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Home Court filings In re: MCP No. 165, Occupational Safety and Health Administration, Interim Final Rule: COVID-19 Vaccination and Testing; Emergency Temporary Standard Emergency Application for Stay — In re MCP No. 165 (OSHA ETS)

Court filing

Emergency Application for Stay — In re MCP No. 165 (OSHA ETS)

Record facts

CourtSupreme Court of the United States (to Justice Kavanaugh, Circuit Justice)
Filed2021-12-17

Supreme Court of the United States (to Justice Kavanaugh, Circuit Justice) · No. 21-7000 · Doc. 386-2 · 2021-12-17 · Docket on CourtListener

Summary

An emergency application for stay filed December 17, 2021 in the Supreme Court of the United States and addressed to Justice Brett M. Kavanaugh as Circuit Justice, in In re: MCP No. 165, No. 21-7000, Doc. 386-2. Job Creators Network, Independent Bakers Association, Lawrence Transportation Company, Guy Chemical Company, Rabine Group of Companies, Pan-O-Gold Baking Company, Terri Mitchell and Waterblasting, LLC ask that the COVID-19 Vaccination and Testing Emergency Temporary Standard, 86 Fed. Reg. 61,402 (Nov. 5, 2021), be stayed pending the Sixth Circuit's disposition of their petition for review. The application argues the applicants are likely to succeed because the standard exceeds the agency's authority under clear-statement and nondelegation doctrines, and that it will cause irreparable injury. It invokes 28 U.S.C. § 1254(1) and 28 U.S.C. § 1651(a).

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Full text

No. A-____ 
_________________________ 
 
IN THE SUPREME COURT OF THE UNITED STATES 
_________________________ 
 
IN RE: MCP NO. 165, OCCUPATIONAL SAFETY AND HEALTH 
ADMINISTRATION, INTERIM FINAL RULE: COVID-19 VACCINATION AND 
TESTING; EMERGENCY TEMPORARY STANDARD 86 FED. REG. 61402. 
 
 
JOB CREATORS NETWORK, INDEPENDENT BAKERS ASSOCIATION, 
LAWRENCE TRANSPORTATION COMPANY, GUY CHEMICAL COMPANY, 
RABINE GROUP OF COMPANIES, PAN-O-GOLD BAKING COMPANY, TERRI 
MITCHELL, WATERBLASTING, LLC, 
 
Applicants,  
v. 
 
OCCUPATIONAL SAFETY & HEALTH ADMINISTRATION, U.S. 
DEPARTMENT OF LABOR, MARTIN J. WALSH, Secretary of Labor, 
DOUGLAS L. PARKER, Assistant Secretary of Labor for Occupational 
Safety and Health Administration,  
 
Respondents. 
_________________________ 
 
 
EMERGENCY APPLICATION FOR STAY OF AGENCY STANDARD 
PENDING THE DISPOSITION BY THE UNITED STATES COURT OF 
APPEALS FOR THE SIXTH CIRCUIT OF A PETITION FOR REVIEW 
AND ANY FURTHER PROCEEDINGS IN THIS COURT 
 
_________________________ 
 
Jonathan Berry 
   Counsel of Record 
BOYDEN GRAY & ASSOCIATES PLLC 
801 17th Street NW, Suite 350 
Washington, DC 20006 
(202) 955-0618  
berry@boydengrayassociates.com  
 
Counsel for Applicants

 
i 
 
TABLE OF CONTENTS 
INTRODUCTION .......................................................................................................... 1 
OPINIONS BELOW ...................................................................................................... 2 
JURISDICTION ............................................................................................................. 2 
STATUTORY PROVISIONS ......................................................................................... 3 
STATEMENT ................................................................................................................. 3 
I. 
COVID and the Mandate............................................................................... 3 
II. 
Applicants ...................................................................................................... 5 
ARGUMENT .................................................................................................................. 9 
I. 
Applicants Are Likely to Succeed on the Merits ........................................ 11 
A. 
Prior Emergency Temporary Standards ............................................... 11 
B. 
OSHA Lacked Authority to Issue the Mandate .................................... 12 
1. 
The Mandate Violates Multiple Clear-Statement Doctrines ..... 12 
2. 
The Mandate Violates the Nondelegation Doctrine ................... 16 
C. 
Even if OSHA Has Authority, an ETS Is Inappropriate ...................... 18 
II. 
Applicants Will Suffer Irreparable Injury in the Absence of a Stay ......... 21 
III. 
The Equities and Public Interest Strongly Favor a Stay ........................... 26 
CONCLUSION ............................................................................................................. 29 
 
Exhibit 1 
In re: MCP No. 165, ___ F. 4th ___ (6th Cir. 2021). 
Exhibit 2 
Exhibit 3 
 
Exhibit 4 
Exhibit 5 
Exhibit 6 
BST Holdings, LLC v. OSHA, 17 F.4th 604 (5th Cir. 2021). 
BST Holdings, LLC v. OSHA, No. 21-60845, 2021 WL 5166656 (5th 
Cir. Nov. 6, 2021). 
Affidavits Submitted to Sixth Circuit. 
Statutory Addendum. 
COVID-19 Vaccination and Testing Emergency Temporary Standard, 
86 Fed. Reg. 61,402 (Nov. 5, 2021). 
 
 

 
ii 
TABLE OF AUTHORITIES 
 
Page(s) 
CASES 
Ala. Ass’n of Realtors v. HHS, 141 S. Ct. 2485 (2021) .............................. 14, 15, 23, 26 
Am. Petroleum Institute v. OSHA, 581 F.2d 493 (5th Cir. 1978)  .............................. 12 
Asbestos Information Ass’n v. OSHA,  
727 F.2d 415 (5th Cir. 1984)  ........................................................  12, 16, 17, 18, 20 
Beniske v. Lamone, 138 S. Ct. 1942 (2018) ................................................................. 27 
BST Holdings, LLC v. OSHA, 17 F.4th 604 (5th Cir. 2021) ...... 2, 5, 16, 19, 20, 21, 22 
Dry Color Mfrs. Ass’n, Inc. v. Dep’t of Labor, 486 F.2d 98 (3d Cir. 1973)  ........... 12, 19 
Edison Elec. Institute v. OSHA, 849 F.2d 611 (D.C. Cir. 1988)  ................................ 11 
Fla. Peach Growers Ass’n v. U.S. Dep’t of Labor,  
489 F.2d 120 (5th Cir. 1974)  ..................................................................... 12, 18, 20 
Gundy v. United States, 139 S. Ct. 2116 (2019)  .................................................. 16, 17 
In re Am. Fed’n of Lab. & Cong. of Indus. Organizations, No. 20-1158, 2020 
WL 3125324, at *1 (D.C. Cir. June 11, 2020) ........................................................ 18 
In re: MCP No. 165, No. 21-7000, ___ F. 4th ___, 2021 WL ______ (6th Cir. 
Dec. 15, 2021)............................................................................................................ 5 
Industrial Union Dep’t, AFL-CIO v. Am. Petroleum Inst., 
 448 U.S. 607 (1980) ....................................................................... 10, 13, 14, 15, 19 
Jacobson v. Massachusetts, 197 U.S. 11 (1905)  ......................................................... 15 
Maryland v. King, 569 U.S. 435 (2009)  ...................................................................... 24 
Nken v. Holder, 556 U.S. 418, (2009)  ..................................................................... 9, 26 
Precision Instrument Mfg. Co. v. Auto Maint. Mach. Co., 324 U.S. 806 (1945) ........ 27 
Taylor Diving Salvage v. U.S. Dept. of Labor, 537 F.2d 819 (5th Cir. 1976)  ........... 12 
Thunder Basin Coal Co. v. Reich, 510 U.S. 200 (1994) .............................................. 22 
Util. Air Regul. Grp. v. EPA, 573 U.S. 302 (2014) ............................................ 9, 13, 14 

 
iii 
Whitman v. Am. Trucking Ass’ns, 531 U.S. 457 (2001)  ............................................. 17 
STATUTES AND REGULATIONS 
28 U.S.C. § 1254 ............................................................................................................. 2 
28 U.S.C. § 1651  ............................................................................................................ 2 
28 U.S.C. § 2112  ............................................................................................................ 5 
29 U.S.C. § 655 ........................................................................................... 11, 14, 17, 20 
29 C.F.R. § 1903.15  ....................................................................................................... 4 
Fed. R. Civ. P. 65(d)(2)  ................................................................................................ 31 
COVID-19 Vaccination and Testing Emergency Temporary Standard, 86 Fed. 
Reg. 61,402 (Nov. 5, 2021)  ............................................ 1, 3, 4, 15, 16, 19, 21, 24, 27 
Occupational Exposure to COVID-19; Emergency Temporary Standard, 86 
Fed. Reg. 32,376-01 (June 21, 2021)  ..................................................................... 18 
OTHER AUTHORITIES 
White House, Remarks by President Biden on Fighting the COVID-19 
Pandemic, Sept. 9, 2021, https://www.whitehouse.gov/briefing-
room/speeches-remarks/2021/09/09/remarks-by-president-biden-on-
fighting-the-covid-19-pandemic-3/ ........................................................................... 3 
Morgan Chalfant, White House: Move Forward with Mandate Despite Court 
Freeze, THE HILL, Nov. 8, 2021, 
https://thehill.com/homenews/administration/580586-whits-house-move-
forward-with-mandate-despite-court-freeze .......................................................... 25  
Morgan Chalfant, White House Tells Businesses to Move Forward with 
Vaccine Mandate, THE HILL, Nov. 18, 2021, 
https://thehill.com/homenews/administration/582232-white-house-tells-
businesses-to-move-forward-with-vaccine-mandate ............................................. 25 
Press Briefing by Press Secretary Jen Psaki, WHITE HOUSE, Nov. 18, 2021, 
https://www.whitehouse.gov/briefing-room/press-
briefings/2021/11/18/press-briefing-by-press-secretary-jen-psaki-
november-18-2021/ ................................................................................................. 25 

 
iv 
Spencer Kimball, Business Groups Ask White House to Delay Biden Covid 
Vaccine Mandate Until After the Holidays, CNBC, 
https://www.cnbc.com/2021/10/25/businesses-ask-white-house-to-delay-
biden-covid-vaccine-mandate-until-after-holidays.html/ ...................................... 28 
 
 
 
 
 

 
1 
 
To the Honorable Brett M. Kavanaugh, Associate Justice of the United States 
and Circuit Justice for the Sixth Circuit: 
In accordance with Supreme Court Rule 22 and 23 and the All Writs Act, 28 
U.S.C. § 1651, applicants Job Creators Network, Independent Bakers Association, 
Lawrence Transportation Company, Guy Chemical Company, Rabine Group of 
Companies, Pan-O-Gold Baking Company, Terri Mitchell, and Waterblasting, LLC 
(“Applicants”) respectfully request an immediate stay of respondent Occupational 
Safety & Health Administration’s emergency temporary standard (“Mandate”), 
COVID-19 Vaccination and Testing Emergency Temporary Standard, 86 Fed. Reg. 
61,402 (Nov. 5, 2021), pending the disposition of Applicants’ petition for review 
currently pending before the United States Court of Appeals for the Sixth Circuit 
and pending any further proceedings in this Court. 
INTRODUCTION 
Applicants represent a collection of small businesses and organizations that 
challenge the Occupational Safety and Health Administration’s issuance of an 
emergency temporary standard (“ETS”) requiring that every company with 100 or 
more employees either forcibly vaccinate its employees, forcibly test them every 
week, or fire them—subject to steep fines for violations.  
Only nine ETSs were issued before 2021, and of the six that were challenged, 
only one fully survived—demonstrating the incredible burden OSHA faces. As 
eleven circuit judges—three in the Fifth Circuit and eight in the Sixth Circuit—
have concluded, Applicants are likely to succeed on the merits of their claims 
because the Mandate violates multiple “clear-statement” rules like the major-

 
2 
questions doctrine, runs perilously close to illegal delegation, and has numerous 
other fatal flaws.  
Applicants also demonstrate irreparable harm because they will permanently 
lose clients and reputation as a result of losing workers who immediately quit and 
join smaller companies rather than be vaccinated or tested weekly. The equities and 
public interest also favor Applicants. The status quo (before the most-recent 
decision below) was that the Mandate has been stayed effectively ab initio. 
Moreover, Applicants provide critical food production, delivery, and supply chain 
services for the country, which will suffer tremendously as the Mandate suddenly 
springs into life. 
OPINIONS BELOW 
The Sixth Circuit’s three-judge panel order (a 2-1 vote with Judge Larsen 
dissenting) dissolving the Fifth Circuit’s stay has not yet been reported. The Fifth 
Circuit’s order granting a stay is reported at BST Holdings, LLC v. OSHA, 17 F.4th 
604 (5th Cir. 2021). The Fifth Circuit’s order granting an administrative stay is 
available at BST Holdings, LLC v. OSHA, No. 21-60845, 2021 WL 5166656 (5th Cir. 
Nov. 6, 2021). The Sixth Circuit’s internal operating procedures apparently do not 
authorize en banc petitions on such matters. See Sixth Circ. I.O.P. 35(g)–(h). 
JURISDICTION 
The Circuit Justice has jurisdiction over this application pursuant to 28 
U.S.C. § 1254(1) and has authority to grant Applicants relief under the All Writs 
Act, 28 U.S.C. § 1651(a). 

 
3 
STATUTORY PROVISIONS 
Pertinent provisions are reprinted in the Statutory Addendum. See Ex. 5. 
STATEMENT 
I. 
The Mandate and Proceedings Below. 
COVID has presented enormous challenges to all Americans. But after 
tremendous sacrifices, the nation has turned the page. Despite this, on September 
9, 2021, President Biden decided that there is such an urgent, new emergency in 
the form of COVID transmission in the workplace that he ordered OSHA to issue an 
ETS mandating that nearly every company in the country with 100 or more 
employees either forcibly vaccinate its employees, forcibly test them every week, or 
fire them. White House, Remarks by President Biden on Fighting the COVID-19 
Pandemic, Sept. 9, 2021, https://www.whitehouse.gov/briefing-room/speeches-
remarks/2021/09/09/remarks-by-president-biden-on-fighting-the-covid-19-pandemic-
3/.  This mandate would “affect about 100 million Americans,” or “two thirds of all 
workers.” Id. 
 
After a substantial delay, OSHA finally issued the Mandate in accordance 
with President Biden’s command. COVID-19 Vaccination and Testing Emergency 
Temporary Standard, 86 Fed. Reg. 61,402, 61,549–61,550 (Nov. 5, 2021) (Ex. 6). It 
became binding on November 5, 2021. See 29 U.S.C. § 655(c). 
The Mandate requires all employers of 100 or more employees to “develop, 
implement, and enforce a mandatory COVID-19 vaccination policy” and requires 
any workers who remain unvaccinated to “undergo [weekly] COVID-19 testing and 
wear a face covering at work in lieu of vaccination.” 86 Fed. Reg. at 61,402. It will 

 
4 
apply to roughly 80 million workers, of whom OSHA estimated 32 million were not 
currently vaccinated, 22 million of whom OSHA expects will get vaccinated against 
their wishes because of the Mandate. Id. at 61,435, 61,472.  
Under the emergency rule, the employer must verify “the vaccination status 
of each employee,” “maintain a record of each employee’s vaccination status,” and 
“preserve acceptable proof of vaccination.” Id. at 61,552. For employees who opt not 
to get vaccinated, the employer must require a test every seven days, one that 
neither the Federal Government nor the employer must pay for and one that the 
employees may not take without the supervision of an authorized person. Id. at 
61,530, 61,532, 61,551, 61,553. Unvaccinated employees who do not comply must be 
“removed from the workplace.” Id. at 61,532. Unvaccinated employees must wear 
masks at work with few exceptions. Id. at 61,553. The testing and masking 
requirements do not apply to vaccinated employees. Id. Employers who violate the 
Act face penalties imposed by OSHA: up to $13,653 for each violation and up to 
$136,532 for each willful violation. 29 C.F.R. § 1903.15(d). 
Although the Mandate ostensibly goes into full effect on January 4, 2022, 
OSHA “strongly encourages employers to implement the required measures to 
support employee vaccination as soon as practicable.” Id. at 61,549–61,550 
(emphasis added). The Mandate says it is “critical[ly] importan[t]” to “implement[] 
the requirements in this ETS, including the recordkeeping and reporting provisions, 
as soon as possible,” id. at 61,505, and “it is essential that remediation efforts at a 
workplace be undertaken immediately,” id. at 61,545. 

 
5 
On November 4, 2021, Applicants filed suit in the Eighth Circuit and sought 
a stay of the Mandate, attaching affidavits demonstrating the imminent and 
irreparable harm that would befall them if the Mandate were not stayed. See Job 
Creators Network v. U.S. Dep’t of Labor, No. 21-3491 (8th Cir.). During this time, in 
a response to petitions filed in the Fifth Circuit, that court issued an administrative 
stay and then a stay pending review of the Mandate. BST Holdings, LLC v. OSHA, 
17 F.4th 604 (5th Cir. 2021) (Ex. 2).  
All of these cases (as well as ones in other circuits) were later transferred to 
the Sixth Circuit pursuant to the lottery process in 28 U.S.C. § 2112. 
Applicants were among those who sought initial en banc hearing, which the 
Sixth Circuit denied in an evenly divided vote, with Chief Judge Sutton writing a 
lengthy dissent (joined by seven other judges) explaining not only why the court 
should hear the matter en banc but also why the Mandate is illegal. In re: MCP No. 
165, No. 21-7000, ___ F. 4th ___, 2021 WL 5914024 (6th Cir. Dec. 15, 2021). The 
government also sought to dissolve the Fifth Circuit’s stay, and a three-judge panel 
of the Sixth Circuit granted the government’s motion by a 2-1 vote, with Judge 
Larsen dissenting. Ex. 1. The Sixth Circuit’s internal operating procedures 
apparently do not authorize en banc petitions challenging rulings on motions for 
stays of agency rules. See Sixth Circ. I.O.P. 35(g)–(h). 
II. 
Applicants 
Job Creators Network is a nonpartisan membership organization whose 
mission is to educate employees of Main Street America and protect the 85 million 

 
6 
people who depend on the success of small businesses. Affidavit of Alfredo Ortiz, Ex. 
4, ¶¶ 2–5.1 Its members will suffer tremendous harm from the Mandate. See id., 
¶¶ 6–11. 
Independent Bakers Association is national trade association of over 200 
family-owned wholesale bakeries and allied industry trades. Affidavit of Nicholas 
Pyle, Ex. 4, ¶¶ 2–4. IBA’s affidavit explains in detail how its members were deemed 
“essential” during lockdowns because of their critical role in feeding the country—
but these members are facing dramatic worker shortages already, and the Mandate 
is expected to cause 20–30% of employees to leave, which will severely “disrupt 
retail trade patterns, exacerbate fast food supply chain issues and increase the food 
insecurity for the nation's most nutritionally at risk.” Id., ¶¶ 5–10. IBA has 
standing through its members, one of which has submitted an affidavit explaining 
how the Mandate will drastically worsen an already-critical worker shortage for 
every link in its production and supply chain, leading to severe reputational and 
public harms, including the communities supported by the company’s wages. 
Affidavit of Mike McKee, Ex. 4, ¶¶ 10–13. 
Lawrence Transportation Company is a refrigerated truckload carrier in 
Rochester, Minnesota, with over 100 employees and thus subject to the Mandate. 
Affidavit of Eric Lawrence, Ex. 4, ¶¶ 2–3. The company was deemed “essential” 
during the COVID lockdowns, id., ¶ 9, and has encouraged its employees to get 
vaccinated, id., ¶ 2. The Mandate will cause irreparable harm because Lawrence 
 
1 All affidavits cited herein were presented to the Sixth Circuit below. See ECF No. 98 (6th Cir. Nov. 
23, 2021). 

 
7 
Transportation is already facing a severe truck driver shortage. Id., ¶ 4. These 
drivers and the mechanics who repair the trucks require specialized licenses and 
training. Id. Because of this, Lawrence Transportation “simply cannot hire more 
employees and have them start quickly.” Id.  
Approximately 10–15% of Lawrence Transportation’s workforce “would 
rather walk off the job than be forced to get a vaccine or undergo weekly testing,” 
and there is an incentive to do this sooner rather than later. Id., ¶ 5. These workers 
“cannot be replaced at any point in the near future” and would have a “devastating” 
effect on the company. Id., ¶¶ 6–7. Deliveries will be “delayed or canceled, resulting 
in severe financial and reputational damages for the Company, as well as a likely 
ripple effect of losing business to smaller trucking companies.” Id., ¶ 7.  
The Company “would likely have to save costs by laying off non-drivers like 
office employees,” who “are almost all vaccinated.” Id. This means “the mandate 
would result in vaccinated people losing their jobs.” Id. (emphasis added). The 
Mandate also imposes irreparable logistical harms, as drivers are on the road “for 7 
to 10 days at a time, making it nearly impossible to get tested weekly.” Id., ¶ 10. 
The Mandate is designed to “force[] those drivers either to get vaccinated, or quit.” 
Id. 
The general public would also suffer because Lawrence Transportation 
delivers groceries that must be refrigerated. Id., ¶ 9. “[T]hose deliveries will not be 
made, and people will not be able to get food deliveries to their grocery stores.” Id.  

 
8 
Guy Chemical Company LLC is a manufacturer in Somerset County, 
Pennsylvania, with over 160 employees, and thus is subject to the Mandate. 
Affidavit of Guy Berkebile, Ex. 4, ¶¶ 1–4. Guy Chemical was deemed “essential” 
during the pandemic lockdowns, due to its work producing materials for household 
and construction products. Id., ¶ 9. Guy Chemical is already facing an intense 
worker shortage, and its employees typically must have extensive training 
(required, ironically, by OSHA) and specialized knowledge that cannot be learned 
quickly, and—critically—a majority of employees at the Company would refuse to 
comply with the Mandate because Guy Chemical has attracted workers who have 
left other companies with onerous vaccine and masking requirements. Id., ¶¶ 6–7. If 
even 25% of Guy Chemical’s workers refuse to show up, the Company would be 
unable to complete orders, resulting not only in lost business but also reputational 
damages. Id., ¶ 8. The Mandate also imposes irreparable harm in the form of 
logistics: the onerous testing requirements will have the effect of forcing companies 
to abandon testing and mandate the vaccine—“[t]here is no practical choice.” Id., ¶ 
10.  
The Rabine Group of Companies have over 300 employees, including over 
100 just at Pipe View L.L.C. These companies perform critical infrastructure 
repairs for damaged roofs, roads, HVAC systems, and commercial doors and docks, 
as well as snow removal—and, like the other Applicants, are already suffering from 
severe worker shortages even without the estimated 20% of workers who will leave 
because of the Mandate. Affidavit of Gary Rabine, Ex. 4, ¶¶ 2–6. These projects 

 
9 
must be done immediately or customers may face legal liability and physical 
dangers, but the Mandate will prevent the Group’s companies from meeting 
timeliness obligations, causing tremendous public harm, as well as critical business 
and reputational damages. Id., ¶¶ 7–11. 
As Job Creators Network CEO Alfredo Ortiz states, these companies 
represent only “the tip of the iceberg.” Ortiz Affidavit, Ex. 4, ¶ 11. Thousands of 
other companies are in the same situation.  
Terri Mitchell is the Administrations Manager at Guy Chemical and is 
determined not to receive the vaccine because she previously had the coronavirus 
and has the confirmed presence of SARS-COV-2 antibodies. Affidavit of Terri 
Mitchell, Ex. 4, ¶¶ 2, 4–5. She also refuses to subject herself to the physical harms 
and indignity of involuntary weekly testing. Id., ¶ 5. She would rather lose her 
position than comply with the Mandate, and—as a result of her role at the 
company—knows that “a majority of employees at Guy Chemical feel the same 
way.” Id., ¶ 6. 
ARGUMENT 
The traditional stay factors all support granting relief to Applicants. See 
Nken v. Holder, 556 U.S. 418, 426–27 (2009). 
Applicants are likely to prevail on the merits for several reasons. First, the 
Mandate violates multiple “clear-statement” doctrines, most notably the major-
questions doctrine, which states that Congress must “speak clearly if it wishes to 
assign to an agency decisions of vast economic and political significance.” Util. Air 
Regul. Grp. v. EPA, 573 U.S. 302, 324 (2014). But there is not the slightest hint that 

 
10 
Congress gave OSHA the power to issue emergency orders covering 84 million 
Americans and resulting in compelled vaccination of over 22 million of them. 
This Court has previously warned OSHA about issuing such edicts: “In the 
absence of a clear mandate in the [OSH] Act, it is unreasonable to assume that 
Congress intended to give the Secretary the unprecedented power over American 
industry that would result from the Government’s view.” Industrial Union Dep’t, 
AFL-CIO v. Am. Petroleum Inst., 448 U.S. 607, 645, 651 (1980) (plurality). The 
Court even warned OSHA against abusing ETSs just like the Mandate: “Congress 
repeatedly expressed its concern about allowing the Secretary to have too much 
power over American industry,” and thus Congress “narrowly circumscribed the 
Secretary’s power to issue temporary emergency standards.” Id. (emphasis added). 
Shockingly, the majority opinion below fails to address these holdings. 
Second, the Mandate violates the nondelegation doctrine, which prohibits 
Congress from transferring legislative powers carte blanche to an executive agency.  
Third, even if OSHA did have the power to issue the Mandate, there is no 
unforeseen emergency necessitating a one-size-fits-all ETS, especially when the 
Mandate will severely disrupt essential services and—in a cruel twist—result in 
companies laying off vaccinated workers to stay solvent. 
Applicants have also demonstrated irreparable injury and favorable equities. 
Applicants are small businesses deemed “essential” during lockdowns and have 
struggled to survive the last two years. As the attached detailed affidavits make 
clear, these companies face the distinct prospect that a substantial number of 

 
11 
employees—a majority in some cases—will walk off the job rather than comply with 
the Mandate. Critically, they have every incentive to do this immediately rather 
than wait for the Mandate’s deadlines to kick in. This will trigger a cascade of 
irreparable injuries as companies are unable to satisfy work orders, leading to lost 
clients, damaged reputation, and the threat of shutting their doors. After over a 
month of dormancy, the Mandate was suddenly sprung back into life by the Sixth 
Circuit, greatly upending the status quo and threatening imminent chaos. 
The public will suffer tremendously, too. Applicants provide critical supply-
chain services like food production, grocery store food deliveries, and emergency 
repairs for buildings and roads. By forcing those companies to operate without a 
sizable part of their workforce, the Mandate will cause immediate shortages at 
grocery stores, shortages of household and commercial goods, and languishing 
critical infrastructure failures. 
I. 
Applicants Are Likely to Succeed on the Merits. 
A. 
Prior Emergency Temporary Standards 
The Occupational and Health Safety Act of 1970 (“OSH Act”) provides the 
Secretary of Labor the incredible power to issue ETSs that are immediately 
effective upon publication in the Federal Register, without having to comply with 
any of the requirements of the Administrative Procedure Act. 29 U.S.C. § 655(c). 
The Secretary must determine, inter alia, that the covered “employees are exposed 
to grave danger from exposure to substances or agents determined to be toxic or 
physically harmful or from new hazards.” Id. The Secretary has delegated this 

 
12 
authority to the Assistant Secretary for Occupational Safety and Health. Edison 
Elec. Institute v. OSHA, 849 F.2d 611, 614 (D.C. Cir. 1988). 
This is an “extraordinary power,” Fla. Peach Growers Ass’n v. U.S. Dep’t of 
Labor, 489 F.2d 120, 129 (5th Cir. 1974), and represents “OSHA’s most dramatic 
weapon in its enforcement arsenal.” Asbestos Information Ass’n v. OSHA, 727 F.2d 
415, 426 (5th Cir. 1984). This weapon must be “delicately exercised, and only in 
those emergency situations which require it.” Peach Growers, 489 F.2d at 129–30. 
Before 2021, OSHA had issued fewer than 10 ETSs. Of the six that were 
challenged, five (83.3%) were fully or partially vacated or stayed, Asbestos, 727 F.2d 
at 426; Am. Petroleum Institute v. OSHA, 581 F.2d 493, 503 (5th Cir. 1978), aff’d, 
448 U.S. 607 (1980); Taylor Diving Salvage v. U.S. Dept. of Labor, 537 F.2d 819, 821 
(5th Cir. 1976); Peach Growers, 489 F.2d at 129; Dry Color Mfrs. Ass’n, Inc. v. Dep’t 
of Labor, 486 F.2d 98 (3d Cir. 1973). 
This 
lousy 
batting 
average—even when defending 
limited 
ETSs—
demonstrates the extraordinarily high burden OSHA must satisfy. As demonstrated 
next, the Mandate does not survive this scrutiny. 
B. 
OSHA Lacked Authority to Issue the Mandate. 
Applicants are likely to succeed on the merits of their challenge to the 
Mandate for several reasons. 
1. 
The 
Mandate 
Violates 
Multiple 
Clear-Statement 
Doctrines. 
The Mandate represents an unprecedented assertion of power by OSHA, 
regulating far more than any prior ETS in OSHA’s 50 years: 84 million Americans 

 
13 
(32 million currently unvaccinated), in every industry, representing almost 2/3 of all 
workers across the entire country. Its dictates are also unprecedented: OSHA is 
press-ganging private companies into being vaccination police who forcibly inject or 
test their employees—or fire them. For the first time in history, OSHA seeks to 
regulate the citizenry itself. 
Under the major-questions doctrine, “[w]hen an agency claims to discover in 
a long-extant statute an unheralded power to regulate a significant portion of the 
American economy, we typically greet its announcement with a measure of 
skepticism.” Util. Air Regul. Grp. v. E.P.A., 573 U.S. 302, 324 (2014). “We expect 
Congress to speak clearly if it wishes to assign to an agency decisions of vast 
economic and political significance.” Id.  
The Mandate fails this doctrine because there is no “clear statement” in 
§ 655(c) giving OSHA such sweeping powers over the nation’s economy, nor to 
mandate vaccination or intrusive weekly testing for 32 million people, nor to expand 
its purview beyond the workplace. 
Only once before has OSHA attempted anything close to the Mandate—and 
this Court rejected it and forewarned OSHA from trying again. In the famous 
“benzene case,” OSHA had issued a permanent standard pursuant to § 655, 
governing low levels of benzene, under such a broad theory of workplace harm that 
OSHA could effectively regulate substantial portions of the nation’s industry. 
Industrial Union Dep’t, AFL-CIO v. Am. Petroleum Inst., 448 U.S. 607, 623 (1980) 
(“API”). The Court rejected OSHA’s power grab: “In the absence of a clear mandate 

 
14 
in the [OSH] Act, it is unreasonable to assume that Congress intended to give the 
Secretary the unprecedented power over American industry that would result from 
the Government’s view” of § 655.” Id. at 645 (plurality).  The government’s 
argument “would in turn justify pervasive regulation limited only by the constraint 
of feasibility.” Id. The Court also criticized OSHA for “apply[ing] the same limit to 
all [industries], largely as a matter of administrative convenience.” Id. at 650. 
Significantly, the Court made these statements in the context of a permanent 
standard while noting that OSHA’s ETS authority is even more “narrowly 
circumscribed.” Id. at 651. The Court warned OSHA against abusing ETSs: 
“Congress repeatedly expressed its concern about allowing the Secretary to have too 
much power over American industry,” and thus Congress “narrowly circumscribed 
the Secretary’s power to issue temporary emergency standards.” Id. (emphasis 
added). But the Mandate thumbs its nose at this precedent. And, shockingly, the 
majority opinion below fails to address these holdings. 
Nor can OSHA claim that COVID provides cause to ignore API. The Court 
recently relied on the major-questions doctrine in holding that the CDC’s eviction 
moratorium was illegal. Ala. Ass’n of Realtors v. HHS, 141 S. Ct. 2485, 2489 (2021). 
The moratorium applied to “[a]t least 80% of the country, including between 6 and 
17 million tenants at risk of eviction.” Id. Those figures pale in comparison to the 
Mandate, which applies to 100% of the country’s geographic scope and over 84 
million individuals (forcing vaccination or testing on 32 million of them). 

 
15 
In the Sixth Circuit, the government acknowledged that the Mandate causes 
vast economic and political consequences, but claimed that the major-questions 
doctrine does not apply at all because the text of 29 U.S.C. § 655(c) “unambiguously” 
authorizes such seismic agency actions. It is quite a stretch to claim that Congress 
unambiguously gave OSHA the power to impose requirements of incalculable 
economic and political consequences:  
x Imposing vaccine-or-testing requirements for 84 million Americans. 
See 86 Fed. Reg. at 61,471. 
x Requiring forcible vaccination or testing of over 31 million of those 
Americans, 22.7 million of whom will be vaccinated against their 
wishes. Id. at 61,471–61,472. 
x Imposing these requirements on every single industry in the country, 
amounting to over 264,000 businesses. Id. at 61,475. 
x Imposing direct compliance costs of nearly $3 billion, not even counting 
the economic fall-out, which will be incalculable. Id. at 61,493. 
But, again, there is no need to speculate on whether OSHA has this power. 
This Court rejected OSHA’s position 40 years ago. See API, 448 U.S. at 645, 650–51 
(plurality). The Sixth Circuit lacked the power to disregard this Court’s holding. 
Because there is no clear Congressional authorization, the Mandate fails the 
major-questions doctrine and violates API. 
This Court has similarly held that it expects Congress to use “exceedingly 
clear language if it wishes to significantly alter the balance between federal and 

 
16 
state power.” Ala. Ass’n, 141 S. Ct. at 2489. But implementing widespread general 
health programs is traditionally a matter for the States. See Jacobson v. 
Massachusetts, 197 U.S. 11, 38 (1905) (“The safety and the health of the people of [a 
State] are, in the first instance, for that [State] to guard and protect” and “are 
matters that do not ordinarily concern the national government.”); BST Holdings, 
17 F.4th at 617. As noted above, there is no clear authority in the OSH Act for the 
Mandate, and thus it fails for this additional reason. 
2. 
The Mandate Violates the Nondelegation Doctrine. 
If OSHA truly does have such broad statutory authority to issue the 
Mandate, then § 655 violates the nondelegation doctrine. “[B]y directing that 
legislating be done only by elected representatives in a public process, the 
Constitution sought to ensure that the lines of accountability would be clear: The 
sovereign people would know, without ambiguity, whom to hold accountable for the 
laws they would have to follow.” Gundy v. United States, 139 S. Ct. 2116, 2134 
(2019) (Gorsuch, J., dissenting, joined by Roberts, C.J., and Thomas, J.). Thus, 
Congress may not “delegate ... powers which are strictly and exclusively legislative.” 
Wayman v. Southard, 10 Wheat. 1, 42–43 (1825). This requirement—known as the 
nondelegation doctrine—is a central component of separation of powers.  
The original understanding of the Constitution prohibited any transfer of 
Congress’s vested legislative powers to any other entity. Gundy, 139 S. Ct. at 2135–
37 (Gorsuch, J., dissenting). Congress must “make[] the policy decisions when 
regulating private conduct.” Id. OSHA’s interpretation of § 655(c) violates this 
original understanding. Under OSHA’s view, “what constitutes a risk worthy of 

 
17 
Agency action is a policy consideration”—an “essentially legislative task.” Asbestos, 
727 F.2d at 421, 425; 86 Fed. Reg. at 61,405 (“determinations are ‘essentially 
legislative’”). But policymaking is the role of Congress, and it “would frustrate ‘the 
system of government ordained by the Constitution’ if Congress could merely 
announce vague aspirations and then assign others the responsibility of adopting 
legislation to realize its goals.” Gundy, 139 S. Ct. at 2133 (Gorsuch, J., dissenting). 
Indeed, OSHA’s interpretation of § 655 would run afoul even of the more-
lenient modern interpretations of the nondelegation doctrine. Gundy, 139 S. Ct. at 
2139 (Gorsuch, J., dissenting). Under OSHA’s view, “the degree of agency 
discretion” and “the scope of the power congressionally conferred” are practically 
limitless. Whitman v. Am. Trucking Ass’ns, 531 U.S. 457, 475 (2001).  
OSHA cannot claim surprise, as API held that if OSHA were correct that 
§ 655 permits regulation of the national economy, then “the statute would make 
such a sweeping delegation of legislative power that it might be unconstitutional 
under the Court’s reasoning in” its nondelegation cases. 448 U.S. at 646 (plurality). 
The Court chose to apply a constitutional-avoidance canon to reject a broad 
interpretation of OSHA’s power. Id.  
The Court here should follow the same path, but if the Court nonetheless 
adopts OSHA’s view, the Court should conclude that § 655 violates the 
nondelegation doctrine.  

 
18 
C. 
Even if OSHA Has Authority, an ETS Is Inappropriate. 
OSHA has also failed to satisfy the statutory requirements for imposing an 
ETS. The Court must “take a ‘harder look’ at OSHA’s action” because it was not 
subject to the APA. Asbestos, 727 F.2d at 421. 
No Necessity. OSHA can invoke its extraordinary ETS powers only upon a 
finding that an urgent emergency has arisen such that the agency simply cannot 
wait for the normal notice-and-comment process to occur. 29 U.S.C. § 655(c). That 
is, OSHA must “prove[] that the ETS, OSHA’s most dramatic weapon in its 
enforcement arsenal, is ‘necessary’ to achieve the projected benefits.” Asbestos, 727 
F.2d at 426 (emphasis added).  
“[T]he Agency’s failure to act may be evidence that a situation is not a true 
emergency.” Asbestos, 727 F.2d at 423; see Peach Growers, 489 F.2d at 131 (the 
alleged grave concern “has been going on during the last several years thus failing 
to qualify for emergency measures”). But it is common knowledge that the COVID 
pandemic has been ongoing since early 2020, and vaccines have been widely 
available for almost all of 2021. OSHA provides no persuasive justification for why 
there is suddenly such an emergency now when so many Americans have already 
gotten vaccinated. 
Notably, OSHA refused to issue an ETS in 2020 because “employers are 
maintaining hazard-free work environments.” In re Am. Fed’n of Lab. & Cong. of 
Indus. Organizations, No. 20-1158, 2020 WL 3125324, at *1 (D.C. Cir. June 11, 
2020). That was during the height of the pandemic and is especially telling because 
OSHA claims it is mandated to issue an ETS when conditions warrant. 

 
19 
Occupational Exposure to COVID-19; Emergency Temporary Standard, 86 Fed. Reg. 
32,376-01, 32,380 (June 21, 2021) (claiming § 655(c) “is not discretionary”). 
To be sure, an agency can change its mind. But COVID vaccines have been 
around for nearly a year, and no explanation was offered for why OSHA issued the 
Mandate only now, especially when vaccination rates are even better than before. In 
the Sixth Circuit, the government explained away its refusal to issue an ETS in 
June 2020 on the basis that there were no vaccines then. But the availability of 
vaccines now makes it less necessary—not more—to impose something as drastic as 
the Mandate.  
In API, the Court criticized OSHA for “decid[ing] to apply the same limit to 
all [industries], largely as a matter of administrative convenience.” API, 448 U.S. at 
650 (plurality). “[I]t is expected that even an emergency temporary standard not 
overlook those obvious distinctions among … uses and plant practices that make 
certain regulations that are appropriate in one category of cases entirely 
unnecessary in another.” Dry Color, 486 F.2d at 105. The Fifth Circuit correctly 
held that the Mandate is not “necessary” because a one-size-fits-all rule is 
inappropriate. BST Holdings, 17 F.4th at 615–16. The government argued below 
that ETSs need not make “employer-by-employer or employee-by-employee” 
distinctions. But an ETS must at least make sensible industry-by-industry 
distinctions, and that was not even attempted here. Dry Color, 486 F.2d at 105. 
In an attempt to show some degree of tailoring, the government pointed 
below to exceptions for employees who work exclusively alone or outside. But these 

 
20 
are trivial, especially compared to the 84 million Americans who will nonetheless be 
covered. For example, the Mandate estimates that only 9% of landscaping and 
groundkeepers will qualify as working exclusively outdoors—and that is the highest 
percentage of any occupation. 86 Fed. Reg. at 61,461. If only 9% of landscapers are 
deemed to work outside, the entire exception is a fig leaf designed only to provide 
the false sense of tailoring. 
Further, “an ETS must, on balance, produce a benefit the costs of which are 
not unreasonable. The protection afforded to workers should outweigh the economic 
consequences to the regulated industry,” Asbestos, 727 F.2d at 423–24, “without 
eliminating the [relevant] enterprise and the associated jobs,” Peach Growers, 489 
F.2d at 130. But the Mandate will have precisely that effect and, ironically, will 
encourage employees to switch to employers who are not covered by the Mandate—
causing severe economic disruption in the meantime. Pyle Affidavit, Ex. 4, ¶ 8; 
Lawrence Affidavit, Ex. 4, ¶ 5; Berkebile Affidavit, Ex. 4, ¶¶ 7–8. As one Applicant 
notes, the Mandate will actually force him to lay off vaccinated workers to save 
costs. Lawrence Affidavit, Ex. 4, ¶ 7.2 
No Grave Danger Demonstrated from Workplace Transmission. OSHA 
must also demonstrate that the Mandate addresses a “grave” danger. 29 U.S.C. 
§ 655(c). The Fifth Circuit aptly concluded that no grave danger would be prevented 
by the Mandate. BST Holdings, 17 F.4th at 613–14. The question is not whether 
 
2 Moreover, side effects from vaccines are a critical cost of the Mandate—but OSHA has deliberately 
blinded itself to any calculation of these costs by saying it “will not enforce 29 CFR 1904’s recording 
requirements to require any employers to record worker side effects from COVID-19 vaccination.” 
OSHA, FAQ, https://www.osha.gov/coronavirus/faqs#vaccine. 

 
21 
COVID generally presents a grave danger, but whether the lack of a vaccine 
mandate and weekly testing for the next few months presents a grave danger to 
nearly every workplace in the entire nation such that OSHA was not required to go 
through notice-and-comment rulemaking. Asbestos, 727 F.2d at 427. In other words, 
OSHA “cannot use its ETS powers as a stop-gap measure” to avoid notice-and-
comment. BST Holdings, 17 F.4th at 616. 
OSHA’s prior actions declining to issue an ETS, as well as the lack of 
tailoring discussed above confirm no such grave danger. Point in case: employees 
with natural immunity from prior COVID infections are included in the Mandate, 
but OSHA failed to conclude that such workers actually face a grave danger. 
Rather, OSHA stated that it “is unable to establish that such immunity eliminates 
grave danger.” 64 Fed. Reg. at 61,422. Through double negatives, OSHA is saying a 
lack of evidence showing grave danger is somehow now enough to announce that a 
grave danger exists. This alone warrants finding a lack of substantial evidence. See 
BST Holdings, 17 F.4th at 615. 
II. 
Applicants Will Suffer Irreparable Injury in the Absence of a Stay. 
Absent a stay, companies will immediately have to start the groundwork for 
complying, such that they are in full compliance before the vaccine deadline hits in 
early January. The Mandate expressly recognizes this fact: to “reduce burdens on 
both employers and employees when the compliance dates for the additional 
requirements for employees who are not fully vaccinated arrive,” OSHA “strongly 
encourages employers to implement the required measures to support employee 

 
22 
vaccination as soon as practicable” after issuance of the Mandate. 86 Fed. Reg. at 
61,549–61,550 (emphasis added). Elsewhere, the Mandate says it is “critical[ly] 
importan[t]” to “implement[] the requirements in this ETS, including the 
recordkeeping and reporting provisions, as soon as possible,” id. at 61,505, and “it is 
essential that remediation efforts at a workplace be undertaken immediately,” id. at 
61,545.  
Having to comply with these requirements will undoubtedly yield irreparable 
harm. “[C]omplying with a regulation later held invalid almost always produces the 
irreparable harm of nonrecoverable compliance costs.” Thunder Basin Coal Co. v. 
Reich, 510 U.S. 200, 220–21 (1994) (Scalia, J., concurring). That alone is sufficient 
here. OSHA itself estimated there will be $2.98 billion in compliance costs over six 
months. 86 Fed. Reg. at 61,493. Even if that amount were evenly spread over the 
six-month life of the ETS, it would mean $16.5 million every single day. But the 
costs are not evenly spread. They are overwhelmingly frontloaded (and thus 
imminent) because companies will have to create all these programs and deal with 
lost time for any employees who get vaccinated before the deadlines hit.  
As the Fifth Circuit found, employees are facing imminent, irreparable harm 
because the Vaccine Mandate forces “reluctant individual recipients … to a choice 
between their job(s) and their jab(s)”; and companies are facing imminent, 
irreparable harm in the form of “business and financial effects of a lost or 
suspended employee, compliance and monitoring costs associated with the Mandate, 
the diversion of resources necessitated by the Mandate, or by OSHA’s plan to 

 
23 
impose stiff financial penalties on companies that refuse to punish or test unwilling 
employees.” BST Holdings, 17 F.4th at 618. 
Those findings are amply supported by the record in this case.  Applicants 
are already facing intense labor shortages, and they often require many employees 
with specialized licenses or training, leading to an extremely small pool of potential 
hires, plus on-boarding processes that prevent new hires from quickly ramping up. 
McKee Affidavit, Ex. 4, ¶ 7; Lawrence Affidavit, Ex. 4, ¶ 4; Berkebile Affidavit, Ex. 
4, ¶ 6; Rabine Affidavit, Ex. 4, ¶¶ 4–5. But sizable portions of their workforce—
sometimes a majority—have indicated that they will not comply with the Mandate, 
and to maximize the odds of finding a job at a company not covered by the Mandate, 
there is a strong incentive for them to leave soon, regardless of when OSHA will 
actually start enforcing the Mandate, and changing jobs is especially easy given the 
low unemployment rate. Berkebile Affidavit, Ex. 4, ¶ 7; Lawrence Affidavit, Ex. 4, ¶ 
5.  
Because of the difficulty in finding replacement workers, these companies 
will be drastically short in workers, meaning cascading lost business with no hope 
of recovery. Ala. Ass’n, 141 S. Ct. at 2489. These delayed and canceled shipments 
and services will sour customer relationships, leading to lost business and 
reputational harm. Pyle Affidavit, Ex. 4, ¶ 7; Lawrence Affidavit, Ex. 4, ¶¶ 7–8; 
Berkebile Affidavit, Ex. 4, ¶ 8; Rabine Affidavit, Ex. 4, ¶ 8. To stay afloat, 
companies will have to make drastic employment cuts, including of vaccinated 
workers. See, e.g., Lawrence Affidavit, Ex. 4, ¶ 7. 

 
24 
The Mandate’s onerous logistical requirements for testing will likewise cause 
irreparable harm by effectively “forc[ing] [workers] either to get vaccinated, or quit.” 
Id., ¶ 10. Companies often lack the manpower to carry out mass testing—meaning 
workers must leave the premises to get tested, causing additional lost productivity. 
Berkebile Affidavit, Ex. 4, ¶ 10. The testing regime is undoubtedly designed to be so 
burdensome that it presents no real option for the vast majority of companies. 
For the individual Applicant Terri Mitchell, a compelled vaccination 
represents an irreparable harm because it cannot be undone, and involuntary nasal 
or throat testing—by edict of the President—is a breach of personal autonomy. As 
Justice Scalia said: “I doubt that the proud men who wrote the charter of our 
liberties would have been so eager to open their mouths for royal inspection.” 
Maryland v. King, 569 U.S. 435, 482 (2013) (Scalia, J., dissenting). 
Incredibly, OSHA never even bothered to calculate the irreparable damage 
that will occur from employees leaving businesses because of the impending 
Mandate deadlines, and the resulting cascading destruction of an already-stressed 
supply chain. Those figures would dwarf the $3 billion in compliance costs.  
The government argued below that only a small percentage of employees in 
the past actually quit rather than be vaccinated. But those people were the early 
adopters. At this point, if someone has not gotten vaccinated, he is unlikely to be 
persuadable—and he means it when he says he will switch jobs rather than comply. 
Indeed, the entire premise of the Mandate is that the remaining unvaccinated 
people cannot be persuaded by the measures used in the past: “OSHA has found 

 
25 
that neither reliance on voluntary action by employers nor OSHA non-mandatory 
guidance is an adequate substitute for specific, mandatory workplace standards at 
the federal level.” 86 Fed. Reg. at 61,445. 
Nor can the government claim that companies have not yet started incurring 
costs, perhaps because company owners saw that the Fifth Circuit maintained a 
stay since November 6, 2021. The White House has repeatedly told businesses to 
move forward despite the Fifth Circuit’s rulings, as conveyed by prominent press 
reports: 
x Morgan Chalfant, White House: Move Forward with Mandate Despite 
Court 
Freeze, 
THE 
HILL, 
Nov. 
8, 
2021, 
https://thehill.com/homenews/administration/580586-whits-house-
move-forward-with-mandate-despite-court-freeze.  
x Morgan Chalfant, White House Tells Businesses to Move Forward with 
Vaccine 
Mandate, 
THE 
HILL, 
Nov. 
18, 
2021, 
https://thehill.com/homenews/administration/582232-white-house-tells-
businesses-to-move-forward-with-vaccine-mandate. 
Far from consisting of the usual puffery about their belief in ultimately 
prevailing, these White House statements stepped perilously close to the line of 
encouraging contempt of the Fifth Circuit’s order. On November 18, White House 
Press Secretary Jen Psaki stated during a press conference that the government 
still expects businesses to take action in advance of the now-stayed Mandate’s 
January 4 deadline and that the government still views that deadline as the key 

 
26 
date for compliance. See Press Briefing by Press Secretary Jen Psaki, WHITE HOUSE, 
Nov. 
18, 
2021, 
https://www.whitehouse.gov/briefing-room/press-
briefings/2021/11/18/press-briefing-by-press-secretary-jen-psaki-november-18-2021/ 
(agreeing that the White House is “still working off of that January 4th compliance 
deadline” and “still heading towards the same timeline,” and therefore businesses 
are “urg[ed]” “to move forward with the President’s vaccine and weekly testing 
rule”). 
The government seeks to have it both ways: they tell the courts that there are 
no immediate costs, then they tell the public to start complying now if they know 
what is good for them. 
An immediate stay is both necessary and appropriate, given the imminent 
and irreparable harms imposed by the Mandate. The Fifth Circuit correctly 
recognized this. This Court should grant this Application.  
III. 
The Equities and Public Interest Strongly Favor a Stay. 
The equities and public interest likewise favor a stay. Nken, 556 U.S. at 435. 
It “is indisputable that the public has a strong interest in combating the 
spread of the COVID–19 Delta variant. But our system does not permit agencies to 
act unlawfully even in pursuit of desirable ends.”  Ala. Ass’n, 141 S. Ct. at 2490. 
That ends the matter: OSHA has no equitable interest in enforcement of an invalid 
ETS.  
Moreover, there is an interest in maintaining the status quo, under which the 
Mandate has not been in effect for nearly its entire existence. Nken, 556 U.S. at 429. 

 
27 
The Mandate has been stayed almost since the moment it was issued, and the Sixth 
Circuit’s decision to spring the Mandate back into life—on a Friday night after close 
of business, no less—will cause incredible chaos. 
Further, the government has diminished equities. OSHA seeks to press-gang 
private parties into forcibly vaccinating or testing over 30 million employees. And 
OSHA issued the Mandate without even posting drafts or summaries online to 
inform the public—unwarranted secrecy in the false name of efficiency, given that 
the COVID pandemic has been around for nearly two years. Benisek v. Lamone, 138 
S. Ct. 1942, 1944 (2018) (equitable interests “tilt[] against” a party who waits 
“years” to initiate action). Meanwhile, even before the Mandate was issued, the 
Department of Labor demanded that companies “begin the process of adopting 
vaccination mandates,”3 an obvious in terrorem scheme where the government uses 
threat of the Mandate to strong-arm companies into giving the government what it 
wants, regardless of whether the Mandate will be upheld in court.  
Threatening to issue illegal edicts as a strategy to force involuntary 
vaccinations and testing is a cynical exercise of government powers, unworthy of 
equitable charity. Precision Instrument Mfg. Co. v. Auto. Maint. Mach. Co., 324 U.S. 
806, 815 (1945). 
The Mandate itself even stoops to personal attacks against those who 
question OSHA’s authority, labeling those who “resist curbs on personal freedoms” 
 
3 Ben Penn, Top DOL Lawyer Courts Business Support for Biden’s Vaccine Order, Bloomberg Law, 
Sept. 10, 2021, https://news.bloomberglaw.com/daily-labor-report/top-dol-lawyer-courts-business-
support-for-bidens-vaccine-order. 

 
28 
as suffering from “psychological reactance,” which OSHA implies is some kind of 
undesirable mental condition. 86 Fed. Reg. at 61,444. 
By contrast, Applicants have strong equitable interests. They have already 
suffered greatly over the last two years and now face terribly difficult choices about 
the viability of their businesses, as demonstrated above.  
There are also very strong public interests in staying the Mandate, as the 
attached affidavits explain in detail. Applicants were deemed “essential” during the 
lockdown because they serve as critical cogs in our nation’s economy. Lawrence 
Affidavit, Ex. 4, ¶ 9; Berkebile Affidavit, Ex. 4, ¶ 9; Rabine Affidavit, Ex. 4, ¶ 10. 
These companies represent just a tiny fraction of those affected. Nationwide, thirty 
percent of unvaccinated workers have indicated they will not comply, which will 
wreak havoc on supply chains. See, e.g., Spencer Kimball, Business Groups Ask 
White House to Delay Biden Covid Vaccine Mandate Until After the Holidays, 
CNBC, 
https://www.cnbc.com/2021/10/25/businesses-ask-white-house-to-delay-
biden-covid-vaccine-mandate-until-after-holidays.html.  
Food will not be produced or transported to grocery stores, schools, and 
nursing homes; household products will not be manufactured; damaged roofs and 
sinkholes will not be repaired; snow will not get removed; and buildings with 
broken HVAC systems will turn into freezing meat lockers. Pyle Affidavit, Ex. 4, 
¶ 10; McKee Affidavit, Ex. 4, ¶ 11; Lawrence Affidavit, Ex. 4, ¶ 9; Berkebile 
Affidavit, Ex. 4, ¶ 9; Rabine Affidavit, Ex. 4, ¶ 9. This in turn will cause a cascade 
effect that takes down companies at each link in the supply chain, along with the 

 
29 
workers at those companies and their local communities. McKee Affidavit, Ex. 4, 
¶¶ 12–13. 
CONCLUSION 
For the foregoing reasons, Applicants respectfully request a stay pending the 
disposition of Applicants’ petition for review currently pending before the United 
States Court of Appeals for the Sixth Circuit and pending any further proceedings 
in this Court. 
Respectfully submitted, 
 
 
By_________________________________ 
Jonathan Berry 
Counsel of Record 
 
Jonathan Berry 
   Counsel of Record 
BOYDEN GRAY & ASSOCIATES PLLC 
801 17th Street NW, Suite 350 
Washington, DC 20006 
(202) 955-0618 
berry@boydengrayassociates.com  
 
Counsel for Applicants 
December 17, 2021 

EXHIBITS 

EXHIBIT 1 

 
RECOMMENDED FOR PUBLICATION 
Pursuant to Sixth Circuit I.O.P. 32.1(b) 
 
File Name: 21a0287p.06 
 
UNITED STATES COURT OF APPEALS 
 
FOR THE SIXTH CIRCUIT 
 
 
IN RE: MCP NO. 165, OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, 
INTERIM FINAL RULE: COVID-19 VACCINATION AND TESTING; EMERGENCY 
TEMPORARY STANDARD 86 FED. REG. 61402. 
_________________________________________________________________ 
MASSACHUSETTS BUILDING TRADES COUNCIL, et al. (21-7000); BENTKEY 
SERVICES, LLC (21-4027); PHILLIPS MANUFACTURING & TOWER COMPANY, et 
al. (21-4028); COMMONWEALTH OF KENTUCKY, et al. (21-4031); ANSWERS IN 
GENESIS, INC. (21-4032); SOUTHERN BAPTIST THEOLOGICAL SEMINARY, et al. 
(21-4033); BST HOLDINGS, LLC, et al. (21-4080); REPUBLICAN NATIONAL 
COMMITTEE (21-4082); ASSOCIATED BUILDERS AND CONTRACTORS, INC., et al. 
(21-4083); MASSACHUSETTS BUILDING TRADES COUNCIL (21-4084); UNION OF 
AMERICAN PHYSICIANS AND DENTISTS (21-4085); ASSOCIATED GENERAL 
CONTRACTORS OF AMERICA, INC., et al. (21-4086); NATIONAL ASSOCIATION OF 
BROADCAST EMPLOYEES & TECHNICIANS, THE BROADCASTING AND CABLE 
TELEVISION WORKERS SECTOR OF THE COMMUNICATIONS WORKERS OF 
AMERICA, LOCAL 51, AFL-CIO (21-4087); STATE OF MISSOURI, et al. (21-4088); 
UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING 
AND PIPE FITTING INDUSTRY OF THE UNITED STATES AND CANADA, AFL-CIO 
(21-4089); STATE OF INDIANA (21-4090); TANKCRAFT CORPORATION, et al. (21-
4091); NATIONAL ASSOCIATION OF HOME BUILDERS (21-4092); JOB CREATORS 
NETWORK, et al. (21-4093); UNITED FOOD AND COMMERCIAL WORKERS 
INTERNATIONAL UNION, AFL/CIO-CLC, et al. (21-4094); SERVICE EMPLOYEES 
INTERNATIONAL UNION LOCAL 32BJ (21-4095); MFA, INC., et al. (21-4096); 
STATE OF FLORIDA, et al. (21-4097); AFT PENNSYLVANIA (21-4099); DENVER 
NEWSPAPER GUILD, COMMUNICATIONS WORKERS OF AMERICA, LOCAL 37074, 
AFL-CIO (21-4100); DTN STAFFING, INC., et al. (21-4101); FABARC STEEL 
SUPPLY, INC., et al. (21-4102); MEDIA GUILD OF THE WEST, THE NEWS GUILD-
COMMUNICATIONS WORKERS OF AMERICA, AFL-CIO, LOCAL 39213 (21-4103); 
NATURAL PRODUCTS ASSOCIATION (21-4108); OBERG INDUSTRIES, LLC (21-
4112); BETTEN CHEVROLET, INC. (21-4114); TORE SAYS LLC (21-4115); 
KENTUCKY PETROLEUM MARKETERS ASSOCIATION, et al. (21-4117); AARON 
ABADI (21-4133), 
Petitioners, 
 
v. 
UNITED STATES DEPARTMENT OF LABOR, OCCUPATIONAL SAFETY AND HEALTH 
ADMINISTRATION, et al., 
Respondents. 
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Nos. 21-7000 
/4027 /4028 /4031 
/4032 /4033 /4080 
/4082 /4083 /4084 
/4085 /4086 /4087 
/4089 /4088 /4090 
/4091 /4093 /4092 
/4095 /4094 /4096 
/4097 /4099 /4100 
/4101 /4102 /4103 
/4108 /4112 /4114 
/4115 /4117 /4133 
>
Case: 21-7000     Document: 386-2     Filed: 12/17/2021     Page: 1

Nos. 21-7000, et al. 
In re: MCP No. 165, Occupational Safety & 
Health Admin. Rule on COVID-19 Vaccination 
and Testing, 86 Fed. Reg. 61402 
Page 2 
 
On Emergency Motion to Dissolve Stay. 
Multi-Circuit Petitions for Review from an Order of the U.S. Department of Labor,  
Occupational Safety and Health Administration, No. OSHA-2001-0007. 
 
Decided and Filed:  December 17, 2021 
Before:  GIBBONS, STRANCH, and LARSEN, Circuit Judges. 
_________________ 
COUNSEL 
ON  EMERGENCY MOTION TO DISSOLVE STAY AND REPLY:  Sarah E. Harrington, 
Michael S. Raab, Adam C. Jed, Brian J. Springer, Martin Totaro, UNITED STATES 
DEPARTMENT OF JUSTICE, Washington, D.C., for Respondents.  IN RESPONSE:  R. Trent 
McCotter, BOYDEN GRAY & ASSOCIATES, Washington, D.C., for Job Creators Network 
Petitioners.  Felicia K. Watson, NATIONAL ASSOCIATION OF HOME BUILDERS OF THE 
UNITED STATES, Washington, D.C., for Petitioner National Association of Home Builders of 
the United States.  Christopher Wiest, CHRIS WIEST, ATTORNEY AT LAW, PLLC, 
Crestview Hills, Kentucky, for Petitioner Betten Chevrolet, Inc.  Harold Craig Becker, 
AMERICAN 
FEDERATION 
OF 
LABOR 
AND 
CONGRESS 
OF 
INDUSTRIAL 
ORGANIZATIONS, Washington, D.C., Peter J. Ford, UNITED FOOD & COMMERCIAL 
WORKERS INTERNATIONAL UNION, Washington, D.C., Randy Rabinowitz, OSH LAW 
PROJECT, LLC, Washington, D.C., Andrew D. Roth, BREDHOFF & KAISER, PLLC, 
Washington, D.C., Nicole Berner, SERVICE EMPLOYEES INTERNATIONAL UNION, 
Washington, D.C., Keith R. Bolek, O’DONOGHUE & O’DONOGHUE LLP, Washington, D.C., 
Victoria L. Bor, SHERMAN DUNN, P.C., Washington, D.C., for Petitioner Union of American 
Physicians and Dentists.  Cathleen A. Martin, John A. Ruth, NEWMAN, COMLEY & RUTH, 
P.C., Jefferson City, Missouri, for MFA Incorporated Petitioners.  Benjamin M. Flowers, May 
Davis, OFFICE OF THE OHIO ATTORNEY GENERAL, Columbus, Ohio, Christopher L. 
Thacker, Lindsey R. Keiser, OFFICE OF THE KENTUCKY ATTORNEY GENERAL, 
Frankfort, Kentucky, Clark L. Hildabrand, Brandon J. Smith, OFFICE OF THE TENNESSEE 
ATTORNEY GENERAL, Nashville, Tennessee, Brian Kane, Leslie M. Hayes, Megan A. 
Larrondo, OFFICE OF THE IDAHO ATTORNEY GENERAL, Boise, Idaho, Jeffrey A. 
Chanay, OFFICE OF THE KANSAS ATTORNEY GENERAL, Topeka, Kansas, Mithun 
Mansinghani, OFFICE OF THE OKLAHOMA ATTORNEY GENERAL, Oklahoma City, 
Oklahoma, Lindsay S. See, OFFICE OF THE WEST VIRGINIA ATTORNEY GENERAL, 
Charleston, West Virginia, Edmund G. LaCour Jr., OFFICE OF THE ALABAMA ATTORNEY 
GENERAL, Montgomery, Alabama, Charles E. Brasington, OFFICE OF THE ALASKA 
ATTORNEY GENERAL, Anchorage, Alaska, Drew C. Ensign, OFFICE OF THE ARIZONA 
ATTORNEY GENERAL, Phoenix, Arizona, D. John Sauer, OFFICE OF THE MISSOURI 
ATTORNEY GENERAL, Jefferson City, Missouri, David M. S. Dewhirst, Christian B. 
Corrigan, OFFICE OF THE MONTANA ATTORNEY GENERAL, Helena, Montana, Nicholas 
J. Bronni, Vincent M. Wagner, OFFICE OF THE ARKANSAS ATTORNEY GENERAL, Little 
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Rock, Arkansas, Henry C. Whitaker, Jason H. Hilborn, OFFICE OF THE FLORIDA 
ATTORNEY GENERAL, Tallahassee, Florida, James A. Campbell, OFFICE OF THE 
NEBRASKA ATTORNEY GENERAL, Lincoln, Nebraska, Anthony J. Galdieri, OFFICE OF 
THE NEW HAMPSHIRE ATTORNEY GENERAL, Concord, New Hampshire, Matthew A. 
Sagsveen, OFFICE OF THE NORTH DAKOTA ATTORNEY GENERAL, Bismarck, North 
Dakota, Ross W. Bergethon, OFFICE OF THE GEORGIA ATTORNEY GENERAL, Atlanta, 
Georgia, Thomas M. Fisher, OFFICE OF THE INDIANA ATTORNEY GENERAL, 
Indianapolis, Indiana, Thomas T. Hydrick, OFFICE OF THE SOUTH CAROLINA 
ATTORNEY GENERAL, Columbia, South Carolina, Samuel P. Langholz, OFFICE OF THE 
IOWA ATTORNEY GENERAL, Des Moines, Iowa, Elizabeth B. Murrill, OFFICE OF THE 
LOUISIANA ATTORNEY GENERAL, Baton Rouge, Louisiana, Judd E. Stone II, William F. 
Cole, Ryan S. Baasch, OFFICE OF THE TEXAS ATTORNEY GENERAL, Austin, Texas, 
Melissa A. Holyoak, OFFICE OF THE UTAH ATTORNEY GENERAL, Salt Lake City, Utah, 
John V. Coghlan, OFFICE OF THE MISSISSIPPI ATTORNEY GENERAL, Jackson, 
Mississippi, Ryan Schelhaas, OFFICE OF THE WYOMING ATTORNEY GENERAL, 
Cheyenne, Wyoming, for State Petitioners.  Michael  E. Toner, Thomas M. Johnson, Jr., Stephen 
J. Obermeier, Jeremy J. Broggi, Krystal B. Swendsboe, WILEY REIN LLP, Washington, D.C., 
for Petitioner Republican National Committee.  Daniel P. Lennington, WISCONSIN 
INSTITUTE FOR LAW & LIBERTY, Milwaukee, Wisconsin, for Tankcraft Petitioners.  
Matthew R. Miller, Robert Henneke, Chance Weldon, Nathan Curtisi, TEXAS PUBLIC 
POLICY FOUNDATION, Austin, Texas, for Burnett Specialists Petitioners.  John Stone 
Campbell III, John P. Murrill, TAYLOR, PORTER, BROOKS, & PHILLIPS L.L.P., Baton 
Rouge, Louisiana, for Cox Operating Petitioners.  Jessica Hart Steinmann, Josh Campbell, 
Rachel Jag, AMERICA FIRST POLICY INSTITUTE, Washington, D.C., Kris W. Kobach, 
ALLIANCE FOR FREE CITIZENS, Lecompton, Kansas, for DTN Staffing Petitioners.  Daniel 
R. Suhr, M. E. Buck Dougherty III, LIBERTY JUSTICE CENTER, Chicago, Illinois, Sarah 
Harbison, PELICAN INSTITUTE FOR PUBLIC POLICY, New Orleans, Louisiana, for BST 
Holdings Petitioners.  Kurtis T. Wilder, Joseph E. Richotte, Steven R. Eatherly, BUTZEL 
LONG, P.C., Detroit, Michigan, for Petitioner Small Business Association of Michigan.  Henry 
M. Perlowski, Ashley S. Kelly, ARNALL GOLDEN GREGORY LLP, Atlanta, Georgia, 
Richard J. Oparil, ARNALL GOLDEN GREGORY LLP, Washington, D.C., for Petitioner 
Natural Products Association.  Robert Alt, THE BUCKEYE INSTITUTE, Columbus, Ohio, 
Patrick Strawbridge, CONSOVOY MCCARTHY PLLC, Boston, Massachusetts, for Petitioner 
Phillips Manufacturing & Tower Company.  David A. Cortman, John J. Bursch, Matthew S. 
Bowman, Frank H. Chang, ALLIANCE DEFENDING FREEDOM, Washington, D.C., Ryan L. 
Bangert, Ryan J. Tucker, ALLIANCE DEFENDING FREEDOM, Scottsdale, Arizona, for 
Southern Baptist Theological Seminary Petitioners.  Jordan A. Sekulow, Abigail A. Southerland, 
Miles Terry, Christy Stierhoff, AMERICAN CENTER FOR LAW & JUSTICE, Washington, 
D.C., Edward L. White III, AMERICAN CENTER FOR LAW & JUSTICE, Ann Arbor, 
Michigan, for Petitioner Heritage Foundation.  Steven P. Lehotsky, Scott A. Keller, Michael B. 
Schon, LEHOTSKY KELLER LLP, Washington, D.C., for Business Association Petitioners.  
Matthew J. Clark, ALABAMA CENTER FOR LAW AND LIBERTY, Birmingham, Alabama, 
for FabArc Steel Supply Petitioners.  J. Larry Stine, WIMBERLY, LAWSON, STECKEL, 
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Nos. 21-7000, et al. 
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Health Admin. Rule on COVID-19 Vaccination 
and Testing, 86 Fed. Reg. 61402 
Page 4 
 
SCHNEIDER & STINE, P.C., Atlanta, Georgia, for Associated Builders and Contractors 
Petitioners.  Jeffrey C. Mateer, Hiram S. Sasser III, David J. Hacker, Jeremiah G. Dys, Lea E. 
Patterson, Keisha T. Russell, FIRST LIBERTY INSTITUTE, Plano, Texas, for Answers in 
Genesis Petitioners.  David A. Cortman, John J. Bursch, Matthew S. Bowman, Frank H. Chang, 
ALLIANCE DEFENDING FREEDOM, Washington, D.C., Ryan L. Bangert, Ryan J. Tucker, 
ALLIANCE DEFENDING FREEDOM, Scottsdale, Arizona, Harmeet K. Dhillon, Ronald D. 
Coleman, Mark P. Meuser, Michael A. Columbo, DHILLON LAW GROUP INC., San 
Francisco, California, for Petitioner Bentkey Services.  Aaron Abadi, New York, New York, pro 
se.  ON AMICUS BRIEF:  Brianne Gorod, CONSTITUTIONAL ACCOUNTABILITY 
CENTER, Washington, D.C., Scott E. Rosenow WMC LITIGATION CENTER, Madison, 
Wisconsin, Catherine L. Strauss, ICE MILLER LLP, Columbus, Ohio, Sheng Li, NEW CIVIL 
LIBERTIES ALLIANCE, Washington, D.C., Emmy L. Levens, COHEN MILSTEIN SELLERS 
& TOLL PLLC, Washington, D.C., Rachel L. Fried, Jessica Anne Morton, Jeffrey B. Dubner, 
JoAnn Kintz, DEMOCRACY FORWARD FOUNDATION, Washington, D.C., Scott L. Nelson, 
Allison M. Zieve, PUBLIC CITIZEN LITIGATION GROUP, Washington, D.C., Michael T. 
Anderson, Adam C. Breihan, MURPHY ANDERSON PLLC, Washington, D.C., Deepak Gupta, 
GUPTA WESSLER PLLC, Washington, D.C., for Amici Curiae. 
 
STRANCH, J., delivered the opinion of the court in which GIBBONS, J., joined.  
GIBBONS, J. (pg. 38), delivered a separate concurring opinion.  LARSEN, J. (pp. 39–57), 
delivered a separate dissenting opinion. 
_________________ 
OPINION 
_________________ 
JANE B. STRANCH, Circuit Judge.  The COVID-19 pandemic has wreaked havoc 
across America, leading to the loss of over 800,000 lives, shutting down workplaces and jobs 
across the country, and threatening our economy.  Throughout, American employees have been 
trying to survive financially and hoping to find a way to return to their jobs.  Despite access to 
vaccines and better testing, however, the virus rages on, mutating into different variants, and 
posing new risks.  Recognizing that the “old normal” is not going to return, employers and 
employees have sought new models for a workplace that will protect the safety and health of 
employees who earn their living there.  In need of guidance on how to protect their employees 
from COVID-19 transmission while reopening business, employers turned to the Occupational 
Safety and Health Administration (OSHA or the Agency), the federal agency tasked with 
assuring a safe and healthful workplace.  On November 5, 2021, OSHA issued an Emergency 
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Health Admin. Rule on COVID-19 Vaccination 
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Temporary Standard (ETS or the standard) to protect the health of employees by mitigating 
spread of this historically unprecedented virus in the workplace.  The ETS requires that 
employees be vaccinated or wear a protective face covering and take weekly tests but allows 
employers to choose the policy implementing those requirements that is best suited to their 
workplace.  The next day, the U.S. Court of Appeals for the Fifth Circuit stayed the ETS pending 
judicial review, and it renewed that decision in an opinion issued on November 12.  Under 
28 U.S.C. § 2112(a)(3), petitions challenging the ETS—filed in Circuits across the nation—were 
consolidated into this court.  Pursuant to our authority under 28 U.S.C. § 2112(a)(4), we 
DISSOLVE the stay issued by the Fifth Circuit for the following reasons.  
I.  BACKGROUND 
A.  OSHA’s History and Authority 
Congress passed the Occupational Safety and Health Act of 1970 (OSH Act or the Act) 
and established OSHA “to assure safe and healthful working conditions for the nation’s work 
force and to preserve the nation’s human resources.”  Asbestos Info. Ass’n/N. Am. v. 
Occupational Safety & Health Admin., 727 F.2d 415, 417 (5th Cir. 1984).  It expressly found that 
“personal injuries and illnesses arising out of work situations impose a substantial burden upon, 
and are a hindrance to, interstate commerce in terms of lost production, wage loss, medical 
expenses, and disability compensation payments.”  29 U.S.C. § 651(a).  OSHA is charged with 
ensuring worker safety and health “by developing innovative methods, techniques, and 
approaches for dealing with occupational safety and health problems.”  Id. § 651(b)(5).  To fulfill 
that charge, Congress authorized the Secretary of Labor (the Secretary) “to set mandatory 
occupational safety and health standards applicable to businesses affecting interstate commerce.”  
Id. § 651(b)(3).  And it vested the Secretary with “broad authority . . . to promulgate different 
kinds of standards” for health and safety in the workplace.  Indus. Union Dep’t, AFL-CIO v. Am. 
Petroleum Inst., 448 U.S. 607, 611 (1980) (plurality opinion); see, e.g., N. Am.’s Bldg. Trades 
Unions v. Occupational Safety & Health Admin., 878 F.3d 271, 281 (D.C. Cir. 2017); United 
Steelworkers of Am., AFL-CIO-CLC v. Marshall, 647 F.2d 1189, 1202, 1311 (D.C. Cir. 1980); 
29 C.F.R. §§ 1910.141, 1926.51.   
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An occupational safety and health standard is one that “requires conditions, or the 
adoption or use of one or more practices, means, methods, operations, or processes, reasonably 
necessary or appropriate to provide safe or healthful employment and places of employment.”  
29 U.S.C. § 652(8).  Before going into effect, OSHA’s standards must undergo a notice-and-
comment period for 30 days, during which time anyone who objects to the standard may request 
a public hearing.  Id. § 655(b)(2)–(3).  Within 60 days from the end of the notice-and-comment 
period, the Secretary must either publish the standard or decline to issue the standard.  Id. 
§ 655(b)(4).  The Secretary has set standards that affect workplaces across the country in a wide 
range of categories, including sanitation, air contaminants, hazardous materials, personal 
protective equipment, and fire protection.  See National Consensus Standards and Established 
Federal Standards, 36 Fed. Reg. 10,466 (May 29, 1971).  
In emergency circumstances, OSHA “shall” promulgate an “emergency temporary 
standard” that takes “immediate effect.”  29 U.S.C. § 655(c)(1).  Emergency temporary standards 
do not displace notice-and-comment requirements; rather, the ETS serves as the “proposed rule,” 
and OSHA must proceed over the course of six months with the notice-and-comment procedures 
of a normal OSHA standard.  Id. § 655(c)(2), (3).  At the end of that period, the Secretary must 
promulgate either the same standard or a revised standard in light of the notice-and-comment 
process.  Id. § 655(c)(2).  Before issuing an ETS, OSHA must determine: (1) “that employees are 
exposed to grave danger from exposure to substances or agents determined to be toxic or 
physically harmful or from new hazards,” and (2) that an “emergency standard is necessary to 
protect employees from such danger.” Id. § 655(c)(1). 
With respect to any OSHA standard—emergency or otherwise—employers may seek a 
“variance” from the standard.  Id. § 655(d).  Under that provision, an employer must demonstrate 
“that the conditions, practices, means, methods, operations, or processes used or proposed to be 
used by an employer will provide employment and places of employment to his employees 
which are as safe and healthful as those which would prevail if he complied with the standard.”  
Id.  
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B.  Factual Background 
OSHA monitored the COVID-19 pandemic from the beginning.  As early as April 2020, 
OSHA sought to protect workers through “widespread voluntary compliance” with “safety 
guidelines,” specifying that workplaces should comply with personal protective equipment 
standards, see 29 C.F.R. § 1910, and by reinforcing employers’ “general duty” to furnish each 
worker “employment and a place of employment, which are free from recognized hazards that 
are causing or are likely to cause death or serious physical harm,” see 29 U.S.C. § 654(a)(1).  
Given the pandemic’s trajectory—and the emergence of rapidly-spreading variants causing 
“increases in infectiousness and transmission,” 86 Fed. Reg. at 61,409—OSHA found that its 
“nonregulatory enforcement tools” were “inadequate” to ensure all working individuals “safe 
and healthful working conditions.”  29 U.S.C. § 651(b); see 86 Fed. Reg. at 61,410–45. 
Determining that the continued spread of COVID-19 met the two requirements of 
§ 655(c)(1), on November 5, 2021, OSHA published an ETS to fulfill its statutory directive and 
address the “extraordinary and exigent circumstances” presented by this unprecedented 
pandemic.  86 Fed. Reg. at 61,434.  OSHA published a 153-page preamble to the ETS to explain 
the bases for its decision to issue the ETS under 29 U.S.C. § 655(c).  See COVID-19 Vaccination 
and Testing; Emergency Temporary Standard, 86 Fed. Reg. 61,402 (Nov. 5, 2021) (to be 
codified at 29 C.F.R. pts. 1910, 1915, 1917, 1918, 1926, and 1928).   
The ETS does not require anyone to be vaccinated.  Rather, the ETS allows covered 
employers—employers with 100 or more employees—to determine for themselves how best to 
minimize the risk of contracting COVID-19 in their workplaces.  Id. at 61,438 (allowing 
employers to “opt out” of any vaccination policies).  Employers have the option to require 
unvaccinated workers to wear a mask on the job and test for COVID-19 weekly.  Id.  They can 
also require those workers to do their jobs exclusively from home, and workers who work 
exclusively outdoors are exempt.  Id. at 61,419.  The employer—not OSHA—can require that its 
workers get vaccinated, something that countless employers across the country have already 
done.  Id. at 61,436 (“[T]his ETS offers employers a choice in how to comply . . . .”). 
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Employers must also confirm their employees’ vaccination status and keep records of that 
status.  Id. at 61,552.  Consistent with other OSHA standard penalties, employers who fail to 
follow the standard may be fined penalties up to $13,653 for each violation and up to $136,532 
for each willful violation.  29 C.F.R. § 1903.15(d). 
C.  Procedural History  
 
Shortly after OSHA issued the ETS, private employers, labor unions, state governments, 
and individual citizens across the country filed suit in virtually every circuit court, challenging 
OSHA’s authority to issue such an ETS and OSHA’s basis for the ETS.  One day after the ETS 
went into effect, the Fifth Circuit issued a stay barring OSHA from enforcing the ETS until the 
completion of judicial review.  BST Holdings, LLC v. Occupational Safety & Health Admin., 
No. 21-60845, 2021 WL 5166656 (5th Cir. Nov. 6, 2021) (per curiam).  Less than a week later, 
the Fifth Circuit issued a written opinion, reaffirming the initial stay after “having conducted . . . 
[an] expedited review.”  BST Holdings, LLC v. Occupational Safety & Health Admin., 17 F.4th 
604 (5th Cir. 2021).   
 
In reaching its decision to stay the ETS, the Fifth Circuit generally forecasted that the 
ETS faced fatal statutory and constitutional issues, then concluded that the Petitioners had 
demonstrated a strong likelihood of success on the merits.  Id. at 611–18.  On the other stay 
factors, the Fifth Circuit found that individuals, states, and employers would be “substantially 
burdened” due to the compliance costs, loss of constitutional freedom, and intrusion into States’ 
“constitutionally reserved police power.”  Id. at 618.  Without addressing any of OSHA’s factual 
explanations or its supporting scientific evidence concerning harm, the Fifth Circuit summarily 
concluded that “a stay will do OSHA no harm whatsoever” and “a stay is firmly in the public 
interest.”  Id. at 618–19 (emphasis in original). 
 
Under 28 U.S.C. § 2112(a)(3), the Government notified the judicial panel on multidistrict 
litigation of petitions across multiple circuits, invoking the lottery procedure to consolidate all 
petitions in a single circuit.  On November 16, the panel designated the U.S. Court of Appeals 
for the Sixth Circuit to review the petitions.  On November 23, the Government moved to 
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Health Admin. Rule on COVID-19 Vaccination 
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dissolve the stay issued by the Fifth Circuit pursuant to § 2112(a)(4), which provides that the 
court of appeals chosen through the multi-circuit lottery may modify, revoke, or extend a stay 
that a court of appeals issued before the lottery. 
II.  ANALYSIS 
Relying primarily on the evidence and authority set out in its 153-page preamble, OSHA 
moved to dissolve the Fifth Circuit’s stay.  Under 28 U.S.C. § 2112(a)(4), we review de novo the 
challenged aspects of the ETS to determine whether the Fifth Circuit’s stay should be modified, 
revoked, or extended.  
A.  Standard for Stay 
“A stay is an ‘intrusion into the ordinary processes of administration and judicial 
review.’”  Nken v. Holder, 556 U.S. 418, 427 (2009) (quoting Va. Petroleum Jobbers Ass’n. v. 
Fed. Power Comm’n, 259 F.2d 921, 925 (D.C. Cir. 1958)).  Therefore, it “is not a matter of right, 
even if irreparable injury might otherwise result to the appellant.”  Id. (quoting Virginian Ry. Co. 
v. United States, 272 U.S. 658, 672 (1926)).  “[T]he heavy burden for making out a case for such 
extraordinary relief” rests on “the moving parties.”  Winston-Salem/Forsyth Cnty. Bd. of Educ. v. 
Scott, 404 U.S. 1221, 1231 (1971); see also Nken, 556 U.S. at 433–34. 
To determine whether a stay pending judicial review is merited, we consider four factors:  
(1) whether the stay applicant has made a strong showing that he is likely to 
succeed on the merits; (2) whether the applicant will be irreparably injured absent 
a stay; (3) whether issuance of the stay will substantially injure the other parties 
interested in the proceeding; and (4) where the public interest lies.   
Nken, 556 U.S. at 426 (quoting Hilton v. Braunskill, 481 U.S. 770, 776 (1987)). 
B.  Likelihood of Success on the Merits 
1.  Scope of OSHA’s Statutory Authority 
Petitioners’ arguments are primarily grounded in the Fifth Circuit’s blanket conclusion 
that the ETS is beyond the scope of OSHA’s statutory authority.  The ETS was issued under 
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§ 655(c)(1) of the Act, which requires OSHA to issue an emergency standard if necessary to 
protect workers from a “grave danger” presented by “exposure to substances or agents 
determined to be toxic or physically harmful or from new hazards.”  29 U.S.C. § 655(c)(1).  In 
assessing that authority, the Fifth Circuit focused solely on the words in § 655(c)(1):  “substances 
or agents,” “toxic or physically harmful,” and “grave danger,” opining that those words are to be 
interpreted based on the words and phrases in the immediate vicinity of the statutory language at 
issue.  BST Holdings, 17 F.4th at 612–13.  But the Supreme Court has instructed that words and 
phrases must be viewed in the context of the entire statute.  See Gade v. Nat’l Solid Wastes 
Mgmt. Ass’n, 505 U.S. 88, 99 (1992) (instructing that, when evaluating a statute, a court “must 
not be guided by a single sentence or member of a sentence, but look to the provisions of the 
whole law”).  We therefore take a holistic view of the language that Congress chose to include in 
its statutory authorization to OSHA.  
An “agent” is “a chemically, physically, or biologically active principle.”  Agent, 
Merriam-Webster Collegiate Dictionary, https://unabridged.merriam-webster.com/collegiate/ 
agent.  And a virus is defined, in part, as “any large group of submicroscopic infectious agents.”  
Virus, Merriam-Webster Collegiate Dictionary, https://unabridged.merriam-webster.com/ 
collegiate/virus.  The statute requires OSHA to determine whether an agent is “toxic or 
physically harmful or from new hazards,” 29 U.S.C. § 655(c)(1) (emphasis added), speaking in 
the disjunctive, which specifies that words so connected “are to be given separate meanings,” 
Loughrin v. United States, 573 U.S. 351, 357 (2014) (quoting United States v. Woods, 571 U.S. 
31, 45–46 (2013)).  To conflate two descriptors into one meaning would improperly render one 
disjunctive phrase superfluous.  See Bailey v. United States, 516 U.S. 137, 146 (1995); Reiter v. 
Sonotone Corp., 442 U.S. 330, 338–39 (1979).  Under the statutory definition, any agent, 
including a virus, that is either “toxic” (i.e., poisonous, toxicity) or “physically harmful” (i.e., 
causing bodily harm) falls within OSHA’s purview.  An agent that causes bodily harm—a 
virus—falls squarely within the scope of that definition.  
 
Other provisions of the Act reinforce OSHA’s authority to regulate infectious diseases 
and viruses.  As explained above, Congress enacted the OSH Act under the Commerce Clause 
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because Congress found that “illnesses arising out of work situations impose a substantial burden 
upon . . . interstate commerce.”  29 U.S.C § 651(a) (emphasis added).  Congress created the 
safety and health administration to protect workers from those illnesses by reducing “health 
hazards at their places of employment.”  Id. § 651(b)(1).  The Act’s objectives include exploring 
“ways to discover latent diseases, establishing causal connections between diseases and work in 
environmental conditions, and conducting other research relating to health problems . . . .”  Id. 
§ 651(b)(6).  And finally, the Act sought to “provid[e] medical criteria which will assure insofar 
as practicable that no employee will suffer diminished health, functional capacity, or life 
expectancy as a result of his work experience.”  Id. § 651(b)(7). 
 
Section 20 of the OSH Act provides for OSHA to work with and through other agencies 
by expressly directing the Secretary of Health and Human Services to conduct research in 
consultation with the Secretary of Labor to develop “information regarding potentially toxic 
substances or harmful physical agents,” including through medical examination and tests.  Id. 
§ 669(a)(5).  That provision also contains the religious exemption for the entire OSH Act: 
“[n]othing in this or any other provision of this chapter shall be deemed to authorize or require 
medical examination, immunization, or treatment, for those who object thereto on religious 
grounds, except where such is necessary for the protection of the health or safety of others.”  Id.  
The provision’s reference to immunization and its creation of a limited exception to the Act’s 
authorization of standards involving immunization would be rendered meaningless if the statute 
did not contemplate both that “harmful agents” include infectious, disease-causing agents, such 
as viruses, and that OSHA would employ the use of immunizations to combat those agents.  
Congress confirmed OSHA’s infectious disease authority in other statutes.  In 1989, 
OSHA proposed a standard governing bloodborne pathogens to curb transmission rates of HIV, 
hepatitis B (HBV), and hepatitis C.  See Occupational Exposure to Bloodborne Pathogens, 
54 Fed. Reg. 23,042 (proposed May 30, 1989).  When the standard had not been finalized by 
1991, Congress ordered OSHA to finalize its rulemaking by a date certain, “warning that if 
[OSHA] did not meet its deadline, the proposed standard would become effective in the interim.”  
Dale and Tracy, Occupational Safety and Health Law 64 (2018).  In 1992, Congress passed the 
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and Testing, 86 Fed. Reg. 61402 
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Workers Family Protection Act, codified in 29 U.S.C. § 671a, the same U.S. Code chapter as the 
OSH Act.  The statute resulted from findings that “hazardous chemicals and substances” were 
being transported home on workers and their clothing posing a “threat to the health and welfare 
of workers and their families.”  29 U.S.C. § 671a(b)(1)(A)–(B).  Section 671a requires the 
National Institute for Occupational Safety and Health to work with OSHA to study “issues 
related to the contamination of workers’ homes with hazardous chemicals and substances, 
including infectious agents, transported from the workplaces of such workers.”  Id. 
§ 671a(c)(1)(A) (emphasis added).  OSHA is then specifically required to consider the need for 
additional standards on the studied issues and to promulgate such standards “pursuant to . . . the 
Occupational Safety and Health Act of 1970.”  Id.  § 671a(d)(2). 
In 2000, Congress passed the Needlestick Safety and Prevention Act, directing OSHA to 
strengthen its bloodborne pathogens standard and provide language for the regulatory text.  Pub. 
L. No. 106-430, 114 Stat. 1901 (2000).  Although legal challenges were brought against the 
standard, no party challenged OSHA’s authority to regulate bloodborne pathogens.  See Am. 
Dental Ass’n v. Martin, 984 F.2d 823, 826 (7th Cir. 1993).  Removing any basis for doubt that 
OSHA is authorized to regulate infectious diseases, Congress expressly included funding for 
OSHA in the American Rescue Plan that is to be used “to carry out COVID-19 related worker 
protection activities.”  Pub. L. No. 117-2, § 2101, 135 Stat. 4, 30 (2021).  
 
Based on the OSH Act’s language, structure, and Congressional approval, OSHA has 
long asserted its authority to protect workers against infectious diseases.  In 1991, it promulgated 
a standard regarding exposure to bloodborne pathogens.  Occupational Exposure to Bloodborne 
Pathogens; Final Rule; 56 Fed. Reg. 64,004 (1991) (codified at 29 C.F.R. § 1910.1030).  That 
standard required employers to make the hepatitis B vaccine available to employees at risk of 
exposure to HBV.  29 C.F.R. § 1910.1030(f).  OSHA has also promulgated standards requiring 
employers engaged in hazardous waste cleanup to protect against any “biological agent and other 
disease-causing agent” that “upon exposure, ingestion, inhalation or assimilation into any 
person,. . . will or may reasonably be anticipated to cause death [or] disease,” id. 
§ 1910.120(a)(3); requiring use of respirators to prevent occupational diseases caused by 
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“harmful dusts, fogs, fumes, mists, gases, smokes, sprays, or vapors,” id. § 1910.134(a)(1); and 
requiring employers to provide adequate toilet and handwashing facilities to protect workers 
from pesticides and prevent the spread of harmful bacteria and disease, id. § 1910.141; see also 
Field Sanitation, 52 Fed. Reg. 16,050, 16,087, 16,090–91 (May 1, 1987) (codified at 29 C.F.R. 
§ 1928.110) (requiring construction employers to ban the use of common drinking cups to avoid 
the risk of contracting diseases); 29 C.F.R. § 192.51(a)(4). 
 
Given OSHA’s clear and exercised authority to regulate viruses, OSHA necessarily has 
the authority to regulate infectious diseases that are not unique to the workplace.  Indeed, no 
virus—HIV, HBV, COVID-19—is unique to the workplace and affects only workers.  And 
courts have upheld OSHA’s authority to regulate hazards that co-exist in the workplace and in 
society but are at heightened risk in the workplace.  See, e.g., Forging Indus. Ass’n v. Sec’y of 
Labor, 773 F.2d 1436, 1442–43 (4th Cir. 1985) (en banc) (rejecting the argument that “because 
hearing loss may be sustained as a result of activities which take place outside the workplace . . . 
OSHA acted beyond its statutory authority by regulating non-occupational conditions or 
causes”); Am. Dental Ass’n, 984 F.2d at 826 (recognizing that the “infectious character of HIV 
and HBV warrant[s] even on narrowly economic grounds more regulation than would be 
necessary in the case of a noncommunicable disease”); see also 29 C.F.R. § 1910.1025 (OSHA 
regulates workplace exposure to lead). 
 
Longstanding precedent addressing the plain language of the Act, OSHA’s interpretations 
of the statute, and examples of direct Congressional authorization following the enactment of the 
OSH Act all show that OSHA’s authority includes protection against infectious diseases that 
present a significant risk in the workplace, without regard to exposure to that same hazard in 
some form outside the workplace.   
The responsibility the Act imposes on OSHA to protect the safety and health of 
employees, moreover, is hardly limited to “hard hats and safety goggles.”  OSHA has wide 
discretion to form and implement the best possible solution to ensure the health and safety of all 
workers, and has historically exercised that discretion.  See United Steelworkers of Am., 647 F.2d 
at 1260.  Having been charged by the Act with creating such health-based standards, it makes 
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sense that OSHA’s authority contemplates the use of medical exams and vaccinations as tools in 
its arsenal.  See id. at 1228–40 (concluding that OSHA has the authority to require medical 
surveillance of lead levels).  “To suggest otherwise would mean that Congress had to have 
anticipated both the unprecedented COVID-19 pandemic and the unprecedented politicization of 
the disease to regulate vaccination against it.”  Florida v. Dep’t of Health & Hum. Servs., No. 
21-14098-JJ, 2021 WL 5768796, at *12 (11th Cir. Dec. 6, 2021).  No such prescience is required 
to address the health and safety concerns of American workers as they seek to return to their 
workplaces.  The language of the OSH Act plainly authorizes OSHA to act on its charge “to 
assure safe and healthful working conditions for the nation’s work force and to preserve the 
nation’s human resources.”  Asbestos Info. Ass’n, 727 F.2d at 417.  
2.  Major Questions Doctrine 
Having established OSHA’s statutory authority, we pause to address Petitioners’ and the 
Fifth Circuit’s arguments pertaining to the major questions doctrine.  The Fifth Circuit’s 
complete discussion of the point is contained in a single paragraph: 
[T]he major questions doctrine confirms that the Mandate exceeds the bounds of 
OSHA’s statutory authority.  Congress must “speak clearly if it wishes to assign 
to an agency decisions of vast economic and political significance.”  The Mandate 
derives its authority from an old statute employed in a novel manner, imposes 
nearly $3 billion in compliance costs, involves broad medical considerations that 
lie outside of OSHA’s core competencies, and purports to definitively resolve one 
of today’s most hotly debated political issues.  There is no clear expression of 
congressional intent in § 655(c) to convey OSHA such broad authority, and this 
court will not infer one.  Nor can the Article II executive breathe new power into 
OSHA’s authority—no matter how thin patience wears. 
BST Holdings, 17 F.4th at 617–18 (citations and footnote omitted) (quoting Util. Air Regul. Grp. 
v. EPA, 573 U.S. 302, 324 (2014)). 
The seldom-used major questions doctrine is a canon of statutory interpretation that has 
been described as an exception to Chevron deference.  See, e.g., King v. Burwell, 576 U.S. 473, 
485–86 (2015).  If any agency’s regulatory action “bring[s] about an enormous and 
transformative expansion in [the agency’s] regulatory authority,” then there must be “clear 
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congressional authorization.”  Util. Air Regul. Grp., 573 U.S. at 324.  “We expect Congress to 
speak clearly if it wishes to assign to an agency decisions of vast ‘economic and political 
significance.’”  Id. (quoting FDA v. Brown & Williamson Tobacco Corp., 529 U.S. 120, 160 
(2000)).  The doctrine itself is hardly a model of clarity, and its precise contours—specifically, 
what constitutes a question concerning deep economic and political significance—remain 
undefined.   
The major questions doctrine is inapplicable here, however, because OSHA’s issuance of 
the ETS is not an enormous expansion of its regulatory authority.  OSHA has regulated 
workplace health and safety on a national scale since 1970, including controlling the spread of 
disease.  See Am. Textile Mfrs. Inst. v. Donovan, 452 U.S. 490, 520 (1981).  As cataloged at 
length above, vaccination and medical examinations are both tools that OSHA historically 
employed to contain illness in the workplace.  The ETS is not a novel expansion of OSHA’s 
power; it is an existing application of authority to a novel and dangerous worldwide pandemic. 
The dissent assumes our conclusion rests on the length of time (since 1970) OSHA has 
regulated workplaces and that we miss the point that the major questions doctrine is also about 
the “scope or degree” of the power an agency wields.  (Dissent Op. at 53)  Our conclusion rests 
on much more, including:  An extensive catalog of OSHA’s regulatory authority, citing the text 
of the Act and precedent, both replete with references that contemplate the authority OSHA uses 
here; the actual components of OSHA’s work—such as its many years of regulating illness in the 
workplace; and other statutes acknowledging OSHA’s authority, including one that expressly 
allocates funding to OSHA for its intervention in the COVID-19 crisis.  This listing shows that 
OSHA was granted the authority that it exercised.  The case cited by the dissent, FDA v. Brown 
& Williamson Tobacco Corporation, is inapposite because there the FDA made the claim that its 
authority to regulate “drugs” extended to cigarettes, but Congress had repeatedly declined to 
grant the FDA that authority.  See 529 U.S. at 125, 137–39.   
Any doubt as to OSHA’s authority is assuaged by the language of the OSH Act.  In 
arguing that OSHA does not have this authority, Petitioners and the Fifth Circuit rely on the 
Supreme Court’s and the Sixth Circuit’s recent cases invoking the major questions doctrine 
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regarding a nationwide moratorium on evictions in counties experiencing high levels of COVID-
19 transmission.  See Ala. Ass’n of Realtors v. U.S. Dep’t of Health & Hum. Servs., 141 S. Ct. 
2485 (2021); Tiger Lily, LLC v. U.S. Dep’t of Hous. & Urb. Dev., 5 F.4th 666 (6th Cir. 2021).  
The Centers for Disease Control and Prevention (CDC) promulgated the moratorium under 
§ 361(a) of the Public Health Service Act (PHSA), referencing its “broad authority to take 
whatever measures it deems necessary to control the spread of COVID-19.” Ala. Ass’n of 
Realtors, 141 S. Ct. at 2488.  The Supreme Court determined that clear language in the PHSA 
expressly limited the scope of the CDC’s authority to specific measures, which scope did not 
include moratoria.  Id.  The Court noted that “[e]ven if the text were ambiguous, the sheer scope 
of the CDC’s claimed authority under § 361(a) would counsel against the Government’s agency 
interpretation.”  Id. at 2489.  Because 80 percent of the United States population fell within the 
moratorium, which would cost nearly $50 billion, and the moratorium intruded into an area 
traditionally left to the States, landlord-tenant law, the Court noted that if Congress wished the 
CDC to have such authority, it needed to “enact exceedingly clear language” to that effect.  Id. 
(quoting U.S. Forest Serv. v. Cowpasture River Pres. Ass’n, 140 S. Ct. 1837, 1850 (2020)). 
As an initial point, Alabama Association of Realtors and Tiger Lily do not control this 
case.  Those cases concerned a different agency, the CDC, and a different regulation, the 
suspension of evictions.  Any authority to issue such regulation came from a different statute:  
the PHSA.  The decisions primarily focused on interpreting the language of that underlying 
statute.  Ala Ass’n of Realtors, 141 S. Ct. at 2488; Tiger Lily, 5 F.4th at 669–71.   
Those cases are inapposite because here the statutory language unambiguously grants 
OSHA authority for the ETS.  As discussed at length, the OSH Act confers authority on OSHA 
to impose standards and regulations on employers to protect workplace health and safety, 
including the transmission of viruses in the workplace.  See 29 U.S.C. §§ 651(b), 655(c).  
OSHA’s ETS authority is circumscribed not only by the requirements of grave danger and 
necessity, but also by the required relationship to the workplace.  Id.; see United Steelworkers of 
Am., 647 F.2d at 1230.  And OSHA honored those parameters, issuing emergency standards only 
eleven times, including the currently challenged ETS.  See SCOTT D. SZYMENDRA, CONG. RSCH. 
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SERV., R46288, OCCUPATION SAFETY AND HEALTH ADMIN. (OSHA): COVID-19 EMERGENCY 
TEMPORARY STANDARDS (ETS) ON HEALTH CARE EMP. AND VACCINATIONS AND TESTING FOR 
LARGE EMPS. at 35–36 tbl. A-1 (2021), https://crsreports.congress.gov/product/pdf/R/R46288.  
This is, therefore, different from the CDC’s authority under the PHSA, which provided a limited 
scope of tools to effectuate the Act’s purposes, which scope did not include moratoria, and which 
regulated an area not traditionally in the CDC’s wheelhouse.1  Finally, the same federalism 
concerns are not at issue here:  “[a]lthough . . . ‘public health issues’ . . . have ‘traditionally been 
a primary concern of state and local officials,’ Congress, in adopting the OSH Act, decided that 
the federal government would take the lead in regulating the field of occupational health.”  
Farmworker Just. Fund v. Brock, 811 F.2d 613, 625 (D.C. Cir. 1987) (quoting Am. Textile Mfrs. 
Inst., 452 U.S. at 509). 
In sum, the major questions doctrine is inapplicable here.  OSHA’s issuance of the ETS is 
not a transformative expansion of its regulatory power as OSHA has regulated workplace health 
and safety, including diseases, for decades.   
3.  OSHA’s Basis for the Emergency Temporary Standard 
Having found no threshold issue that OSHA exceeded its authority under the statute, we 
turn to the challenges to the ETS itself.   
As noted, OSHA is permitted to issue an emergency temporary standard, which takes 
“immediate effect” and serves as a “proposed rule” for a notice-and-comment rulemaking if it 
determines:  (1) “that employees are exposed to grave danger from exposure to substances or 
agents determined to be toxic or physically harmful or from new hazards,” and (2) that a 
standard “is necessary to protect employees from such danger.”  29 U.S.C. § 655(c).  Those 
determinations are “conclusive if supported by substantial evidence in the record as a whole.”  
 
1In comparing this case with Alabama Association, the Fifth Circuit wrote, “But health agencies do not 
make housing policy, and occupational safety administrators do not make health policy.”  BST Holdings, 17 F.4th at 
619.  The Fifth Circuit fails to acknowledge that OSHA stands for the Occupational Safety and Health 
Administration.  See 29 U.S.C. § 651(b) (“The Congress declares it to be its purpose and policy . . . to assure so far 
as possible every working man and woman in the Nation safe and healthful working conditions . . . .” (emphasis 
added)). 
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Id. § 655(f).  On judicial review, we determine “whether the record contains ‘such relevant 
evidence as a reasonable mind might accept as adequate to support a conclusion.’”  Asbestos 
Info. Ass’n, 727 F.2d at 421 (quoting Consol. Edison Co. v. NLRB, 305 U.S. 197, 229 (1938)).   
While the ultimate question hinges on whether the record contains substantial evidence, 
“the nature of the evidence in this case requires that we inquire into whether OSHA ‘carried out 
[its] essentially legislative task in a manner reasonable under the state of the record before [it].’”  
Id. at 421 (quoting Aqua Slide ‘n’ Dive Corp. v. Consumer Prod. Safety Comm’n, 569 F.2d 831, 
838 (5th Cir. 1978)).  To this end, deference is given to OSHA’s fact-finding expertise.  Id. 
(citing Aqua Slide ‘n’ Dive Corp., 569 F.2d at 838).  While “we must take a ‘harder look’ at 
OSHA’s action than we would if we were reviewing the action under the more deferential 
arbitrary and capricious standard,” id. at 421, by the very nature of the administrative 
proceeding, some flexibility is to be exercised in judicial review, id. at 422.   
The court “can review [the] data in the record and determine whether it reflects 
substantial support for the Secretary’s findings.”  Indus. Union Dep’t, AFL-CIO v. Hodgson, 
499 F.2d 467, 475 (D.C. Cir. 1974) (recognizing that substantial evidence standard of review in a 
legislative-type proceeding is only applicable to some dimensions of the agency’s decision).  But 
some “determinations involve policy choices or factual determinations so much ‘on the frontiers 
of scientific knowledge’ that they resemble policy determinations more than factual ones.”  
Asbestos Info. Ass’n, 727 F.2d at 422 (quoting Hodgson, 499 F.2d at 474).  For these 
determinations we respect “‘the boundaries between the legislative and the judicial function,’ 
[and] we ‘approach our reviewing task with a flexibility informed and shaped by sensitivity to 
the diverse origins of the determinations that enter into a legislative judgment’ made by an 
agency.”  Id. (quoting Hodgson, 499 F.2d at 475).  So too here. 
In assessing the likelihood of success of the ETS challenges, we rely on the extensive 
preamble to the ETS and the record before the courts. 
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i.  Emergency 
We begin with the contention endorsed by the Fifth Circuit that the standard 
automatically fails because OSHA did not issue the ETS at the outset of the pandemic.  The 
claim that COVID-19 does not present “a true emergency” in the workplace has no foundation in 
the record and law and ignores OSHA’s explanations.  OSHA addressed COVID-19 in 
progressive steps tailored to the stage of the pandemic, including consideration of the growing 
and changing virus, the nature of the industries and workplaces involved, and the availability of 
effective tools to address the virus.  This reasoned policy determination does not undermine the 
state of emergency that this unprecedented pandemic currently presents.  
Even if we assume that OSHA should have issued an ETS earlier, moreover, “to hold that 
because OSHA did not act previously it cannot do so now only compounds the consequences of 
the Agency’s failure to act.”  Id. at 423.  In Asbestos Information Association, the petitioners 
challenged the Agency’s motives in promulgating an ETS “when the Agency has known for 
years that asbestos constitutes a serious health risk, and, in fact, has had all the data it uses to 
support its . . . action at hand, but nevertheless failed to act on it.”  Id.  The Fifth Circuit 
concluded that the statutory language itself precludes a requirement that OSHA may only act on 
“new information” because the Act permits regulation of harmful agents or “new hazards,” 
proving that not all regulated dangers must be new.  Id.  “OSHA should, of course, offer some 
explanation for its timing in promulgating an ETS,” id., and OSHA has done so here.  
The record establishes that COVID-19 has continued to spread, mutate, kill, and block 
the safe return of American workers to their jobs.  To protect workers, OSHA can and must be 
able to respond to dangers as they evolve.  As OSHA concluded:  with more employees returning 
to the workplace, the “rapid rise to predominance of the Delta variant” meant “increases in 
infectiousness and transmission” and “potentially more severe health effects.”  86 Fed. Reg. at 
61,409–12.  OSHA also explained that its traditional nonregulatory options had been proven 
“inadequate.”  Id. at 61,444.  OSHA acted within its discretion in making the practical decision 
to wait for Federal Drug Administration (FDA) approval of the vaccines before issuing the ETS; 
“this fact demonstrates appropriate caution and thought on the part of the Secretary.”  
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Florida, 2021 WL 5768796, at *14 n.2.  These findings, therefore, coupled with FDA-approved 
vaccines, more widespread testing capabilities, the recognized Delta variant and the possibility of 
new variants2 support OSHA’s conclusion that the current situation is an emergency, and one 
that can be ameliorated by agency action. 
ii.  Grave Danger 
Health effects may constitute a “grave danger” under the OSH Act if workers face “the 
danger of incurable, permanent, or fatal consequences . . . , as opposed to easily curable and 
fleeting effects on their health.”  Fla. Peach Growers Ass’n, Inc. v. U.S. Dep’t of Labor, 
489 F.2d 120, 132 (5th Cir. 1974).  The “grave danger” required to warrant an ETS is a risk 
greater than the “significant risk” that OSHA must show to promulgate a permanent standard 
under § 655(b) of the Act.  See Indus. Union Dep’t, 448 U.S. at 640 n.45.  But the ultimate 
determination of what precise level of risk constitutes a “grave danger” is a “policy consideration 
that belongs, in the first instance, to the Agency.”  Asbestos Info. Ass’n, 727 F.2d at 425 
(accepting OSHA’s determination that 80 lives at risk over six months was a grave danger). 
The Fifth Circuit’s conclusion, unadorned by precedent, that OSHA is “required to make 
findings of exposure—or at least the presence of COVID-19—in all covered workplaces” is 
simply wrong.  BST Holdings, 17 F.4th at 613 (emphasis in original).  If that were true, no 
hazard could ever rise to the level of “grave danger” because a risk cannot exist equally in every 
workplace and so the entire provision would be meaningless.  Almost fifty years ago, the Third 
Circuit quickly dismantled this argument: 
Industry petitioners argue that there must also be substantial evidence to support 
OSHA’s determination that employees are in fact being exposed to those harmful 
substances.  Although subsection 6(c)(1) readily lends itself to such a reading, that 
interpretation would render ineffective the provision for emergency temporary 
standards.  The purpose of subsection 6(c)(1) is to provide immediate protection 
in cases where there is a grave danger of harm to employees.  This necessarily 
requires rather sweeping regulation.  OSHA cannot be expected to conduct 
on-the-spot investigations of every user to determine if exposure is occurring.  
 
2This possibility has borne out with the Omicron variant. 
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In cases where OSHA determines that a substance is sufficiently harmful that a 
grave danger would be created by exposure, OSHA must be allowed to issue 
necessary regulations.  In other words exposure can be assumed to be occurring at 
any place where there is a substance that has been determined to be sufficiently 
harmful to pose a grave danger and where the regulations that have been 
determined to be necessary to meet that danger are not in effect.  This 
interpretation of subsection 6(c)(1) is supported by the existence of subsection 
6(d), which provides that any affected employer may obtain a variance from any 
standard if he can show that “the conditions, practices, means, methods, 
operations, or processes used or proposed to be used by an employer will provide 
employment and places of employment to his employees which are as safe and 
healthful as those which would prevail if he complied with the standard.” 
Dry Color Mfrs. Ass’n v. Dep’t of Labor, 486 F.2d 98, 102 n.3 (3d Cir. 1973) (emphasis added).  
Thus, OSHA is not required to investigate every business to show that COVID-19 is present in 
each workplace nor is it required to prove that every worker will experience the same risk of 
harm.3 
On this point, OSHA has demonstrated the pervasive danger that COVID-19 poses to 
workers—unvaccinated workers in particular—in their workplaces.  First, OSHA explains why 
the mechanics of COVID-19 transmission make our traditional workplaces ripe for the spread of 
the disease, putting workers at heightened risk of contracting it.  Transmission can occur “when 
people are in close contact with one another in indoor spaces (within approximately six feet for 
at least fifteen minutes)” or “in indoor spaces without adequate ventilation where small 
respiratory particles are able to remain suspended in the air and accumulate.”  86 Fed. Reg. at 
61,409.  Transmissibility is possible from those who are symptomatic, asymptomatic, or pre-
symptomatic, and variants are likely to be more transmissible.  Id.  American workplaces often 
require employees to work in close proximity—whether in office cubicles or shoulder-to-
shoulder in a meatpacking plant—and employees generally “share common areas like hallways, 
restrooms, lunchrooms[,] and meeting rooms.”  Id. at 61,411.  Evidence cited by OSHA 
 
3Our dissenting colleague argues that OSHA fails to satisfy the “grave danger” in the workplace limitation 
on its authority because it does not establish that “all covered employees have a high risk both of contracting 
COVID-19 and suffering severe consequences.”  (Dissent Op. at 49)  But this section on “Grave Danger” explains 
that OSHA is not required to show the presence of COVID-19 in every workplace industry by industry nor that 
every employee will be harmed in the same serious way by it.  Am. Dental Ass’n, 984 F.2d at 827 (holding that 
OSHA is not required to proceed “workplace by workplace”). 
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corroborates its conclusion:  scientific studies and findings prescribed by the CDC show that the 
nature of the disease itself provides significant cause for concern in the workplace.  Id. (citing 
studies). 
OSHA relied on public health data to support its observations that workplaces have a 
heightened risk of exposure to the dangers of COVID-19 transmission.  Many empirical, peer-
reviewed studies cited by OSHA have found that because of the characteristics of our workplace, 
“most employees who work in the presence of other people (e.g., coworkers, customers, visitors) 
need to be protected.”  86 Fed. Reg. at 61,412.  Reports produced by state public health 
organizations corroborate that finding.  See, e.g., id. at 61,413 (North Carolina Department of 
Health and Human Services reporting that “number of cases associated with workplace clusters 
began increasing in several different types of work settings, including meat processing, 
manufacturing, retail, restaurants, childcare, schools, and higher education.”); id. (Colorado 
Department of Public Health & Environment reporting similar outbreaks across many types of 
industries.); id. (Louisiana Department of Health, reporting that “[m]ore than three quarters of 
outbreaks through [August 24, 2021] were associated with workplaces.”).4 
Having established the risk to covered employees in the workplace, OSHA also set out 
evidence of the severity of the harm from COVID-19.  Apart from death, COVID-19 can lead to 
“serious illness, including long-lasting effects on health,” (now named “long COVID”).  Id. at 
61,410.  It has also “killed over 725,000 people in the United States in less than two years.”  Id. 
at 61,402.  The number of deaths in America has now topped 800,000 and healthcare systems 
across the nation have reached the breaking point.  COVID-19 affects individuals of all age 
groups; but on the whole “working age Americans (18-64 years old) now have a 1 in 14 chance 
of hospitalization when infected with COVID-19.”  Id. at 61,410.  The “severity is also likely 
exacerbated by long-standing healthcare inequities experienced by members of many racial and 
 
4Our dissenting colleague argues that OSHA fails to satisfy the grave danger “in the workplace” limitation 
on its authority because the Secretary did not specify how many employees would contract the virus at work and 
instead “calculated the number of people who happen to work who would, in any event, contract COVID-19.”  
(Dissent Op. at 51)  As shown in this section, however, OSHA presented substantial evidence both that the 
workplaces of virtually every industry across America present a heightened risk of COVID-19 exposure to 
employees and that a clear predominance of COVID-19 outbreaks come from workplaces. 
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economic demographics.”  Id.  Compounding matters, mutations of the virus become 
increasingly likely with every transmission, contributing to uncertainty and greater potential for 
serious health effects.  Id. at 61,409.  Based on this record, the symptoms of exposure are 
therefore neither “easily curable and fleeting” nor is the risk of developing serious disease 
speculative.  See Fla. Peach Growers, 489 F.2d at 132; Dry Color Mfrs. Ass’n, 489 F.2d at 106. 
OSHA further estimated that the standard would “save over 6,500 worker lives and 
prevent over 250,000 hospitalizations over the course of the next six months.”  Id. at 61,408.  
This well exceeds what the Fifth Circuit previously found to present a grave danger.  See 
Asbestos Info. Ass’n, 727 F.2d at 424 (assuming that 80 deaths over six months would constitute 
a grave danger).  As the death rate in America has continued to climb throughout 2021, those 
estimates may prove to be understated.  Bill Chappell, 800,000 Americans Have Died of 
COVID. Now 
the 
U.S. 
Braces 
for 
an 
Omicron-Fueled 
Spike, 
NPR 
(Dec. 
14, 
2021), https://www.npr.org/sections/coronavirus-live-updates/2021/12/14/1063802370/america-
us-covid-death-toll.  And where grave danger exists in a workplace, of course OSHA may 
consider the statistical proof on lives saved and hospitalizations prevented when issuing an ETS, 
even if the risk to individual workers varies within workplaces. 
A few Petitioners attack the veracity of some of the studies on which OSHA relies in its 
ETS or point to other studies that they claim contradict the studies on which OSHA relied.  But 
the court’s “expertise does not lie in technical matters.”  Pub. Citizen Health Rsch. Grp. v. Tyson, 
796 F.2d 1479, 1495 (D.C. Cir. 1986).  “[I]t is not infrequent that the available data do not settle 
a regulatory issue, and the agency must then exercise its judgment in moving from facts and 
probabilities on the record to a policy conclusion.”  Id.  (quoting Motor Vehicle Mfrs. Ass’n v. 
State Farm Mut. Auto. Ins. Co., 463 U.S. 29, 52 (1983)).  OSHA pointed to extensive scientific 
evidence, including studies conducted by the CDC, of the dangers posed by COVID-19.  We 
therefore cannot say that OSHA acted improperly in light of its clear reliance on “a body of 
reputable scientific thought.”  Indus. Union Dep’t., 448 U.S. at 656.  
The claim that COVID-19 exists outside the workplace and thus is not a grave danger in 
the workplace is equally unavailing.  As discussed above, OSHA routinely regulates hazards that 
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exist both inside and outside the workplace.  More to the point, OSHA here demonstrated with 
substantial evidence that the nature of the workplace—commonplace across the country and in 
virtually every industry—presents a heightened risk of exposure.  Union Petitioners illustrate this 
point as well.  Within one week in mid-November, Michigan had reported 162 COVID-19 
outbreaks, 157 of which were in workplaces;5 Tennessee reported 280 COVID-19 outbreaks, 
161 of which were in workplaces;6 Washington state reported 65 outbreaks, of which 58 were in 
workplaces.7  And other states similarly experienced outbreaks predominantly in the workplace.8  
COVID-19 is clearly a danger that exists in the workplace.  
Some Petitioners contend that COVID-19 is no longer a grave danger and claim that 
OSHA’s delay in promulgating the ETS is evidence that no grave danger exists.  As explained, 
however, OSHA provided its reasoning for the delay.  When the pandemic began, “scientific 
evidence about the disease” and “ways to mitigate it were undeveloped.”  86 Fed. Reg. at 61,429.  
At that point, OSHA chose to focus on nonregulatory options, and crafted workplace guidance 
“based on the conditions and information available to the agency at that time,” including that 
“vaccines were not yet available.”  Id. at 61,429–30.  The voluntary guidance, however, proved 
inadequate, and as employees returned to workplaces the “rapid rise to predominance of the 
Delta variant” meant “increases in infectiousness and transmission” and “potentially more severe 
health effects.”  Id. at 61,409–12.  
At the same time, the options available to combat COVID-19 changed significantly: the 
FDA granted approval to one vaccine on August 23, 2021, and testing became more readily 
available.  Id. at 61,431, 61,452.  These changes, coupled with the ongoing risk workers face of 
 
5Mich. Dep’t of Health & Human Servs., https://www.michigan.gov/coronavirus/0,9753,7-406-
98163_98173_ 102057---,00.html. 
6TN 
Dep’t 
of 
Health, 
https://www.tn.gov/content/dam/tn/health/documents/cedep/novel-
coronavirus/Critical IndicatorReport.pdf 
7Wash. 
Dep’t 
of 
Health, 
https://www.doh.wa.gov/Portals/1/Documents/1600/coronavirus/data-
tables/Statewide COVID-19 OutbreakReport.pdf. 
8Union Petitioners point to California, New Mexico, and Oregon as other states that illustrate significant 
outbreaks in a variety of workplaces. 
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contracting COVID-19, support OSHA’s conclusion that the time was ripe for OSHA to address 
the ongoing danger in the workplace through an ETS.  More importantly, we are not to second 
guess what the Agency considers a “risk worthy of Agency action” because that “is a policy 
consideration that belongs, in the first instance to the Agency.”  Asbestos Info. Ass’n, 727 F.2d at 
425.  Relying on the history of the pandemic, OSHA explained that “the agency cannot assume 
based on past experience that nationwide case levels will not increase again.”  96 Fed. Reg. at  
61,431.  That conclusion has proven correct, as we now see the rise of new and more 
transmissible variants and the resulting increases in COVID-19 cases.  See Centers for Disease 
Control and Prevention (CDC), Omicron Variant: What You Need to Know (Dec. 13, 2021), 
https://www.cdc.gov/coronavirus/2019-ncov/variants/omicron-variant.html.  And we know that 
in our nation, over 800,000 people have died in less than two years and the numbers continue to 
climb, with more of those deaths having occurred in 2021 than in 2020.  See Bill Chappell, 
supra. 
Based on the wealth of information in the 153-page preamble, it is difficult to imagine 
what more OSHA could do or rely on to justify its finding that workers face a grave danger in 
the workplace.  It is not appropriate to second-guess that agency determination considering the 
substantial evidence, including many peer-reviewed scientific studies, on which it relied.  Indeed, 
OSHA need not demonstrate scientific certainty.  As long as it supports it conclusion with 
“a body of reputable scientific thought,” OSHA may “use conservative assumptions in 
interpreting the data . . . , risking error on the side of overprotection rather than underprotection.”  
Indus. Union Dep’t, 448 U.S. at 656.   
iii.  Necessity 
To issue an ETS, OSHA is also required to show that the ETS is “necessary to protect 
employees from” the grave danger.  29 U.S.C. § 655(c)(1).  This standard is more demanding 
than the “reasonably necessary or appropriate” standard applicable to permanent standards.  See 
id. § 652(8); see also Indus. Union Dep’t, 448 U.S. at 615.  To pass muster, OSHA must 
demonstrate, by substantial evidence, that the regulation is essential to reducing the grave danger 
asserted.  See Dry Color, 486 F.2d at 105.  In addition, OSHA must address economic feasibility 
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because the ETS’s “protection afforded to workers should outweigh the economic consequences 
to the regulated industry.”  Asbestos Info. Ass’n, 727 F.2d at 423.  
Some Petitioners argue the word “necessity” mandates that OSHA’s standard may use 
only the means that are absolutely required to quell the grave danger.  Taken seriously, such a 
cramped reading of the statute would require OSHA to prognosticate an emergency and devise 
the most narrowly tailored ETS to entirely remove the grave danger from the workplace.  But in 
virtually every emergency situation that would require an ETS, no precaution proposed by 
OSHA could ever be 100 percent effective at quelling the emergency.  Courts have 
acknowledged this practical reality, explaining that ETS standards “may necessarily be 
somewhat general . . . .  It cannot be expected that every procedure or practice will be strictly 
necessary as to every substance, type of use, or plant operation.”  Dry Color Mfrs. Ass’n, Inc., 
486 F.2d at 105.  OSHA need only demonstrate that the solution it proposes “is necessary to 
alleviate a grave risk of worker deaths during [the ETS’s] six month term.”  Asbestos Info. Ass’n, 
727 F.2d at 427 (emphasis added).   
The dissent disagrees, contending that the Secretary must rule out alternatives to show 
why his proposed means are “indispensable,” pointing us to Asbestos Information Association.  
(Dissent Op. at 44)  But in that case, the Fifth Circuit found that OSHA’s determination of 
necessity for the proposed ETS was undercut by its existing regulation through which “much of 
the claimed benefit could be obtained.” 727 F.2d at 427.  The Fifth Circuit did not require that 
OSHA rule out every plausible alternative in devising its ETS because the critical question was 
whether OSHA’s current regulations were sufficient to address the problem.  See id.  To answer 
that question, the Secretary here cataloged OSHA’s actions involving COVID-19, starting with 
advisory guidance then moving to attempts to enforce its General Duty clause. 86 Fed. Reg. at 
61,444.  These actions were to no avail as COVID-19 transmission rates in the workplace 
continued to climb and COVID-19-related complaints continued to pour in, suggesting “a lack of 
widespread compliance.”  Id. at 61,445.  With nothing left at his disposal to curb the 
transmission in the workplace, the Secretary issued the ETS.  We find that this explanation 
satisfies the Secretary’s obligation. 
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Turning to assess the remaining evidence supporting OSHA’s necessity finding, OSHA 
explained that the pandemic in the United States has significantly changed course since the 
emergence of COVID-19 in early 2020, necessitating an ETS at this point in time.  In particular, 
the emergence of the Delta variant significantly increased transmission when reported cases had 
been dwindling for months.  The realities of the Delta variant significantly changed public health 
policy and underscored a need for issuing an ETS—not only to control the variant itself, but to 
control the spread of the disease to slow further mutations.  86 Fed. Reg. at 61,431–32.  
Recognizing this new reality, the Agency crafted an ETS with options for employers, noting that 
“employers in their unique workplace settings may be best situated to understand their workforce 
and strategies that will maximize worker protection while minimizing workplace disruptions.”  
Id. at 61,436. 
Regarding the vaccine component of the ETS, OSHA explained the importance of 
vaccination to combat the transmission of COVID-19 and relied upon studies demonstrating the 
“power of vaccines to safely protect individuals,” including from the Delta variant.  Id. at 61,432, 
61,450.  Extensive evidence cited by OSHA shows that vaccination “reduce[s] the presence and 
severity of COVID-19 cases in the workplace,” and effectively “ensur[es]” that workers are 
protected from being infected and infecting others.  Id. at 61,434, 61,520, 61,528–29 (citing 
studies).  Likewise, the face-covering-and-test facet of the ETS is similarly designed based on 
the scientific evidence to reduce the risk of transmission and infection of COVID-19.  Regular 
testing “is essential because SARS-CoV-2 infection is often attributable to asymptomatic or 
pre-symptomatic transmission.”  Id. at 61,438 (citing studies).  And wearing a face covering 
provides an additional layer of protection, designed to reduce “exposure to the respiratory 
droplets of co-workers and others[, and] . . . to significantly reduce the wearer’s ability to spread 
the virus.”  Id. at 61,439. 
Vaccinated employees are significantly less likely to bring (or if infected, spread) the 
virus into the workplace.  Id. 61,418–19.  And testing in conjunction with wearing a face 
covering “will further mitigate the potential for unvaccinated workers to spread the virus at the 
workplace.”  Id. at 61,439.  Based on the evidence relied on by OSHA, these measures will 
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“protect workers” from the grave dangers presented by COVID-19 in the workplace.  See 
29 U.S.C. § 655(c)(1).  And OSHA is required to minimize a grave danger, even if it cannot 
eliminate it altogether.  Nat’l Grain & Feed Ass’n v. Occupational Safety & Health Admin., 
866 F.2d 717, 737 (5th Cir. 1988).  
OSHA limited the ETS to coverage of 100 or more employees, based on four reasons.  
First, as a practical matter, those employers have the administrative and managerial capacity to 
be able to promptly implement and meet the standard.  Id. at 61,511.  Second, the coverage 
threshold is sufficiently expansive to ensure protection to meaningfully curb transmission rates to 
offset the impact of the virus.  Id.  Third, the ETS “will reach the largest facilities, where the 
most deadly outbreaks of COVID-19 can occur.”  Id.  And finally, the standard is consistent with 
size thresholds established in analogous congressional and agency decisions, including standards 
promulgated by the Equal Employment Opportunity Commission under Title VII of the Civil 
Rights Act of 1964, requirements under the Affordable Care Act (in allowing greater flexibility 
with its requirements for employers with 100 or fewer employees), and requirements under the 
Family Medical Leave Act (exempting compliance for employers with fewer than 50 employees 
given decreased administrative capacity and inability to easily accommodate such employee 
absences).  Id. at 61,513. 
 
Petitioners contend, relying on the Fifth Circuit’s decision, that the necessity of the ETS 
is undermined by the fact that it is both “overinclusive” and “underinclusive.”  Neither 
observation warrants a stay.  OSHA may lean “on the side of overprotection rather than 
underprotection” when promulgating an ETS.  Indus. Union Dep’t, 448 U.S. at 656.9  And 
OSHA is not required to proceed “workplace by workplace,” Am. Dental Ass’n, 984 F.2d at 827, 
in its ETS nor would it “be expected to conduct on-the-spot investigations,” Dry Color Mfrs. 
Ass’n Inc., 486 F.2d at 102 n.3.  To expect otherwise of OSHA would belie the whole point of an 
 
9The dissent contends that our citation is inapposite because it “did not review an emergency standard” and 
refers to the Secretary’s interpretation of data underlying a risk assessment.  (Dissent Op. at 47)  The language cited, 
however, addresses whether OSHA’s evidence supporting its estimation of a risk, which was the basis for the 
standard, was supported by substantial evidence.  Indus. Union Dep’t, 448 U.S. at 656.  Critically, the substantial 
evidence standard at issue there governs both emergency temporary standards and run-of-the-mill OSHA standards 
and is applicable here.  See 29 U.S.C. § 655(f).   
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emergency temporary standard, which demands that OSHA act quickly “to provide immediate 
protection” to workers facing a grave danger.  Id. at 105.  OSHA explored the dangers in varied 
workplaces and industries and concluded that “employees can be exposed to the virus in almost 
any work setting” and that employees routinely “share common areas like hallways, restrooms, 
lunchrooms[,] and meeting rooms” and are at risk of infection from “contact with coworkers, 
clients, or members of the public.”  86 Fed. Reg. at 61,411–12.  OSHA supported those 
conclusions by relying on peer-reviewed studies and data collected by government health 
departments.  But in any case, OSHA tailored the ETS by excluding workplaces where the risk is 
significantly lower, including those where employees are working exclusively outdoors, 
remotely from home, or where the employee does not work near any other individuals.  Id. at 
61,516.  
 
The argument that the ETS is overinclusive because it imposes requirements on some 
workers that are at lesser risk of death than others overlooks OSHA’s reasoning.  OSHA 
promulgated the ETS to prevent employees from transmitting the virus to other employees—that 
risk is not age-dependent.  See, e.g., id. at 61,403; 61,418–19; 61,435; 61,438.  OSHA found that 
unvaccinated workers in workplaces where they encountered other workers or customers faced a 
grave danger and that vaccination or testing and masking were necessary to protect those 
workers from COVID-19.  Those workers are in “a wide variety of work settings across all 
industries” thus counseling for the broad standard.  Id. at 61,411–12.  
 
That the ETS is underinclusive, as some Petitioners argue, suggests that OSHA has not 
done enough to eliminate the grave danger facing workers, and more workplace safeguards—not 
fewer—are needed to protect the workplace.  And OSHA explained that it chose a tailored 
threshold because those employers would be best positioned to actually effectuate the standard 
and their employees are more at risk.  Id. at 61,513 (“OSHA has set the threshold for coverage 
based primarily on administrative capacity for purposes of protecting workers as quickly as 
possible.”); id. at 61,512 (suggesting that “larger employers are more likely to have many 
employees gathered in the same location” and have “larger” and “longer” outbreaks).  
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OSHA also demonstrates that selecting larger employers means that the ETS reaches enough 
workers to make a meaningful difference in mitigating the risk.  Id. at 61,513. 
 
It has long been the case that an agency “is not required to identify the optimal threshold 
with pinpoint precision.  It is only required to identify the standard and explain its relationship to 
the underlying regulatory concerns.”  Nat’l Shooting Sports Found. v. Jones, 716 F.3d 200, 214 
(D.C. Cir. 2013) (quoting WorldCom, Inc. v. FCC, 238 F.3d 449, 461–62 (D.C. Cir. 2001)); see 
also Providence Yakima Med. Ctr. v. Sebelius, 611 F.3d 1181, 1191 (9th Cir. 2010); Williams-
Yulee v. Fla. Bar, 575 U.S. 433, 449 (2015) (noting that the government “need not address all 
aspects of a problem in one fell swoop”).  Courts are “generally unwilling to review line-drawing 
performed by the [agency] unless a petitioner can demonstrate that lines drawn . . . are patently 
unreasonable, having no relationship to the underlying regulatory problem.” Cassel v. FCC, 
154 F.3d 478, 485 (D.C. Cir. 1998) (alteration in original) (quoting Home Box Off., Inc. v. FCC, 
567 F.2d 9, 60 (D.C. Cir. 1977)).  OSHA’s ETS readily shows a relationship to the underlying 
regulatory problem—larger employers are better able to implement the policies, are at 
heightened risk, and regulating them will be a significant step in protecting the entire workforce 
from COVID-19 transmission.  And of course, agencies can later revise, refine, and broaden (or 
narrow) their regulations, but exigent circumstances allow there to be some reasonable discretion 
at the initial steps of promulgating a regulation.  See Forging Indus. Ass’n, 773 F.2d at 1454; 
United Steelworkers of Am., 647 F.2d at 1309–10 (D.C. Cir. 1980).   
 
Turning to the cost analysis, OSHA is not required to conduct a “formal cost-benefit 
analysis” before issuing an ETS.  Asbestos Info. Ass’n, 727 F.2d at 423 n.18 (reasoning that it is 
“unlikely” that “the agency would have time to conduct such an analysis” in the context of an 
emergency).  Congress recognized that OSHA standards would impose costs, but placed “the 
benefit of worker health above all other considerations save those making attainment of this 
benefit unachievable.”  Am. Textile Mfrs. Inst., 452 U.S. at 509.  The question is whether the 
standard is economically feasible.  United Steelworkers of Am., 647 F.2d at 1264.  An OSHA 
“standard is economically feasible if the costs it imposes do not ‘threaten massive dislocation 
to, or imperil the existence of, the industry.’”  Am. Iron & Steel Inst. v. Occupational Safety 
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& Health Admin., 939 F.2d 975, 980 (D.C. Cir. 1991) (quoting United Steelworkers of Am., 
647 F.2d at 1265).  OSHA must consider the costs in relation to the financial health of the 
affected industries or their impact on consumer prices.  United Steelworkers of Am., 647 F.2d at 
1265. 
Here, OSHA conducted a detailed economic analysis, concluding that the costs amounted 
to approximately 0.02 percent of the revenue of the average covered employer, or about $11,298 
per affected entity.  86 Fed. Reg. at 61,493–94.  “To put this into perspective, if the average firm 
decided to raise prices to cover the costs of the ETS, the price of a $100 product or service, for 
example, would have to be increased by 2 cents (during the six-month period).”  Id. at 61,499.  
These costs are modest in comparison to other standards OSHA has implemented.  See, e.g., 
United Steelworkers of Am., 647 F.2d at 1281 (estimating capital costs for primary lead smelters 
to comply with OSHA’s lead exposure standard to be between $32 million and $47 million).  
OSHA’s analysis, moreover, does not consider the economic harm a business will undergo if it is 
closed by a COVID-19 outbreak in its workplace—taking this into account would further show 
that the benefits will outweigh the costs of the ETS.  If the costs of implementation become too 
high for a single business, an employer can raise infeasibility or impossibility as a defense to any 
citation that OSHA may issue for violating the ETS.  29 C.F.R. § 2200.34(b)(3). 
 
Based on the substantial evidence referenced and relied upon by OSHA, there is little 
likelihood of success for the challenges against OSHA’s bases for issuing the ETS. 
4.  Constitutional Challenges 
We turn to the likelihood of success on the remaining constitutional arguments raised by 
the Petitioners and were presumed persuasive by the Fifth Circuit.10 
 
10Some Petitioners raise challenges regarding religious liberty.  The ETS states, “if the vaccination, and/or 
testing for COVID-19, and/or wearing a face covering conflicts with a sincerely held religious belief, practice or 
observance, a worker may be entitled to a reasonable accommodation.”  86 Fed. Reg. at 61,522.  Therefore, 
Petitioners are unlikely to succeed on their argument that the ETS infringes on religious liberty.  Regardless, their 
circumstance-specific arguments are premature and do not provide a basis to stay the entire ETS. 
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i.  Commerce Clause  
First, Petitioners raise challenges to the ETS under the Commerce Clause, directing us to 
the Fifth Circuit’s conclusion that the ETS “likely exceeds the federal government’s authority 
under the Commerce Clause because it regulates noneconomic inactivity that falls squarely 
within the States’ police power.”  BST Holdings, 17 F.4th at 617.  Relying on National 
Federation of Independent Business v. Sebelius, 567 U.S. 519, 522 (2012), the Fifth Circuit 
reasoned that “[a] person’s choice to remain unvaccinated and forego regular testing is 
noneconomic activity,” and falls within the States’ police power.  Id.  On that basis, the stay 
opinion summarily concluded that because the ETS “commandeers” employers to compel 
activity that falls within the States’ police power, it “far exceed[s] current constitutional 
authority.”  Id. 
 
Petitioners and the Fifth Circuit miss the mark.  The ETS regulates employers with more 
than 100 employees, not individuals.  It is indisputable that those employers are engaged in 
commercial activity that Congress has the power to regulate when hiring employees, producing, 
selling and buying goods, etc.  See NFIB, 567 U.S. at 550 (“The power to regulate commerce 
presupposes the existence of commercial activity to be regulated.”).  The ETS regulates 
economic activity by regulating employers. 
It has long been understood that regulating employers is within Congress’s reach under 
the Commerce Clause.  To hold otherwise would upend nearly a century of precedent upholding 
laws that regulate employers to effectuate a myriad of employee workplace policies.  See, e.g., 
United States v. Darby, 312 U.S. 100, 109, 114 (1941) (finding the Fair Labor Standards Act 
imposed a permissible use of government power when it set a minimum wage standard to 
prevent the production of goods “for interstate commerce, under conditions detrimental to the 
maintenance of the minimum standards of living necessary for health and general well-being”); 
United Steelworkers of Am., AFL-CIO v. Weber, 443 U.S. 193, 206 n.6 (1979) (finding proper 
use of the commerce power to bar employers from discriminating against employees on a 
protected ground under Title VII); NLRB v. Jones & Laughlin Steel Corp., 301 U.S. 1, 33 (1937) 
(finding proper use of commerce power to safeguard “the right of employees to self-organization 
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and to select representatives of their own choosing for collective bargaining or other mutual 
protection without restraint or coercion by their employer”).  These cases recognize, for example, 
that, a person’s choice to discriminate against another based on race is “noneconomic activity,” 
but the effect of that choice on the workplace and the flow of commerce in and from that 
workplace is economic—hence, it is subject to regulation under the Commerce Clause.  
Cf. Heart of Atlanta Motel, Inc. v. United States, 379 U.S. 241, 253 (1964) (finding 
“discrimination by hotels and motels impedes interstate travel”). 
 
That principle was at the heart of the Supreme Court’s decision in NLRB v. Jones & 
Laughlin Steel, 201 U.S. 1 (1927).  There, the Court emphasized that to determine the Commerce 
Clause’s applicability, we focus on the “effect upon commerce, not the source of the injury,” 301 
U.S. at 32, and that Congress may legislate under the Commerce Clause to ensure the safety of 
commerce, id. at 37.  When industries occupy a “national scale,” moreover, Congress may 
protect interstate commerce from “paraly[sis].”  Id. at 41.  COVID-19’s paralyzing effect on 
commerce has been repeatedly demonstrated throughout the pandemic.  See, e.g., U.S. Bureau of 
Labor 
Statistics, 
TED: 
The 
Economics 
Daily 
(July 
8, 
2021), 
https://www.bls.gov/opub/ted/2021/6-2-million-unable-to-work-because-employer-closed-or-
lost-business-due-to-the-pandemic-june-20 21.htm.   
 
This also demonstrates why NFIB v. Sebelius is inapposite.  In NFIB, the Supreme Court 
considered challenges to the Affordable Care Act’s individual mandate.  567 U.S. at 539.  
Critically, and fatal to the Fifth Circuit’s point, the Affordable Care Act contains two separate 
types of mandates: the individual mandate to direct individuals to purchase health insurance—at 
issue in NFIB—and the employer mandate—not at issue in NFIB.  See 26 U.S.C. § 4980H.  A 
plurality of five Justices questioned whether the Commerce Clause gave Congress the power to 
mandate that people engage in economic activity to sustain the individual mandate.  See NFIB, 
567 U.S. at 547–58.  But no Justice doubted that Congress could, under the Commerce Clause, 
require employers to provide health insurance to their employees.  So too here.   
 
Citing Zucht v. King, 260 U.S. 174 (1922), and Jacobson v. Massachusetts, 197 U.S. 11 
(1905), Petitioners and the Fifth Circuit contend that the ETS “falls squarely within the States’ 
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police powers.”  BST Holdings, 17 F.4th at 617.  But those cases concerned challenges to state 
vaccine requirements under the Fourteenth Amendment, not federalism questions over whether 
states or the federal government can impose such a requirement.  If the suggestion here is that the 
federal and state regulatory powers over economic activity are mutually exclusive, the Supreme 
Court rejected that argument in Willson v. Black Bird Creek Marsh Co., 27 U.S. 245, 251–52 
(1829) (holding an act empowering the State’s construction of a dam that obstructed an interstate 
walkway is not “repugnant to the power to regulate commerce in its dormant state”).  To be sure, 
there are numerous areas—for example, education—in which States and the federal government 
have overlapping authority.  But that states may regulate COVID-19 safety measures does not 
operate to preclude the federal government from doing so.   
 
Finally, Congress already addressed the issue when it passed the OSH Act, expressing its 
intention to preempt state and local standards that conflict with OSHA standards.  See Gade, 
505 U.S. at 98–99 (holding that “nonapproved state regulation of occupational safety and health 
issues for which a federal standard is in effect is impliedly preempted” by OSHA’s standard).  
Hazards are often regulated by both OSHA and state agencies, such as exposure to lead.  But 
overlap does not limit the authority Congress granted to OSHA to regulate the same risk of 
exposure. 
 
For the foregoing reasons, the Commerce Clause challenges do not have a meaningful 
likelihood of success. 
ii.  Non-Delegation Doctrine 
 
Relying on the Fifth Circuit’s decision, Petitioners cast constitutional doubt on the ETS 
by questioning Congress’s delegation of authority to OSHA when it passed the OSH Act.  The 
Fifth Circuit cursorily concluded that Congress cannot “authorize a workplace safety 
administration in the deep recesses of the federal bureaucracy to make sweeping pronouncement 
on matters of public health affecting every member of society in the profoundest of ways.”  BST 
Holdings, 17 F.4th at 611.  That contention never specifies which provision of the OSH Act is an 
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improper delegation.  We therefore construe its analysis in line with the Petitioners’ arguments 
that 29 U.S.C. § 655(c)(1) constitutes an improper delegation.  
 
The Supreme Court has only twice invoked the non-delegation doctrine to strike down a 
statute.  See Panama Refin. Co. v. Ryan, 293 U.S. 388, 430 (1935); A.L.A. Schechter Poultry 
Corp. v. United States, 295 U.S. 495, 542 (1935).  In Gundy v. United States, the Supreme Court 
stated that, “[t]he nondelegation doctrine bars Congress from transferring its legislative power to 
another branch of Government.”  139 S.Ct. 2116, 2121 (2019) (plurality opinion).  “But the 
Constitution ‘does not deny[] to the Congress the necessary resources of flexibility and 
practicality [that enable it] to perform its function[s].”  Id. at 2123 (alterations in original) 
(quoting Yakus v. United States, 321 U.S. 414, 425 (1944)) (alterations in original).  To the 
contrary, Congress “may confer substantial discretion on executive agencies to implement and 
enforce the laws.”  Id. (citing Mistretta v. United States, 488 U.S. 361, 372 (1989)).  A statutory 
delegation is therefore constitutional as long as “Congress ‘lay[s] down by legislative act an 
intelligible principle to which the person or body authorized to [exercise the delegated authority] 
is directed to conform.’”  Id. (quoting Mistretta, 488 U.S. at 372) (alterations in original).  The 
starting and often ending point for the analysis is “statutory interpretation”:  We must “constru[e] 
the challenged statute to figure out what task it delegates and what instructions it provides” and 
then “decide whether the law sufficiently guides executive discretion to accord with Article I.”  
Id. at 2124. 
 
The Supreme Court has long recognized the power of Congress to delegate broad swaths 
of authority to executive agencies under this standard and has ultimately concluded that 
extremely broad standards will pass review.  See id. at 2129.  How broad?  Delegations to 
regulate in the “public interest,” Nat’l Broad. Co. v. United States, 319 U.S. 190, 216 (1943), to 
set “fair and equitable prices,” Yakus, 321 U.S. at 427, and to issue air quality standards 
“requisite to protect the public health,” Whitman v. Am. Trucking Ass’n, 531 U.S. 457, 472 
(2001).  See Gundy, 139 S. Ct. at 2129 (collecting sources). 
 
Our extensive discussion of the statutory framework of the OSH Act above starts and 
ends the inquiry.  OSHA’s statutory authority to issue standards is found in 29 U.S.C. § 655.  
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Specific authorization is in § 655(c)(1) and requires the Secretary to promulgate “emergency 
temporary standards,” when he determines that employees are in “grave danger” from exposure 
to a workplace hazard and that the standard is “necessary to protect the employees from such 
danger.”  As shown above, it is well-established that the scope of the OSH Act and OSHA’s 
authority include infectious diseases in the workplace, even when those diseases also exist 
outside the workplace.  Therefore, Congress applied an “intelligible principle” when it directly 
authorized OSHA to exercise this delegated authority in particular circumstances.  The Supreme 
Court long ago recognized this authority:  “The [Occupational Safety and Health] Act delegates 
broad authority to the Secretary to promulgate different kinds of standards.”  Indus. Union Dep’t, 
448 U.S. at 611. 
There is little possibility of success under the non-delegation doctrine.  
C.  Irreparable Harm 
The foregoing analysis shows that Petitioners cannot establish a likelihood of success on 
the merits, and this reason alone is sufficient to dissolve the stay.  Nken, 556 U.S. at 433–34.  We 
also conclude, however, that Petitioners have not shown that any injury from lifting the stay 
outweighs the injuries to the Government and the public interest. 
To merit a stay, Petitioners bear the burden to demonstrate an irreparable injury; “simply 
showing some ‘possibility of irreparable injury’ fails to satisfy the second factor.”  Nken, 
556 U.S. at 434–35 (quoting Abbassi v. INS, 143 F.3d 513, 514 (9th Cir. 1998)).  Moreover, 
because this case involves the Government as an opposing party, the third and fourth factors 
“merge.”  Id. at 435.  The Fifth Circuit failed to analyze any harm to OSHA, instead baldly 
concluding that a stay will “do OSHA no harm whatsoever.” BST Holdings, 17 F.4th at 618.  
We engage in our own balancing of the parties’ harm.  
 
The injuries Petitioners assert are entirely speculative.  First, some Petitioners assert that 
compliance costs will be too high.  As detailed in the preceding section, these assertions ignore 
the economic analysis OSHA conducted that demonstrates the feasibility of implementing the 
ETS.  To the extent that a business with over 100 employees impacted at this stage of the ETS 
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faces true impossibility of implementation, it can assert that as an affirmative defense in response 
to a citation.  29 C.F.R. § 2200.34(b)(3).  Relying on employee declarations, other Petitioners 
claim that they will need to fire employees, suspend employees, or face employees who quit over 
the standard.  These concerns fail to address the accommodations, variances, or the option to 
mask-and-test that the ETS offers.  For example, employers that are confident that they can keep 
their employees safe using alternative measures can seek a variance from the standard pursuant 
to 29 U.S.C. § 655(d).  Or employers may choose to comply with the standard by enforcing the 
mask-and-test component, which are entirely temporary in nature and do not create irreparable 
injuries.  These provisions of the ETS undercut any claim of irreparable injury.   
 
By contrast, the costs of delaying implementation of the ETS are comparatively high.  
Fundamentally, the ETS is an important step in curtailing the transmission of a deadly virus that 
has killed over 800,000 people in the United States, brought our healthcare system to its knees, 
forced businesses to shut down for months on end, and cost hundreds of thousands of workers 
their jobs.  In a conservative estimate, OSHA finds that the ETS will “save over 6,500 worker 
lives and prevent over 250,000 hospitalizations” in just six months.  86 Fed. Reg. 61,402, 
61,408.  A stay would risk compromising these numbers, indisputably a significant injury to the 
public.  The harm to the Government and the public interest outweighs any irreparable injury to 
the individual Petitioners who may be subject to a vaccination policy, particularly here where 
Petitioners have not shown a likelihood of success on the merits.  See Coleman v. Paccar, Inc., 
424 U.S. 1301, 1307–08 (1976). 
 
In light of the foregoing, we find that the factors regarding irreparable injury weigh in 
favor of the Government and the public interest.  
III.  CONCLUSION 
For the foregoing reasons, we GRANT the Government’s motion and DISSOLVE the 
stay issued by the Fifth Circuit. 
 
 
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_________________ 
CONCURRENCE 
_________________ 
GIBBONS, Circuit Judge, concurring.  I agree that the government’s motion to dissolve 
the stay should be granted and concur fully in Judge Stranch’s opinion.  I write separately to note 
the limited role of the judiciary in this dispute about pandemic policy.  Petitioners and various 
opinions discuss at length how OSHA could have handled the pandemic’s impact on places of 
employment differently.  Some of the writings include sweeping pronouncements about 
constitutional law and the scope of OSHA’s statutory authority.  Much of this writing is 
untethered from the specific facts and issues presented here and overlooks the limited nature of 
our role. 
Reasonable minds may disagree on OSHA’s approach to the pandemic, but we do not 
substitute our judgment for that of OSHA, which has been tasked by Congress with policy-
making responsibilities.  See Charles D. Bonnano Linen Serv., Inc. v. NLRB, 454 U.S. 404, 418 
(1982).  This limitation is constitutionally mandated, separating our branch from our political co-
branches.  “[F]ederal judges—who have no constituency—have a duty to respect legitimate 
policy choices made by those who do.”  Chevron, U.S.A., Inc. v. NRDC, Inc., 467 U.S. 837, 866 
(1984).  Beyond constitutional limitations, the work of an agency, often scientific and technical 
in nature, is outside our expertise.  See Kisor v. Wilkie, 139 S. Ct. 2400, 2413 (2019). 
Our only responsibility is to determine whether OSHA has likely acted within the bounds 
of its statutory authority and the Constitution.  As it likely has done so, I concur. 
 
 
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_________________ 
DISSENT 
_________________ 
LARSEN, Circuit Judge, dissenting.  As the Supreme Court has very recently reminded 
us, “our system does not permit agencies to act unlawfully even in pursuit of desirable ends.”  
Ala. Ass’n of Realtors v. Dep’t of Health & Hum. Servs., 141 S. Ct. 2485, 2490 (2021).  The 
majority’s theme is that questions of health science and policy lie beyond the judicial ken.  
I agree.  But this case asks a legal question:  whether Congress authorized the action the agency 
took.  That question is the bread and butter of federal courts.  And this case can be resolved using 
ordinary tools of statutory interpretation and bedrock principles of administrative law.  These tell 
us that petitioners are likely to succeed on the merits, so I would stay OSHA’s emergency rule 
pending final review. 
I. 
The majority opinion describes the emergency rule at issue here as permitting employers 
“to determine for themselves how best to minimize the risk of contracting COVID-19 in their 
workplaces.”  Maj. Op. at 7.  With respect, that was the state of federal law before the rule, not 
after. 
Here is what the emergency rule does.  It binds nearly all employers with 100 or more 
employees,1 and requires them to “establish, implement, and enforce a written mandatory 
vaccination policy.”  29 C.F.R. § 1910.501(b)(1), (d)(1).  It covers all employees, part-time, full-
time, and seasonal, except for those who work exclusively from home, outdoors, or alone.  Id. 
 
1The rule exempts employers covered by two different federal rules:  the federal contractors and 
subcontractors already subject to a vaccine mandate and healthcare workers subject to OSHA’s June 2021 
emergency standard.  29 C.F.R. § 1910.501(b)(2).  The latter rule required healthcare employers to adopt a COVID-
19 protection plan and encouraged vaccination but did not impose a vaccinate-or-test mandate.  Id. § 1910.502.  In 
addition, neither “the United States . . . [n]or any State or political subdivision of a State” is a covered “employer.”  
29 U.S.C. § 652(5).  Several states say that they nonetheless will be forced to comply with the standard because they 
have adopted their own OSHA plans pursuant to 29 U.S.C. § 667.  Such plans must be “at least as effective in 
providing safe and healthful employment and places of employment as the standards promulgated under section 
655.”  Id. § 667(c)(2). 
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§ 1910.501(b)(3).  Employees must “be fully vaccinated,” unless they qualify for medical or 
religious exemptions or reasonable accommodations.  Id. § 1910.501(c).  While vaccines are free 
to the public, employers must provide employees with paid time off both to secure the vaccine 
and to recover from any side effects.  Id. § 1910.501(f). 
An employer may instead permit unvaccinated employees to undergo weekly COVID-19 
testing and wear a mask in the workplace.  Id. § 1910.501(d)(2), (g)(1), (i)(1).  But OSHA 
consciously designed this exception to be less palatable to employers and employees.  The 
agency expects that employers who adopt a mandatory-vaccination policy will “enjoy 
advantages,” including fewer “administrative burden[s],” than employers who permit the mask-
and-test exception.  86 Fed. Reg. at 61,437.  And even if an employer elects to take on these 
additional burdens, it need not absorb the cost of masks and tests, nor provide time off (paid or 
otherwise) to secure them.  Id. § 1910.501(d)(2), (g)(1) n.1.  This, despite the fact that OSHA’s 
ordinary regulations require employers to pay for agency-mandated equipment, tests, and exams.  
See Employer Payment for Personal Protective Equipment, 72 Fed. Reg. 64,341, 64,342 (Nov. 
15, 2007); 86 Fed. Reg. at 61,532 (noting OSHA “has commonly required” employers to pay for 
protective equipment); 29 C.F.R. § 1910.1030(d)(3)(i), (f)(1)(ii) (Hepatitis B equipment and 
testing “at no cost”); id. § 1910.1018(j)(1), (n)(1)(ii) (same for arsenic); id. § 1910.1001(h)(1), 
(l)(1)(ii)(A) (same for asbestos); Sec’y of Lab. v. Beverly Healthcare-Hillview, 541 F.3d 193, 
200–01 (3d Cir. 2008) (OSHA’s interpretation of “at no cost” includes compensation for testing 
time and travel expenses).  Indeed, OSHA required employers to provide COVID-19 tests “at no 
cost” to employees under its earlier healthcare ETS.  See 29 C.F.R. § 1910.502(l)(1)(ii).  OSHA 
was candid about why it deviated from its normal rule:  Putting the onus on employees “will 
provide a financial incentive . . . to be fully vaccinated.”  86 Fed. Reg. at 61,437.  The rule, in 
sum, is a mandate to vaccinate or test. 
One more background point:  The purpose of the mandate is to protect unvaccinated 
people.  Id. at 61,419.  The rule’s premise is that vaccines work.  Id.  And so, OSHA has 
explained that the rule is not about protecting the vaccinated; they do not face “grave danger” 
from working with those who are not vaccinated.  Id. at 61,434.   
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The various monitoring and reporting duties required by the mandate were to go into 
effect on December 6, 2021.  29 C.F.R. § 1910.501(m)(2)(i).  And employees were required to 
be fully vaccinated or comply with mask-and-test requirements (if available) by January 4, 2022.  
Id. § 1910.501(m)(2)(ii).  The United States Court of Appeals for the Fifth Circuit stayed the 
enforcement of the vaccinate-or-test mandate.  BST Holdings, LLC v. Occupational Safety 
& Health Admin., 17 F.4th 604 (5th Cir. 2021).  After a multi-circuit lottery held pursuant to 
28 U.S.C. § 2112(a)(3), this court obtained jurisdiction over all petitions challenging the mandate 
filed throughout the country.  OSHA has now moved to dissolve the stay entered by the Fifth 
Circuit.2 
II. 
A.  Likelihood of Success on the Merits 
In this case, a multitude of petitioners—individuals, businesses, labor unions, and state 
governments—have levied serious, and varied, charges against the mandate’s legality.  They say, 
for example, that the mandate violates the nondelegation doctrine, the Commerce Clause, and 
substantive due process; some say that it violates their constitutionally protected religious 
liberties and the Religious Freedom Restoration Act of 1993.  To lift the stay entirely, we would 
have to conclude that not one of these challenges is likely to succeed.  A tall task.  To keep the 
stay, however, there is no need to resolve each of these questions; the stay should remain if we 
conclude that petitioners are likely to succeed on just one ground.  In my view, the petitioners 
have cleared this much lower bar on even the narrowest ground presented here:  The Secretary of 
Labor lacks statutory authority to issue the mandate.  So the most important factor supporting the 
stay is satisfied.  See Tiger Lily, LLC v. U.S. Dep’t of Hous. & Urb. Dev., 992 F.3d 518, 524 (6th 
Cir. 2021). 
 
2Petitioners moved for initial en banc hearing, which this court denied.  In re MCP No. 165, No. 21-7000, 
2021 WL 5914024, at *1 (6th Cir. Dec. 15, 2021).  I would have granted the petitions regardless of the merits of the 
case.  Given the unique nature of these consolidated proceedings, I thought it preferable to enlist the talents of all 
sixteen active judges.  This panel agreed that the work of the en banc court was separate from the work of this panel 
and that the orders and opinions from each should issue as soon as they were ready. 
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1.  Statutory Authority 
OSHA cannot act without a source of authority.  The ordinary way to bring about a rule 
affecting the people’s health and safety is for a state legislature, or sometimes Congress, to pass 
one into law.  Because the legislature “wields the formidable power of ‘prescrib[ing] the rules by 
which the duties and rights of every citizen are to be regulated,’” it is, by design, the branch of 
government “most responsive to the will of the people.”  Tiger Lily, LLC v. U.S. Dep’t of 
Housing & Urb. Dev., 5 F.4th 666, 674 (6th Cir. 2021) (Thapar, J., concurring) (quoting The 
Federalist No. 78, at 465 (Alexander Hamilton) (Clinton Rossiter ed., 1961)). 
But there is a workaround.  “In the modern administrative state, many ‘laws’ emanate not 
from Congress but from administrative agencies, inasmuch as Congress has seen fit to vest broad 
rulemaking power in the executive branch.”  Cmty. Nutrition Inst. v. Young, 818 F.2d 943, 951 
(D.C. Cir. 1987) (Starr, J., concurring in part and dissenting in part).  To preserve at least a 
modicum of democratic protections, Congress created the notice-and-comment requirements of 
the Administrative Procedure Act (APA), which provide public notice of a proposed rule and an 
opportunity for the public to express its concerns.  Id.  Whether successful or not, the aim is to 
ensure “that agency ‘rules’ are also carefully crafted (with democratic values served by public 
participation) and developed only after assessment of relevant considerations.”  Id. 
Consistent with this scheme, Congress delegated to OSHA the authority to promulgate 
“occupational safety or health standard[s]” that are “reasonably necessary or appropriate” to 
address a “significant risk” of harm in the workplace.  See Indus. Union Dep’t, AFL-CIO v. Am. 
Petroleum Inst., 448 U.S. 607, 642–43 (1980); 29 U.S.C. §§ 652(8), 655(b).  Those standards 
must go through a notice-and-comment procedure.  29 U.S.C. § 655(b) (prescribing procedures 
similar to those of the APA). 
This case, though, involves yet a more truncated process.  Congress understood that 
emergencies might arise, and so it provided the Secretary with authority to bypass the public and 
the deliberative process, and to issue emergency temporary standards that “take immediate effect 
upon publication” and remain effective for six months.  Id. § 655(c)(1), (c)(3).  Because this is 
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such a departure from the ordinary processes, federal courts have recognized this authority as the 
“most dramatic weapon in [OSHA’s] enforcement arsenal.”  Asbestos Info. Ass’n/N. Am. v. 
Occupational Safety & Health Admin., 727 F.2d 415, 426 (5th Cir. 1984).  It is an 
“[e]xtraordinary power” that “should be delicately exercised, and only in those emergency 
situations which require it.”  Fla. Peach Growers Ass’n, Inc. v. Dep’t of Lab., 489 F.2d 120, 
129–30 (5th Cir. 1974); see also Pub. Citizen Health Rsch. Grp. v. Auchter, 702 F.2d 1150, 1155 
(D.C. Cir. 1983) (“[E]mergency standards are to be used only in limited situations” and “only as 
an unusual response to exceptional circumstances.” (quotation marks omitted)). 
Perhaps wary of misusing such immense authority, OSHA has rarely invoked it.  The 
agency has issued only ten previous emergency standards in the half-century that it has held that 
power.  Six of those were challenged in court; five were struck down.  BST Holdings, 17 F.4th at 
609. 
Congress too was wary of conferring this authority, “repeatedly express[ing] its concern 
about allowing the Secretary to have too much power” in this area.  Indus. Union, 448 U.S. at 
651.  Accordingly, Congress “narrowly circumscribed” the Secretary’s ability to use this 
considerable tool.  Id.  Before the Secretary may issue an emergency standard, he must 
“determine[] (A) that employees are exposed to grave danger from exposure to substances or 
agents determined to be toxic or physically harmful or from new hazards, and (B) that such 
emergency standard is necessary to protect employees from such danger.”3  29 U.S.C § 655(c)(1) 
(emphases added). 
So the Secretary’s emergency authority extends no further than to issue temporary 
standards that are (1) necessary to protect employees from (2) grave danger.  And because the 
Secretary’s authority is to set “occupational safety and health standards,” governing 
“employment and places of employment,” the danger to be regulated must come from 
 
3I assume here that the virus that causes COVID-19 constitutes a “substance[] or agent[] determined to be 
toxic or physically harmful” or a “new hazard,” within the meaning of § 655(c)(1).  Even if so, OSHA lacked 
authority to issue the rule. 
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(3) “exposure” in the workplace.  29 U.S.C. §§ 652(8), 655(c)(1); Indus. Union, 448 U.S. at 612.  
I doubt the Secretary has met this test. 
a.  Necessary 
The Secretary has not made the appropriate finding of necessity.  An emergency standard 
must be “necessary to protect employees from [grave] danger.”  29 U.S.C. § 655(c)(1).  
“Necessary,” in the legal vernacular, is a tailoring word.  It asks how closely, or how loosely, a 
regulatory solution must fit a particular problem.  Sometimes “necessary” means simply 
“useful.”  Necessary, Black’s Law Dictionary (5th ed. 1979).  In those instances, the government 
may impose solutions that it thinks might help the problem, even if it ends up regulating a good 
deal more than it really needs to.  At other times, though, “necessary” means “indispensable.”  
American Heritage Dictionary of the English Language 877 (1976).  Then, the government must 
stitch together its solution with more precision, regulating only as much as is critical to its 
mission.  Every American law student will be familiar with these dueling meanings of 
“necessary,” prominently displayed in McCulloch v. Maryland, 17 U.S. (4 Wheat.) 316 (1819).  
There, as here, the choice between meanings is revealed by context. 
Consider first the textual differences between a permanent OSHA standard and an 
emergency one.  A permanent standard, issued after public notice and comment, need be only 
“reasonably necessary or appropriate” to address the problem at hand.  29 U.S.C. § 652(8); see 
Indus. Union, 448 U.S. at 642–43.  But when conferring emergency authority on the Secretary, 
Congress shaved that down to “necessary.”  An emergency measure must, therefore, be more 
than “reasonably” needful; it must be closer to “indispensable.”  Cf. McCulloch, 17 U.S. (4 
Wheat.) at 413–15.  And then consider context.  The Supreme Court has already said that 
Congress “narrowly circumscribed” the Secretary’s authority to issue emergency standards.  
Indus. Union, 448 U.S. at 651 & n.59.  It follows that, in this context especially, “necessary” 
must be read as a word of limitation, not enlargement.  Cf. McCulloch, 17 U.S. (4 Wheat.) at 
420. 
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The majority opinion initially agrees with this statutory construction point.  It notes that 
an emergency standard must be more than “reasonably necessary”; it must be “essential.”  Maj. 
Op. at 25.  But then that word, and the concept, disappear from the analysis.  What starts as a 
demand for an “essential” solution, quickly turns into acceptance of any “effective” or 
“meaningful[]” remedy, id. at 26–30; and later, acquiescence to a solution with a mere 
“reasonable” “relationship” to the problem, id. at 30.  The majority opinion never explains why 
“necessary” undergoes such a metamorphosis. 
While the majority opinion starts with the right read on the statute, the Secretary seems to 
have missed this point altogether.  He made no finding that the emergency rule is “necessary” in 
any sense even approaching “indispensable.”  We cannot uphold a rule based on a finding the 
agency never made.  S.E.C. v. Chenery Corp., 318 U.S. 80, 87 (1943). 
What the Secretary did say is that the agency’s existing regulatory tools and “non-
mandatory guidance” were insufficient.  86 Fed. Reg. at 61,440, 61,444.  In other words, OSHA 
believed there was a problem to be solved.  But the statute requires OSHA to find that the 
solution it actually picked—the nationwide vaccinate-or-test mandate—was “necessary” to solve 
the problem.4  See 29 U.S.C § 655(c)(1); see also Asbestos Info., 727 F.2d at 426–27 (OSHA 
failed to show that an emergency standard was “necessary” when other means were available “to 
achieve the projected benefits.”).  OSHA never makes that case.  Like the majority opinion, the 
Secretary focused on explaining why his solution will be effective.  86 Fed. Reg. at 61,434–39.  
But that is not enough.  Many over-broad solutions might work; but they would not be a 
“necessary,” or “indispensable,” means of curing the ill. 
 
4The statute requires the Secretary to find that “such” emergency standard is necessary.  29 U.S.C. 
§ 655(c)(1).  In other words, he must find that this solution—the vaccinate-or-test mandate—is indispensable.  The 
majority opinion suggests that the Secretary’s duty would be fulfilled if he found simply that “an” emergency 
standard (whatever its content) is necessary.  Maj. Op. at 6; id. at 26 (citing Asbestos Info., 727 F.2d at 427).  That 
reading is inconsistent with the statutory text.   
To the extent that the majority reads my opinion to say that an emergency standard must remove the grave 
danger from the workplace entirely, that is a misread.  I do not read “necessary” to require total elimination of the 
harm.   
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To illustrate (without intending to trivialize) OSHA’s task, consider the danger from fire 
in a workplace:  a pizzeria.  One way to protect the workers would be to require all employees to 
wear oven mitts all the time—when taking phone orders, making deliveries, or pulling a pizza 
from the flames.  That would be effective—no one would be burned—but no one could think 
such an approach necessary.  What OSHA’s rule says is that vaccines or tests for nearly the 
whole American workforce will solve the problem; it does not explain why that solution is 
necessary. 
Bedrock principles of administrative law also support this point.  It is a “quintessential 
aspect[] of reasoned decisionmaking” that an agency explore “common and known or otherwise 
reasonable options” and “explain any decision to reject” them.  Int’l Ladies’ Garment Workers’ 
Union v. Donovan, 722 F.2d 795, 818 (D.C. Cir. 1983); see also Dist. Hosp. Partners, LP v. 
Burwell, 786 F.3d 46, 58–59 (D.C. Cir. 2015) (holding an agency action arbitrary and capricious 
for failing to explain inconsistencies in the agency’s own data when the data revealed a 
“significant and viable and obvious” alternative that the agency failed to consider (quoting Nat’l 
Shooting Sports Found., Inc. v. Jones, 716 F.3d 200, 215, 405 (D.C. Cir. 2013)).  Emergency 
decisionmaking may lessen, but does not relieve, the agency of this basic responsibility.  While a 
temporary measure may require “further refinement in the subsequent permanent standard,” the 
agency should “not overlook those obvious distinctions . . . that make certain regulations that are 
appropriate in one category of cases entirely unnecessary in another.”  Dry Color Mfrs.’ Ass’n v. 
Dep’t of Lab., 486 F.2d 98, 105 (3d Cir. 1973); see also id. at 107 (Emergency standard must 
explain “the alternative kinds of regulations considered by OSHA.”). 
OSHA’s mandate applies, in undifferentiated fashion, to a vast swath of Americans:  84 
million workers, 26 million unvaccinated, with varying levels of exposure and risk.  86 Fed. Reg. 
at 61,424.  The burden is on “the agency to articulate rationally why the rule should apply to a 
large and diverse class.”  United States v. Nova Scotia Food Prods. Corp., 568 F.2d 240, 252 (2d 
Cir. 1977).  The agency does not do so. 
And it is easy to envision more tailored solutions OSHA could have explored.  It might, 
for example, have considered a standard aimed at the most vulnerable workers; or an exemption 
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for the least.  The government’s own data show that unvaccinated workers between the ages of 
18 and 29 bear a risk roughly equivalent to vaccinated persons between 50 and 64.  See Ctr. for 
Disease Control, Rates of COVID-19 Cases and Deaths by Vaccination Status (last visited Dec. 
16, 
2021), 
https://covid.cdc.gov/covid-data-tracker/#rates-by-vaccine-status; 
https://perma.cc/8SU2-SVLZ.  Or it might have considered a standard aimed at specific 
industries or types of workplaces with the greatest risk of COVID-19 exposure.  Congress told 
the Secretary to “give due regard” to the need for standards “for particular industries” and types 
of “workplaces or work environments.”  29 U.S.C. § 655(g).  And OSHA acknowledges that 
death rates are higher in “[c]ertain occupational sectors,” 86 Fed. Reg. at 61,415; yet its rule 
never considers what results would obtain from targeting those sectors alone.  Would these, or 
other alternatives, have achieved similar results?  We do not know because OSHA did not ask. 
OSHA counters that given the COVID-19 emergency, rough-cut mandates are the best it 
can do.  I see two problems with OSHA’s assertion.  First, even an emergency standard must 
consider “obvious distinctions” among those it regulates.  Dry Color, 486 F.2d at 105.  Here, 
there are many, none reflected in the emergency rule.  Second, the agency’s claim of emergency 
rings hollow.  It waited nearly two years since the beginning of the pandemic and nearly one year 
since vaccines became available to the public to issue its vaccinate-or-test mandate.  The agency 
does not explain why, in that time, it could not have explored more finely tuned approaches. 
The majority opinion contends that to require more of OSHA would contradict the point 
of an emergency standard.  But it offers no support for this proposition.  It cannot be found in the 
text of § 655 itself.  Indeed, as discussed, the only distinction apparent from the statutory text is 
that emergency standards should be more tailored to the problem, not less.  The majority cites 
Industrial Union for the proposition that “OSHA may lean ‘on the side of overprotection rather 
than underprotection’ when promulgating an ETS.”  Maj. Op. at 28 (quoting Indus. Union, 
448 U.S. at 656).  But that case did not review an emergency standard, and in any event, the 
quoted language refers to “us[ing] conservative assumptions in interpreting the data” underlying 
a risk assessment.  Indus. Union, 448 U.S. at 656.  It says nothing about excusing OSHA from 
considering alternative means.  Perhaps, instead, the majority relies on a bit of intuition; 
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circumstances demanding swift action often produce a less measured response.  That may be 
true, but only so far as it goes.  Surely, when an agency fails to treat a situation as an emergency, 
we should refuse to afford it any extra bit of deference, regardless of what label it attaches.  See 
Fla. Peach Growers, 489 F.2d at 130–31 (addressing exposure to pesticides that had been used 
for years was not an emergency).  Here, OSHA waited well over a year to respond to, in the 
agency’s words, “the biggest threat to employees in OSHA’s more than 50-year history.”  
86 Fed. Reg. at 61,424.  To be sure, the agency may have had reasons for its wait-and-see 
approach—hoping individuals would vaccinate voluntarily, for example.  Id. at 61,431–32.  But 
that is beside the point.  What matters is that the agency had plenty of time to consider and 
develop more tailored responses, belying any notion that its blunt approach is merely the 
expected product of an unexpected emergency. 
Having failed to explore whether other feasible alternatives would have allowed him to 
tackle the problem, the Secretary cannot show that his solution is “necessary”; nor is he able to 
survive the requirements of “hard look” review.  See Asbestos Info., 727 F.2d at 421 (When 
reviewing an emergency standard, we must “take a ‘harder look’ . . . than we would if we were 
reviewing the action under the more deferential arbitrary and capricious standard applicable to 
agencies governed by the [APA].”).  
b.  Grave Danger in the Workplace 
This case can be resolved on the ground that the Secretary is unlikely to be able to show 
that the mandate was necessary.  But there are also significant concerns with OSHA’s 
determination that all unvaccinated employees face grave danger from exposure to the virus in 
the workplace.  29 U.S.C. § 655(c)(1). 
Grave danger.  “Grave danger” comprises two meanings.  First, severity:  A “grave 
danger” is a risk of “incurable, permanent, or fatal consequences to workers.”  Fla. Peach 
Growers, 489 F.2d at 132.  The agency determined that symptomatic cases of COVID-19 can 
cause such consequences, 86 Fed. Reg. at 61,408, and no one seriously questions that finding.  
But the statutory concept of “danger,” or risk, also carries a second connotation—the likelihood 
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of its occurrence.  See Asbestos Info., 727 F.2d at 424 (noting “gravity” includes “the number of 
workers likely to suffer [severe] consequences”); Fla. Peach Growers, 489 F.2d at 132 
(measuring danger “relative to the mass of agricultural workers in contact with treated foliage”).  
I question whether the Secretary has made this second showing—that all covered employees 
have a high risk both of contracting COVID-19 and suffering severe consequences from it. 
The agency must provide substantial evidence supporting the risk it has identified and 
give reasons for the conclusions it has drawn.  Asbestos Info., 727 F.2d at 421; see also Dry 
Color, 486 F.2d at 105–06.  Substantial evidence is that which “a reasonable mind might accept 
as adequate to support a conclusion.”  Asbestos Info., 727 F.2d at 421 (quoting Consol. Edison 
Co. v. NLRB, 305 U.S. 197, 229 (1938)).  Here, a quick look at the evidence raises an eyebrow.  
OSHA has determined that no vaccinated worker is in “grave danger,” whereas all unvaccinated 
workers are.  86 Fed. Reg. at 61,434, 61,419.  But the government’s own data reveal that the 
death rate for unvaccinated people between the ages of 18 and 29 is roughly equivalent to that of 
vaccinated persons between 50 and 64.  See Rates of COVID-19 Cases and Deaths by 
Vaccination Status, supra, at 10.5  So an unvaccinated 18-year-old bears the same risk as a 
vaccinated 50-year-old.  And yet, the 18-year-old is in grave danger, while the 50-year-old is not.  
One of these conclusions must be wrong; either way is a problem for OSHA’s rule. 
In the Workplace.  OSHA’s authority extends only so far as Congress provides.  And 
Congress has clearly marked the perimeter of OSHA’s authority:  the workplace walls.  See 
29 U.S.C. § 651(a) (“work situations”); id. § 651(b) (“occupational safety and health standards”) 
(“working conditions”); see also Steel Joint Inst. v. Occupational Safety & Health Admin., 
287 F.3d 1165, 1167 (D.C. Cir. 2002) (“[T]he Act authorizes OSHA to regulate only the 
employer’s conduct at the worksite.”). 
The virus that causes COVID-19 is not, of course, uniquely a workplace condition.  Its 
potency lies in the fact that it exists everywhere an infected person may be—home, school, or 
grocery store, to name a few.  So how can OSHA regulate an employee’s exposure to it? 
 
5Hospitalization rates corresponding to these age groups is not readily available from the CDC.  
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OSHA answers that it has authority to protect employees from general types of hazards 
that may occur both inside and outside of the workplace.  It may, for example, protect employees 
from the danger of workplace fire, even though every person in America has some risk of injury 
by fire outside the workplace.  See, e.g., 29 C.F.R. § 1910.157 (requiring fire extinguishers in the 
workplace).  Sure.  But one’s exposure to fire may be easily differentiated by location, and 
OSHA has heretofore respected that its regulatory authority extends no further than the 
workplace walls.  In Industrial Union, for example, the Court noted that although “[t]he entire 
population of the United States is exposed to small quantities of benzene” in the air, OSHA 
sought to regulate the increased risk of exposure to benzene only in the workplace.  448 U.S. at 
615, 622–23.  And the Fourth Circuit upheld OSHA’s Occupational Noise Exposure standard 
because workers faced “sustained noise of great intensity” at work, which did not exist at those 
levels outside the workplace.  Forging Indus. Ass’n v. Sec’y of Lab., 773 F.2d 1436, 1442–44 
(4th Cir. 1985) (en banc) (“The hazard is identified as sustained noise of great intensity-85 db 
and above.  Non-occupational noise of that intensity sustained over a period of eight hours each 
day is hard to imagine.”). 
Yet OSHA admits that it “cannot state with precision the total number of workers in our 
nation who have contracted COVID-19 at work.”  86 Fed. Reg. at 61,424.  And it has not 
identified any particular rate or risk of workplace exposure to COVID-19.  So instead OSHA 
determined that each of the 26 million unvaccinated workers are “in grave danger” based on 
“current mortality data show[ing] that unvaccinated people of working age have a 1 in 202 
chance of dying when they contract COVID-19.”  Id.  I can find no example of a court accepting 
generalized statistics like these, totally untied to the workplace.  Cf. Asbestos Info., 727 F.2d at 
425–26.  “The ‘grave danger’ and ‘necessity’ findings must be based on evidence of actual, 
prevailing [workplace] conditions, i.e., current levels of employee exposure.”  UAW v. Donovan, 
590 F. Supp. 747, 751 (D.D.C. 1984). 
The risk the Secretary calculated to support his “grave danger” finding was in no way 
tied to any workplace.  Instead, he calculated the risk of being a person “of working age” in 
America.  86 Fed. Reg. at 61,424.  Indeed, in OSHA’s eyes, the risk to an employee who starts a 
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job today is no more “grave” than it was yesterday, before she entered the workforce; and, 
should she quit tomorrow, it will remain the same.  In other words, the Secretary did not 
calculate the number of people who will contract COVID-19 at work; he calculated the number 
of people who happen to work who would, in any event, contract COVID-19.  That kind of risk 
assessment is hard to justify as an “occupational safety and health standard[].”  29 U.S.C. 
§ 651(b)(3).  And it is hard to square with Congress’s codified mission statement for the 
Agency:  to prevent “personal injuries and illnesses arising out of work situations.”  Id. § 651(a). 
And what of the solution?  Here, OSHA has ventured into entirely new territory.  An 
authority to protect “employees” from a “grave danger” encountered in the workplace, id. at 
§ 655(c)(1), is most naturally read to place a workplace boundary on the solution.  Flame-
retardant clothing may be mandated at work, but not also at home.  And that is true even if taking 
such precautions at home would save many “employee” lives. 
OSHA has never before acted otherwise.  It has consistently regulated workplace hazards 
with workplace solutions.  See, e.g., 29 C.F.R § 1926.96 (steel-toe boots); id. § 1926.97 
(electrical protective equipment); id. § 1926.100 (hard hats); id. § 1926.101 (ear protective 
devices); id. § 1926.102 (eye and face protection); id. § 1926.103 (respirators).  Even its one 
foray into vaccines was offered to, but not required of, employees who had been exposed to 
Hepatitis B in the workplace.  See, e.g., id. § 1910.1030(f)(2)(i).  Here, employers, not 
employees, control any non-vaccine option in the first instance; and OSHA has been candid that 
it has stacked the deck in favor of vaccination.  86 Fed. Reg. at 61,437.  OSHA has alerted us to 
no prior attempt on its part to mandate a solution that extends beyond the workplace walls—
much less a permanent and physically intrusive one, promulgated on an emergency basis, 
without any chance for public participation.  But that it is what OSHA has done here.  A vaccine 
may not be taken off when the workday ends; and its effects, unlike this rule, will not expire in 
six months.   
Accordingly, I question whether the Secretary can show that OSHA’s risk assessment 
and solution are tied to its authority—to protect employees against grave danger in the 
workplace. 
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2.  Major Questions Doctrine 
If there were doubt, the major questions doctrine tells us how to respond.  Congress must 
“speak clearly if it wishes to assign to an agency decisions of vast ‘economic and political 
significance.’”  Util. Air Reg. Grp. v. EPA, 573 U.S. 302, 324 (2014) (quoting FDA v. Brown & 
Williamson Tobacco Corp., 529 U.S. 120, 160 (2000)).  And we should be skeptical when an 
agency suddenly discovers “in a long-extant statute an unheralded power to regulate a significant 
portion of the American economy.”  Id. (quotation marks omitted). 
OSHA has never issued an emergency standard of this scope.  Each of this rule’s few 
predecessors addressed discrete problems in particular industries.  See 48 Fed. Reg. 51,086, 
51,087–93 (Nov. 4, 1983) (targeting workplaces where “asbestos is handled,” specifically 
375,000 employees in manufacturing, construction, fabrication, brake repair, and shipbuilding); 
43 Fed. Reg. 2,586, 2,593 (Jan. 17, 1978) (targeting acrylonitrile manufacturing, acrylic fiber 
production, and similar activities with the “highest exposure” to acrylonitrile); 42 Fed. Reg. 
45,536, 45,536 (Sept. 9, 1977) (targeting DBCP manufacturers, specifically 2,000 to 3,000 
employees in a handful of companies); 42 Fed. Reg. 22,516, 22,517–22 (May 3, 1977) (targeting 
150,000 employees in the chemical, printing, lithograph, rubber, paint, varnish, stain remover, 
adhesive, and petroleum industries with high exposure to Benzene, but exempting retail gas 
stations); 41 Fed. Reg. 24,272, 24,275 (June 15, 1976) (targeting 2,305 commercial divers); 
39 Fed. Reg. 12,342, 12,343 (Apr. 5, 1974) (targeting vinyl chloride manufacturers, processers, 
and storers); 38 Fed. Reg. 10,929, 10,929 (May 3, 1973) (targeting 14 carcinogens when 
manufactured, processed, used, repackaged, released, or otherwise handled, as requested by oil, 
chemical, and atomic workers); 38 Fed. Reg. 17,214, 17,216 (June 29, 1973) (targeting field 
workers exposed to 12 pesticides, but limited to crops of apples, citrus, grapes, peaches, and 
tobacco); 36 Fed. Reg. 23,207, 23,207 (Dec. 7, 1971) (targeting workplaces with extremely high 
levels of asbestos).  Most of those were challenged in court and only one of those survived.  Now 
the Secretary claims authority to impose a vaccinate-or-test mandate across “all industries” on 
84 million Americans (26 million unvaccinated) in response to a global pandemic that has been 
raging for nearly two years.  86 Fed. Reg. at 61,424.  But no congressional grant of authority 
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does what the Supreme Court requires in such circumstances:  speak with “exceedingly clear 
language.”  Ala. Ass’n of Realtors, 141 S. Ct. at 2489. 
The majority deems the major questions doctrine inapplicable, first because, in its eyes, 
OSHA’s authority to undertake a nationwide vaccine-or-test mandate is “unambiguous.”  Maj. 
Op. at 16.  It rests that conclusion primarily on the fact that OSHA has been regulating 
workplace health and safety since 1970.  But the major questions doctrine is not about the age of 
the agency; and it is not only about the kind of power but also the scope or degree.  Claiming that 
it made no such error, the majority doubles down with examples of OSHA exercising power 
similar in kind and calls that “scope.”  But no matter how many times OSHA has regulated 
discrete illnesses in particular workspaces, this emergency rule remains a massive expansion of 
the scope of its authority.  In Brown & Williamson, the FDA had been regulating “drugs” and 
“devices” for 58 years.  529 U.S. at 125.  And regulating nicotine seemed to fit in the FDA’s 
wheelhouse.  See id. at 127.  Nonetheless, the Court denied the FDA’s authority to make “a 
policy decision of such economic and political magnitude”—even one in the agency’s ken, and 
even though tobacco was “perhaps the single most significant threat to public health in the 
United States” at the time.6  Id. at 133, 161. 
Just months ago, the Supreme Court rejected a similar attempt by a different agency to 
take the pandemic into its own hands.  See Ala. Ass’n of Realtors, 141 S. Ct. at 2486.  The CDC 
had imposed an eviction moratorium for any counties with high levels of COVID-19 
transmission, citing its authority in the Public Health Act to make “such regulations as . . . are 
necessary to prevent the introduction, transmission, or spread of communicable diseases from 
foreign countries.”  Id. at 2487.  Deciding that a challenge to the moratorium was “virtually 
certain to succeed on the merits,” the Court found that even if the provision could be read that 
 
6The majority thinks Brown & Williamson is distinguishable because there Congress had directly spoken 
on the issue of tobacco, which was further evidence that the FDA had no such authority.  See 529 U.S. at 137–39.  
However, in Utility Air Regulatory Group, the Supreme Court reaffirmed the language in Brown & Williamson and 
applied it even where Congress had been silent.  See 573 U.S. at 307, 324 (finding that an EPA determination “that 
its motor-vehicle greenhouse-gas regulations automatically triggered permitting requirements” was an “enormous 
and transformative expansion” in authority that triggered Brown & Williamson).  Utility Air Regulatory Group is yet 
another example of the Supreme Court applying the major questions doctrine to a regulation similar in kind but with 
an increased scope. 
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way, “the sheer scope of the CDC’s claimed authority” belied the government’s interpretation.  
Id. at 2489. 
The majority gives short shrift to this very recent precedent, calling the major questions 
doctrine a “seldom-used . . . exception to Chevron deference.”  Maj. Op. at 14.  It is hard to see 
how that can be right when Alabama Association of Realtors just applied the doctrine and 
Chevron made no appearance in the case.  The majority protests that the doctrine is “hardly a 
model of clarity” and that “economic and political significance” is undefined.  Id.  Maybe so.  
Yet it is hard to think of a more apt comparison than the one the Supreme Court just gave us to 
follow.  Finding it to be a power of “vast economic and political significance,” the Court 
emphasized that the CDC’s moratorium covered “80% of the country, including between 6 and 
17 million tenants,” all to “combat[] the spread of COVID-19.”  Ala. Ass’n of Realtors, 141 S. 
Ct. at 2489–90.  OSHA’s rule covers two-thirds of the private sector, including 84 million 
workers (26 million unvaccinated), also to combat COVID-19.  86 Fed. Reg. at 61,424–41.  If it 
is not clear on its face that OSHA’s vaccinate-or-test mandate covering most of the country is 
significant, then Alabama Association of Realtors tells us it is. 
Finally, the majority tries to escape the doctrine by claiming that the Secretary’s authority 
is carefully circumscribed by the requirements in § 655 that the rule be “necessary” to combat a 
“grave danger,” and that OSHA has “honored those parameters” by using its power infrequently.  
Maj. Op. at 16.  Two short responses are in order.  One, the provision in Alabama Association of 
Realtors was similarly circumscribed; the CDC could act only when it was “necessary” to 
prevent the “spread of communicable disease,” and it had “rarely . . . invoked” its power.  
141 S. Ct. at 2487.  Two, the fact that § 655 “narrowly circumscribe[s]” OSHA’s authority, 
Indus. Union, 448 U.S. at 651, and that its assertions of power in the past have been limited, 
supports a restrictive reading, not an expansive one. 
A last point bears mention.  Congress may enlist the help of administrative agencies to 
implement and enforce the laws, as it has done here.  See Gundy v. United States, 139 S. Ct. 
2116, 2123 (2019).  But there are limits to how much Congress may delegate.  See id.  And the 
greater the putative delegation of power, the less discretion an agency has when exercising it.  
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See Whitman v. Am. Trucking Ass’ns, 531 U.S. 457, 475 (2001) (“[T]he degree of agency 
discretion that is acceptable varies according to the scope of the power congressionally 
conferred.”).  
Here, the Secretary asks for maximum authority and maximum discretion; he wants to 
issue a rule of national import, covering two-thirds of American workers, and he wants to do it 
without clear congressional authorization, without even public notice and comment, and with a 
capacious understanding of necessity.  Such a combination of authority and discretion is 
unprecedented, and the Secretary is unlikely to show that he has been granted it. 
B.  Other Stay Factors 
Petitioners have shown a likelihood of success on the merits of their challenge to the 
emergency rule.  That factor is the most important; but the other factors favor the stay as well.   
Will petitioners be irreparably harmed absent a stay?  Yes.  Nken v. Holder, 556 U.S. 
418, 434 (2009).  Consider just two classes of petitioners.  First, individuals.  Without a stay, 
they will be forced to decide whether to get vaccinated.  In some cases, employers may permit 
employees to undergo weekly testing and wear a mask.  But some will fire those who are not 
vaccinated, rather than deal with the recordkeeping hassles of the testing requirement.  In those 
instances, the individuals will be irreparably harmed, either by loss of livelihood or an 
unwelcome vaccination.  And even if given the choice by her employer, an individual petitioner 
might reluctantly submit to vaccination, rather than incur a weekly hit to her finances and to her 
time.  And if it turns out she did so due to an invalid regulation, she will have been irreparably 
harmed.  
Second, businesses.  The business petitioners say they will be harmed in various ways, 
including unrecoverable compliance costs and loss of employees amidst a labor shortage.  For 
example, one petitioner, Oberg Industries, says that it will incur more than “$22 million in lost 
revenue per year,” and that the vaccinate-or-test mandate “will imperil Petitioner’s business 
going forward given significant labor market shortages.”  Docket Nos. 21-7000, 21-4112, 
Motion for Emergency Stay at 2.  Currently, the company has 21 open positions and, according 
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to Oberg, “studies show that at least seven million affected workers report that they definitely 
will not get the vaccine.”  Id.  The vaccinate-or-test mandate will exacerbate these shortages, 
with Oberg estimating that it will lose “200 employees—approximately 30% of its existing 
workforce.”  Id. at 2–3.  The papers before this court are filled with similar stories.  There is no 
question that if these harms occur, they will be irreparable. 
OSHA responds that the administrative record it compiled does not support the alleged 
severity of petitioners’ harms.  Of course the record is silent as to petitioners’ concerns, given 
that the emergency standard circumvents any public input.  And while OSHA says its projected 
costs are much lower than petitioners’, the projected costs are not de minimis, ranging from as 
little as $2,000 to almost $900,000 per entity, with a combined projected cost of almost 
$3 billion.  86 Fed. Reg. at 61,493.   
Would the stay substantially injure OSHA and where does the public interest lie?  Nken, 
556 U.S. at 434.  These two factors merge when the government is a party.  Id. at 435.  It is hard 
to find harm to OSHA from delay, as it waited almost two years since the pandemic began, and 
nearly a year after vaccines became publicly available, to issue the mandate.  That is not to 
mention the almost two-month delay between the President’s mandate announcement and the 
issuance of the emergency standard.   
As for the societal costs of the pandemic, few could dispute their size and scope.  
To focus on just one, in many states, the healthcare system is being overrun and many healthcare 
workers report both a physical and emotional toll from the relentless effort of caring for the sick 
and dying.  See Michigan’s Hospitals Near Breaking Point:  ‘We Can’t Take Care of Our 
Patients as We 
Need’, 
The 
Detroit 
News 
(last 
visited 
Dec. 
15, 
2021), 
https://www.detroitnews.com/in-depth/news/nation/coronavirus/2021/12/15/michigan-hospitals-
crisis-health-care-workers-exhausted-covid-19-pandemic/6462036001/.  The agency record in 
this case contains substantial evidence that we could give them some rest if more of us rolled up 
our sleeves.  But the Secretary himself claims no authority to regulate for these ends.  He cannot 
even regulate for the sake of the vaccinated; they are not in “grave danger.”  Instead, the mandate 
is aimed directly at protecting the unvaccinated from their own choices.  Vaccines are freely 
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available, and unvaccinated people may choose to protect themselves at any time.  And because 
the Secretary likely lacks congressional authority to force them to protect themselves, the 
remaining stay factors cannot tip the balance.  See Tiger Lily, 992 F.3d at 524. 
* * * 
I would deny OSHA’s motion to dissolve the stay. 
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EXHIBIT 2 

United States Court of Appeals 
for the Fifth Circuit 
 
 
No. 21-60845 
 
 
BST Holdings, L.L.C.; RV Trosclair, L.L.C.; Trosclair 
Airline, L.L.C.; Trosclair Almonaster, L.L.C.; 
Trosclair and Sons, L.L.C.; Trosclair ; Trosclair, 
Incorporated; Trosclair Carrollton, L.L.C.; Trosclair 
Claiborne, L.L.C.; Trosclair Donaldsonville, L.L.C.; 
Trosclair Houma, L.L.C.; Trosclair Judge Perez, L.L.C.; 
Trosclair Lake Forest, L.L.C.; Trosclair Morrison, 
L.L.C.; Trosclair Paris, L.L.C.; Trosclair Terry, L.L.C.; 
Trosclair Williams, L.L.C.; Ryan Dailey; Jasand 
Gamble; Christopher L. Jones; David John Loschen; 
Samuel Albert Reyna; Kip Stovall; Answers in Genesis, 
Incorporated; American Family Association, 
Incorporated; Burnett Specialists; Choice Staffing, 
L.L.C.; Staff Force, Incorporated; Leadingedge 
Personnel, Limited; State of Texas; HT Staffing, 
Limited; doing business as HT Group; The State of 
Louisiana; Cox Operating, L.L.C.; Dis-Tran Steel, 
L.L.C.; Dis-Tran Packaged Substations, L.L.C.; Beta 
Engineering, L.L.C. Optimal Field Services, L.L.C.; The 
State of Mississippi; Gulf Coast Restaurant Group, 
Incorporated; The State of South Carolina; The State 
of Utah; Word of God Fellowship, Incorporated, doing 
busines as Daystar Television Network,  
 
Petitioners, 
 
versus 
 
Occupational Safety and Health Administration, 
United States Department of Labor; United States 
United States Court of Appeals 
Fifth Circuit 
FILED 
November 12, 2021 
 
Lyle W. Cayce 
Clerk 

No. 21-60845 
2 
Department of Labor; Martin J. Walsh, Secretary, U.S. 
Department of Labor;  Douglas Parker, in his Official 
Capacity as Assistant Secretary of Labor for 
Occupational Safety and Health, 
 
Respondents. 
 
 
Petition for Review of  
Occupational Safety and Health Administration 
Emergency Temporary Standard 
 
 
Before Jones, Duncan, and Engelhardt, Circuit Judges. 
Kurt D. Engelhardt, Circuit Judge:
The Occupational Safety and Health Administration (OSHA) 
“reasonably determined” in June 2020 that an emergency temporary 
standard (ETS) was “not necessary” to “protect working people from 
occupational exposure to infectious disease, including COVID-19.” In re 
AFL-CIO, 2020 WL 3125324, at *1 (D.C. Cir. June 11, 2020). This was not 
the first time OSHA had done this; it has refused several times to issue ETSs 
despite legal action urging it do so. See, e.g., In re Int’l Chem. Workers Union, 
830 F.2d 369 (D.C. Cir. 1987) (per curiam). In fact, in its fifty-year history, 
OSHA has issued just ten ETSs.1 Six were challenged in court; only one 
survived.2 The reason for the rarity of this form of emergency action is 
 
1 Cong. Rsch. Serv., Occupational Safety and Health 
Administration (OSHA): Emergency Temporary Standards (ETS) 
and 
COVID-19, 
at 
34 
tbl. 
A-1 
(Nov. 
10, 
2021), 
available 
at 
https://crsreports.congress.gov/product/pdf/R/R46288. 
2 It bears noting at the outset that most of the few ETSs issued by OSHA were 
immediately stayed pending merits review. See Asbestos Info. Ass’n/N. Am. v. OSHA, 727 
F.2d 415, 418 (5th Cir. 1984); Indus. Union Dep’t, AFL-CIO v. Bingham, 570 F.2d 965, 968 
(D.C. Cir. 1977); Taylor Diving Salvage Co. v. U.S. Dep’t of Lab., 537 F.2d 819, 820–21 (5th 

No. 21-60845 
3 
simple: courts and the Agency have agreed for generations that 
“[e]xtraordinary power is delivered to [OSHA] under the emergency 
provisions of the Occupational Safety and Health Act,” so “[t]hat power 
should be delicately exercised, and only in those emergency situations which 
require it.” Fla. Peach Growers Ass’n v. U.S. Dep’t of Lab., 489 F.2d 120, 129–
30 (5th Cir. 1974). 
This case concerns OSHA’s most recent ETS—the Agency’s 
November 5, 2021 Emergency Temporary Standard (the “Mandate”) 
requiring employees of covered employers to undergo COVID-19 
vaccination or take weekly COVID-19 tests and wear a mask.3 An array of 
petitioners seeks a stay barring OSHA from enforcing the Mandate during 
the pendency of judicial review. On November 6, 2021, we agreed to stay the 
Mandate pending briefing and expedited judicial review. Having conducted 
that expedited review, we reaffirm our initial stay. 
I. 
OSHA promulgated its much anticipated4 vaccine mandate on 
November 5, 2021. Framed as an ETS, the Mandate requires all employers 
of 100 or more employees to “develop, implement, and enforce a mandatory 
COVID-19 vaccination policy” and require any workers who remain 
 
Cir. 1976) (per curiam); Fla. Peach Growers Ass’n v. U.S. Dep’t of Lab., 489 F.2d 120, 126 
(5th Cir. 1974). 
3 See COVID-19 Vaccination and Testing; Emergency Temporary Standard, 86 
Fed. Reg. 61,402 (Nov. 5, 2021) (to be codified at 29 C.F.R. pts. 1910, 1915, 1917, 1918, 
1926, and 1928). 
4 Debates over the Biden Administration’s forthcoming vaccine mandate roiled the 
country throughout much of the Fall. For obvious reasons, the Mandate affects every 
person in America in one way or another.  

No. 21-60845 
4 
unvaccinated to “undergo [weekly] COVID-19 testing and wear a face 
covering at work in lieu of vaccination.” 86 Fed. Reg. 61,402, 61,402.  
On the afternoon of the Mandate’s publication, a diverse group of 
petitioners (including covered employers, States, religious groups, and 
individual citizens) moved to stay and permanently enjoin the mandate in 
federal courts of appeals across the nation. Finding “cause to believe there 
are grave statutory and constitutional issues with the Mandate,” we 
intervened and imposed a temporary stay on OSHA’s enforcement of the 
Mandate. For ease of judicial review, and in light of the pressing need to act 
immediately, we consolidated our court’s petitions under the case number 
captioned above. 
Many of the petitioners are covered private employers within the 
geographical boundaries of this circuit.5 Their standing6 to sue is obvious—
the Mandate imposes a financial burden upon them by deputizing their 
participation in OSHA’s regulatory scheme, exposes them to severe financial 
risk if they refuse or fail to comply, and threatens to decimate their 
workforces (and business prospects) by forcing unwilling employees to take 
their shots, take their tests, or hit the road. 
 
5 Because these petitioners are the targets of the Mandate and bear the brunt of 
OSHA’s regulatory power, we principally analyze the petitions from their perspective. 
This is not to say that the claims of other petitioners such as States or individual citizens 
would be any less successful on a thorough analysis. 
6 “Only one of the petitioners needs to have standing to permit us to consider the 
petition for review.” Massachusetts v. EPA, 549 U.S. 497, 518 (2007). 

No. 21-60845 
5 
The petitioners seek a stay—and ultimately a permanent injunction—
of the Mandate’s enforcement pending full judicial review of the Mandate. 
We address their request for a stay today.7 
II. 
 
The “traditional stay factors . . . govern a request for a stay pending 
judicial review.” Nken v. Holder, 556 U.S. 418, 426 (2009). Under the 
traditional stay standard, a court considers four factors: “(1) whether the stay 
applicant has made a strong showing that he is likely to succeed on the merits; 
(2) whether the applicant will be irreparably injured absent a stay; (3) 
whether issuance of the stay will substantially injure the other parties 
interested in the proceeding; and (4) where the public interest lies.” Hilton 
v. Braunskill, 481 U.S. 770, 776 (1987). 
 
Each of these factors favors a stay here. 
A. 
 
We first consider whether the petitioners’ challenges to the Mandate 
are likely to succeed on the merits. For a multitude of reasons, they are.  
 
7 Our November 6, 2021 stay order preserved the status quo during the pendency 
of briefing. The unusual procedural posture of this case makes for an unusual process. 
Ordinarily, a federal plaintiff aggrieved by an adversary’s threatened course of action must 
go to a district court to seek injunctive relief at the outset. In this ordinary scenario, a 
preliminary injunction precedes a permanent injunction, and trial-court review precedes 
appellate review. But this is not a typical case. Here, the statute giving OSHA the power to 
issue emergency temporary standards like the Mandate also provides for direct and 
immediate judicial review in “the United States court of appeals for the circuit wherein” 
“[a]ny person who may be adversely affected by” an ETS “resides or has his principal 
place of business.” See 29 U.S.C. § 655(f). Satisfied of our jurisdiction to proceed under 
that provision, but mindful of our unusual procedural posture, we apply the traditional 
factors for a stay pending judicial review and draw factual support from the attachments to 
the pleadings, uncontested facts, and judicial notice. 

No. 21-60845 
6 
We begin by stating the obvious. The Occupational Safety and Health 
Act, which created OSHA, was enacted by Congress to assure Americans 
“safe and healthful working conditions and to preserve our human 
resources.” See 29 U.S.C. § 651 (statement of findings and declaration of 
purpose and policy). It was not—and likely could not be, under the 
Commerce Clause and nondelegation doctrine8—intended to authorize a 
workplace safety administration in the deep recesses of the federal 
bureaucracy to make sweeping pronouncements on matters of public health 
affecting every member of society in the profoundest of ways. Cf. Ala. Ass’n 
of Realtors v. HHS, 141 S. Ct. 2485, 2488–90 (2021) (per curiam). 
 
On the dubious assumption that the Mandate does pass constitutional 
muster—which we need not decide today9—it is nonetheless fatally flawed 
on its own terms. Indeed, the Mandate’s strained prescriptions combine to 
make it the rare government pronouncement that is both overinclusive 
(applying to employers and employees in virtually all industries and 
workplaces in America, with little attempt to account for the obvious 
differences between the risks facing, say, a security guard on a lonely night 
shift, and a meatpacker working shoulder to shoulder in a cramped 
warehouse) and underinclusive (purporting to save employees with 99 or 
more coworkers from a “grave danger” in the workplace, while making no 
attempt to shield employees with 98 or fewer coworkers from the very same 
 
8 The nondelegation doctrine constrains Congress’s ability to delegate its 
legislative authority to executive agencies. See, e.g., Mistretta v. United States, 488 U.S. 361, 
371–72 (1989) (“The Constitution +-*1$ ./#/BNO''' "$.'/$1 *2 -.# - $)"-)/ 
shall be vested in a Congress of the United States’ . . . )2 #1 '*)"$).$./ /#/B/# 
integrity and maintenance of the system of government ordered by the Constitution’ 
mandate that Congress generally cannot delegate its legislative power to another Branch.” 
(first quoting U.S. Const. art. I, § 1; then quoting Field v. Clark, 143 U.S. 649, 692 
(1892))). 
9 But see infra subsection II.A.2.f. 

No. 21-60845 
7 
threat). The Mandate’s stated impetus—a purported “emergency” that the 
entire globe has now endured for nearly two years,10 and which OSHA itself 
spent nearly two months responding to11—is unavailing as well. And its 
promulgation grossly exceeds OSHA’s statutory authority. 
1. 
After the President voiced his displeasure with the country’s 
vaccination rate in September,12 the Administration pored over the U.S. 
Code in search of authority, or a “work-around,”13 for imposing a national 
 
10 As Justice Gorsuch recently observed, society’s interest in slowing the spread of 
COVID-19 “cannot qualify as [compelling] forever,” for “[i]f human nature and history 
teach anything, it is that civil liberties face grave risks when governments proclaim 
indefinite states of emergency.” Does 1–3 v. Mills, --- S. Ct. ---, 2021 WL 5027177, at *3 
(Oct. 29, 2021) (Gorsuch, J., dissenting); see also Fla. Peach Growers, 489 F.2d at 131 
(situation ongoing for “last several years . . . fail[ed] to qualify for [OSHA] emergency 
measures”). 
11 The President announced his intention to impose a national vaccine mandate on 
September 9, 2021. See, e.g., Kevin Liptak & Kaitlan Collins, Biden Announces New Vaccine 
Mandates that Could Cover 100 Million Americans, CNN (Sept. 9, 2021), 
https://www.cnn.com/2021/09/09/politics/joe-biden-covid-speech/index.html 
LDB C1   )+/$ )/60/*0-+/$ ) $.2 -$)"/#$)6)4*0-- !0.'#.*./''*!0.6C
Biden said, his tone hardening toward Americans who still refuse to receive a vaccine 
despite ample evidence of their safety and full approval of one . . . .”). OSHA issued the 
Mandate nearly two months later, on November 5, 2021, and the Mandate itself 
prominently features yet another two-month delay. One could query how an “emergency” 
could prompt such a “deliberate” response. In similar cases, we’ve held that OSHA’s 
failure to act promptly “does not conclusively establish that a situation is not an 
emergency,” but “may be evidence that a situation is not a true emergency.” Asbestos Info., 
727 F.2d at 423 (emphasis added). 
12 See supra note 11. 
13 On September 9, 2021, White House Chief of Staff Ron Klain retweeted MSNBC 
anchor Stephanie Ruhle’s tweet that stated, “OSHA doing this vaxx mandate as an 
emergency workplace safety rule is the ultimate work-around for the Federal govt to require 
vaccinations.” See, e.g., Pet’rs Burnett Specialists, Choice Staffing, LLC, and Staff Force 
Inc.’s Reply Brief at 4 (emphasis added). 

No. 21-60845 
8 
vaccine mandate. The vehicle it landed on was an OSHA ETS. The statute 
empowering OSHA allows OSHA to bypass typical notice-and-comment 
proceedings for six months by providing “for an emergency temporary 
standard to take immediate effect upon publication in the Federal Register” 
if it “determines (A) that employees are exposed to grave danger from 
exposure to substances or agents determined to be toxic or physically harmful 
or from new hazards, and (B) that such emergency standard is necessary to 
protect employees from such danger.” 29 U.S.C. § 655(c)(1). 
As the name suggests, emergency temporary standards “are an 
Bunusual response’ /* B 3 +/$*)'$-0(./) .7C” Int’l Chem. Workers, 
830 F.2d at 371 (quoting Pub. Citizen Health Rsch. Grp. v. Auchter, 702 F.2d 
1150, 1155 (D.C. Cir. 1983)). Thus, courts have uniformly observed that 
OSHA’s authority to establish emergency temporary standards under 
§ jiiLMD$.)B 3/-*-$)-4+*2 -C/#/$./* B '$/ '4 3 -$. C$)
*)'4 -/$)B'$($/ .$/0/$*).7CEId. at 370 (quoting Pub. Citizen, 702 F.2d 
at 1155).14 
But the Mandate at issue here is anything but a “delicate[] exercise[]” 
of this “extraordinary power.” Cf. Pub. Citizen, 702 F.2d at 1155. Quite the 
opposite, rather than a delicately handled scalpel, the Mandate is a one-size-
fits-all sledgehammer that makes hardly any attempt to account for 
differences in workplaces (and workers) that have more than a little bearing 
on workers’ varying degrees of susceptibility to the supposedly “grave 
danger” the Mandate purports to address.  
 
14 The Agency has thus conceded in the past that “[t]he OSH Act does not 
authorize OSHA to issue sweeping health standards to address entire classes of known and 
unknown infectious diseases on an emergency basis without notice and comment.” See 
Department of Labor’s Resp. to the Emergency Pet. for a Writ of Mandamus at 33–34, In 
re AFL-CIO, No. 20-1158 (D.C. Cir. May 29, 2020) [hereinafter OSHA D.C. Circuit Brief]. 

No. 21-60845 
9 
2. 
Thus, as § 655(c)(1) plainly provides, to be lawfully enacted, an ETS 
must: (1) address “substances or agents determined to be toxic or physically 
harmful”—or “new hazards”—in the workplace; (2) show that workers are 
exposed to such “substances,” “agents,” or “new hazards” in the 
workplace; (3) show that said exposure places workers in “grave danger”; 
and (4) be “necessary” to alleviate employees’ exposure to gravely 
dangerous hazards in the workplace. As we have noted in the past, the 
precision of this standard makes it a difficult one to meet. See Fla. Peach 
Growers, 489 F.2d at 130 (observing that OSHA’s ETS authority “requires 
determination of danger from exposure to harmful substances, not just a 
danger of exposure; and, not exposure to just a danger, but to a grave danger; 
and, not the necessity of just a temporary standard, but that an emergency 
[temporary] standard is necessary”).15 
(a) 
 
In its brief, Texas makes a compelling argument that § 655(c)(1)’s 
neighboring phrases “substances or agents” and “toxic or physically 
harmful” place an airborne virus beyond the purview of an OSHA ETS in the 
first place. To avoid “giving unintended breadth to the Acts of Congress,” 
courts “rely on the principle of noscitur a sociis—a word is known by the 
company it keeps.” Yates v. United States, 574 U.S. 528, 543 (2015) (cleaned 
up). Here, OSHA’s attempt to shoehorn an airborne virus that is both widely 
present in society (and thus not particular to any workplace) and non-life-
 
15 In prior litigation, OSHA acknowledged that many “workplaces” covered by a 
COVID-19 ETS “are not merely workplaces,” but are also “stores, restaurants, and other 
places occupied by workers and the general public alike, in which the measures called for 
require a broader lens—and at times a broader mandate—than available to OSHA.” See 
OSHA D.C. Circuit Brief at 20. 

No. 21-60845 
10 
threatening to a vast majority of employees into a neighboring phrase 
connoting toxicity and poisonousness is yet another transparent stretch. Other 
cases involving OSHA (though not ETSs per se) shed further light on the 
intended meaning of these terms. See, e.g., UAW v. OSHA, 938 F.2d 1310, 
1314 (D.C. Cir. 1991). See generally Indus. Union Dep’t, AFL-CIO v. Am. 
Petroleum Inst., 448 U.S. 607 (1980). Any argument OSHA may make that 
COVID-19 is a “new hazard[]” would directly contradict OSHA’s prior 
representation to the D.C. Circuit that “[t]here can be no dispute that 
COVID-19 is a recognized hazard.” See OSHA D.C. Circuit Brief at 25 
(emphasis added). 
(b) 
 
A natural first step in enacting a lawful ETS is to show that employees 
covered by the ETS are in fact exposed to the dangerous substances, agents, 
or hazards at issue—here, COVID-19. See, e.g., Int’l Chem. Workers, 830 F.2d 
at 371 (noting OSHA’s stated 1$ 2 D/#/  !$)$)" *! B"-1  )" -C /*
support an ETS be based upon exposure in actual levels found in the 
workplace”). As it pertains to the vast majority of private employees covered 
by the Mandate, however, OSHA fails to meet this threshold burden. In 
defending the Mandate before this court, the Government credits OSHA 
with “describ[ing] myriad studies showing workplace [COVID-emOB'0./ -.C
)B*0/- &.C)*/# -.$")$!$)/B 1$ ) *!2*-&+' /-).($..$*)C
)B 3+osure.’” See Resp’ts’ Opp’n to Emergency Stay Mot. at 8. But this 
misses the mark, as OSHA is required to make findings of exposure—or at 
least the presence of COVID-19—in all covered workplaces.  
Of course, OSHA cannot possibly show that every workplace covered 
by the Mandate currently has COVID-positive employees, or that every 
industry covered by the Mandate has had or will have “outbreaks.” As 

No. 21-60845 
11 
discussed below, this kind of overbreadth plagues the Mandate generally. See 
infra subsection II.A.2.d. 
(c) 
Equally problematic, however, is that it remains unclear that COVID-
19—however tragic and devastating the pandemic has been—poses the kind 
of grave danger § 655(c)(1) contemplates. See, e.g., Int’l Chem. Workers, 830 
F.2d at 371 (noting that OSHA itself *) *)'0 D/#//* B"-1 
danger,’ it is not sufficient that a chemical, such as cadmium, can cause cancer 
or kidney damage at a high level of exposure” (emphasis added)). For starters, 
the Mandate itself concedes that the effects of COVID-19 may range from 
“mild” to “critical.” As important, however, the status of the spread of the 
virus has varied since the President announced the general parameters of the 
Mandate in September. (And of course, this all assumes that COVID-19 
poses any significant danger to workers to begin with; for the more than 
seventy-eight percent16 of Americans aged 12 and older either fully or partially 
inoculated against it, the virus poses—the Administration assures us—little 
risk at all.) See, e.g., 86 Fed. Reg. 61,402, 61,402–03 (“COVID-19 vaccines 
authorized or approved by the [FDA] effectively protect vaccinated 
individuals against severe illness and death from COVID-19.”). 
The Administration’s prior statements in this regard further belie the 
notion that COVID-19 poses the kind of emergency that allows OSHA to take 
the extreme measure of an ETS. In reviewing agency pronouncements, 
courts need not turn a blind eye to the statements of those issuing such 
pronouncements. See, e.g., FCC v. Fox Television Stations, Inc., 556 U.S. 502, 
515 (2009). In fact, courts have an affirmative duty not to do so. It is thus 
 
16 See CDC, Covid Data Tracker, https://covid.cdc.gov/covid-data-
tracker/#datatracker-home.  

No. 21-60845 
12 
critical to note that the Mandate makes no serious attempt to explain why 
OSHA and the President himself17 were against vaccine mandates before they 
were for one here. See, e.g., Occupational Exposure to Bloodborne Pathogens, 
54 Fed. Reg. 23,042, 23,045 (May 30, 1989) (“Health in general is an 
intensely personal matter. . . . OSHA prefers to encourage rather than try to 
force by governmental coercion, employee cooperation in [a] vaccination 
program.”); Letter from Loren Sweatt, Principal Deputy Assistant Sec’y, 
OSHA, to Richard L. Trumka, President, AFL-CIO at 3 (May 29, 2020) 
[hereinafter Sweatt Letter] (acknowledging as a general matter that it “would 
not be necessary for OSHA to issue an ETS to protect workers from 
infectious diseases” because “OSHA lacks evidence to conclude that all 
infectious diseases to which employees may be exposed at a workplace 
*)./$/0/ B"-1 )" -C!*-2#$#)$.)++-*+-$/ - ( dy”). 
Because it is generally “arbitrary or capricious” to “depart from a prior 
policy sub silentio,” agencies must typically provide a “detailed explanation” 
for contradicting a prior policy, particularly when the “prior policy has 
engendered serious reliance interests.” FCC v. Fox, 556 U.S. at 515. OSHA’s 
reversal here strains credulity, as does its pretextual basis.18 Such 
shortcomings are all hallmarks of unlawful agency actions. 
 
To be sure, “OSHA’s assessment of . . . scientifically complex [facts] 
and its balancing of the competing policies that underlie the decision whether 
to issue an ETS . . . are entitled to great deference,” but this is not a case 
 
17 In December of 2020, the President was quoted as saying, “No I don’t think 
[vaccines] should be mandatory.” See, e.g., Jacob Jarvis, Fact Check: Did Joe Biden Reject 
Idea of Mandatory Vaccines in December 2020, Newsweek (Sept. 10, 2021), 
https://www.newsweek.com/fact-check-joe-biden-no-vaccines-mandatory-december-
2020-1627774.  
18 See supra note 13 (Klain endorsement of the term “work-around”). 

No. 21-60845 
13 
where any amount of deference would make a bit of difference. Int’l Chem. 
Workers, 830 F.2d at 371.  
(d) 
We next consider the necessity of the Mandate. The Mandate is 
staggeringly overbroad. Applying to 2 out of 3 private-sector employees in 
America, in workplaces as diverse as the country itself, the Mandate fails to 
consider what is perhaps the most salient fact of all: the ongoing threat of 
COVID-19 is more dangerous to some employees than to other employees. All 
else equal, a 28 year-old trucker spending the bulk of his workday in the 
solitude of his cab is simply less vulnerable to COVID-19 than a 62 year-old 
prison janitor. Likewise, a naturally immune unvaccinated worker is 
presumably at less risk than an unvaccinated worker who has never had the 
virus. The list goes on, but one constant remains—the Mandate fails almost 
completely to address, or even respond to, much of this reality and common 
sense. 
Moreover, earlier in the pandemic, the Agency recognized the 
practical impossibility of tailoring an effective ETS in response to COVID-
19. See OSHA D.C. Circuit Brief at 16, 17, 21, 26 (“Based on substantial 
evidence, OSHA determined that an ETS is not necessary both because there 
are existing OSHA and non-OSHA standards that address COVID-19 and 
because an ETS would actually be counterproductive. . . . To address all 
employers and to do so with the requisite dispatch, an ETS would at best be 
an enshrinement of these general and universally known measures that are 
already enforceable through existing OSHA tools that require employers to 
assess and address extant hazards. OSHA’s time and resources are better 
spent issuing industry-specific guidance that adds real substance and permits 
flexibility as we learn more about this virus. Given that we learn more about 
COVID-19 every day, setting rules in stone through an ETS (and later a 

No. 21-60845 
14 
permanent rule) may undermine worker protection by permanently 
mandating precautions that later prove to be inefficacious. . . . [A]n ETS 
could only enshrine broad legal standards that are already in place or direct 
employers to develop COVID-19 response plans specific to their businesses, 
something employers are already doing. Such a step would be superfluous at 
best and could be counterproductive to ongoing state, local, and private 
efforts. . . . Additionally, employers may choose any effective method to 
abate a recognized hazard under the general duty clause. Contrary to AFL-
CIO’s argument, this flexibility is likely to improve worker safety, because 
employers must choose a means of abatement that eliminates the hazard or 
materially reduces it to the extent feasible.”). OSHA itself admitted that “an 
ETS once issued could very well become ineffective or counterproductive, as 
it may be informed by incomplete or ultimately inaccurate information.” Id. 
at 30, 32–33 (acknowledging further that “[a]dequate safeguards for workers 
could differ substantially based on geographic location, as the pandemic has 
had dramatically different impacts on different parts of the country. State and 
local requirements and guidance on COVID-19 are thus critical to employers 
in determining how to best protect workers, and OSHA must retain flexibility 
to adapt its advice regarding incorporation of such local guidance, where 
appropriate. . . . [A]n ETS meant to broadly cover all workers with potential 
exposure to COVID-19—effectively all workers across the country—would 
have to be written at such a general level that it would risk providing very 
little assistance at all”). 
In light of this immense complexity, one might naturally ask the 
Agency—is this situation truly amenable to a one-size-fits-all Mandate? The 
likely answer may be why OSHA has in the past “determined that the best 
approach for responding to the pandemic is to enforce the existing OSH Act 
requirements that address infectious disease hazards, while also issuing 
detailed, industry-specific guidance,” which is generally “more effective 

No. 21-60845 
15 
than promulgating a rigid set of requirements for all employers in all 
industries based on limited information.” See Sweatt Letter at 2. In sum, as 
OSHA itself has previously acknowledged, an ETS appears to be a “poorly-
suited approach for protecting workers against [COVID-19] because no 
standard that covers all of the Nation’s workers would protect all those 
workers equally.” See id. at 9. 
At the same time, the Mandate is also underinclusive. The most 
vulnerable worker in America draws no protection from the Mandate if his 
company employs 99 workers or fewer. The reason why? Because, as even 
OSHA admits, companies of 100 or more employers will be better able to 
administer (and sustain) the Mandate. See 86 Fed. Reg. 61,402, 61,403 
(“OSHA seeks information about the ability of employers with fewer than 
100 employees to implement COVID-19 vaccination and/or testing 
programs.”). That may be true. But this kind of thinking belies the premise 
that any of this is truly an emergency. Indeed, underinclusiveness of this sort 
is often regarded as a telltale sign that the government’s interest in enacting 
a liberty-restraining pronouncement is not in fact “compelling.” Cf. Church 
of the Lukumi Babalu Aye, Inc. v. City of Hialeah, 508 U.S. 520, 542–46 (1993) 
(city’s ban on religious animal sacrifice but corresponding allowance of other 
activities similarly endangering public health belied its purportedly 
“compelling” interest in safe animal disposal practices). The underinclusive 
nature of the Mandate implies that the Mandate’s true purpose is not to 
enhance workplace safety, but instead to ramp up vaccine uptake by any 
means necessary.19 
 
19 The Mandate is also underinclusive in the solutions it proposes. Indeed, even in 
its fullest force, the Mandate cannot prevent vaccinated employees from spreading the 
virus in the workplace, or prevent unvaccinated employees from spreading the virus in 
between weekly tests. 

No. 21-60845 
16 
(e) 
 
If the deficiencies we’ve already covered aren’t enough, other 
miscellaneous considerations seal the Mandate’s fate. For one, “[t]he 
Agency cannot use its ETS powers as a stop-gap measure,” Asbestos Info., 727 
F.2d at 422, but concedes that that is precisely what the Mandate is intended 
to do here. See 86 Fed. Reg. 61,402, 61,434–35 (admitting that “[c]rafting a 
multi-layered standard that is comprehensive and feasible for all covered 
work settings, including mixed settings of vaccinated and unvaccinated 
workers, is an extraordinarily challenging and complicated undertaking, yet 
the grave danger that COVID-19 poses to unvaccinated workers obliges the 
agency to act as quickly as possible”). For another, courts have consistently 
recognized that the “protection afforded to workers [by an ETS] should 
outweigh the economic consequences to the regulated industry,” Asbestos 
Info., 727 F.2d at 423, but for all the reasons we’ve previously noted, the 
Mandate flunks a cost-benefit analysis here.   
(f) 
 
It lastly bears noting that the Mandate raises serious constitutional 
concerns that either make it more likely that the petitioners will succeed on 
the merits, or at least counsel against adopting OSHA’s broad reading of 
§ 655(c) as a matter of statutory interpretation. 
 
First, the Mandate likely exceeds the federal government’s authority 
under the Commerce Clause because it regulates noneconomic inactivity that 
falls squarely within the States’ police power. A person’s choice to remain 
unvaccinated and forgo regular testing is noneconomic inactivity. Cf. NFIB 
v. Sebelius, 567 U.S. 519, 522 (2012) (Roberts, C.J., concurring); see also id. at 
652–53 (Scalia, J., dissenting). And to mandate that a person receive a vaccine 
or undergo testing falls squarely within the States’ police power. Zucht v. 
King, 260 U.S. 174, 176 (1922) (noting that precedent had long “settled that 

No. 21-60845 
17 
it is within the police power of a state to provide for compulsory 
vaccination”); Jacobson v. Massachusetts, 197 U.S. 11, 25–26 (1905) (similar). 
The Mandate, however, commandeers U.S. employers to compel millions of 
employees to receive a COVID-19 vaccine or bear the burden of weekly 
testing. 86 Fed. Reg. 61,402, 61,407, 61,437, 61,552. The Commerce Clause 
power may be expansive, but it does not grant Congress the power to regulate 
noneconomic inactivity traditionally within the States’ police power. See 
Sebelius, 567 U.S. at 554 (Roberts, C.J., concurring) (“People, for reasons of 
their own, often fail to do things that would be good for them or good for 
society. Those failures—joined with the similar failures of others—can 
readily have a substantial effect on interstate commerce. Under the 
Government’s logic, that authorizes Congress to use its commerce power to 
compel citizens to act as the Government would have them act.”); see also 
Bond v. United States, 572 U.S. 844, 854 (2014) (“The States have broad 
authority to enact legislation for the public good—what we have often called 
 B+*'$  +*2 -7C . . . The Federal Government, by contrast, has no such 
authority. . . .” (citations omitted)). Indeed, the courts “always have rejected 
readings of the Commerce Clause . . . that would permit Congress to exercise 
a police power.” United States v. Lopez, 514 U.S. 549, 584 (1995) (Thomas, 
J., concurring). In sum, the Mandate would far exceed current constitutional 
authority. 
 
Second, concerns over separation of powers principles cast doubt over 
the Mandate’s assertion of virtually unlimited power to control individual 
conduct under the guise of a workplace regulation. As Judge Duncan points 
out, the major questions doctrine confirms that the Mandate exceeds the 
bounds of OSHA’s statutory authority. Congress must “speak clearly if it 
wishes to assign to an agency decisions of vast economic and political 
significance.” Util. Air Regul. Grp. v. EPA, 573 U.S. 302, 324 (2014) (cleaned 
up). The Mandate derives its authority from an old statute employed in a 

No. 21-60845 
18 
novel manner,20 imposes nearly $3 billion in compliance costs, involves broad 
medical considerations that lie outside of OSHA’s core competencies, and 
purports to definitively resolve one of today’s most hotly debated political 
issues. Cf. MCI Telecomms. Corp. v. AT&T, 512 U.S. 218, 231 (1994) 
(declining to hold that the FCC could eliminate telecommunications rate-
filing requirements); FDA v. Brown & Williamson Tobacco Corp., 529 U.S. 
120, 159–60 (2000) (declining to hold that the FDA could regulate 
cigarettes); Gonzales v. Oregon, 546 U.S. 243, 262 (2006) (declining to allow 
DOJ to ban physician-assisted suicide). There is no clear expression of 
congressional intent in § 655(c) to convey OSHA such broad authority, and 
this court will not infer one. Nor can the Article II executive breathe new 
power into OSHA’s authority—no matter how thin patience wears. 
 
At the very least, even if the statutory language were susceptible to 
OSHA’s broad reading—which it is not—these serious constitutional 
concerns would counsel this court’s rejection of that reading. Jennings v. 
Rodriguez, 138 S. Ct. 830, 836 (2018). 
* 
* 
* 
Accordingly, the petitioners’ challenges to the Mandate show a great 
likelihood of success on the merits, and this fact weighs critically in favor of 
a stay. 
B. 
 
It is clear that a denial of the petitioners’ proposed stay would do them 
irreparable harm. For one, the Mandate threatens to substantially burden the 
 
20 Here, it is simply unlikely that Congress assigned authority over such a 
monumental policy decision to OSHA—hard hats and safety goggles, this is not. 

No. 21-60845 
19 
liberty interests21 of reluctant individual recipients put to a choice between 
their job(s) and their jab(s). For the individual petitioners, the loss of 
constitutional 
freedoms 
“for 
even 
minimal 
periods 
of 
time . . . unquestionably constitutes irreparable injury.” Elrod v. Burns, 427 
U.S. 347, 373 (1976) (“The loss of First Amendment freedoms, for even 
minimal periods of time, unquestionably constitutes irreparable injury.”). 
Likewise, the companies seeking a stay in this case will also be 
irreparably harmed in the absence of a stay, whether by the business and 
financial effects of a lost or suspended employee, compliance and monitoring 
costs associated with the Mandate, the diversion of resources necessitated by 
the Mandate, or by OSHA’s plan to impose stiff financial penalties on 
companies that refuse to punish or test unwilling employees. The Mandate 
places an immediate and irreversible imprint on all covered employers in 
America, and “complying with a regulation later held invalid almost always 
produces the irreparable harm of nonrecoverable compliance costs.” See 
Texas v. EPA, 829 F.3d 405, 433 (5th Cir. 2016) (quoting Thunder Basin Coal 
Co. v. Reich, 510 U.S. 200, 220–21 (1994) (Scalia, J., concurring in part and 
in the judgment)). 
The States, too, have an interest in seeing their constitutionally 
reserved police power over public health policy defended from federal 
overreach. 
C. 
 
In contrast, a stay will do OSHA no harm whatsoever. Any interest 
OSHA may claim in enforcing an unlawful (and likely unconstitutional) ETS 
is illegitimate. Moreover, any abstract “harm” a stay might cause the Agency 
 
21 Not to mention the free religious exercise of certain employees. See U.S. 
Const. amend. I; cf. Holt v. Hobbs, 574 U.S. 352, 361 (2015). 

No. 21-60845 
20 
pales in comparison and importance to the harms the absence of a stay 
threatens to cause countless individuals and companies. 
D. 
 
For similar reasons, a stay is firmly in the public interest. From 
economic uncertainty to workplace strife, the mere specter of the Mandate 
has contributed to untold economic upheaval in recent months. Of course, 
the principles at stake when it comes to the Mandate are not reducible to 
dollars and cents. The public interest is also served by maintaining our 
constitutional structure and maintaining the liberty of individuals to make 
intensely personal decisions according to their own convictions—even, or 
perhaps particularly, when those decisions frustrate government officials.  
* 
* 
* 
 
The Constitution vests a limited legislative power in Congress. For 
more than a century, Congress has routinely used this power to delegate 
policymaking specifics and technical details to executive agencies charged 
with effectuating policy principles Congress lays down. In the mine run of 
cases—a transportation department regulating trucking on an interstate 
highway, or an aviation agency regulating an airplane lavatory—this is 
generally well and good. But health agencies do not make housing policy, and 
occupational safety administrations do not make health policy. Cf. Ala. Ass’n 
of Realtors, 141 S. Ct. at 2488–90. In seeking to do so here, OSHA runs afoul 
of the statute from which it draws its power and, likely, violates the 
constitutional structure that safeguards our collective liberty. 
 
For these reasons, the petitioners’ motion for a stay pending review is 
GRANTED. Enforcement of the Occupational Safety and Health 
Administration’s “COVID-19 Vaccination and Testing; Emergency 

No. 21-60845 
21 
Temporary Standard”22 remains STAYED pending adequate judicial review 
of the petitioners’ underlying motions for a permanent injunction.23 
 
In addition, IT IS FURTHER ORDERED that OSHA take no 
steps to implement or enforce the Mandate until further court order. 
 
 
22 86 Fed. Reg. 61,402 (Nov. 5, 2021) (to be codified at 29 C.F.R. pts. 1910, 1915, 
1917, 1918, 1926, and 1928). 
23 The Clerk of Court shall ensure that this order applies with equal force to all 
related motions consolidated into this case in accordance with the court’s November 6, 
2021 order. 

No. 21-60845 
22 
Stuart Kyle Duncan, Circuit Judge, concurring: 
In addition to the many reasons ably identified by Judge Engelhardt’s 
opinion, I underscore one reason why these challenges to OSHA’s 
unprecedented mandate are virtually certain to succeed. 
Courts “expect Congress to speak clearly when authorizing an agency 
/* 3 -$. +*2 -.*!B1./ *)*($)+*'$/$'.$")$!$) 7CEAla. Ass’n 
of Realtors v. Dep’t of Health & Human Servs., 141 S. Ct. 2485, 2489 (2021) 
(quoting Utility Air Regul. Grp. v. EPA, 573 U.S. 302, 324 (2014)). OSHA’s 
rule reaches “two-thirds of all private-sector workers in the nation.”86 Fed. 
Reg. 61,402, 61,403 (Nov. 5, 2021). It compels covered employers to (1) make 
employees get vaccinated or get weekly tests at their expense and wear 
masks; (2) “remove” non-complying employees; (3) pay per-violation fines; 
and (4) keep records of employee vaccination or testing status. 86 Fed. Reg. 
at 61,402–03, 61,551–54; 29 U.S.C. § 666. OSHA invokes no statute 
expressly authorizing the rule. Instead, OSHA issued it under an emergency 
provision addressing workplace “substances,” “agents,” or “hazards” that 
it has used only ten times in the last 50 years and never to mandate vaccines. 
86 Fed. Reg. at 61,403; see 29 U.S.C. § 655(c)(1). 
Whether Congress could enact such a sweeping mandate under its 
interstate commerce power would pose a hard question. See NFIB v. Sebelius, 
567 U.S. 519, 549–61 (2012). Whether OSHA can do so does not. 
I concur in granting a stay.           
 

EXHIBIT 3 

United States Court of Appeals 
for the Fifth Circuit 
 
 
No. 21-60845 
 
 
BST Holdings, L.L.C.; RV Trosclair, L.L.C.; Trosclair 
Airline, L.L.C.; Trosclair Almonaster, L.L.C.; 
Trosclair and Sons, L.L.C.; Trosclair ; Trosclair, 
Incorporated; Trosclair Carrollton, L.L.C.; Trosclair 
Claiborne, L.L.C.; Trosclair Donaldsonville, L.L.C.; 
Trosclair Houma, L.L.C.; Trosclair Judge Perez, L.L.C.; 
Trosclair Lake Forest, L.L.C.; Trosclair Morrison, 
L.L.C.; Trosclair Paris, L.L.C.; Trosclair Terry, L.L.C.; 
Trosclair Williams, L.L.C.; Ryan Dailey; Jasand 
Gamble; Christopher L. Jones; David John Loschen; 
Samuel Albert Reyna; Kip Stovall; Answers in Genesis, 
Incorporated; American Family Association, 
Incorporated; Burnett Specialists; Choice Staffing, 
L.L.C.; Staff Force, Incorporated; Leadingedge 
Personnel, Limited; State of Texas; HT Staffing, 
Limited; doing business as HT Group; The State of 
Louisiana; Cox Operating, L.L.C.; Dis-Tran Steel, 
L.L.C.; Dis-Tran Packaged Substations, L.L.C.; Beta 
Engineering, L.L.C. Optimal Field Services, L.L.C.; The 
State of Mississippi; Gulf Coast Restaurant Group, 
Incorporated; The State of South Carolina; The State 
of Utah; Word of God Fellowship, Incorporated, doing 
busines as Daystar Television Network,  
 
Petitioners, 
 
versus 
 
Occupational Safety and Health Administration, 
United States Department of Labor; United States 
United States Court of Appeals 
Fifth Circuit 
FILED 
November 6, 2021 
 
Lyle W. Cayce 
Clerk 

No. 21-60845 
2 
Department of Labor; Martin J. Walsh, Secretary, U.S. 
Department of Labor;  Douglas Parker, in his Official 
Capacity as Assistant Secretary of Labor for 
Occupational Safety and Health, 
 
Respondents. 
 
 
Petition for Review of  
Occupational Safety and Health Administration 
Emergency Temporary Standard 
 
 
Before Jones, Duncan, and Engelhardt, Circuit Judges. 
Per Curiam:*
Before the court is the petitioners’1 emergency motion to stay 
enforcement of the Occupational Safety and Health Administration’s 
November 5, 2021 Emergency Temporary Standard2 (the “Mandate”) 
pending expedited judicial review.  
Because the petitions give cause to believe there are grave statutory 
and constitutional issues with the Mandate, the Mandate is hereby STAYED 
pending further action by this court. 
 
* Pursuant to 5th Circuit Rule 47.5, the court has determined that this 
opinion should not be published and is not precedent except under the limited 
circumstances set forth in 5th Circuit Rule 47.5.4. 
1 This order addresses only the emergency motion filed by the above-captioned 
petitioners. Going forward, the Clerk of Court shall ensure that all related motions and 
petitions in this court be consolidated under this case number, and that all parties—
including the Government—make all related filings in this case. 
2 See COVID-19 Vaccination and Testing; Emergency Temporary Standard, 86 
Fed. Reg. 61,402 (Nov. 5, 2021) (to be codified at 29 C.F.R. pts. 1910, 1915, 1917, 1918, 
1926, and 1928). 

No. 21-60845 
3 
The Government shall respond to the petitioners’ motion for a 
permanent injunction by 5:00 PM on Monday, November 8. 
The petitioners shall file any reply by 5:00 PM on Tuesday, November 
9. 
 
So ordered. 
 
 
 
 

EXHIBIT 4 

AFFIDAVIT OF ALFREDO ORTIZ 
1. 
My name is Alfredo Ortiz. I am over the age of 18 and am competent to make this 
declaration. The facts set forth in this declaration are based on my personal 
knowledge. 
2. 
I am the president and CEO of Job Creators Network (“JCN”), a not-for-profit 
organization registered under section 501(c)(4) of the Internal Revenue Code.   
3. 
JCN’s mission is to educate employees of Main Street America, in order to protect 
the 85 million people who depend on the success of small businesses. Members join 
JCN through its website and receive a weekly newsletter, policy updates, 
educational materials, regional and local networking events and media 
opportunities that amplify their interests with policymakers and the broader public.  
4. 
JCN provides its members with the tools to become the voice of free enterprise in 
the media, in Congress, in state capitals, in their communities, and their 
workplaces – allowing them to hold policymakers and politicians accountable to job 
creators and their employees.  When JCN members suffer injury due to bad public 
policy, JCN amplifies their stories in the media to educate policymakers and the 
public about the significant consequences of bad public policy in an attempt to 
rectify it. 
5. 
JCN supports over thirty million small businesses nationwide, many of whom 
provide such important public benefits that they were deemed “essential” during 
the COVID lockdowns. But after surviving the lockdowns and the height of the 
pandemic, these businesses now face substantial, imminent, and irreparable loss 
because of the recent OSHA vaccine mandate.  
6. 
To be clear, JCN is not anti-vaccine. In fact, JCN and many of its members 
encourage their employees to get COVID vaccines—but they do not agree with a 
government-imposed mandate that will cause incredible injury to businesses, 
citizens, and the national economy. 
7. 
The country—and smaller businesses in particular—is facing a severe labor 
shortage, with companies struggling to hire enough workers to keep up with 
demand. The strain is even more severe for companies that require workers to have 
certain licenses or training, which makes the pool of applicants even smaller. 
8. 
If any sizable number of unvaccinated employees quit rather than subject 
themselves to involuntary vaccination or weekly testing, those companies will 
necessarily lose work, damage their reputations, and face a distinct possibility of 
shutting down. 
9. 
And it is not mere conjecture that workers will leave companies rather than comply. 
Given the labor shortage, it is easy for those employees to leave a company with 100 

or more employees (covered by the mandate) and go to a smaller company (not 
covered by the mandate). In fact, even before any deadlines in the mandate take 
legal effect, workers will leave for new jobs in order to maximize their future 
employment opportunities.  
10. 
On top of the labor issues caused by the mandate, there will be dramatic compliance 
costs: JCN members will have to stand up systems to track their vaccinated 
employees and weekly testing of unvaccinated employees. Any oversight or mistake 
during this process could lead to fines of nearly $14,000. Further, companies have 
been left in the dark about whether they will have to pay for the tracking system 
and frequent testing, which tests are acceptable, whether costs can or should be 
passed along to employees, and whether the companies will be liable if an employee 
suffers an adverse effect from the vaccine.  
11. 
JCN members like Lawrence Trucking Company and Guy Chemical—whose leaders 
are submitting their own affidavits in this matter—provide confirmation of the 
incredible damage the mandate will cause to smaller businesses regulated by the 
mandate. They are merely the tip of the iceberg, as the mandate will allegedly apply 
to 100 million workers across the country, regardless of industry. 
12. 
On October 19, 2021, I participated in a call with representatives from OSHA, 
Office of Information and Regulatory Affairs and the Small Business 
Administration to try and persuade them not to issue the mandate, or to narrow its 
scope dramatically. But these agencies said they were not allowed to reveal 
anything about the scope of the mandate until it was issued publicly. The lack of 
transparency and public involvement and scrutiny in formulating the mandate has 
provided its own harms because JCN members have no idea what would be included 
in the mandate, what exceptions might apply, or even whether they will actually be 
covered by it. 
13. 
I declare under penalty of perjury that the foregoing is true and correct. 
Executed on: October 21, 2021                                              
                                                                                     ___________________________ 
 
 
 
                                                               Alfredo Ortiz 











AFFIDAVIT OF GARY RABINE 
 My name is Gary Rabine. I am over the age of 18 and am competent to make this
declaration. The facts set forth in this declaration are based on my personal
knowledge.
 I am the founder and chairman of the Rabine Group of Companies, whichincludes 
over a dozen separate entities in Illinois, totaling over 300 employees. I amalso a 
cofounder and shareholder of Pipe View America where we have over 100
employees. Our companies specialize in repairing parking lots, roofs, doors and
commercial docks, and HVAC systems, as well as in snow removal.
 Because of our employee totals, we are subject to the new OSHA emergency
vaccine mandate, which requires employees to receive a coronavirus vaccine or get
tested frequently, with noncompliance resulting in major fines.
 The new OSHA vaccine mandate causes irreparable and imminent harm to the
Rabine Group and each of its companies. We are already facing severe labor
shortages and are struggling to find enough workers to keep up with our customers’
needs.
 Many of our employees must have specialized training and knowledge about
industry safety, machinery and repair processes—knowledge that cannot be learned
quickly. For all of these reasons, our companies face a limited pool of potential hires
to fill any vacancies, and new hires cannot become immediately operational.
 Based on my own personal knowledge, I estimate that approximately 20% of our
employees would refuse to comply with the mandate. If forced to comply, some of
them would find jobs with smaller companies not covered (yet) by a federal vaccine
mandate, but others would be left jobless. Many of our employees have been with us
for decades and are like family. They are not job hoppers who know how to move
from one job to the next.
 If 20% of our workers cannot show up, we would no longer be a profitable
enterprise. This is especially true because the employees we’d lose are among our
leadership team and often the hardest working: people who love freedom and have
strong independent minds become our greatest leaders and get the job done. These
employees would be unable to provide for their families, pay bills, or even spend
money on necessities—causing a cascading loss of wealth and economic activity in
the smaller towns where many of our employees live. The loss of these people will
cause a downsizing that will cause additional teammates, whether vaccinated or
not, to be laid off.
 If this happens, we would undoubtedly lose substantial business and clients to
other companies because customers’ repair work needs to be done as soon as
possible. They cannot wait weeks or months for us to recruit and train more

employees. We would suffer tremendous financial and reputational damages from 
not being able to show up quickly to emergency jobs.
9. There would also be terrible consequences for the public. People depend on our
companies to arrive within hours, if not minutes, to repair failing roofs, parking lots
with sink holes and pot holes, failing HVAC systems on cold days, and broken
ramps, docks, and doors that prevent buildings from being operational. These
customers can face legal liability if they do not get repairs finished quickly. We
provide those services—but we will be unable to meet demand because of the
vaccine mandate.
10. Because of the critical services we provide, all of our construction services
companies in the Rabine Group of Companies were deemed “essential” during the
lockdowns.
11. After everything our companies—and other small businesses just like them—
have been through in the last two years, it is unthinkable that the federal
government would impose this mandate. It is a catastrophic job killer and an
offensive and financially devastating violation of liberty.
12. I declare under penalty of perjury that the foregoing is true and correct.
Executed on: October ______, 2021 
_______________________
Gary Rabine
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EXHIBIT 6 

61402 
Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
DEPARTMENT OF LABOR 
Occupational Safety and Health 
Administration 
29 CFR Parts 1910, 1915, 1917, 1918, 
1926, and 1928 
[Docket No. OSHA–2021–0007] 
RIN 1218–AD42 
COVID–19 Vaccination and Testing; 
Emergency Temporary Standard 
AGENCY: Occupational Safety and Health 
Administration (OSHA), Department of 
Labor. 
ACTION: Interim final rule; request for 
comments. 
SUMMARY: The Occupational Safety and 
Health Administration (OSHA) is 
issuing an emergency temporary 
standard (ETS) to protect unvaccinated 
employees of large employers (100 or 
more employees) from the risk of 
contracting COVID–19 by strongly 
encouraging vaccination. Covered 
employers must develop, implement, 
and enforce a mandatory COVID–19 
vaccination policy, with an exception 
for employers that instead adopt a 
policy requiring employees to either get 
vaccinated or elect to undergo regular 
COVID–19 testing and wear a face 
covering at work in lieu of vaccination. 
DATES: The rule is effective November 5, 
2021. The incorporation by reference of 
certain publications listed in the rule is 
approved by the Director of the Federal 
Register as of November 5, 2021. 
Compliance dates: Compliance dates 
for specific provisions are in 29 CFR 
1910.501(m). 
Comments: Written comments, 
including comments on any aspect of 
this ETS and whether this ETS should 
become a final rule, must be submitted 
by December 6, 2021 in Docket No. 
OSHA–2021–0007. Comments on the 
information collection determination 
described in Additional Requirements 
(Section V.K. of this preamble) (OMB 
review under the Paperwork Reduction 
Act of 1995) may be submitted by 
January 4, 2022 in Docket No. OSHA– 
2021–0008. 
ADDRESSES: In accordance with 28 
U.S.C. 2112(a), the Agency designates 
Edmund C. Baird, the Associate 
Solicitor for Occupational Safety and 
Health, Office of the Solicitor, U.S. 
Department of Labor, to receive 
petitions for review of the ETS. Service 
can be accomplished by email to zzSOL- 
Covid19-ETS@dol.gov. 
Written comments. You may submit 
comments and attachments, identified 
by Docket No. OSHA–2021–0007, 
electronically at www.regulations.gov, 
which is the Federal e-Rulemaking 
Portal. Follow the online instructions 
for making electronic submissions. 
Instructions: All submissions must 
include the agency’s name and the 
docket number for this rulemaking 
(Docket No. OSHA–2021–0007). All 
comments, including any personal 
information you provide, are placed in 
the public docket without change and 
may be made available online at 
www.regulations.gov. Therefore, OSHA 
cautions commenters about submitting 
information they do not want made 
available to the public, or submitting 
materials that contain personal 
information (either about themselves or 
others), such as Social Security 
Numbers and birthdates. 
Docket: To read or download 
comments or other material in the 
docket, go to Docket No. OSHA–2021– 
0007 at www.regulations.gov. All 
comments and submissions are listed in 
the www.regulations.gov index; 
however, some information (e.g., 
copyrighted material) is not publicly 
available to read or download through 
that website. All comments and 
submissions, including copyrighted 
material, are available for inspection 
through the OSHA Docket Office. 
Documents submitted to the docket by 
OSHA or stakeholders are assigned 
document identification numbers 
(Document ID) for easy identification 
and retrieval. The full Document ID is 
the docket number plus a unique four- 
digit code. OSHA is identifying 
supporting information in this ETS by 
author name and publication year, when 
appropriate. This information can be 
used to search for a supporting 
document in the docket at http://
www.regulations.gov. Contact the OSHA 
Docket Office at 202–693–2350 (TTY 
number: 877–889–5627) for assistance 
in locating docket submissions. 
FOR FURTHER INFORMATION CONTACT: 
General information and press 
inquiries: Contact Frank Meilinger, 
OSHA Office of Communications, U.S. 
Department of Labor; telephone (202) 
693–1999; email OSHAComms@dol.gov. 
For technical inquiries: Contact 
Andrew Levinson, OSHA Directorate of 
Standards and Guidance, U.S. 
Department of Labor; telephone (202) 
693–1950; email ETS@dol.gov. 
SUPPLEMENTARY INFORMATION: The 
preamble to the ETS on COVID–19 
vaccination and testing follows this 
outline: 
Table of Contents 
I. Executive Summary and Request for 
Comment 
A. Executive Summary 
B. Request for Comment 
II. Pertinent Legal Authority 
III. Rationale for the ETS 
A. Grave Danger 
B. Need for the ETS 
IV. Feasibility 
A. Technological Feasibility 
B. Economic Analysis 
V. Additional Requirements 
VI. Summary and Explanation 
A. Purpose 
B. Scope and Application 
C. Definitions 
D. Employer Policy on Vaccination 
E. Determination of Employee Vaccination 
Status 
F. Employer Support for Employee 
Vaccination 
G. COVID–19 Testing for Employees Who 
Are Not Fully Vaccinated 
H. Employee Notification to Employer of a 
Positive COVID–19 Test and Removal 
I. Face Coverings 
J. Information Provided to Employees 
K. Reporting COVID–19 Fatalities and 
Hospitalizations to OSHA 
L. Availability of Records 
M. Dates 
N. Severability 
O. Incorporation by Reference 
VII. Authority and Signature 
I. Executive Summary and Request for 
Comment 
A. Executive Summary 
This ETS is based on the requirements 
of the Occupational Safety and Health 
Act (OSH Act or Act) and legal 
precedent arising under the Act. Under 
section 6(c)(1) of the OSH Act, 29 U.S.C. 
655(c)(1), OSHA shall issue an ETS if 
the agency determines that employees 
are subject to grave danger from 
exposure to substances or agents 
determined to be toxic or physically 
harmful or from new hazards, and an 
ETS is necessary to protect employees 
from such danger. These legal 
requirements are more fully discussed 
in Pertinent Legal Authority (Section II. 
of this preamble). This ETS does not 
apply to workplaces subject to E.O. 
14042 on Requiring Coronavirus Disease 
2019 Vaccination for Federal 
Contractors. In addition, OSHA will 
treat federal agencies’ compliance with 
E.O. 14043, and the Safer Federal 
Workforce Task Force guidance issued 
under section 4(e) of Executive Order 
13991 and section 2 of Executive Order 
14043, as sufficient to meet their 
obligations under the OSH Act and E.O. 
12196. 
COVID–19 has killed over 725,000 
people in the United States in less than 
two years, and infected millions more 
(CDC, October 18, 2021—Cumulative 
US Deaths). The pandemic continues to 
affect workers and workplaces. While 
COVID–19 vaccines authorized or 
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61403 
Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
approved by the U.S. Food and Drug 
Administration (FDA) effectively protect 
vaccinated individuals against severe 
illness and death from COVID–19, 
unvaccinated individuals remain at 
much higher risk of severe health 
outcomes from COVID–19. Further, 
unvaccinated workers are much more 
likely to contract and transmit COVID– 
19 in the workplace than vaccinated 
workers. OSHA has determined that 
many employees in the U.S. who are not 
fully vaccinated against COVID–19 face 
grave danger from exposure to SARS– 
CoV–2 in the workplace. This finding of 
grave danger is based on the severe 
health consequences associated with 
exposure to the virus along with 
evidence demonstrating the 
transmissibility of the virus in the 
workplace and the prevalence of 
infections in employee populations, as 
discussed in Grave Danger (Section 
III.A. of this preamble). 
OSHA has also determined that an 
ETS is necessary to protect 
unvaccinated workers from the risk of 
contracting COVID–19 at work, as 
discussed in Need for the ETS (Section 
III.B. of this preamble). At the present 
time, workers are becoming seriously ill 
and dying as a result of occupational 
exposures to COVID–19, when a simple 
measure, vaccination, can largely 
prevent those deaths and illnesses. The 
ETS protects these workers through the 
most effective and efficient control 
available—vaccination—and further 
protects workers who remain 
unvaccinated through required regular 
testing, use of face coverings, and 
removal of all infected employees from 
the workplace. OSHA also concludes, 
based on its enforcement experience 
during the pandemic to date, that 
continued reliance on existing standards 
and regulations, the General Duty 
Clause of the OSH Act, 29 U.S.C. 
654(a)(1), and workplace guidance, in 
lieu of an ETS, is not adequate to protect 
unvaccinated employees from the grave 
danger of being infected by, and 
suffering death or serious health 
consequences from, COVID–19. 
OSHA will continue to monitor trends 
in COVID–19 infections and death as 
more of the workforce and the general 
population become fully vaccinated 
against COVID–19 and the pandemic 
continues to evolve. Where OSHA finds 
a grave danger from the virus no longer 
exists for the covered workforce (or 
some portion thereof), or new 
information indicates a change in 
measures necessary to address the grave 
danger, OSHA will update this ETS, as 
appropriate. 
This ETS applies to employers with a 
total of 100 or more employees at any 
time the standard is in effect. In light of 
the unique occupational safety and 
health dangers presented by COVID–19, 
and against the backdrop of the 
uncertain economic environment of a 
pandemic, OSHA is proceeding in a 
stepwise fashion in addressing the 
emergency this rule covers. OSHA is 
confident that employers with 100 or 
more employees have the administrative 
capacity to implement the standard’s 
requirements promptly, but is less 
confident that smaller employers can do 
so without undue disruption. OSHA 
needs additional time to assess the 
capacity of smaller employers, and is 
seeking comment to help the agency 
make that determination. Nonetheless, 
the agency is acting to protect workers 
now in adopting a standard that will 
reach two-thirds of all private-sector 
workers in the nation, including those 
working in the largest facilities, where 
the most deadly outbreaks of COVID–19 
can occur. 
The agency has also evaluated the 
feasibility of this ETS and has 
determined that the requirements of the 
ETS are both economically and 
technologically feasible, as outlined in 
Feasibility (Section IV. of this 
preamble). The specific requirements of 
the ETS are outlined and described in 
Summary and Explanation (Section VI. 
of this preamble). 
B. Request for Comment 
Although this ETS takes effect 
immediately, it also serves as a proposal 
under Section 6(b) of the OSH Act (29 
U.S.C. 655(b)) for a final standard. 
Accordingly, OSHA seeks comment on 
all aspects of this ETS and whether it 
should be adopted as a final standard. 
OSHA encourages commenters to 
explain why they prefer or disfavor 
particular policy choices, and include 
any relevant studies, experiences, 
anecdotes or other information that may 
help support the comment. In 
particular, OSHA seeks comments on 
the following topics: 
1. Employers with fewer than 100 
employees. As noted above and fully 
discussed in the Summary and 
Explanation for Scope and Application 
(Section VI.B. of this preamble), OSHA 
has implemented a 100-employee 
threshold for the requirements of this 
standard to focus the ETS on companies 
that OSHA is confident will have 
sufficient administrative systems in 
place to comply quickly with the ETS. 
The agency is moving in a stepwise 
fashion on the short timeline 
necessitated by the danger presented by 
COVID–19 while soliciting stakeholder 
comment and additional information to 
determine whether to adjust the scope 
of the ETS to address smaller employers 
in the future. OSHA seeks information 
about the ability of employers with 
fewer than 100 employees to implement 
COVID–19 vaccination and/or testing 
programs. Have you instituted 
vaccination mandates (with or without 
alternatives), or requirements for regular 
COVID–19 testing or face covering use? 
What have been the benefits of your 
approach? What challenges have you 
had or could you foresee in 
implementing such programs? Is there 
anything specific to your industry, or 
the size of your business, that poses 
particular obstacles in implementing the 
requirements in this standard? How 
much time would it take, what types of 
costs would you incur, and how much 
would it cost for you to implement such 
requirements? 
2. Significant Risk. If OSHA were to 
finalize a rule based on this ETS, it 
would be a standard adopted under 6(b) 
of the OSH Act, which requires a 
finding of significant risk from exposure 
to COVID–19. As discussed more fully 
in Pertinent Legal Authority (Section II. 
of this preamble), this is a lower 
showing of risk than grave danger, the 
finding required to issue a 6(c) 
emergency temporary standard. How 
should the scope of the rule change to 
address the significant risk posed by 
COVID–19 in the workplace? Should 
portions of the rule, such as face 
coverings, apply to fully vaccinated 
persons? 
3. Prior COVID–19 infections. OSHA 
determined that workers who have been 
infected with COVID–19 but have not 
been fully vaccinated still face a grave 
danger from workplace exposure to 
SARS–CoV–2. This is an area of ongoing 
scientific inquiry. Given scientific 
uncertainty and limitations in testing for 
infection and immunity, OSHA is 
concerned that it would be infeasible for 
employers to operationalize a standard 
that would permit or require an 
exception from vaccination or testing 
and face covering based on prior 
infection with COVID–19. Is there 
additional scientific information on this 
topic that OSHA should consider as it 
determines whether to proceed with a 
permanent rule? 
In particular, what scientific criteria 
can be used to determine whether a 
given employee is sufficiently protected 
against reinfection? Are there any 
temporal limits associated with this 
criteria to account for potential 
reductions in immunity over time? Do 
you require employees to provide 
verification of infection with COVID– 
19? If so, what kinds of verification do 
you accept (i.e., PCR testing, antigen 
testing, etc.)? What challenges have you 
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61404 
Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
1 The Secretary has delegated most of his duties 
under the OSH Act to the Assistant Secretary of 
Labor for Occupational Safety and Health. 
Secretary’s Order 08–2020, 85 FR 58393 (Sept. 18, 
2020). This section uses the terms Secretary and 
OSHA interchangeably. 
experienced, if any, in operationalizing 
such an exception? 
4. Experience with COVID–19 
vaccination policies. Should OSHA 
impose a strict vaccination mandate 
(i.e., all employers required to 
implement mandatory vaccination 
policies as defined in this ETS) with no 
alternative compliance option? OSHA 
seeks information on COVID–19 
vaccination policies that employers 
have implemented to protect workers. If 
you have implemented a COVID–19 
vaccination policy: 
(a) When did you implement it, and 
what does your policy require? Was 
vaccination mandatory or voluntary 
under the policy? Do you offer 
vaccinations on site? What costs 
associated with vaccination did you 
cover under the policy? What 
percentage of your workforce was 
vaccinated as a result? Do you offer paid 
leave for receiving a vaccination? If 
vaccination is mandatory, have 
employees been resistant and if so what 
steps were required to enforce the 
policy? 
(b) How did you verify that employees 
were vaccinated? Are there other 
reliable means of vaccination 
verification not addressed by the ETS 
that should be included? Did you allow 
attestation where the employee could 
not find other proof, and if so, have you 
experienced any difficulties with this 
approach? Have you experienced any 
issues with falsified records of 
vaccination, and if so, how did you deal 
with them? 
(c) Have you experienced a decrease 
in infection rates or outbreaks after 
implementing this policy? 
(d) If you have received any requests 
for reasonable accommodation from 
vaccination, what strategies did you 
implement to address the 
accommodation and ensure worker 
safety (e.g., telework, working in 
isolation, regular testing and the use of 
face coverings)? 
5. COVID–19 testing and removal. 
OSHA seeks information on COVID–19 
testing and removal practices 
implemented to protect workers. 
(a) Do you have a testing and removal 
policy in your workplace and, if so, 
what does it require? How often do you 
require testing and what types of testing 
do you use (e.g., at-home tests, tests 
performed at laboratories, tests 
performed at your worksites)? What 
costs have you incurred as part of your 
testing and removal policies? Do you 
have difficulty in finding adequate 
availability of tests? How often? Have 
you experienced any issues with 
falsified test results, and if so, how did 
you deal with them? Have you 
experienced other difficulties in 
implementing a testing and removal 
scheme, including the length of time to 
obtain COVID–19 test results? Do you 
offer paid leave for testing? 
(b) How often have you detected and 
removed COVID–19 positive employees 
from the workplace under this policy? 
Do you provide paid leave and job 
protection to employees you remove for 
this reason? 
(c) Should OSHA require testing more 
often than on a weekly basis? 
6. Face coverings. As discussed in the 
Summary and Explanation for Face 
Coverings (Section VI.I. of this 
preamble), ASTM released a 
specification standard on February 15, 
2021, to establish a national standard 
baseline for barrier face coverings 
(ASTM F3502–21). Should OSHA 
require the use of face coverings 
meeting the ASTM F3502–21 standard 
instead of the face coverings specified 
by the ETS? If so, should OSHA also 
require that such face coverings meet 
the NIOSH Workplace Performance or 
Workplace Performance Plus criteria 
(see CDC, September 23, 2021)? Are 
there particular workplace settings in 
which face coverings meeting one 
standard should be favored over 
another? Are there alternative criteria 
OSHA should consider for face 
coverings instead of the F3502–21 
standard or NIOSH Workplace 
Performance or Workplace Performance 
Plus criteria? Is there sufficient capacity 
to supply face coverings meeting 
F3502–01 and/or NIOSH Workplace 
Performance or Workplace Performance 
Plus criteria to all employees covered by 
the ETS? What costs have you incurred 
as part of supplying employees with 
face coverings meeting the appropriate 
criteria? 
7. Other controls. This ETS requires 
employees to either be fully vaccinated 
against COVID–19 or be tested weekly 
and wear face coverings, based on the 
type of policy their employer adopts. It 
stops short of requiring the full suite of 
workplace controls against SARS–CoV– 
2 transmission recommended by OSHA 
and the CDC, including distancing, 
barriers, ventilation, and sanitation. As 
OSHA explained in Need for the ETS 
(Section III.B. of this preamble), OSHA 
has determined that it needs more 
information before imposing these 
requirements on the entire scope of 
industries and employers covered by the 
standard. OSHA is interested in hearing 
from employers about their experience 
in implementing a full suite of 
workplace controls against COVID–19. 
What measures have you taken to 
protect employees against COVID–19 in 
your workplace? Are there controls that 
you attempted to employ but found 
ineffective or infeasible? What are they? 
Why did you conclude that they were 
they ineffective or infeasible; for 
example, are there particular aspects of 
your workplace or industry that make 
certain controls infeasible? Do you 
require both fully vaccinated and 
unvaccinated employees to comply with 
these controls? Have you experienced a 
reduction in infection rates or outbreaks 
since implementing these controls? 
8. Educational materials. Have you 
implemented any policies or provided 
any information that has been helpful in 
encouraging an employee to be 
vaccinated? 
9. Feasibility and health impacts. Do 
you have any experience or data that 
would inform OSHA’s estimates in its 
economic feasibility analysis or any of 
the assumptions or estimates used in 
OSHA’s identification of the number of 
hospitalizations prevented and lives 
saved from its health impacts analysis 
(see OSHA, October 2021c)? 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, October 18). COVID Data 
Tracker. https://covid.cdc.gov/covid- 
data-tracker/. (CDC, October 18, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 23). Types of 
Masks and Respirators. https://
www.cdc.gov/coronavirus/2019-ncov/ 
prevent-getting-sick/types-of-masks.html. 
(CDC, September 23, 2021) 
Occupational Safety and Health 
Administration (OSHA). (2021c, 
October). Health Impacts of the COVID– 
19 Vaccination and Testing ETS. (OSHA, 
October 2021c) 
II. Pertinent Legal Authority 
The purpose of the Occupational 
Safety and Health Act of 1970 (OSH 
Act), 29 U.S.C. 651 et seq., is ‘‘to assure 
so far as possible every working man 
and woman in the Nation safe and 
healthful working conditions and to 
preserve our human resources.’’ 29 
U.S.C. 651(b). To this end, Congress 
authorized the Secretary of Labor 
(Secretary) to promulgate and enforce 
occupational safety and health 
standards under sections 6(b) and (c) of 
the OSH Act.1 29 U.S.C. 655(b). These 
provisions provide bases for issuing 
occupational safety and health 
standards under the Act. Once OSHA 
has established as a threshold matter 
that a health standard is necessary 
under section 6(b) or (c)—i.e., to reduce 
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61405 
Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
a significant risk of material health 
impairment, or a grave danger to 
employee health—the Act gives the 
Secretary ‘‘almost unlimited discretion 
to devise means to achieve the 
congressionally mandated goal’’ of 
protecting employee health, subject to 
the constraints of feasibility. See United 
Steelworkers of Am. v. Marshall, 647 
F.2d 1189, 1230 (D.C. Cir. 1981). A 
standard’s individual requirements need 
only be ‘‘reasonably related’’ to the 
purpose of ensuring a safe and healthful 
working environment. Id. at 1237, 1241; 
see also Forging Indus. Ass’n v. Sec’y of 
Labor, 773 F.2d 1436, 1447 (4th Cir. 
1985). OSHA’s authority to regulate 
employers is hedged by constitutional 
considerations and, pursuant to section 
4(b)(1) of the OSH Act, the regulations 
and enforcement policies of other 
federal agencies. See, e.g., Chao v. 
Mallard Bay Drilling, Inc., 534 U.S. 235, 
241 (2002). 
The OSH Act in section 6(c)(1) states 
that the Secretary ‘‘shall’’ issue an 
emergency temporary standard (ETS) 
upon a finding that the ETS is necessary 
to address a grave danger to workers. 
See 29 U.S.C. 655(c). In particular, the 
Secretary shall provide, without regard 
to the requirements of chapter 5, title 5, 
United States Code, for an emergency 
temporary standard to take immediate 
effect upon publication in the Federal 
Register if the Secretary makes two 
determinations: That employees are 
exposed to grave danger from exposure 
to substances or agents determined to be 
toxic or physically harmful or from new 
hazards, and that such emergency 
standard is necessary to protect 
employees from such danger. 29 U.S.C. 
655(c)(1). A separate section of the OSH 
Act, section 8(c), authorizes the 
Secretary to prescribe regulations 
requiring employers to make, keep, and 
preserve records that are necessary or 
appropriate for the enforcement of the 
Act. 29 U.S.C. 657(c)(1). Section 8(c) 
also provides that the Secretary shall 
require employers to keep records of, 
and report, work-related deaths and 
illnesses. 29 U.S.C. 657(c)(2). 
The ETS provision, section 6(c)(1), 
exempts the Secretary from procedural 
requirements contained in the OSH Act 
and the Administrative Procedure Act, 
including those for public notice, 
comments, and a rulemaking hearing. 
See, e.g., 29 U.S.C. 655(b)(3); 5 U.S.C. 
552, 553. 
The Secretary must issue an ETS in 
situations where employees are exposed 
to a ‘‘grave danger’’ and immediate 
action is necessary to protect those 
employees from such danger. 29 U.S.C. 
655(c)(1); Pub. Citizen Health Research 
Grp. v. Auchter, 702 F.2d 1150, 1156 
(D.C. Cir. 1983). The determination of 
what exact level of risk constitutes a 
‘‘grave danger’’ is a ‘‘policy 
consideration that belongs, in the first 
instance, to the Agency.’’ Asbestos Info. 
Ass’n, 727 F.2d at 425 (accepting 
OSHA’s determination that eighty lives 
at risk over six months was a grave 
danger); Indus. Union Dep’t, AFL–CIO v. 
Am. Petroleum Inst., 448 U.S. 607, 655 
n.62 (1980). However, a ‘‘grave danger’’ 
represents a risk greater than the 
‘‘significant risk’’ that OSHA must show 
in order to promulgate a permanent 
standard under section 6(b) of the OSH 
Act, 29 U.S.C. 655(b). Int’l Union, 
United Auto., Aerospace, & Agr. 
Implement Workers of Am., UAW v. 
Donovan, 590 F. Supp. 747, 755–56 
(D.D.C. 1984), adopted, 756 F.2d 162 
(D.C. Cir. 1985); see also Indus. Union 
Dep’t, AFL–CIO, 448 U.S. at 640 n.45 
(noting the distinction between the 
standard for risk findings in permanent 
standards and ETSs). 
In determining the type of health 
effects that may constitute a ‘‘grave 
danger’’ under the OSH Act, the Fifth 
Circuit emphasized ‘‘the danger of 
incurable, permanent, or fatal 
consequences to workers, as opposed to 
easily curable and fleeting effects on 
their health.’’ Fla. Peach Growers Ass’n, 
Inc. v. U. S. Dep’t of Labor, 489 F.2d 
120, 132 (5th Cir. 1974). Although the 
findings of grave danger and necessity 
must be based on evidence of ‘‘actual, 
prevailing industrial conditions,’’ see 
Int’l Union, 590 F. Supp. at 751, when 
OSHA determines that exposure to a 
particular hazard would pose a grave 
danger to workers, OSHA can assume an 
exposure to a grave danger wherever 
that hazard is present in a workplace. 
Dry Color Mfrs. Ass’n, Inc. v. Dep’t of 
Labor, 486 F.2d 98, 102 n.3 (3d Cir. 
1973). 
In demonstrating whether OSHA had 
shown that an ETS is necessary, the 
Fifth Circuit considered whether OSHA 
had another available means of 
addressing the risk that would not 
require an ETS. Asbestos Info. Ass’n, 
727 F.2d at 426 (holding that necessity 
had not been proven where OSHA could 
have increased enforcement of already- 
existing standards to address the grave 
risk to workers from asbestos exposure). 
Additionally, a standard must be both 
economically and technologically 
feasible in order to be ‘‘reasonably 
necessary and appropriate’’ under 
section 3(8) and, by inference, 
‘‘necessary’’ under section 6(c)(1)(B) of 
the Act. Cf. Am. Textile Mfrs. Inst., Inc. 
v. Donovan, 452 U.S. 490, 513 n.31 
(1981) (noting ‘‘any standard that was 
not economically or technologically 
feasible would a fortiori not be 
‘reasonably necessary or appropriate’ ’’ 
as required by the OSH Act’s definition 
of ‘‘occupational safety and health 
standard’’ in section 3(8)); see also 
Florida Peach Growers, 489 F.2d at 130 
(recognizing that the promulgation of 
any standard, including an ETS, must 
account for its economic effect). 
However, given that section 6(c) is 
aimed at enabling OSHA to protect 
workers in emergency situations, the 
agency is not required to make a 
feasibility showing with the same rigor 
as in ordinary section 6(b) rulemaking. 
Asbestos Info. Ass’n, 727 F.2d at 424 
n.18. 
On judicial review of an ETS, OSHA 
is entitled to great deference on the 
determinations of grave danger and 
necessity required under section 6(c)(1). 
See, e.g., Pub. Citizen Health Research 
Grp., 702 F.2d at 1156; Asbestos Info. 
Ass’n, 727 F.2d at 422 (judicial review 
of these legislative determinations 
requires deference to the agency); cf. 
Am. Dental Ass’n v. Martin, 984 F.2d 
823, 831 (7th Cir. 1993) (‘‘the duty of a 
reviewing court of generalist judges is 
merely to patrol the boundary of 
reasonableness’’). These determinations 
are ‘‘essentially legislative and rooted in 
inferences from complex scientific and 
factual data.’’ Pub. Citizen Health 
Research Grp., 702 F.2d at 1156. The 
agency is not required to support its 
conclusions ‘‘with anything 
approaching scientific certainty,’’ Indus. 
Union Dep’t, AFL–CIO, 448 U.S. at 656, 
and has the ‘‘prerogative to choose 
between conflicting evidence.’’ Asbestos 
Info. Ass’n, 727 F.2d at 425. 
The determinations of the Secretary in 
issuing standards under section 6 of the 
OSH Act, including ETSs, must be 
affirmed if supported by ‘‘substantial 
evidence in the record considered as a 
whole.’’ 29 U.S.C. 655(f). The Supreme 
Court described substantial evidence as 
‘‘such relevant evidence as a reasonable 
mind might accept as adequate to 
support a conclusion.’’ Am. Textile 
Mfrs. Inst., 452 U.S. at 522–23 (quoting 
Universal Camera Corp. v. NLRB, 340 
U.S. 474, 477 (1951)). The Court also 
noted that ‘‘the possibility of drawing 
two inconsistent conclusions from the 
evidence does not prevent an 
administrative agency’s finding from 
being supported by substantial 
evidence.’’ Id. at 523 (quoting Consolo 
v. FMC, 383 U.S. 607, 620 (1966)). The 
Fifth Circuit, recognizing the size and 
complexity of the rulemaking record 
before it in the case of OSHA’s ETS for 
organophosphorus pesticides, stated 
that a court’s function in reviewing an 
ETS to determine whether it meets the 
substantial evidence standard is 
‘‘basically [to] determine whether the 
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Secretary carried out his essentially 
legislative task in a manner reasonable 
under the state of the record before 
him.’’ Fla Peach Growers Ass’n, 489 
F.2d at 129. 
Although Congress waived the 
ordinary rulemaking procedures in the 
interest of ‘‘permitting rapid action to 
meet emergencies,’’ section 6(e) of the 
OSH Act, 29 U.S.C. 655(e), requires 
OSHA to include a statement of reasons 
for its action when it issues any 
standard. Dry Color Mfrs., 486 F.2d at 
105–06 (finding OSHA’s statement of 
reasons inadequate). By requiring the 
agency to articulate its reasons for 
issuing an ETS, the requirement acts as 
‘‘an essential safeguard to emergency 
temporary standard-setting.’’ Id. at 106. 
However, the Third Circuit noted that it 
did not require justification of ‘‘every 
substance, type of use or production 
technique,’’ but rather a ‘‘general 
explanation’’ of why the standard is 
necessary. Id. at 107. 
ETSs are, by design, temporary in 
nature. Under section 6(c)(3), an ETS 
serves as a proposal for a permanent 
standard in accordance with section 6(b) 
of the OSH Act (permanent standards), 
and the Act calls for the permanent 
standard to be finalized within six 
months after publication of the ETS. 29 
U.S.C. 655(c)(3); see Fla. Peach Growers 
Ass’n, 489 F.2d at 124. The ETS is 
effective ‘‘until superseded by a 
standard promulgated in accordance 
with’’ section 6(c)(3). 29 U.S.C. 
655(c)(2). 
Section 6(c)(1) states that the 
Secretary ‘‘shall’’ provide for an ETS 
when OSHA makes the prerequisite 
findings of grave danger and necessity. 
See Pub. Citizen Health Research Grp., 
702 F.2d at 1156 (noting the mandatory 
language of section 6(c)). OSHA is 
entitled to great deference in its 
determinations, and it must also 
account for ‘‘the fact that ‘the interests 
at stake are not merely economic 
interests in a license or a rate structure, 
but personal interests in life and 
health.’ ’’ Id. (quoting Wellford v. 
Ruckelshaus, 439 F.2d 598, 601 (D.C. 
Cir. 1971)). 
When OSHA issues a standard 
pursuant to section 6—whether 
permanent or an ETS—section 18 of the 
OSH Act provides that OSHA’s standard 
preempts any state occupational safety 
or health standard ‘‘relating to [the 
same] occupational safety or health 
issue’’ as the Federal standard. 29 U.S.C. 
667(b); see also Gade v. Nat’l Solid 
Wastes Mgmt. Ass’n, 505 U.S. 88, 97 
(1992). A state can avoid preemption 
only if it submits, and receives Federal 
approval for, a state plan for the 
development and enforcement of 
standards pursuant to section 18 of the 
Act, which must be ‘‘at least as 
effective’’ as the Federal standards. 29 
U.S.C. 667; Indus. Truck Ass’n v. Henry, 
125 F.3d 1305, 1311 (9th Cir. 1997). 
However, the OSH Act does not 
preempt state laws of ‘‘general 
applicability’’ that regulate workers and 
non-workers alike, so long as they do 
not conflict with an OSHA standard. 
Gade, 505 U.S. at 107. 
As discussed in detail elsewhere in 
this preamble, OSHA has determined 
that a grave danger exists necessitating 
a new ETS (see Grave Danger and Need 
for the ETS, Sections III.A. and III.B. of 
this preamble), and that compliance 
with this ETS is feasible for covered 
employers (see Feasibility, Section IV. of 
this preamble). OSHA has also provided 
a more detailed explanation of each 
provision of this ETS in Summary and 
Explanation (Section VI. of this 
preamble). In addition, OSHA wishes to 
provide here some general guidance on 
its legal authority to regulate COVID–19 
hazards, and for particular provisions of 
this ETS. 
As a threshold matter, OSHA’s 
authority to regulate workplace 
exposure to biological hazards like 
SARS–CoV–2 is well-established. 
Section 6(b)(5) of the OSH Act uses 
similar language to section 6(c)(1)(A): 
The former sets forth requirements for 
promulgating permanent standards 
addressing ‘‘toxic materials or harmful 
physical agents,’’ and the latter 
authorizes OSHA to promulgate an ETS 
addressing ‘‘substances or agents 
determined to be toxic or physically 
harmful’’ (as well as ‘‘new hazards’’). 
OSHA has consistently identified 
biological hazards similar to SARS– 
CoV–2, as well as SARS–CoV–2 itself, to 
be ‘‘toxic materials or harmful physical 
agents’’ under the Act. Indeed, in its 
exposure and medical records access 
regulation, OSHA has defined ‘‘toxic 
materials or harmful physical agents’’ to 
include ‘‘any . . . biological agent 
(bacteria, virus, fungus, etc.)’’ for which 
there is evidence that it poses a chronic 
or acute health hazard. 29 CFR 
1910.1020(c)(13). And in addition to 
previously regulating exposure to 
SARS–CoV–2 as a new and physically 
harmful agent in the Healthcare ETS 
(see, e.g., 86 FR at 32381), OSHA has 
also previously regulated biological 
hazards like SARS–CoV–2 as health 
hazards under section 6(b)(5), for 
example in the Bloodborne Pathogens 
(BBP) standard, 29 CFR 1910.1030, 
which addresses workplace exposure to 
HIV and Hepatitis B. The BBP standard 
was upheld (except as to application in 
certain limited industries) in American 
Dental Association, which observed that 
‘‘the infectious character’’ of the 
regulated bloodborne diseases might 
warrant ‘‘more regulation than would be 
necessary in the case of a 
noncommunicable disease.’’ 984 F.2d at 
826. In addition, in the preamble to the 
respiratory protection standard, 29 CFR 
1910.134, which was also promulgated 
under section 6(b)(5), ‘‘OSHA 
emphasize[d] that [the] respiratory 
protection standard does apply to 
biological hazards.’’ Respiratory 
Protection, 63 FR 1152–01, 1180 (Jan. 8, 
1998) (citing Mahone Grain Corp., 10 
BNA OSHC 1275 (No. 77–3041, 1981)). 
In addition to being a physically 
harmful agent covered by section 
6(c)(1)(A), SARS–CoV–2 is also, without 
question, a ‘‘new hazard’’ covered by 
this provision, as discussed in more 
detail in Grave Danger (Section III.A. of 
this preamble). SARS–CoV–2 was not 
known to exist until January 2020, and 
since then more than 725,000 people 
have died from COVID–19 in the U.S. 
alone (CDC, October 18, 2021— 
Cumulative US Deaths). 
Turning to specific provisions of this 
standard, the vaccination requirements 
in this ETS are also well within the 
bounds of OSHA’s authority. 
Vaccination can be a critical tool in the 
pursuit of health and safety goals, 
particularly in response to an infectious 
and highly communicable disease. See, 
e.g., Jacobson v. Commonwealth of 
Mass., 197 U.S. 11, 27–28 (1905) 
(recognizing use of smallpox vaccine as 
a reasonable measure to protect public 
health and safety); Klaassen v. Trustees 
of Ind. Univ., 7 F.4th 592, 593 (7th Cir. 
2021) (citing Jacobson and noting that 
vaccination may be an appropriate 
safety measure against SARS–CoV–2 as 
‘‘[v]accination protects not only the 
vaccinated persons but also those who 
come in contact with them’’). And the 
OSH Act itself explicitly acknowledges 
that such treatments might be necessary, 
in some circumstances. 29 U.S.C. 
669(a)(5) (providing in the Act’s 
provisions on research and related 
activities conducted by the Secretary of 
Health and Human Services to aid 
OSHA in its formulation of health and 
safety standards that ‘‘[n]othing in this 
or any other provision of this Act shall 
be deemed to authorize or require 
medical examination, immunization, or 
treatment for those who object thereto 
on religious grounds, except where such 
is necessary for the protection of the 
health or safety of others.’’ (emphasis 
added)). In recognition of the health and 
safety benefits provided by vaccination, 
OSHA has previously exercised its 
authority to promulgate vaccine-related 
requirements in the COVID–19 
Healthcare ETS (29 CFR 1910.502(m)) 
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2 OSHA notes that while the ETS does not impose 
these testing or face covering costs on employers, 
in some circumstances employers may be required 
to pay for the costs related to testing and/or face 
coverings by other laws, regulations, or collectively 
negotiated agreements. OSHA has no authority 
under the OSH Act to determine whether such 
obligations under other laws, regulations, or 
agreements might exist. 
3 OSHA is defining the grave danger as workplace 
exposure to SARS–CoV–2, the virus that causes the 
development of COVID–19. COVID–19 is the 
disease that can occur in people exposed to SARS- 
CoV–2, and that leads to the health effects 
described in this section. This distinction applies 
despite OSHA’s use of the terms SARS–CoV–2 and 
COVID–19 interchangeably in some parts of this 
preamble. 
4 OSHA refers to the grave danger from 
occupational exposure to SARS–CoV–2 throughout 
this document. Those references are intended to 
encompass exposure to SARS–CoV–2 and all 
variants of SARS–CoV–2, including the Delta 
variant. 
and the BBP standard (29 CFR 
1910.1030(f)). The BBP standard 
illustrates congressional understanding 
that the statutory delegation of authority 
to OSHA to issue standards includes 
authority for vaccine provisions, where 
appropriate. See Public Law 102–170, 
Title I, Section 100, 105 Stat. 1107 
(1991) (directing OSHA to complete the 
BBP rulemaking by a date certain, and 
providing that if OSHA did not do so, 
the proposed rule, which included a 
vaccine provision, would become the 
final standard). 
Additionally, OSHA’s authority to 
require employers to bear the costs of 
particular provisions of a standard is 
solidly grounded in the OSH Act. The 
Act reflects Congress’s determination 
that the costs of compliance with the 
Act and OSHA standards are part of the 
cost of doing business and OSHA may 
foreclose employers from shifting those 
costs to employees. See Am. Textile 
Mfrs. Inst., 452 U.S. at 514; Phelps 
Dodge Corp. v. OSHRC, 725 F.2d 1237, 
1239–40 (9th Cir. 1984); see also Sec’y 
of Labor v. Beverly Healthcare-Hillview, 
541 F.3d 193 (3d Cir. 2008). Consistent 
with this authority, OSHA has largely 
required employers to bear the costs of 
the provisions of this ETS, including the 
typical costs associated with 
vaccination. The allocation of 
vaccination costs to employers in this 
ETS is similar to OSHA’s treatment of 
vaccine-related costs in the COVID–19 
Healthcare ETS and the BBP standards. 
See 29 CFR 1910.502(m), (p); 29 CFR 
1910.1030(f)(1)(ii)(A). 
The OSH Act provides OSHA with 
discretion, however, to decide whether 
to impose certain costs—such as those 
related to medical examinations or other 
tests—on employers ‘‘[w]here [it 
determines that such costs are] 
appropriate.’’ 29 U.S.C. 655(b)(7). OSHA 
has determined that for purposes of this 
ETS, it would not be ‘‘appropriate’’ to 
impose on employers any costs 
associated with COVID–19 testing for 
employees who choose not to be 
vaccinated. For most of the agency’s 
existing standards containing medical 
testing and removal provisions, OSHA 
has found it necessary to impose the 
costs of such provisions on employers 
in order to remove barriers to employee 
participation in medical examinations 
that are critical to effectuating the 
standards’ safety and health protections. 
See United Steelworkers of Am., 647 
F.2d at 1229–31, 1237–38. However, as 
explained in greater detail elsewhere in 
this preamble (see Need for the ETS, 
Section III.B. of this preamble), the 
ETS’s safety and health protections are 
best effectuated by employee 
vaccination, not testing. Accordingly, 
OSHA only requires employers to bear 
the costs of employee compliance with 
the preferred, and more protective, 
vaccination provision, but not costs 
associated with testing. The agency does 
not believe it appropriate to impose the 
costs of testing on an employer where 
an employee has made an individual 
choice to pursue a less protective 
option. For the same reasons, OSHA has 
also determined that it is not 
appropriate to require employers to pay 
for face coverings for employees who 
choose not to be vaccinated.2 
Finally, the Act and its legislative 
history ‘‘both demonstrate 
unmistakably’’ OSHA’s authority to 
require employers to temporarily 
remove workers from the workplace to 
prevent exposure to a health hazard. 
United Steelworkers of Am., 647 F.2d at 
1230. And again, this is an authority 
OSHA has repeatedly exercised in prior 
standards, including in: COVID–19 
Healthcare ETS (29 CFR 1910.502); Lead 
(29 CFR 1910.1025); Cadmium (29 CFR 
1910.1027); Benzene (29 CFR 
1910.1028); Formaldehyde (29 CFR 
1910.1048); Methylenedianiline (29 CFR 
1910.1050); Methylene Chloride (29 
CFR 1910.1052); and Beryllium (29 CFR 
1910.1024). It is equally appropriate to 
impose that obligation here. 
For all of these reasons, as well as 
those explained more fully in other 
areas of this preamble, OSHA has the 
authority—and obligation—to 
promulgate this ETS. 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, October 18). COVID Data 
Tracker. https://covid.cdc.gov/covid- 
data-tracker/. (CDC, October 18, 2021) 
III. Rationale for the ETS 
A. Grave Danger 
I. Introduction 
Section 6(c)(1) of the OSH Act 
requires the Secretary to issue an ETS in 
situations where employees are exposed 
to a ‘‘grave danger’’ and immediate 
action is necessary to protect those 
employees from such danger (29 U.S.C. 
655(c)(1)). Consistent with its legal 
duties, OSHA is issuing this ETS to 
address the grave danger posed by 
occupational exposure to SARS–CoV–2, 
the virus that causes COVID–19.3 OSHA 
has determined that occupational 
exposure to SARS–CoV–2, including the 
Delta variant (B.1.617.2 and AY 
lineages), presents a grave danger to 
unvaccinated workers in the U.S., with 
several exceptions explained below.4 
This finding of grave danger is based on 
the science of how the virus spreads, the 
transmissibility of the disease in 
workplaces, and the serious adverse 
health effects, including death, that can 
be suffered by those who are diagnosed 
with COVID–19. The protections of this 
ETS—which will apply, with some 
limitations, to a broad range of 
workplace settings where exposure to 
SARS–CoV–2 may occur—are designed 
to protect employees from infection 
with SARS–CoV–2 and from the dire, 
sometimes fatal, consequences of such 
infection. 
The fact that COVID–19 is not a 
uniquely work-related hazard does not 
change the determination that it is a 
grave danger to which employees are 
exposed, nor does it excuse employers 
from their duty to protect employees 
from the occupational transmission of 
SARS–CoV–2. The OSH Act is intended 
to ‘‘assure so far as possible every 
working man and woman in the Nation 
safe and healthful working conditions’’ 
(29 U.S.C. 651(b)), and there is nothing 
in the Act to suggest that its protections 
do not extend to hazards which might 
occur outside of the workplace as well 
as within. Indeed, COVID–19 is not the 
first hazard that OSHA has regulated 
that occurs both inside and outside the 
workplace. For example, the hazard of 
noise is not unique to the workplace, 
but the Fourth Circuit has upheld 
OSHA’s Occupational Noise Exposure 
standard (29 CFR 1910.95) (Forging 
Industry Ass’n v. Sec’ of Labor, 773 F.2d 
1437, 1444 (4th Cir. 1985)). Diseases 
caused by bloodborne pathogens, 
including HIV/AIDS and hepatitis B, are 
also not unique to the workplace, but 
the Seventh Circuit upheld the majority 
of OSHA’s Bloodborne Pathogens 
standard (29 CFR 1910.1030) (Am. 
Dental Ass’n v. Martin, 984 F.2d 823 
(7th Cir. 1993)). OSHA’s Sanitation 
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5 See the definitions for the different levels of 
severity of COVID–19 illness in the National 
Institutes of Health’s COVID–19 treatment 
guidelines (NIH, October 12, 2021). 
6 When OSHA refers to ‘‘unvaccinated’’ 
individuals in its grave danger finding, it means all 
individuals who are not fully vaccinated against 
COVID–19, i.e., those who are completely 
unvaccinated and those who are partially 
vaccinated. 
standard, 29 CFR 1910.141, which 
requires measures such as cleaning, 
waste disposal, potable water, toilets, 
and washing facilities, addresses 
hazards that exist everywhere—both 
within and outside of workplaces. 
Moreover, employees have more 
freedom to control their environment 
outside of work, and to make decisions 
about their behavior and their contact 
with others to better minimize their risk 
of exposure. However, during the 
workday, while under the control of 
their employer, workers may have little 
ability to limit contact with coworkers, 
clients, members of the public, patients, 
and others, any one of whom could 
represent a source of exposure to SARS– 
CoV–2. OSHA has a mandate to protect 
employees from hazards they are 
exposed to at work, even if they may be 
exposed to similar hazards outside of 
work. 
As described above in Pertinent Legal 
Authority (Section II. of this preamble), 
‘‘grave danger’’ indicates a risk that is 
more than ‘‘significant’’ (Int’l Union, 
United Auto., Aerospace, & Agr. 
Implement Workers of Am., UAW v. 
Donovan, 590 F. Supp. 747, 755–56 
(D.D.C. 1984); Indus. Union Dep’t, AFL– 
CIO v. Am. Petroleum Inst., 448 U.S. 
607, 640 n.45, 655 (1980) (stating that a 
rate of 1 worker in 1,000 workers 
suffering a given health effect 
constitutes a ‘‘significant’’ risk)). ‘‘Grave 
danger,’’ according to one court, refers 
to ‘‘the danger of incurable, permanent, 
or fatal consequences to workers, as 
opposed to easily curable and fleeting 
effects on their health’’ (Fla. Peach 
Growers Ass’n, Inc. v. U.S. Dep’t of 
Labor, 489 F.2d 120, 132 (5th Cir. 
1974)). Fleeting effects were described 
as nausea, excessive salivation, 
perspiration, or blurred vision and were 
considered so minor that they often 
went unreported; these effects are in 
stark contrast with the adverse health 
effects of COVID–19 infections, which 
are formally referenced as ranging from 
‘‘mild’’ to ‘‘critical,’’ 5 but which can 
involve significant illness, hospital 
stays, ICU care, death, and long-term 
health complications for survivors. 
Beyond this, however, ‘‘the 
determination of what constitutes a risk 
worthy of Agency action is a policy 
consideration that belongs, in the first 
instance, to the Agency’’ (Asbestos Info. 
Ass’n/N. Am. v. OSHA, 727 F.2d 415, 
425 (5th Cir. 1984)). 
In the context of ordinary 6(b) 
rulemaking, the Supreme Court has said 
that the OSH Act is not a ‘‘mathematical 
straitjacket,’’ nor does it require the 
agency to support its findings ‘‘with 
anything approaching scientific 
certainty,’’ particularly when operating 
on the ‘‘frontiers of scientific 
knowledge’’ (Indus. Union Dep’t, AFL– 
CIO v. Am. Petroleum Inst., 448 U.S. 
607, 655–56 (1980)). Courts reviewing 
OSHA’s determination of grave danger 
do so with ‘‘great deference’’ (Pub. 
Citizen Health Research Grp. v. 
Auchter, 702 F.2d 1150, 1156 (D.C. Cir. 
1983)). In one case, the Fifth Circuit, in 
reviewing an OSHA ETS for asbestos, 
declined to question the agency’s 
finding that 80 worker lives at risk 
nationwide over six months constituted 
a grave danger (Asbestos Info. Ass’n/N. 
Am., 727 F.2d at 424). OSHA estimates 
that this ETS would save over 6,500 
worker lives and prevent over 250,000 
hospitalizations over the course of the 
next six months (OSHA, October 2021c). 
Here, the mortality and morbidity risk to 
employees from COVID–19 is so dire 
that the grave danger from exposures to 
SARS–CoV–2 is clear. 
SARS–CoV–2 is both a physically 
harmful agent and a new hazard (see 29 
U.S.C. 655(c)(1)(A)). The majority of 
OSHA’s previous ETSs addressed toxic 
substances that had been familiar to the 
agency for many years prior to issuance 
of the ETS. OSHA’s Healthcare ETS, 
issued in response to COVID–19 earlier 
this year, is one notable exception. In 
most cases, OSHA’s ETSs were issued in 
response to new information about 
substances that had been used in 
workplaces for decades (e.g., Vinyl 
Chloride (39 FR 12342 (April 5, 1974)); 
Benzene (42 FR 22516 (May 3, 1977)); 
1,2-Dibromo-3-chloropropane (42 FR 
45536 (Sept. 9, 1977))). In some cases, 
the hazards of the toxic substance were 
already so well established that OSHA 
promulgated an ETS simply to update 
an existing standard (e.g., Vinyl cyanide 
(43 FR 2586 (Jan. 17, 1978))). The 
COVID–19 Healthcare ETS, which was 
issued in June 2021, was the sole 
instance in which OSHA issued an ETS 
to address a grave danger from a 
substance that had only recently come 
into existence. Although that action by 
the agency was challenged, the case has 
not gone to briefing (see United Food & 
Commercial Workers Int’l Union, AFL– 
CIO, CLC and AFL–CIO v. OSHA, Dep’t 
of Labor, D.C. Circuit No. 21–1143). 
Thus, no court has had occasion to 
examine OSHA’s authority under 
section (6)(c) of the OSH Act (29 U.S.C. 
655(c)) to address a grave danger from 
a ‘‘new hazard.’’ Yet by any measure, 
SARS–CoV–2 is a new hazard. Unlike 
any of the hazards addressed in 
previous ETSs, there were no 
documented cases of SARS–CoV–2 
infections in the United States until 
January 2020. Since then, more than 
725,000 people have died in the U.S. 
alone (CDC, October 18, 2021— 
Cumulative US Deaths). The pandemic 
continues to affect workers and 
workplaces, with workplace exposures 
leading to further exposures among 
workers’ families and communities. 
Clearly, SARS–CoV–2 is both a 
physically harmful agent and a new 
hazard that presents a grave danger to 
workers in the U.S. 
Published on June 21, 2021, OSHA’s 
Healthcare ETS (86 FR 32376) was 
written in response to the grave danger 
posed to healthcare workers in the 
United States who faced a heightened 
risk of infection from COVID–19. In the 
healthcare ETS, OSHA described its 
finding of grave danger for healthcare 
and healthcare support service workers 
(see 86 FR 32381–32412). OSHA now 
finds that all unvaccinated workers, 
with some exceptions, face a grave 
danger from the SARS–CoV–2 virus.6 
II. Nature of the Disease 
The health effects of symptomatic 
COVID–19 illness can range from mild 
disease consisting of fever or chills, 
cough, and shortness of breath to severe 
disease. Severe cases can involve 
respiratory failure, blood clots, long- 
term cardiovascular and neurological 
effects, and organ damage, which can 
lead to hospitalization, ICU admission, 
and death (see 86 FR 32383–32388; 
NINDS, September 2, 2021). Even in the 
short time since the Healthcare ETS’s 
publication in June 2021, the risk posed 
by COVID–19 has changed 
meaningfully. Since OSHA considered 
the impact of COVID–19 when 
promulgating the Healthcare ETS, over 
135,000 additional Americans have died 
from COVID–19, and over 933,000 have 
been hospitalized, (CDC, October 18, 
2021—Cumulative US Deaths; CDC, 
May 28, 2021; CDC, October 18, 2021— 
Weekly Review). In August 2021, 
COVID–19 was the third leading cause 
of death in the United States, trailing 
only heart disease and cancer (Ortaliza 
et al., August 27, 2021). By September 
20, 2021, COVID–19 had killed as many 
Americans as the 1918–1919 flu 
pandemic (Johnson, September 20, 
2021). 
While the Healthcare ETS addresses 
the risk of illness and death from 
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COVID–19 as the SARS–CoV–2 virus 
continues to change over time, it does 
not specifically address the increases in 
infectiousness and transmission, and 
the potentially more severe health 
effects, related to the Delta variant. The 
rapid rise to predominance of the Delta 
variant in the U.S. occurred shortly after 
the ETS was published. At this time, the 
widespread prevalence of the Delta 
variant and its increased 
transmissibility have resulted in 
increased risk of exposure and disease 
relative to the previously-dominant 
strains of the SARS–CoV–2 virus. 
Adding to the information covered in 
the Healthcare ETS, the following 
sections provide a brief review of 
SARS–CoV–2 and describe the 
characteristics of the Delta variant that 
are different from previous versions of 
SARS–CoV–2 and have changed the 
risks posed by COVID–19. The agency 
specifically references the material 
presented in the Healthcare ETS, which 
is still relevant to this analysis, to 
support OSHA’s finding of grave danger. 
Taken together, the information 
available to OSHA demonstrates that 
SARS–CoV–2 poses a grave danger to 
unvaccinated workers across all 
industry sectors. 
a. Variants of SARS–CoV–2 
Viral mutations have been a serious 
concern of scientists, public health 
experts, and policymakers from the 
beginning of the COVID–19 pandemic. 
Viral mutations can affect how a virus 
interacts with a cell—altering the virus’s 
transmissibility, infection severity, and 
sensitivity to vaccines. The U.S. 
government’s SARS–CoV–2 Interagency 
Group has a variant classification 
scheme that defines four classes of 
SARS–CoV–2 variants: Variants Being 
Monitored (VBM), Variants of Interest 
(VOI), Variants of Concern (VOC), and 
Variants of High Consequence (VOHC). 
These variant designations are based on 
their ‘‘proportions at the national and 
regional levels and the potential or 
known impact of the constellation of 
mutations on the effectiveness of 
medical countermeasures, severity of 
disease, and ability to spread from 
person to person’’ (CDC, October 4, 
2021), with VOIs considered less serious 
than VOCs and VOCs considered less 
serious than VOHCs. As of early October 
2021, the CDC was monitoring 10 
VBMs—Alpha (B.1.1.7, Q.1–Q.8), Beta 
(B.1.351, B.1.351.2, B.1.351.3), Gamma 
(P.1, P.1.1, P.1.2), Epsilon (B.1.427 and 
B.1.429), Eta (B.1.525), Iota (B.1.526), 
Kappa (B.1.617.1), B.1.617.3, Mu 
(B.1.621, B.1.621.1), and Zeta (P.2)—and 
one VOC—Delta (B.1.617.2 and AY.1 
sublineages)—in the U.S. (CDC, October 
4, 2021). CDC defines a VOC as ‘‘[a] 
variant for which there is evidence of an 
increase in transmissibility, more severe 
disease (e.g., increased hospitalizations 
or deaths), significant reduction in 
neutralization by antibodies generated 
during previous infection or 
vaccination, reduced effectiveness of 
treatments or vaccines, or diagnostic 
detection failures’’ (CDC, October 4, 
2021). 
While the proportions of SARS–CoV– 
2 variants in the United States have 
shifted over time (CDC, May 24, 2021c; 
CDC, October 18, 2021—Variant 
Proportions, July through October 2021), 
the primary variant that drove COVID– 
19 transmission in the late Winter and 
Spring of 2021 was the Alpha variant. 
The CDC noted that Alpha is associated 
with an increase in transmission, as 
well as potentially increased incidences 
of hospitalization and death, compared 
to the predominant variants before its 
emergence (CDC, October 4, 2021; 
Pascall et al., August 24, 2021; Julin et 
al., September 22, 2021). As Alpha 
transmission subsided in the United 
States during the late Spring and early 
Summer of 2021, Delta emerged and 
quickly became the predominant variant 
in the U.S. by July 3, 2021 (CDC, 
October 18, 2021—Variant Proportions, 
July through October 2021). Delta now 
accounts for more than 99% of 
circulating virus nationwide (CDC, 
October 18, 2021—Variant Proportions, 
July through October 2021). 
FDA authorized and approved 
COVID–19 vaccines currently work well 
against all of these variants; however, 
there are differences in various variants’ 
ability to spread and the likelihood of 
infection to cause severe illness. Data on 
the Beta and Gamma variants do not 
indicate that infections from these 
variants caused more severe illness or 
death than other VOCs. Data on the 
Alpha variant does indicate its ability to 
cause more severe illness and death in 
infected individuals. And some data on 
the Delta variant suggests that the Delta 
variant may cause more severe illness 
than previous variants, including Alpha, 
in unvaccinated individuals (CDC, 
October 4, 2021). 
The emergence of the Delta variant, 
along with other VOCs, has resulted in 
a more deadly pandemic (Fisman and 
Tuite, July 12, 2021). While the Delta 
variant is the most transmissible SARS– 
CoV–2 variant to date, the possibility 
remains for the rise of future VOCs, and 
even more dangerous VOHCs, as the 
virus continues to spread and mutate. 
Inadequate vaccination rates and the 
abundance of transmission create an 
environment that can foster the 
development of new variants that could 
be similarly, or even more, disruptive 
(Liu and Rocklov, August, 4, 2021). In 
this context, it is critical that OSHA 
address the grave danger from COVID– 
19 that unvaccinated workers are 
currently facing by requiring 
vaccination and the other measures 
included in this rule, in order to 
significantly slow the transmission of 
COVID–19 in workers and workplaces 
and mitigate the rise of future variants. 
b. Transmission 
SARS–CoV–2 is a highly 
transmissible virus, regardless of 
variant. Since the first case was detected 
in the U.S., there have been close to 45 
million reported cases of COVID–19, 
affecting every state and territory, with 
thousands more infected each day (CDC, 
October 18, 2021—Cumulative US 
Cases), and some indication that these 
numbers continue to underestimate the 
full burden of disease (CDC, July 27, 
2021). According to the CDC, the 
primary way the SARS–CoV–2 virus 
spreads from an infected person to 
others is through the respiratory 
droplets that are produced when an 
infected person coughs, sneezes, sings, 
talks, or breathes (CDC, May 7, 2021). 
Infection could then occur when 
another person breathes in the virus. 
Most commonly this occurs when 
people are in close contact with one 
another in indoor spaces (within 
approximately six feet for at least fifteen 
minutes) (CDC, August 13, 2021). 
Additionally, airborne transmission may 
occur in indoor spaces without adequate 
ventilation where small respiratory 
particles are able to remain suspended 
in the air and accumulate (CDC, May 7, 
2021; Fennelly, July 24, 2020). While 
scientists’ understanding of the Delta 
variant’s virology is evolving and 
remains at the frontier of science, 
current data shows that the routes of 
transmission remain the same for all 
currently-identified SARS–CoV–2 
variants. In addition, all variants can be 
transmitted by people who are pre- 
symptomatic (i.e., people who are 
infected but do not yet feel sick) or 
asymptomatic (i.e., people who are 
infected but never feel any symptoms of 
COVID–19), as well as those who are 
symptomatic. Pre-symptomatic and 
asymptomatic transmission continue to 
pose serious challenges to containing 
the spread of COVID–19. For more 
extensive information on transmission 
routes, as well as pre-symptomatic and 
asymptomatic transmission, see the 
preamble to the Healthcare ETS (86 FR 
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7 This adoption includes the citations in the 
referenced section of the Healthcare ETS, which are 
also included in the docket for this ETS. 
8 Risk of death is based on averages from reported 
CDC data. Risks of hospitalization and death are 
much higher in unvaccinated individuals, as 
discussed further in Grave Danger, Section III.A.IV. 
Vaccines Effectively Reduce Severe Health 
Outcomes from and Transmission of SARS–CoV–2. 
9 This adoption includes the citations in the 
referenced section of the Healthcare ETS, which are 
also included in the docket for this ETS. 
32392–32396), which is hereby 
included in the record of this ETS.7 
The Delta variant is transmitted from 
infectious individuals via the same 
routes as previous variants, but is much 
more transmissible. Specifically, Delta 
differs from previous dominant variants 
of SARS–CoV–2 in terms of the 
amplification of viral particles expelled 
from infected individuals. Testing of 
Delta-infected individuals indicates that 
their viral loads are—on average— 
approximately 1,000x greater than those 
of the SARS–CoV–2 variants from the 
first COVID–19 wave in early 2020. This 
finding suggests much faster replication 
of viral particles during early infection 
with the Delta variant, resulting in 
greater infectiousness (contagiousness) 
when compared to earlier versions of 
SARS–CoV–2 (Li et al., July 12, 2021). 
The transmissibility of viruses is 
measured in part by the average number 
of subsequently-infected people (or 
secondary cases) that are expected to 
occur from each existing case (often 
referred to as R0). Several comparisons 
of the transmissibility of the initial 
SARS–CoV–2 variants to the Delta 
variant have shown that Delta is 
approximately twice as transmissible 
(contagious) as previous versions of 
SARS–CoV–2 (CDC, August 26, 2021; 
Riou and Althaus, January 30, 2020; Li 
et al., July 12, 2021; Liu and Rocklov, 
August, 4, 2021), likely the result of 
higher initial viral loads during the pre- 
symptomatic phase (Li et al., July 12, 
2021). In addition, as described further 
below, data on Delta shows that both 
unvaccinated and vaccinated 
individuals are more likely to transmit 
Delta than previous variants (Liu and 
Rocklov, August, 4, 2021; Eyre et al., 
September 29, 2021), making it 
especially dangerous to those who 
remain unvaccinated. 
c. Health Effects 
COVID–19 infections can lead to 
death. As reported in the Healthcare 
ETS, by May 24, 2021, there had been 
587,432 deaths and 32,947,548 million 
infections in the U.S. alone (CDC, May 
24, 2021a; CDC, May 24, 2021b). At that 
point in the pandemic, 1.8 out of every 
1,000 people in the U.S. had died from 
COVID–19 (CDC, May 24, 2021a). Since 
then, reported cases have increased to 
44,857,861 and the number of deaths 
has increased to 723,205 (CDC, October 
18, 2021– Cumulative US Cases; 
Cumulative US Deaths). By September 
2021, an astounding 1 in 500 Americans 
had died from COVID–19 (Keating, 
September 15, 2021). Updated mortality 
data 8 currently indicate that people of 
working age (18–64 years old) now have 
a 1 in 202 chance of dying when they 
contract the disease, with the risk much 
higher (1 in 72) for those aged 50–64 
(CDC, October 18, 2021—Demographic 
Trends, Cases by Age Group; CDC, 
October 18, 2021—Demographic Trends, 
Deaths by Age Group). For a more in- 
depth description of the health effects 
resulting from SARS–CoV–2 infection, 
see the preamble to the Healthcare ETS 
(86 FR 32383–32392), which is hereby 
included in the record of this ETS.9 
Apart from fatal cases, COVID–19 can 
cause serious illness, including long- 
lasting effects on health. Many patients 
who become ill with COVID–19 require 
hospitalization. Indeed, updated CDC 
hospitalization and mortality data 
indicate that working age Americans 
(18–64 years old) now have a 1 in 14 
chance of hospitalization when infected 
with COVID–19 (CDC, October 18, 
2021—Demographic Trends, Cases by 
Age; Total Hospitalizations, by Age). 
Those who are hospitalized frequently 
need supplemental oxygen and 
treatment for the disease’s most 
common complications, which include 
pneumonia, respiratory failure, acute 
respiratory distress syndrome (ARDS), 
acute kidney injury, sepsis, myocardial 
injury, arrhythmias, and blood clots. 
One study, which included 35,502 
inpatients nationwide, determined that 
the median length of hospital stay was 
6 days, unless the cases required ICU 
treatment. For those cases, ICU stays 
were on median 5 days in addition to 
the time spent hospitalized outside of 
the ICU (Rosenthal et al., December 10, 
2020). Another study that assessed 
hospital length of stay for COVID–19 
patients in England estimated that a 
non-ICU hospital stay averaged between 
8 and 9 days, but those estimates ranged 
from approximately 12 to 18 days when 
patients were admitted to the ICU 
(Vekaria et al., July 22, 2021). Moreover, 
given that SARS–CoV–2 is still a novel 
virus, the severity of long-term health 
effects—such as ‘‘post-COVID 
conditions’’—are not yet fully 
understood. 
Many members of the workforce are at 
increased risk of death and severe 
disease from COVID–19 because of their 
age or pre-existing health conditions. 
The comorbidities that further 
exacerbate COVID–19 infections are 
common among adults of working age in 
the U.S. For instance, 46.1% of 
individuals with cancer are in the 20– 
64 year old age range (NCI, April 29, 
2015), and over 40% of working age 
adults are obese (Hales et al., February 
2020). Disease severity is also likely 
exacerbated by long-standing healthcare 
inequities experienced by members of 
many racial and economic 
demographics (CDC, April 19, 2021). 
Recent data suggests that Delta variant 
infections may result in even more 
severe illness and a higher frequency of 
death than previous COVID–19 variants 
due to Delta’s increased transmissibility, 
virulence, and immune escape (Fisman 
and Tuite, July 12, 2021). Symptomatic 
Delta variant infections do occur in fully 
vaccinated people (Mlcochova et al., 
June 22, 2021; Musser et al., July 22, 
2021); however, as reported by the CDC 
(CDC, August 26, 2021), the vast 
majority of the continuing instances of 
severe and fatal COVID–19 infections 
are occurring in unvaccinated persons 
(discussed further in Grave Danger, 
Section III.A.IV. Vaccines Effectively 
Reduce Severe Outcomes from and 
Transmission of SARS–CoV–2). An 
assessment of Delta-related hospital 
admissions in Scotland found that 
hospitalizations were approximately 
doubled in patients with the Delta 
variant when compared to the Alpha 
variant (Sheikh et al., June 4, 2021). A 
similar study conducted using a 
retrospective cohort in Ontario, Canada 
compared the virulence of novel SARS– 
CoV–2 variants and found that the 
incidences of hospitalization, ICU 
admission, and death were more 
pronounced with the Delta variant than 
any other SARS–CoV–2 variant (Fisman 
and Tuite, July 12, 2021). A large 
national cohort study that included all 
Alpha and Delta SARS–CoV–2 patients 
in England between March 29 and May 
23, 2021 found a ‘‘higher hospital 
admission or emergency care attendance 
risk for patients with COVID–19 
infected with the Delta variant 
compared with the Alpha variant,’’ 
suggesting that Delta outbreaks— 
especially amongst unvaccinated 
populations—may lead to more severe 
health consequences and an equivalent 
or greater burden on healthcare services 
than the Alpha variant (Twohig et al., 
August 27, 2021). However, one more 
recent study examining data from 
several U.S. states demonstrated a 
significant increase in hospitalization 
from the pre-Delta to the Delta period, 
which may be related to increased 
transmissibility of Delta rather than 
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10 OSHA did not make findings based solely on 
non-peer-reviewed sources such as news articles, 
but the agency found that those sources can 
sometimes provide useful information when 
considered with more robust sources. 
more severe health outcomes (Taylor et 
al., October 22, 2021). 
III. Impact on the Workplace 
SARS–CoV–2 is readily transmissible 
in workplaces because they are areas 
where multiple people come into 
contact with one another, often for 
extended periods of time. When 
employees report to their workplace, 
they may regularly come into contact 
with co-workers, the public, delivery 
people, patients, and any other people 
who enter the workplace. Workplace 
factors that exacerbate the risk of 
transmission of SARS–CoV–2 include 
working in indoor settings, working in 
poorly-ventilated areas, and spending 
hours in close proximity with others. 
Full-time employees typically spend 8 
hours or more at work each shift, more 
time than they spend anywhere else but 
where they live. Employees work in 
proximity to others in workplaces that 
were not originally designed to keep 
people six feet away from other people 
and that may make it difficult for 
employees to perform work tasks while 
maintaining a six-foot distance from 
others. Even in the cases where workers 
can do most of their work from, for 
example, a private office within a 
workplace, they share common areas 
like hallways, restrooms, lunch rooms 
and meeting rooms. Furthermore, many 
work areas are poorly ventilated (Allen 
and Ibrahim, May 25, 2021; Lewis, 
March 30, 2021). An additional factor 
that exacerbates the risk of transmission 
of SARS–CoV–2 is interacting with or 
caring for people with suspected or 
confirmed COVID–19; this was a 
primary driver of OSHA’s determination 
of grave danger for healthcare workers 
in the Healthcare ETS (see 86 FR 32381– 
32383). In recent weeks, the majority of 
states in the U.S. have experienced what 
CDC defines as ‘‘high or substantial 
community transmission,’’ indicating 
that there is a clear risk of the virus 
being introduced into and circulating in 
workplaces (CDC, October 18, 2021— 
Community Transmission Rates). 
Although COVID–19 is not 
exclusively an occupational disease, it 
is evident from research accrued since 
the beginning of the pandemic that 
SARS–CoV–2 transmission can and 
does occur in workplaces, affecting 
employees and their lives, health, and 
livelihoods. This continues to be true 
for the Delta variant, with its increased 
transmissibility and potentially more 
severe health effects. This section 
describes some of the clusters, 
outbreaks, and other occurrences of 
workplace COVID–19 cases that 
government agencies, researchers, and 
journalists have described, and the 
widespread effects of SARS–CoV–2 in 
industry sectors across the national 
economy. While the focus is on more 
recent data reflecting the impact of the 
Delta variant, evidence of workplace 
transmission that occurred prior to the 
emergence of the Delta variant is also 
presented. 
The workplace-based clusters 
described below provide evidence that 
workplaces in a wide range of industries 
have been affected by COVID–19, that 
many employees face exposure to 
infected people in their workspaces, and 
that SARS–CoV–2 transmission is 
occurring in the workplace, including 
during the recent period where the Delta 
variant has predominated. Although the 
presence of a cluster on its own does not 
necessarily establish that the cluster is 
work-related (i.e., a result of 
transmission at the worksite), many 
state investigation reports and 
published studies provide evidence that 
transmission is work related by 
documenting that infections at a 
workplace occurred within 14-days (the 
incubation period for the virus) of each 
other and ruling out the possibility that 
transmission occurred outside the 
workplace. In addition, the information 
below demonstrates that exposures to 
SARS–CoV–2 happen regularly in a 
wide variety of different types of 
workplaces. 
The basis for OSHA’s grave danger 
finding is that employees can be 
exposed to the virus in almost any work 
setting; that exposure to SARS–CoV–2 
can lead to infection (CDC, September 
21, 2021); and that infection in turn can 
cause death or serious impairment of 
health, especially in those who are 
unvaccinated (see Section III.A.IV. 
Vaccines Effectively Reduce Severe 
Health Outcomes from and 
Transmission of SARS–CoV–2). The 
information described in this section 
supports OSHA’s finding that 
employees who work in spaces shared 
by others are at risk of exposure to 
SARS–CoV–2. The degree of risk from 
droplet-based transmission may vary 
based on the duration of close proximity 
to a person infected with SARS–CoV–2, 
including the Delta variant, but the 
simple and brief act of sneezing, 
coughing, talking, or even breathing can 
significantly increase the risk of 
transmission if controls are not in place. 
SARS–CoV–2, including the Delta 
variant, might also be spread through 
airborne particles under certain 
conditions, particularly in enclosed 
settings with inadequate ventilation, 
which are common characteristics of 
some workplaces. 
The peer-reviewed scientific journal 
articles, government reports, and news 
articles described below establish the 
widespread prevalence of COVID–19 
among employees, beginning with a 
description of the recent impact from 
the Delta variant. OSHA’s findings are 
based primarily on the evidence from 
peer-reviewed scientific journal articles 
and government reports. However, peer 
review for scientific journal articles and 
the assembly of information for 
government reports and other official 
sources of information take time, and 
therefore those sources do not always 
reflect the most up-to-date information 
(Chan et al., December 14, 2010). In 
addition, while state and local health 
departments can report workplace 
outbreaks to CDC, the agency does not 
provide summary statistics by 
workplace so that those outbreaks can 
be tracked on a national level. In the 
context of the COVID–19 pandemic, 
given the recent impacts due to the 
Delta variant and the emergence of new 
information on a daily basis, it is critical 
for OSHA to rely on the most up-to-date 
information available. Therefore, OSHA 
has occasionally supplemented peer- 
reviewed data and government reports 
with additional information on 
occupational outbreaks contained in 
other sources of media (e.g., 
newspapers, digital media, and 
information submitted to or obtained by 
private organizations).10 The reported 
information from other sources can 
provide further evidence of the impact 
of an emerging and changing disease, 
especially for industries that are not 
well represented in the peer-reviewed 
scientific literature. Together, these 
sources of information represent the 
best available evidence of the impact on 
employees of the pandemic thus far. 
The information described herein 
illustrates a significant number of 
infections among employees in a variety 
of industries, with virtually every state 
continuing to experience what CDC 
defines as high or substantial 
community transmission related to the 
recent surge of the Delta variant. The 
industries and types of workplaces 
described are not the only ones in 
which a grave danger exists. The science 
of transmission does not vary by 
industry or by type of workplace. OSHA 
therefore expects transmission to occur 
in diverse workplaces all across the 
country (see Dry Color Mfrs. Ass’n, Inc. 
v. Dep’t of Labor, 486 F.2d 98, 102 n.3 
(3d Cir. 1973) (holding that when OSHA 
determines a substance poses a grave 
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11 NCDHHS identifies a ‘‘workplace’’ category in 
their report (e.g., agriculture, construction), but 
OSHA includes other settings where employees 
would be present (e.g., retail, restaurants, childcare, 
healthcare). 
danger to workers, OSHA can assume an 
exposure to a grave danger exists 
wherever that substance is present in a 
workplace)). In addition, the severity of 
COVID–19 does not depend on where 
an employee is infected; an employee 
exposed to SARS–CoV–2 might die 
whether exposed while working at a 
meat packing facility, a retail 
establishment, or an office (see Grave 
Danger, Section III.A.V.b. Employees 
Who Work Exclusively Outside, below, 
for a discussion of the risk of exposure 
in outdoor workplaces). 
a. General Impact on Workers 
Data on SARS–CoV–2 infections, 
illnesses, and deaths among employees 
in general industry, agriculture, 
construction, and maritime support 
OSHA’s finding that COVID–19 poses a 
grave danger to employees in these 
sectors across the U.S. economy. This 
section summarizes studies and reports 
of COVID–19 illness and fatalities in a 
wide range of workplaces across those 
industry sectors. Not all workplace 
settings are discussed; nor is the data 
available to do so. However, the 
characteristics of the various affected 
workplaces—such as indoor work 
settings; contact with coworkers, clients, 
or members of the public; and sharing 
space with others for prolonged periods 
of time—indicate that exposures to 
SARS–CoV–2 are occurring in a wide 
variety of work settings across all 
industries. Therefore, most employees 
who work in the presence of other 
people (e.g., co-workers, customers, 
visitors) need to be protected. 
While there is no comprehensive 
source of nationwide workplace 
infection data, reports from states and 
communities on outbreaks related to 
workplaces provide key, up-to-date data 
that illustrate the likelihood of 
employee exposure to SARS–CoV–2 at 
workplaces throughout the U.S. OSHA 
identified a number of recent reports 
from various regions of the country that 
together demonstrate the impact that 
SARS–CoV–2 can have on a variety of 
workplaces, including in service 
industries (e.g., restaurants, grocery and 
other retail stores, fitness centers, 
hospitality, casinos, salons), corrections, 
warehousing, childcare, schools, offices, 
homeless shelters, transportation, mail/ 
shipping/delivery services, cleaning 
services, emergency services/response, 
waste management, construction, 
agriculture, food packaging/processing, 
and healthcare. Deaths are reported in 
many studies performed prior to the 
emergence of the Delta variant but, 
because the Delta outbreak is so recent 
and deaths can occur weeks after 
infection, the number of deaths from 
recent infections might be 
underestimated. Some of the reports 
include cumulative data representing 
various phases of the pandemic, 
beginning prior to the availability of 
vaccines and continuing through the 
recent surge of the Delta variant. In 
addition, some studies report 
investigations of recent outbreaks, 
which provide insight on the impact of 
the Delta variant as well as impacts 
associated with the current vaccination 
status of workers. 
The Washington State Department of 
Health (WSDH) reports outbreaks 
occurring in non-healthcare workplaces 
(WSDH, September 8, 2021). In non- 
healthcare workplaces, outbreaks are 
defined as two or more laboratory 
confirmed cases of COVID–19, with at 
least two cases reporting symptom onset 
within 14 days of each other, and 
plausible epidemiological evidence of 
transmission in a shared location other 
than a household. As of September 4, 
2021, WSDH reported 5,247 outbreaks 
in approximately 40 different types of 
non-healthcare work settings. During 
the week of August 29 through 
September 4, 2021, WSDH identified 
137 separate workplace outbreaks. The 
types of non-medical workplace settings 
that represented more than 5% of the 
total outbreaks during that week 
included food service/restaurants, 
childcare, schools, retail, grocery, and 
shelter/homeless services. Other types 
of non-healthcare settings where 
outbreaks occurred recently included 
non-food and food manufacturing, 
construction, professional services/ 
office based, agriculture/produce 
packing, transportation/shipping 
delivery, government agencies/facilities, 
leisure hospitality/recreation, 
corrections, utilities, warehousing, 
facility/domestic cleaning services, 
youth sports/activities, camps, and 
public safety. Over the course of the 
pandemic, outbreaks have also been 
observed at bars/nightclubs, hotels, and 
fishing/commercial seafood vessels. 
The Oregon Health Authority (OHA) 
publishes a weekly report detailing 
outbreaks directly related to work 
settings. OHA epidemiologists consider 
cases to be part of a workplace outbreak 
when clusters form with respect to 
space and time, within a plausible 
incubation period for the virus, and 
their investigation does not uncover an 
alternative source for the outbreak. For 
privacy reasons, OHA only reports 
outbreaks with 5 or more cases in 
workplaces with 30 or more people. 
OHA reported a total of 26,013 cases 
and 135 deaths related to workplace 
outbreaks as of September 1, 2021. As 
of September 1, 2021, OHA was 
investigating more than 124 active 
workplace outbreaks (OHA, September 
1, 2021). Those outbreaks occurred in a 
wide variety of industries including 
correctional facilities, emergency 
services, waste management, schools 
and child care, retail and grocery stores, 
restaurants, warehousing, agriculture, 
food processing/packaging, 
construction, healthcare, mail and 
delivery services, office locations, 
utilities, transportation, and others. 
Tennessee Department of Health was 
investigating 557 active COVID–19 
clusters as of September 8, 2021 (TDH, 
September 8, 2021). Clusters are defined 
as two or more laboratory confirmed 
COVID–19 cases linked to the same 
location or event that is not a household 
exposure. The clusters occurred in 13 
types of settings, 10 of which were 
workplace settings. Outbreaks at 
workplaces represented more than half 
of the total active outbreaks in the state 
at that time. Settings comprising more 
than 5% of total clusters included 
assisted care living facilities, nursing 
homes, and correctional facilities. Other 
types of workplaces where outbreaks 
occurred included bars, construction, 
farms, homeless shelters, and industrial 
settings. 
The North Carolina Department of 
Health and Human Services reports 
cumulative numbers of clusters, cases, 
and deaths for workers in poultry 
processing facilities (beginning in April 
of 2020) and other types of workplaces 
(beginning in May of 2020) (NCDHHS, 
August 30, 2021). Clusters are defined 
as a minimum of 5 cases with illness 
onset or initial positive results within a 
14-day period and plausible 
epidemiological linkage between the 
cases. Plausible epidemiological linkage 
means that multiple cases were in the 
same general setting during the same 
time period (e.g., same shift, same 
physical area) and that a more likely 
source of exposure is not identified (e.g., 
household contact or close contact to a 
confirmed case in another setting). 
During that time period of April/May 
2020 through August 30, 2021, 
workplaces 11 were associated with 
nearly 80% of the 1,969 clusters and 
27,097 cases observed and nearly 40% 
of the 167 deaths related to the clusters. 
Cumulative numbers of cluster- 
associated deaths were highest in meat 
and poultry processing (25 of 5,351 
cases), followed by healthcare (10 of 
1,036 cases), government services and 
manufacturing (5 of 1,048 cases and 5 of 
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1,856 cases, respectively), and 
restaurants and childcare (3 of 421 cases 
and 3 of 1,943 cases, respectively). 
Recently, in July of 2021, the number of 
cases associated with workplace clusters 
began increasing in several different 
types of work settings, including meat 
processing, manufacturing, retail, 
restaurants, childcare, schools, and 
higher education. 
Colorado Department of Public Health 
& Environment/Colorado State 
Emergency Operations Center (CDPHE/ 
CSEOC, September 8, 2021) reported 
5,584 resolved workplace-related 
outbreaks involving 40,156 employee 
cases and 79 employee deaths since 
May of 2020. The agency’s current 
investigations, as of September 8, 2021 
included 291 active outbreaks (not 
defined), with 2,865 staff cases 
(assumed to be cases in employees). The 
majority of active outbreaks were 
reported in childcare, schools, 
healthcare, and corrections. Active 
outbreaks were also reported in 
construction, retail, homeless shelters, 
casinos, restaurants, hotels, offices, law 
enforcement, manufacturing, delivery 
services, and warehouses. Other types of 
work settings that were affected in 
resolved outbreaks included 
warehouses, bars, government locations, 
waste management, utilities, salons, 
emergency services, meat processing/ 
packaging, and postal services. From 
June 21, 2021 (the date the healthcare 
ETS was published) through September 
8, 2021, 1,469 staff cases associated with 
outbreaks were reported, for an average 
of approximately 19 cases per day. 
Similar reporting is available from 
Louisiana’s Department of Health (LDH, 
August 24, 2021), with 1,347 outbreaks 
and 9,130 cases reported as of August 
24, 2021. LDH defines an outbreak as 2 
or more cases among unrelated 
individuals who visited a site within a 
14-day period. More than three quarters 
of outbreaks through that date were 
associated with workplaces. Workplace 
settings in Louisiana that experienced 
more than 5% of outbreaks included 
day care facilities, bars, restaurants, 
retail settings, industrial settings, and 
office spaces. Other types of workplace 
settings or industries where outbreaks 
occurred included casinos, gyms/fitness 
centers, banks, automotive services, 
construction, and ships/boats. 
In addition to the state data above, 
some published studies and government 
reports provide information on recent 
workplaces outbreaks. For example, 47 
people, including 3 of 11 staff members, 
23 gymnasts, and 21 household 
contacts, contracted COVID–19 from an 
outbreak linked to an Oklahoma 
gymnastics facility during April 15 
through May 3, 2021 (Dougherty et al., 
July 16, 2021). All 21 of the virus 
samples sequenced were determined to 
be the Delta variant. The majority of the 
infected individuals (85%) were 
unvaccinated. Infections were reported 
in 16 adults aged 20 years or older; two 
adults were hospitalized and one 
required intensive care. 
The state of Hawaii defines clusters as 
three or more confirmed or probable 
cases linked to a site or event within 14 
days, with no outside exposure of cases 
to each other (Hawaii State, August 19, 
2021). The state reported a COVID–19 
cluster in July associated with a concert 
at a bar that affected 16 people, 
including employees, band members, 
and concert attendees; infections also 
spread to 7 household members. Band 
members had performed while sick. 
Four of the initial 16 people and none 
of the household members who tested 
positive for COVID–19 were fully 
vaccinated. The concert cluster was 
linked to clusters at another workplace 
and another concert. The report lists 
additional clusters investigated in the 
two weeks prior to the report; those 
clusters were observed in workplace 
locations such as correctional facilities, 
bars and nightclubs, restaurants, 
construction/industrial sites, travel/ 
lodging/tourism, schools, food 
suppliers, and gyms. 
Additional evidence that employees 
are at risk of exposure to SARS–CoV–2 
in the workplace is available from 
published, peer-reviewed studies that 
were conducted before the Delta variant 
emerged. Those studies demonstrate 
that employees have been at risk of 
infection, illness, and death throughout 
the COVID–19 pandemic. Because the 
Delta variant is more transmissible and 
likely causes more severe disease than 
previous variants, there is even greater 
potential for unvaccinated employees to 
become seriously ill or die as a result of 
exposure to the Delta variant. 
Contreras et al. (July, 2021) examined 
workplace outbreaks (excluding 
healthcare settings, homelessness 
services, and emergency medical 
services) in Los Angeles county from 
March 19 through September 30, 2020. 
Workplace outbreaks were defined as 5 
or more suspected or laboratory 
confirmed COVID–19 cases (prior to 
May 29) or 3 or more laboratory 
confirmed cases (after May 29) 
occurring within 14 days. Nearly 60% of 
the 698 identified outbreaks occurred in 
three sectors—manufacturing (184, 
26.4%), retail trade (137, 19.6%), and 
transportation and warehousing (73, 
10.5%). Also notable were the 71 
outbreaks in the accommodation and 
food services industry, which 
represented 10.2% of the outbreaks. The 
study authors concluded that outbreaks 
were larger and lasted longer at facilities 
with more onsite staff. 
Outbreaks in Wisconsin from March 4 
through November 16, 2020 were also 
examined (Pray et al., January 29, 2021). 
Non-household outbreaks were defined 
as two or more confirmed COVID–19 
cases that occurred within 14 days in 
persons who attended the same facility 
or event and did not share a household. 
During the period from March 4 through 
November 16, 2020, the largest 
percentages of cases were associated 
with outbreaks in long-term care 
facilities (26.8% of cases), correctional 
facilities (14.9% of cases), and colleges 
or universities (15% of cases). Also 
notable were the substantial number of 
cases associated with outbreaks in food 
production or manufacturing facilities 
(including meat processing and 
warehousing; 14.5% of cases) and 
schools and childcare facilities (10.6% 
of cases). 
Bui et al. (August 17, 2020) analyzed 
data from the Utah Department of 
Health’s COVID–19 case surveillance 
system, which included data on 
workplace outbreaks. Outbreaks were 
defined as two or more laboratory 
confirmed cases occurring within a 14 
day period among coworkers in a 
common workplace (e.g., same facility). 
During the time period between March 
6 and June 5, 2020, 277 COVID–19 
outbreaks were reported, of which 210 
(76%) occurred in workplaces. The 210 
workplace outbreaks occurred in 15 of 
20 industry sectors, and the industry 
sectors of manufacturing (43 outbreaks, 
20%), construction (32 outbreaks, 15%), 
and wholesale trade (29 outbreaks, 14%) 
together represented nearly half of 
workplace outbreaks. Other sectors that 
represented more than 10% of total 
outbreaks were retail trade (28 
outbreaks, 13%) and accommodation 
and food services (25 outbreaks, 12%). 
Incidence rates of COVID–19 over the 
period of March 6 through June 5, 2020 
were 339/100,000 workers in 
manufacturing, 122/100,000 workers in 
construction, 377/100,000 workers in 
wholesale trade, 68/100,000 workers for 
retail trade, and 78/100,000 workers for 
accommodation and food services. For 
COVID–19 cases associated with 
workplace outbreaks in which 
hospitalization and severity status were 
known (1,382 and 1,155, respectively), 
the number in all sectors who were 
admitted to the hospital was 85 (6%) 
and the number with severe outcomes 
(intensive care unit admission, 
mechanical ventilation, or death) was 40 
(3%). 
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The impact of SARS–CoV–2 
exposures on employee infection, 
illness, and death has also been 
demonstrated in studies focusing on 
specific types of industries, such as 
those where employees have frequent 
contact with each other and the public 
(e.g., grocery stores, bars, fitness 
facilities, schools, and law enforcement/ 
corrections). For example, a study by 
Lan et al. (September 26, 2020) 
demonstrates the risk of infection in 
service industries. The cross-sectional 
study examined the risks of SARS–CoV– 
2 exposure and infection for employees 
in a Boston, Massachusetts-area retail 
grocery store market. The study tested 
104 grocery store employees, of whom 
20% (21 employees) were positive for 
COVID–19; 76% of confirmed cases did 
not have symptoms. After adjusting for 
gender, smoking, age, and the 
prevalence of COVID–19 in the 
employees’ residential communities, 
employees who had direct customer 
exposure (e.g., cashiers, sales associates, 
cart attendants) were 5.1 times more 
likely to have a positive test for COVID– 
19 than employees without direct face- 
to-face customer exposure (e.g., 
stockers, backroom, receiving and 
maintenance). The infection rate of 20% 
among all employees was significantly 
higher than the rate in the surrounding 
community. 
In February of 2021, an event at an 
Illinois bar that accommodates 
approximately 100 people resulted in a 
COVID–19 outbreak that affected 46 
people, including 3 (10%) staff 
members, 26 (90%) patrons, and 17 
secondary cases (Sami et al., April 9, 
2021). People at the event included an 
asymptomatic person diagnosed with 
COVID–19 on the previous day and 4 
symptomatic people who were later 
diagnosed with COVID–19. The 
outbreak resulted in a school closure 
and the hospitalization of a resident at 
a long-term care facility. 
In Minnesota, 47 COVID–19 outbreaks 
were detected at fitness facilities from 
August through November of 2020 
(Suhs et al., July 23, 2021). One 
outbreak at a fitness facility during 
October through November of 2020 
resulted in 23 COVID–19 cases 
including 5 (22%) employees and 18 
(78%) members. A genetic analysis of 
specimens from 3 employees and 10 
members identified 2 distinct genetic 
subclusters, indicating two distinct 
chains of transmission among members 
and employees. 
School-related outbreaks were 
examined from December 1, 2020 
through January 22, 2021 in eight public 
elementary schools of a Georgia school 
district (Gold et al., February 26, 2021). 
A COVID–19 case was determined to be 
school-related if (1) symptom onset or a 
positive test was consistent with the 
incubation period of the virus following 
contact with an index case or a school- 
associated case, (2) close contact 
occurred with the index case or school- 
associated case while that person was 
infected, and (3) no known contact 
occurred with an infected community or 
household contact in the two weeks 
prior to a positive test for COVID–19. 
The investigators identified nine 
clusters of three or more 
epidemiologically linked COVID–19 
cases that involved 13 educators and 32 
students in six of the eight elementary 
schools. Approximately half of the 
school-associated cases involved two 
clusters that began with probable 
transmission between educators, 
followed by educator to student 
transmission. Eighteen of 69 household 
members tested received positive 
results. 
A number of studies demonstrate the 
impact of COVID–19 in law enforcement 
and related fields such as corrections. 
For example, a study examining 
COVID–19 antibodies in employees 
from public service agencies in the New 
York City area from May through July of 
2020, found that 22.5% of participants 
had COVID–19 antibodies (Sami et al., 
March, 2021). The percentage of 
correctional officers found to have 
COVID–19 antibodies (39.2%) was the 
highest observed among all the 
occupations. The percentages of police 
dispatchers, traffic officers, security 
guards, and dispatchers found to have 
COVID–19 antibodies (29.8 to 37.3%) 
were among the highest levels observed 
in all the occupations. The study 
authors noted that those jobs involve 
frequent or close contact with the public 
or are done in places where employees 
work in close proximity to their 
coworkers. 
Wallace et al. (May 15, 2020) 
evaluated data on COVID–19 cases and 
deaths among correctional facility 
employees and inmates from January 21 
to April 21, 2020. Data were reported to 
CDC by 37 (69%) of 54 state and 
territorial health department 
jurisdictions. Of these 37 jurisdictions, 
32 (86%) reported at least one COVID– 
19 case from a correctional facility. Of 
the 420 facilities with a case, 221 (53%) 
reported cases only among staff 
members. In total, 4,893 COVID–19 
cases among incarcerated or detained 
persons and 2,778 cases among staff 
members were reported (total tested not 
provided). Among staff member cases, 
79 hospitalizations (3%) and 15 deaths 
(1%) were reported. The study authors 
noted that ‘‘correctional and detention 
facilities face challenges in controlling 
the spread of infectious diseases 
because of crowded, shared 
environments and potential 
introductions by staff members and new 
intakes.’’ 
Ward et al. (June 2021) analyzed 
COVID–19 prevalence among prisoners 
and staff in 45 states from March 31, 
2020 through November 4, 2020. During 
that time period, COVID–19 cases in 
staff were 3 to 5 times higher compared 
to the U.S. population. Average daily 
increases in cases were 42 per 100,000 
prison employees, 61 per 100,000 
prisoners, and 13 per 100,000 U.S. 
residents. On November 4, 2020, 
COVID–19 prevalence for prison staff 
was 9,316 cases per 100,000 employees, 
which was 3.2 times greater than 
prevalence in the U.S. population (2,900 
cases per 100,000). 
Kirbiyik et al. (November 6, 2020) 
analyzed movement through a network- 
informed approach to identify likely 
high points of transmission within the 
Cook County Jail in Chicago, IL. At that 
facility, over 900 COVID–19 cases were 
reported across 10 housing divisions in 
13 buildings from March 1–April 30, 
2020. Staff members were required to 
report symptoms of COVID–19 
(probable cases) or receipt of a positive 
test result (confirmed cases). A total of 
2,041 staff members (77% of staff) were 
included in the network analysis 
because information was available about 
their shift and division assignments, 
and 198 (9.7%) of those staff members 
had COVID–19 during the two-month 
study period. Connections between staff 
members who had COVID–19 were 
higher than expected, suggesting likely 
transmission among staff members. 
Fewer connections than expected were 
observed among detained persons with 
SARS–CoV–2 infections, suggesting the 
effectiveness of medical isolation at 
reducing transmission. 
The Officer Down Memorial Page, 
which tracks police officer fatalities 
determined to be occupationally related, 
reported that the majority of officer 
deaths for 2021 (157 of 269) were 
related to COVID–19 (ODMP, September 
14, 2021). For the 269 officers who died, 
causes of death were not reported for 
each month, but the highest numbers of 
monthly deaths, 52 in January and 65 in 
August (compared to 16 to 34 deaths on 
other reported months), were consistent 
with the winter surge of COVID–19 and, 
more recently, the surge caused by the 
Delta variant. 
The risk of COVID–19 has also been 
examined in industries where 
employees have little contact with the 
public, such as construction, and food 
processing, and where most exposure to 
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SARS–CoV–2 likely comes from other 
workers. Pasco et al. (October 29, 2020) 
examined the association between 
construction work during the COVID–19 
pandemic and community transmission 
and construction worker hospitalization 
rates in Austin, Texas from March 13 to 
August 20, 2020. A ‘‘Stay Home-Work 
Safe’’ order enacted on March 24, 2020, 
limited construction to only critical 
infrastructure and excluded commercial 
and residential work. One week later, 
the Texas governor lifted the restriction 
for essential workers and allowed all 
types of construction work to resume, 
while keeping the order in place for 
other workers. The authors found that 
resuming construction during the 
shelter-in-place order led to an increase 
in community transmission, an increase 
in hospitalizations among community 
members, and an increase in 
hospitalizations of construction 
workers. By mid-July, Austin Public 
Health identified at least 42 clusters (not 
defined) of COVID–19 cases in the 
construction industry; 515 individuals 
were hospitalized for COVID–19 
illnesses acquired as part of these 
clusters, and 77 of those reported 
working in construction. The study 
found that construction workers had a 
nearly 5-fold increased risk of 
hospitalization in central Texas 
compared with workers in other 
occupations. The authors’ model 
predicted that allowing unrestricted 
construction work would be associated 
with an increase in COVID–19 
hospitalization rates from 0.38 per 1,000 
residents to 1.5 per 1,000 residents 
overall, and from 0.22 per 1,000 
construction workers to 9.3 per 1,000 
construction workers for the 
construction industry specifically. The 
authors concluded that stringent 
workplace safety measures could 
significantly mitigate risks related to 
COVID–19 in the industry. 
The meat packing and processing 
industries and related agricultural and 
food processing sectors have also been 
impacted by COVID–19. Waltenburg et 
al. (January, 2021) reported COVID–19 
cases in employees from meat and 
poultry processing facilities in 31 states 
from March 1 through May 31, 2020. As 
reported in Table 2 of that report, 28,364 
employees in those facilities were 
confirmed to have COVID–19 by 
laboratory testing and 132 died. Among 
the 20 states that reported total numbers 
of employees, 11.4% of the workers 
were diagnosed with COVID–19 (with a 
range of 3.1 to 27.7% of workers in 
individual states). For states that 
reported at least one COVID–19-related 
death, the percentages of employees 
who died in each state ranged from 0.1 
to 2.4% of those with COVID–19. The 
authors found a high burden of disease 
in persons employed at these facilities 
who were racial or ethnic minorities. 
Higher incidence in these populations 
might be due to the likelihood of these 
employees working in areas in the plant 
where transmission risk is higher. 
Steinberg et al. (August 7, 2020) 
reported that attack rates (i.e., the 
number of individuals who are infected 
in comparison to the total number at 
risk) among production employees in 
the Cut (30.2%), Conversion (30.1%), 
and Harvest (29.4%) departments of a 
meat processing plant (where spacing 
between employees is less than 6 feet) 
were double that of salaried employees 
(14.8%) whose workstations had been 
modified to increase physical distancing 
from others. 
Waltenburg et al. (January, 2021) also 
evaluated COVID–19 incidence in food 
manufacturing and agricultural settings 
(e.g., manufacturing or farming 
involving fruits, vegetables, dairy, baked 
goods, eggs, prepared foods), as reported 
in 30 states from March through May 
2020. In food manufacturing and 
farming of fruits, vegetables, dairy, and 
other items, 742 workplaces were 
affected, including 8,978 infections and 
55 fatalities. For states that reported 
total numbers of employees, the 
proportion of employees who developed 
COVID–19 in each state ranged from 2.0 
to 43.5%. For states that reported at 
least one death, the percentages of 
deaths among cases ranged from 0.1 to 
3.8%. 
Porter et al. (April 30, 2021) reported 
that 13 COVID–19 outbreaks occurred at 
Alaska seafood processing facilities and 
vessels (both of which were described as 
high density workplaces) during the 
Summer and early Fall of 2020. The 13 
outbreaks involved 539 COVID–19 
cases, with 2–168 cases per outbreak. 
Attack rates in facilities and offshore 
vessels ranged from less than 5% to 
75%. Outbreaks were also reported in 
entry quarantine groups. Because of 
these outbreaks, it was determined that 
vaccination of these essential workers is 
important and requirements for COVID– 
19 prevention were updated to include 
smaller quarantine groups, serial testing, 
and testing before transfers from one 
facility or vessel to another. 
Finally, two published studies 
analyzed death records to determine 
how mortality rates among individuals 
in various types of workplaces had 
changed during the pandemic. Chen et 
al. (June 4, 2021) analyzed records of 
deaths occurring on or after January 1, 
2016 in California and found that 
mortality rates in working aged adults 
(18–65 years) increased 22% during the 
COVID–19 pandemic period of March 
through November 2020 compared to 
pre-pandemic periods. Relative to pre- 
pandemic periods, the groups of 
employees experiencing the highest, 
statistically significant increases in 
relative excess mortality were those in 
food/agriculture (39% increase), 
transportation/logistics (31% increase), 
facilities (23% increase), and 
manufacturing (24% increase). Other 
groups that also experienced excess, 
statistically significant mortality 
compared to pre-pandemic periods were 
health or emergency workers (17% 
increase), retail workers (21% increase), 
and government and community 
workers (17% increase). The study 
authors concluded that certain 
occupational sectors were impacted 
disproportionally by mortality during 
the pandemic and that essential work 
conducted in-person is a likely avenue 
of infection transmission. 
Hawkins et al. (January 10, 2021) 
examined death certificates of 
individuals who died in Massachusetts 
between March 1 and July 31, 2020. An 
age-adjusted mortality rate of 16.4 per 
100,000 employees was determined 
from 555 death certificates that had 
useable occupation information. 
Employees in 11 occupational groups 
had particularly high mortality rates: 
healthcare support; transportation and 
material moving; food preparation and 
serving; building and grounds cleaning 
and maintenance; production, 
construction and extraction; 
installation/maintenance/repair; 
protective services; personal care 
services; arts/design/entertainment; 
sports/media; and community and 
social services. The study authors noted 
that occupational groups expected to 
have frequent contact with sick people, 
close contact with the public, and jobs 
that are not practical to do from home 
had particularly elevated mortality 
rates. 
b. Healthcare Workers 
As explained in the Healthcare ETS, 
COVID–19 presents a grave danger to 
workers in all U.S. healthcare settings 
where people with COVID–19 are 
reasonably expected to be present (86 
FR 32381). Healthcare settings covered 
by the Healthcare ETS primarily include 
settings where people with suspected or 
confirmed COVID–19 are treated, 
exacerbating the risk present in most 
workplaces. To control the higher level 
of risk in those settings, OSHA 
determined that a suite of workplace 
controls was necessary to protect all 
employees, whether they are vaccinated 
or unvaccinated. As explained further 
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below, OSHA now finds that 
unvaccinated healthcare workers in 
healthcare settings not covered by the 
Healthcare ETS are also at grave danger 
from exposure to SARS–CoV–2, just like 
unvaccinated workers in other 
industries. Data continue to be collected 
and reported for healthcare workers, 
and a small number of peer-reviewed 
studies demonstrate the potential 
impact of the Delta variant on 
healthcare workers. 
CDC continues to provide updates for 
COVID–19 cases and deaths among 
healthcare personnel. However, 
information on healthcare personnel 
status continues to be reported for only 
a fraction (18.91%) of total reported 
cases, and death status was reported for 
only 82.16% of healthcare personnel 
cases as of October 18, 2021 (CDC, 
October 18, 2021—Healthcare 
Personnel). Given incomplete reporting, 
the data from this source represent only 
a fraction of actual healthcare cases and 
deaths. Nevertheless, CDC reported 
666,707 healthcare personnel cases 
among the 6,754,306 reported cases that 
included information on healthcare 
personnel status (9.9%) and 2,229 
fatalities among the 547,769 cases that 
included death status (0.4%) for 
healthcare employees as of October 18, 
2021. This is a 26% increase in the 
number of cases and a 27% increase in 
the number of deaths since the May 24, 
2021 data reported in the ETS (CDC, 
October 18, 2021—Healthcare 
Personnel). The Delta variant is likely 
responsible for the majority of those 
deaths. No healthcare worker deaths 
were reported by CDC during the weeks 
of May 30 through June 13, 2021; 
however, as the Delta variant’s 
prevalence rose after June 20, healthcare 
worker deaths began increasing; they 
peaked during the period of August 15 
through September 12, 2021, when 34 to 
36 healthcare worker deaths were 
reported per week (CDC October 18, 
2021—Healthcare Personnel, Deaths by 
Week). Independent reporting by Kaiser 
Health News and The Guardian reported 
more than 3,600 fatalities in health care 
workers as of April 2021 (Spencer and 
Jewett, April 8, 2021). That number is 
expected to be higher at this time since 
the earlier figure did not include the 
most recent 5 months of the pandemic, 
which includes the period of Delta 
variant predominance. 
Published studies also demonstrate 
that healthcare workers, especially those 
who are unvaccinated, remain at risk of 
being infected with SARS–CoV–2 (see 
Section III.A.IV. Vaccines Effectively 
Reduce Severe Health Outcomes from 
and Transmission of SARS–CoV–2). 
Routine testing of health care personnel, 
first responders, and other frontline 
workers in eight U.S. locations in six 
states from December 14, 2020 through 
August 14, 2021 revealed 194 infections 
in 4,136 unvaccinated participants 
(89.7% symptomatic) and 34 infections 
in 2,976 fully vaccinated participants 
(80.6% symptomatic) (Fowlkes et al., 
August 27, 2021). During time periods 
when the Delta variant represented 
more than 50% of viruses sequenced, 19 
infections were detected in 488 
unvaccinated participants (94.7% 
symptomatic) and 24 infections were 
detected in 2,352 vaccinated 
participants (75% symptomatic). 
Monthly COVID–19 cases in 
healthcare workers were reported 
during the period from March 1 to July 
31, 2021 at the University of California 
San Diego (UCSD) health system, which 
is a healthcare provider that includes 
primary care services such as family 
medicine and pediatrics (Keehner et al., 
September 1, 2021; UCSD, 2021). During 
that time period, a total of 227 health 
care workers tested positive for COVID– 
19. One hundred and nine of 130 fully 
vaccinated workers who tested positive 
(83.8%) were symptomatic and 80 of 90 
unvaccinated workers (88.9%) were 
symptomatic; one unvaccinated person 
was hospitalized for COVID–19 
symptoms. By July of 2021, after the end 
of California’s mask mandate on June 15 
and after the Delta variant became 
dominant, the number of cases detected 
dramatically increased; the Delta variant 
accounted for more than 95% of SARS– 
CoV–2 viruses sequenced by the end of 
that month. During July of 2021, 
symptomatic infections were detected in 
94 of 16,492 fully vaccinated workers 
and 31 of 1,895 unvaccinated workers. 
Attack rates in July of 2021 were 5.7 per 
1,000 fully vaccinated workers and 16.4 
per 1,000 unvaccinated workers. 
In Finland, a Delta variant infection 
from a hospitalized patient spread 
throughout the hospital and to three 
primary care facilities, infecting 103 
individuals, including 45 healthcare 
workers (Hetema¨ki et al., July 29, 2021). 
Twenty-six of the healthcare workers 
were infected at the hospital and 19 
were infected at primary care facilities. 
The affected health care workers 
included 28 with direct patient contact 
(11 who were not fully vaccinated), 8 
unvaccinated healthcare worker 
students, and 9 other staff, including 
hospital cleaners and secretaries (of 
whom 6 were not fully vaccinated). 
According to study authors, ‘‘There was 
high vaccine coverage among permanent 
staff in the central hospital, but lower 
for HCW in primary healthcare 
facilities. . .’’ Study authors estimated 
that vaccine effectiveness against the 
Delta variant in healthcare workers was 
approximately 88–91%, suggesting how 
much more extensive the outbreak 
could have been if a high percentage of 
healthcare workers were not fully 
vaccinated. 
In the UK, a Delta variant infection in 
a healthcare worker resulted in an 
outbreak in a care home that affected 16 
of 21 residents and 8 of 21 staff 
(Williams et al., July 8, 2021). One staff 
member was hospitalized. Attack rates 
were 35.7% in staff who were partially 
vaccinated (i.e., received their second 
dose of vaccine on the day that the 
index case was diagnosed with COVID– 
19 or had only received one vaccine 
dose) and 40% in staff who were not 
vaccinated. 
Recent news stories demonstrate that 
outbreaks affecting staff members are 
still occurring in U.S. healthcare 
facilities. An outbreak that began in 
August, 2021 at a Washington State 
nursing center resulted in infections in 
22 staff members and 52 residents. In an 
unrelated outbreak, a nursing facility in 
Hawaii reported infections in 24 
employees and 54 patients (Wingate, 
September 24, 2021). Vaccination rates 
were reported at 64.5% of residents and 
37.1% of staff in the Washington State 
facility and 91% of staff and more than 
80% of patients at the Hawaii facility. 
COVID–19 cases were also observed 
in staff at ambulatory care settings prior 
to emergence of the Delta variant. Over 
an 11-week period beginning on March 
20, 2020, 254 tests for SARS–CoV–2 
were performed on employees who had 
potential exposures at an outpatient 
urology center in New York State 
(Kapoor et al., 2020). Positive test rates 
in employees correlated with rates in 
New York State, declining over time, 
from 26.1% in the early stage to 7.3% 
in the late stage of the study. According 
to study authors, the positive test results 
coincided with the implementation of 
infection control procedures (e.g., 
symptom screening, masking, 
distancing, and hygiene). Positivity rates 
were similar in administrative and 
clinical staff and the study authors 
concluded that ‘‘administrative staff in 
an outpatient setting were equally—if 
not more—vulnerable to SARS–CoV–2 
transmission when compared with 
clinical staff who were more directly 
exposed to patients.’’ The study authors 
speculated that possible reasons for the 
findings were that clinical staff were 
more familiar with PPE and that 
administrative staff, especially in check- 
in and check-out points, tend to work 
close to each other. 
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12 A discussion of vaccination rates, as well as 
OSHA’s rationale for why vaccination is a critical 
means of protecting workers from the grave danger 
described in this section, can be found in Need for 
the ETS (Section III.B. of this preamble). 
13 While mild cases of COVID–19 are included in 
the grave danger presented by COVID–19, as stated 
in the Healthcare ETS (see 86 FR 32382), OSHA is 
focusing on the most severe health effects, i.e., cases 
requiring hospitalization and cases resulting in 
death, in this new rulemaking effort in order to 
prevent the gravest of consequences to workers. 
14 This adoption includes the citations in the 
referenced section of the Healthcare ETS, which are 
also included in the docket for this ETS. 
c. Conclusion for Employee Impact 
The evidence described above 
provides examples of the impact that 
exposures from SARS–CoV–2, including 
those involving the Delta variant, have 
had on employees in general industry, 
agriculture, construction, maritime, and 
healthcare settings. It demonstrates that 
SARS–CoV–2 has spread to employees 
in these industries and, in many cases, 
infection was linked to exposure to 
infected persons at the worksite (WSDH, 
September 8, 2021; OHA, September 1, 
2021; TDH, September 8, 2021; 
NCDHHS, August 30, 2021; Hawaii 
State, August 19, 2021; Pray et al., 
January 29, 2021; Sami et al., April 9, 
2021; Suhs et al., July 23, 2021; Gold et 
al., February 26, 2021; Porter et al., 
April 30, 2021; Hetema¨ki et al., July 29, 
2021; Williams et al., July 8, 2021). The 
documentation of so many workplace 
clusters suggests that exposures to 
SARS–CoV–2 occur regularly in 
workplaces where employees come into 
contact with others. This prevalence of 
clusters, combined with some evidence 
that many infections occurred within 
the 14-day incubation period for SARS– 
CoV–2 and that exposures to infected 
persons outside the workplace were 
frequently ruled out, supports the 
proposition that exposures to and 
transmission of SARS–CoV–2 occur 
frequently at work. Multiple studies 
demonstrate high rates of COVID 
infections, illnesses, and fatalities in the 
wide range of occupations that require 
frequent or prolonged close contact with 
other people, indoor work, and work in 
crowded and/or poorly ventilated areas 
The large numbers of infected 
employees suggest that SARS–CoV–2 is 
likely to be present in a wide variety of 
workplaces, placing unvaccinated 
workers at risk of serious and 
potentially fatal health effects. 
IV. Vaccines Effectively Reduce Severe 
Health Outcomes From and 
Transmission of SARS–CoV–2 
During the course of the SARS–CoV– 
2 pandemic, different variants have 
emerged with different characteristics 
that better enable transmission and 
potentially cause more severe outcomes. 
However, vaccines remain very effective 
at reducing the occurrence of COVID– 
19-related severe illness, disability and 
death.12 The Delta variant is more 
transmissible than previous variants, 
might cause more severe illness than 
previous variants in unvaccinated 
people, and has led to hospitalization of 
individuals in numbers similar to those 
of the November 2020 to February 2021 
surge. These changes in characteristics 
have provided a clearer realization of 
the continuing capacity for SARS–CoV– 
2 to present a grave danger to workers. 
However, it is well evident that even 
given these changed characteristics of 
Delta, serious disease and death 
continue to occur overwhelmingly in 
unvaccinated individuals while the 
vaccinated are afforded great 
protection.13 
a. Impact of Vaccination on Severe 
Health Outcomes 
There are currently three vaccines 
that are approved or authorized for the 
prevention of COVID–19 in the U.S.: 
The Pfizer-BioNTech COVID–19 vaccine 
(FDA approved for ages 16 and above; 
authorized for ages 12 and above), the 
FDA-authorized Moderna COVID–19 
vaccine (authorized for ages 18 and 
above), and the FDA-authorized Janssen 
COVID–19 vaccine (also known as the 
Johnson & Johnson vaccine; authorized 
for ages 18 and above.) Pfizer-BioNTech 
and Moderna are mRNA vaccines that 
require two primary series doses 
administered three weeks and one 
month apart, respectively. Janssen is a 
viral vector vaccine administered as a 
single primary vaccination dose (CDC, 
September 15, 2021). The vaccines were 
shown to greatly exceed minimum 
efficacy thresholds in preventing 
COVID–19 in clinical trial participants 
(FDA, December 11, 2020; FDA, 
December 18, 2020; FDA, February 26, 
2021). Data from clinical trials for all 
three vaccines and observational studies 
for the two mRNA vaccines clearly 
establish that fully vaccinated persons 
have a greatly reduced risk of SARS– 
CoV–2 infection compared to 
unvaccinated individuals. This includes 
severe infections requiring 
hospitalization and those resulting in 
death. For more information about the 
effectiveness of vaccines as of late 
Spring 2021, see 86 FR 32397, which 
OSHA hereby includes in the record for 
this ETS.14 
Vaccines remain highly effective 
against hospitalization and death. A 
study evaluating vaccine effectiveness at 
preventing hospitalization among those 
with SARS–CoV–2 infections in New 
York found that effectiveness did not 
change from May 3 to July 25, 2021 as 
the Alpha variant gave way to the Delta 
variant (91.9–96.2% range; Rosenberg et 
al., August 27, 2021). Grannis et al. used 
data from 187 hospitals in nine states 
from June to August 2021 to evaluate 
the efficacy of vaccines against 
hospitalization when Delta had emerged 
as the predominant variant causing 
SARS–CoV–2 infections (September 17, 
2021). This study found that vaccines 
were 89% effective at preventing 
hospitalization in individuals aged 18 to 
74. Similarly, vaccines were also found 
to be 89% effective in preventing 
hospitalization in a study collecting 
data from five Veteran Affairs Medical 
Centers from July 1 to August 6, 2021, 
a time when most transmission was 
attributed to the Delta variant (Bajema et 
al., September 10, 2021). 
Two other studies found that, 
although the level of protection 
provided by vaccination has decreased 
somewhat with the emergence of the 
Delta variant, vaccines continue to 
provide high levels of protection against 
hospitalization. In a U.S. study, 
researchers found that while the 
Moderna and Janssen vaccines mostly 
maintained their effectiveness at 
preventing hospitalization (going from 
93% to 92% after more than 120 days 
post-vaccination and 71% to 68% after 
more than 28 days post-vaccination, 
respectively) from March to August 
2021, the effectiveness of the Pfizer- 
BioNTech vaccine at preventing those 
severe outcomes decreased from 91% to 
77% after more than 120 days post- 
vaccination (Self et al., September 17, 
2021). An Israeli study on infections 
documented between July 11 and July 
31, 2021 found a significant decrease in 
vaccine efficacy for the Pfizer-BioNTech 
vaccine against severe outcomes in 
relation to when an individual was 
vaccinated, but the absolute difference 
was much less than what was observed 
in the U.S. study (e.g., 98% effective for 
40–59 year olds vaccinated in March 
versus 94% effective for those in the 
same age group who were vaccinated in 
January) (Goldberg et al., August 30, 
2021). 
Vaccines also remain extremely 
effective at preventing death. A UK 
study evaluated the effectiveness of the 
Pfizer-BioNTech vaccine against death 
and found it to be 96.3% effective 
against the Alpha strain and 95.2% 
protective against the Delta strain 
(Andrews et al., September 21, 2021). 
Two Israeli studies, Haas et al. and 
Saciuk et al., performed during time 
periods where Alpha was predominant, 
found the Pfizer-BioNTech vaccine to be 
96.7% and 91.1% effective, 
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respectively, against death (Haas et al., 
May 15, 2021; Saciuk et al., June 25, 
2021). A California study found that the 
Moderna vaccine was 97.9% effective 
against death (Bruxvoort et al., 
September 2, 2021). A study on patients 
served by the Veterans Health 
Administration found that Pfizer- 
BioNTech and Moderna vaccines 
provided 99% effectiveness against 
death (Young-Xu et al., July 14, 2021). 
The risks of hospitalization and death 
appear to have increased for 
unvaccinated individuals since the 
Delta variant became a common source 
of infections. A study of Los Angeles 
County SARS–CoV–2 infections found 
that vaccinations reduced 
hospitalization risk by a factor of 10 on 
May 1, 2021, when the Alpha variant 
was dominant, but that the risk of 
hospitalization was even more greatly 
reduced (by a factor of 29.2) on July 25, 
2021, when the Delta variant was 
dominant (Griffin et al., August 27, 
2021). This difference suggests both that 
vaccines continue to provide a high 
level of protection against disease that 
results in hospitalization and that risk 
has increased for those who are 
unvaccinated. Similar increased risk for 
unvaccinated individuals was reported 
in a study that evaluated hospitalization 
and death data from 13 U.S. 
jurisdictions between June 20 and July 
17, 2021, a period when the Delta 
variant gained prominence (Scobie et 
al., September 17, 2021). For 
unvaccinated 18 to 49 year olds, the risk 
of hospitalization was 15.2 times 
greater, and the risk of death was 17.2 
times greater, than the risks for 
vaccinated people in the same age 
range. For unvaccinated 50 to 64 year 
olds, the risk of hospitalization was 10.9 
times greater, and the risk of death was 
17.9 times greater, than for those who 
are vaccinated. These studies illustrate 
that vaccination is an extremely 
effective control measure to minimize 
severe outcomes resulting from Delta 
variant infections. 
b. Impact of Vaccination on Infection 
and Transmission 
Vaccines continue to provide robust 
protection for vaccinated individuals 
against SARS–CoV–2 infections, even 
though several studies indicate that 
vaccine efficacy against infection may 
have decreased somewhat with the 
emergence of the Delta variant (Fowlkes 
et al., August 27, 2021; Rosenberg et al., 
August 27, 2021; Nanduri et al., August 
27, 2021; Seppala et al., September 2, 
2021; Bernal et al., August 12, 2021). 
For example, vaccination was observed 
to reduce the risk of infection by a factor 
of 8.4 on May 1, 2021, when the Alpha 
variant was predominant in Los Angeles 
county (Griffin et al., August 27, 2021). 
However, the level of protection had 
fallen to a factor of 4.9 by July 25, 2021, 
when Delta made up 88% of infections 
in the county. The findings from this 
study indicate that while vaccines 
maintain robust protection against 
severe outcomes, protection against 
infection has fallen with the increased 
circulation of the Delta variant. A 
broader study using data from 13 U.S. 
jurisdictions had similar findings, 
observing that the protection vaccines 
afforded against infection decreased 
from a factor of 11.1 (i.e., vaccinated 
people were 11.1 times less likely than 
unvaccinated people to become 
infected) between April 4 and June 19, 
2021, to a factor of 4.6 between June 20 
and July 17, 2021 (Scobie et al., 
September 17, 2021). An additional 
study noted, however, that the decrease 
in vaccine protectiveness against 
symptomatic infection from the Delta 
variant could be due to the waning of 
immunity specifically in older 
populations. Andrews et al. (September 
21, 2021) found that while the Pfizer- 
BioNTech vaccine effectiveness 
decreased from 94.1% to 67.4% in those 
65 years old and older, vaccine 
effectiveness for those 40 to 64 years old 
only decreased from 92.9% to 80.6%. 
While infections themselves do not 
normally result in serious illness for 
those who are vaccinated, evidence 
shows that vaccinated individuals who 
become infected with the Delta variant 
can transmit the disease more easily to 
others than with previous variants. This 
development poses a great concern for 
the unvaccinated, who generally do not 
have the protections against severe 
outcomes that vaccination affords. 
Before Delta, vaccinated individuals 
were shown to have lower estimated 
viral loads when infected than those 
who were unvaccinated, which 
suggested that infected vaccinated 
individuals were likely not a major 
concern for transmission (Levine- 
Tiefenbrun et al., March 29, 2021). 
Transmission studies prior to the 
emergence of Delta appear to bear this 
out. A Scottish study performed during 
a time period when the Alpha variant 
was predominant in the region, showed 
that a fully vaccinated individual was 
3.2 times less likely than an 
unvaccinated individual to transmit the 
virus to unvaccinated family members 
(Shah et al., September 10, 2021; 
supplementary appendix). A 
population-based study from the 
Netherlands found that vaccination 
decreased secondary transmission to 
household members from 31% to 11% 
(de Gier et al., August 5, 2021). 
Additionally, a study from the UK 
found that household transmission 
decreased by as much as 50% when the 
infected individual was vaccinated 
(Harris et al., June 23, 2021). 
More recent research suggests that the 
Delta variant may have reduced the 
level of protection vaccination affords 
against transmission of the virus to 
others, but still significantly reduces 
transmission risk in comparison to 
infected unvaccinated individuals. A 
UK study found that fully vaccinated 
individuals infected by the Delta variant 
are able to transmit the virus to both 
vaccinated and, to a greater degree, 
unvaccinated persons (Singanayagam et 
al., September 6, 2021). Still, the rate at 
which transmission to unvaccinated 
individuals occurred was nearly double 
the rate of transmission to vaccinated 
individuals (35.7% compared to 19.7%). 
Similarly, Eyre et al., (September 29, 
2021) found that during the 
predominance of Alpha, full vaccination 
with the Pfizer-BioNTech vaccines 
resulted in a significant reduction in 
transmission to others (an adjusted 
Odds Ratio (aOR) of 0.18, meaning that 
being unvaccinated increased the odds 
of transmission by over five times). With 
the rise of the Delta variant, that 
reduction in transmission to others was 
less than with the Alpha variant, but 
still significantly more than for 
unvaccinated individuals (aOR of 0.35, 
meaning that being unvaccinated 
increased the odds of transmission by 
almost three times). 
The greater ability for vaccinated 
individuals to transmit the Delta variant 
of SARS–CoV–2 to others (compared to 
previous variants) appears to be linked 
to the generation of similar viral loads 
(as estimated by Ct threshold) in the 
vaccinated compared to the 
unvaccinated (Ct threshold is the 
number of RT–PCR cycles that need to 
be run in order to amplify the RNA 
enough to be detected—fewer cycles 
means a greater initial amount of virus 
was collected) (Singanayagam et al., 
September 6, 2021). This observation 
has been made in several studies. A 
study from Israel observed that viral 
loads among those infected with the 
Delta variant were only decreased in 
people who had been vaccinated 
recently (within the past two months) or 
in those who had recently received a 
booster dose (Levine-Tiefenbrun et al., 
September 1, 2021). In a study of SARS– 
CoV–2 infections in Los Angeles 
County, performed when the Delta 
variant was predominant, vaccination 
status did not appear to affect the 
estimated viral loads, suggesting that 
infected individuals who are vaccinated 
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15 The exclusion of vaccinated workers from this 
grave danger finding does not mean that vaccinated 
workers face no risk from exposure to SARS–CoV– 
2. The best available evidence clearly shows that 
vaccination provides great protection from infection 
and severe outcomes, but breakthrough infections 
do occur and vaccinated individuals can still 
transmit the virus to others. In some cases, the level 
of risk to vaccinated workers may even rise to the 
level of a significant risk, the standard OSHA must 
meet for promulgation of a permanent standard 
under section 6(b)(5) of the OSH Act (29 U.S.C. 
655(b)(5)). 
may be just as likely to transmit the 
virus (Griffin et al., August 27, 2021). 
Additionally, estimated viral loads did 
not appear to be significantly different 
with respect to vaccination status in a 
Wisconsin study (Riemersma et al., July 
31, 2021). Regardless of viral loads in 
vaccinated and unvaccinated 
individuals, the fact remains clear that 
unvaccinated people pose a higher risk 
of transmission to others than 
vaccinated people, simply because they 
are much more likely to get COVID–19 
in the first place. 
These studies, however, appear to 
overstate increases in transmission risk 
from vaccinated individuals related to 
the Delta variant. From May to July 
2021, UK researchers tested individuals 
at random to better characterize viral 
load estimates in people with 
asymptomatic as well as symptomatic 
infections; they found that vaccination 
was associated with a significantly 
lower estimated viral load (Elliott et al., 
September 10, 2021). This more 
comprehensive study (i.e., Elliott et al., 
September 10, 2021) may have been able 
to better characterize the course of 
infection and to incorporate vaccinated 
individuals whose viral loads were 
decreasing quickly. The findings in 
Elliott et al. are consistent with studies 
observing that viral load may fall more 
quickly in vaccinated individuals, 
resulting in a shorter infectious period 
and possibly fewer transmission events 
(Chia et al., July 31, 2021; Eyre et al., 
September 29, 2021). 
c. Conclusion for the Impact of Vaccines 
The studies discussed above indicate 
that vaccines continue to effectively 
protect vaccinated individuals against 
SARS–CoV–2 infections, while the risk 
of infection, hospitalization, and death 
increased among unvaccinated people 
as the Delta variant became 
predominant in the U.S. The Delta 
variant is even more dangerous to 
unvaccinated individuals than previous 
variants because of the higher 
transmission potential from both 
unvaccinated and vaccinated people. 
Because unvaccinated individuals are at 
much higher risk of severe health 
outcomes from infection with SARS– 
CoV–2, and also pose a greater 
transmission risk to those around them, 
it is critical to assure that as many 
people as possible are fully vaccinated 
in order to prevent transmission at 
work. 
V. Coverage of OSHA’s Grave Danger 
Finding 
Based on the information discussed 
above, OSHA finds that many 
unvaccinated workers across the U.S. 
economy are facing a grave danger of 
severe health effects or death from 
exposure to SARS–CoV–2. Fully 
vaccinated workers are not included in 
this grave danger finding because, as 
described throughout this section, those 
who are fully vaccinated are much 
better protected from the effects of 
SARS–CoV–2 and, in particular, the 
most severe effects, than are those who 
are unvaccinated.15 Beyond that, 
OSHA’s grave danger determination 
exempts several categories of workers 
based on characteristics of their work or 
workplace: (1) Workers who do not 
report to a workplace where other 
individuals are present or who telework 
from home; and (2) workers who 
perform their work exclusively 
outdoors. The basis for these 
exemptions is explained below. In this 
section, OSHA also addresses the basis 
for OSHA’s grave danger finding for 
workers who are unvaccinated yet had 
a prior COVID–19 infection, and 
explains the Agency’s more nuanced 
grave danger finding in the healthcare 
industry. 
a. Employees Who Telework and 
Employees Who Do Not Report to a 
Workplace Where Other People Are 
Present. 
Employees who report to workplaces 
where no other people are present face 
no grave danger from occupational 
exposure to COVID–19 because such 
exposure requires the presence of other 
people. For those who work from their 
homes, or from workplaces where no 
other people are present (such as a 
remote worksite), the chances of being 
exposed to SARS–CoV–2 through a 
work activity are negligible. Therefore, 
OSHA is exempting those workers who 
do not come into contact with others for 
work purposes from its grave danger 
finding as well as the scope of the ETS 
(for more information, see the Summary 
and Explanation for Scope and 
Application, Section VI.B. of this 
preamble). 
b. Employees Who Work Exclusively 
Outside 
Employees who work exclusively 
outside face a much lower risk of 
exposure to SARS–CoV–2 at work, 
because their workplaces typically do 
not include any of the characteristics 
that normally enable transmission to 
occur (e.g., indoors, lack of ventilation, 
crowding). Bulfone et al. attributed the 
lower risk of transmission in outdoor 
settings (i.e., open air or structures with 
one wall) to increased ventilation with 
fresh air and a greater ability to 
maintain physical distancing (November 
29, 2020). While the best available 
evidence firmly establishes a grave 
danger in indoor settings, the CDC has 
stated that the risk of outdoor 
transmission is ‘‘low’’ (CDC, September 
1, 2021) and OSHA is unable to 
establish a grave danger in outdoor 
settings from exposure during normal 
work activities. 
OSHA recognizes that outdoor 
transmission has been identified in a 
few specific incidents (e.g., 2 of 7,324 
cases, Qian et al., October 27, 2020). 
However, general reviews of 
transmission studies that include large- 
scale and high-density outdoor 
gatherings indicate that indoor 
transmission overwhelmingly is 
responsible for SARS–CoV–2 
transmission. Additionally, the lack of 
evidence tied to specific case studies 
illustrating outdoor transmission in 
comparison to the bevy of case studies 
on indoor transmission makes it 
difficult to support a conclusion that 
outdoor transmission rises to the level 
of a grave danger. 
Bulfone et al. reviewed a collection of 
SARS–CoV–2 studies that evaluated 
infections in outdoor and indoor 
settings (November 29, 2020), and found 
that transmission is significantly less 
likely to occur in outdoor settings than 
in indoor settings. The studies overall 
found that the risk of outdoor 
transmission was less than 10% of the 
risk of transmission in indoor settings, 
with three of the studies concluding risk 
was 5% or less of the risk of 
transmission in indoor settings. While 
acknowledging significant gaps in 
knowledge, the authors of a different 
study suggested that increases in 
transmission related to large events such 
as the Sturgis motorcycle rally may be 
related to lack of local efforts to prevent 
transmission indoors (e.g., requiring the 
wearing of masks, closing indoor 
dining), rather than the outdoor setting 
for the rally (Dave et al., December 2, 
2020). In contrast, transmission rates 
did not increase as expected following 
the Summer 2020 protests on racial 
injustice. This outcome was attributed, 
in part, to participants having been less 
likely to enter indoor commercial 
establishments. 
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Weed and Foad (September 10, 2020) 
found that transmission of SARS–CoV– 
2 related to large scale outdoor 
gatherings could be largely attributed to 
individual behaviors related to that 
event, such as communal travel and 
indoor congregation at other facilities 
(e.g., restaurants, shared 
accommodations), rather than to the 
time spent outdoors at those gatherings. 
Similarly, a Public Health England 
evaluation of the literature on SARS– 
CoV–2 and surrogate respiratory viruses 
(December 18, 2020) also concluded that 
when transmission does occur at 
outdoor events, outdoor activities were 
mixed with indoor setting use. Public 
Health England concluded that the vast 
majority of transmission happens in 
indoor settings, with very little evidence 
for outdoor transmission. 
A systemic review of SARS–CoV–2 
clusters identified 201 events through 
May 26, 2020 (Leclerc et al., April 28, 
2021), only 4 of which occurred at 
predominantly outdoor settings. For 
those 4 clusters, the authors noted that 
they were not able to evaluate specific 
transmission events and attributed it to 
local health agencies being 
overwhelmed by the pandemic. OSHA 
notes that the designations of settings in 
this study are somewhat generic, as 
outdoor construction sites will often 
have indoor locations, such as mobile 
offices, or locations with reduced 
airflow, such as areas with a roof or 
ceiling and two or more walls. 
Regardless, this study illustrates the 
comparable abundance of evidence 
available to evaluate SARS–CoV–2 
transmission in indoor settings versus 
outdoor settings. 
Cevik et al. (August 1, 2021) reviewed 
studies on the transmission dynamics of 
SARS–CoV–2 infections from large 
scale, contact-tracing studies. The 
authors recommended that, based on the 
evidence that outdoor transmission 
dynamics resulted in significantly fewer 
infections than in indoor settings, 
public health entities should greatly 
encourage use of outdoor settings. The 
researchers highlighted a study by 
Nishiura et al. (April 16, 2020), who 
evaluated 110 cases in Japan at the 
beginning of the pandemic and found 
that outdoor settings reduced 
transmission risk by 18.7 times and 
reduced the risk of super-spreader 
events by 32.5 times. 
Agricultural workplace settings have 
experienced significant SARS–CoV–2 
infections. However, transmission in 
these settings is difficult to characterize 
because many jobs in this sector include 
both outdoor and indoor activities. 
Miller et al. (April 30, 2021) evaluated 
an outbreak among farmworkers in 
Washington State. The researchers 
found that 28% of workers with 
predominantly indoor tasks where they 
were unable to maintain physical 
distance were infected, compared to 6% 
of workers who performed 
predominantly outdoors tasks in the 
orchards. Conversely, a study on 
farmworkers in Monterey County, 
California found a significant 
correlation between evidence of 
infection and individuals who worked 
in the fields as opposed to indoor work 
(Mora et al., September 15, 2021). The 
paper noted that infections were 
predominant in individuals who lived 
in crowded conditions, commuted 
together to the fields, and spoke at home 
in indigenous languages, which is 
important as written health messages 
are often not available in all worker 
languages. These papers cannot identify 
where or when infections occurred in 
order to discern causation. The 
associations observed may indicate that 
SARS–CoV–2 infections may be more 
related to aspects related to indoor 
exposures outside of the work activities 
(e.g., crowded living conditions) or 
potentially overlooked indoor aspects 
connected to outdoor work (e.g., shared 
commuting). 
Several studies discussed below in 
more detail have evaluated outdoors on- 
field transmission from infected 
participants during football, soccer, and 
rugby matches. These events include 
repeated close physical contact between 
players, without PPE or physical 
distancing, over the course of fairly long 
events, with increased exertion leading 
to greater respiratory effort and 
production of respiratory droplets. 
These events also include opposing 
cohorts who only interact during on- 
field activities. Therefore, these studies 
provide some evidence for the low 
likelihood of outdoor transmission in 
other workplace activities greatly 
impacted by the pandemic, such as in 
construction. 
Mack et al. (January 29, 2021) detailed 
the National Football League’s complex 
program to assess and prevent 
transmission, which included devices 
that recorded distance and duration of 
interactions with others, for the purpose 
of improving identification of 
individuals with high-risk exposures. 
Although 329 positive cases were 
identified among roughly 11,400 players 
and staff, there were no reported cases 
of on-field transmission by infected 
players. The results led the NFL to focus 
more on reducing transmission in 
indoor settings, including 
transportation. 
Egger et al. (March 18, 2021) reviewed 
three soccer matches involving 18 
players who had SARS–CoV–2; one 
match involved a team where 44% of 
the players were infected. Video 
analysis was used to determine the type 
of contact between players, such as 
contact to face or hand slaps. None of 
the existing cases were associated with 
on-field play and no secondary 
transmission from on-the-field contacts 
was observed. Jones et al. (February 11, 
2021), evaluated four rugby Super 
League matches involving eight players 
who were found to be infected with 
SARS–CoV–2. Using video footage and 
global positioning data, the researchers 
were able to identify 28 players as high- 
risk contacts with the infected players. 
These high-risk players together had as 
many as 32 tackles and were within two 
meters of infected players as often as 
121 times during the four matches. Of 
the 28 players noted as high-risk 
contacts, one became infected with 
SARS–CoV–2. However, researchers 
determined that the transmission 
resulted from internal team outbreaks 
and not from exposure on the field. 
OSHA acknowledges that the risk of 
transmission of SARS–CoV–2 in 
outdoor settings is not zero, and that 
there may be some low risk to workers 
performing general tasks exclusively in 
outdoor settings. However, where 
studies have been able to differentiate 
between indoor and outdoor exposures, 
they indicate that indoor exposures are 
the much more significant drivers of 
SARS–CoV–2 infections. Therefore, the 
best available evidence at this time does 
not provide OSHA with the information 
needed to establish SARS–CoV–2 as a 
grave danger for general work activities 
in outdoor settings (see Int’l Union, 
United Auto., Aerospace, & Agr. 
Implement Workers of Am., UAW, 590 
F. Supp. at 755–56, describing a ‘‘grave 
danger’’ as a risk that is more than 
‘‘significant’’). Therefore, OSHA has 
excluded employees who work 
exclusively outdoors from the scope of 
this ETS (see the Summary and 
Explanation for Scope and Application, 
Section VI.B. of this preamble). 
c. Employees in Healthcare 
Because OSHA issued a separate 
grave danger determination several 
months ago for some healthcare 
workers, some explanation of how its 
current finding applies to healthcare 
workers is necessary. In June 2021, 
OSHA issued its Healthcare ETS (86 FR 
32376) after determining that some 
healthcare workers faced a grave danger 
of infection from SARS–CoV–2. This 
grave danger determination, along with 
the protections of the Healthcare ETS, 
applied to healthcare and healthcare 
support workers in settings where 
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people with suspected or confirmed 
cases of COVID–19 are treated, and was 
based on the increased potential for 
transmission of the virus in such 
settings (see 86 FR 32411–32412). These 
workers are currently covered by the 
protections of the Healthcare ETS (29 
CFR 1910.502). OSHA does not have 
data to demonstrate that unvaccinated 
workers in settings covered by the 
Healthcare ETS face a grave danger from 
SARS–CoV–2 when the requirements of 
that standard are followed. However, if 
the Healthcare ETS were no longer in 
effect, OSHA would consider the 
workers who were covered by it, and 
who remain unvaccinated, to be at grave 
danger for the reasons described in this 
ETS. 
OSHA’s new finding of grave danger 
applies to healthcare and healthcare 
support workers who are not covered by 
the Healthcare ETS, to the extent they 
remain unvaccinated. In this ETS, as 
discussed in this section, OSHA has 
made a broader determination of grave 
danger that applies to most 
unvaccinated workers, regardless of 
industry. OSHA’s current finding of 
grave danger supporting this ETS does 
not depend on whether a workplace is 
one where people with suspected or 
confirmed COVID–19 are expected to be 
present. Therefore, the finding of grave 
danger applies to unvaccinated workers 
in healthcare settings that are not 
covered by 29 CFR 1910.502 to the same 
extent it applies to unvaccinated 
workers in all other industry sectors. 
d. Employees Who Were Previously 
Infected With SARS–CoV–2 
OSHA has carefully evaluated the 
effectiveness of previous SARS–CoV–2 
infections in providing protection 
against reinfection. This section 
provides a detailed description of the 
current scientific information in order to 
ascertain what the best available 
scientific evidence on this topic 
indicates regarding the risk to 
individuals with previous COVID–19 
infections from exposure to SARS–CoV– 
2. While the agency acknowledges that 
the science is evolving, OSHA finds that 
there is insufficient evidence to allow 
the agency to consider infection- 
acquired immunity to allay the grave 
danger of exposure to, and reinfection 
from, SARS–CoV–2. 
To determine whether employees 
with infection-induced immunity from 
SARS–CoV–2 (i.e., those who were 
infected with SARS–CoV–2 but have not 
been vaccinated) face a grave danger, 
OSHA reviewed the scientific evidence 
on the protective effects of vaccine- 
induced SARS–CoV–2 immunity versus 
infection-induced immunity. Individual 
immunity to any infectious disease, 
including SARS–CoV–2, is achieved 
through a complex response to exposure 
by the immune system. This response 
consists of disease-specific antibody 
production guided and augmented by 
certain types of immune cells, such as 
T and B cells, which work together to 
neutralize or destroy the disease-causing 
agent. Immune responses to viruses like 
SARS–CoV–2 can be measured in 
several ways. For instance, blood serum 
can be taken and exposed to specific 
proteins found on the SARS–CoV–2 
virus, in order to measure the presence 
of antibodies in the blood. Another 
antibody test, the neutralization test, 
measures the ability of the antibodies 
present in a serum to neutralize 
infectivity and prevent cells from being 
infected. T cell immunity can be 
measured using techniques that target a 
specific biomolecule that is specific to 
SARS–CoV–2. 
A considerable number of individuals 
who were previously infected with 
SARS–CoV–2 do not appear to have 
acquired effective immunity to the virus 
(Psichogiou et al., September 13, 2021; 
Wei et al., July 5, 2021; Cavanaugh et 
al., August 13, 2021). The level of 
protection afforded by infection- 
induced immunity appears to depend 
on the severity of individuals’ 
infections. In a study from Greece, 
immunogenicity was compared between 
healthcare workers who were 
vaccinated with Pfizer-BioNTech and 
unvaccinated patients who acquired a 
natural infection (Psichogiou et al., 
September 13, 2021). The researchers 
found that the immune response in 
unvaccinated individuals correlated to 
the severity of their disease. Fully 
vaccinated healthcare workers had 
immune responses (measured as 
antibody levels specific to SARS–CoV– 
2) that were 1.3 times greater than 
patients who had critical cases of 
COVID–19 cases, 2.5 times greater than 
patients who had moderate to severe 
cases, and 10.5 times greater than 
patients who had asymptomatic/mild 
illnesses. Similarly, another study found 
that 24.0% (1,742 of 7,256) of 
individuals who had a previous SARS– 
CoV–2 infection were seronegative (i.e., 
did not produce antibodies in response 
to the virus), suggesting that the 
previous infection provided insufficient 
protection against future infection (Wei 
et al., July 5, 2021). Individuals who 
were seronegative were typically older, 
had lower viral burdens when infected, 
and were more likely to be 
asymptomatic. The authors posited that 
the immunity of those who were 
seropositive (i.e., did produce 
antibodies in response to the virus) 
would provide some measure of 
protection, but that these individuals 
would benefit from a vaccination 
booster. This position appears to be 
validated by a study that compared the 
reinfection rates of individuals in 
Kentucky based on their post-recovery 
vaccination status (Cavanaugh et al., 
August 13, 2021). Unvaccinated 
individuals with previous infection 
were found to be 2.3 times more likely 
to be reinfected than those who were 
vaccinated after their prior infection. 
These studies demonstrate not only that 
those with milder infections may not be 
protected against future infection, but 
that it is difficult to tell, on an 
individual level, which individuals 
might have had prior infections that 
conveyed protection equivalent to that 
provided by vaccination. 
A number of other studies indicate 
that fully vaccinated individuals may be 
better protected against future infection 
than those with previous infections. A 
study in Massachusetts concluded that 
the immunity conveyed from a previous 
SARS–CoV–2 infection was effectively 
equivalent to the immunity of an 
uninfected individual who has had only 
one dose of an mRNA vaccine 
(Naranbhai et al., October 13, 2021). The 
authors found that fully vaccinated 
individuals have an immune response 
(i.e., antibodies and neutralization) well 
above the levels observed in 
unvaccinated, previously-infected 
individuals. German researchers found 
that individuals who were fully 
vaccinated with Pfizer-BioNTech had a 
significantly greater immune response 
(as measured by antibody levels) than 
unvaccinated individuals who had 
infections, concluding that vaccination 
would be needed for those unvaccinated 
individuals to have similar protection 
against infection (Herzberg et al., June 
13, 2021). Similarly, a Dutch study 
observed that vaccination greatly 
improved the immune response (as 
measured by antibodies and virus- 
specific T cells) of individuals who had 
recovered from COVID–19 (Geers et al., 
May 25, 2021). Planas et al. (August 12, 
2021) also noted that immune response 
(as measured by neutralization) to the 
Alpha, Beta, and Delta (B.1.617.2) 
variants in unvaccinated, previously- 
infected individuals was considerably 
less than the immune response in 
individuals five weeks after their second 
Pfizer-BioNTech dose. When 
unvaccinated, previously-infected 
individuals were vaccinated, their 
immune response (as measured by 
neutralization) increased by more than 
an order of magnitude. Likewise, Wang 
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et al. (July 15, 2021) found that the 
immune response (as measured by 
neutralization) of those with previous 
SARS–CoV–2 infection increased by 
more than an order of magnitude against 
Alpha (B.1.1.7), Beta (B.1.351), Iota 
(B.1.526), and Gamma (P.1) variants 
when they were vaccinated. These 
studies show that infection-induced 
immunity may not equal the protection 
afforded by vaccination and that 
vaccination greatly improves the 
immune response of those who were 
previously infected. 
The aforementioned studies indicate 
that immunity acquired through 
infection appears to be less protective 
than vaccination. There are also a 
number of epidemiological studies that 
provide some evidence that infection- 
acquired immunity has the potential to 
provide a significant level of protection 
against reinfection. As OSHA discusses 
in greater detail below, these studies 
suffer from methodological limitations 
that render them inconclusive about the 
level of immunity conferred by 
infection, and therefore OSHA is unable 
to establish that such immunity 
eliminates grave danger. This 
determination is based in three parts. 
First, the epidemiological literature 
OSHA reviewed generally suffers from 
selection bias to a degree that it serves 
as an unreliable basis on which to reach 
a robust conclusion on whether 
previous infection removes workers 
from grave danger. In general, the 
studies described below do not account 
for people who had mild COVID–19 
infections, leading to study findings 
regarding the level of protection 
afforded by prior infection that are not 
generally applicable. Second, the tests 
employed in the studies are being used 
in ways that they were not originally 
designed to be employed. These tests 
are powerful tools, but there are 
limitations to their use in determining if 
a specific individual is, in fact, 
protected from the grave danger of 
SARS–CoV–2. Particularly problematic 
is the lack of established thresholds to 
determine full protection from 
reinfection or even a standardized 
methodology to determine infection 
severity or immune response. Thus, 
while these studies broadly establish 
some increase in protectiveness against 
SARS–CoV–2 among the studied 
populations, they as yet are unable to 
provide a reasonable degree of certainty 
on whether the degree of protection 
afforded any particular individual from 
their prior infection is sufficient to 
eliminate the grave danger from 
reinfection (see Milne, et al., October 21, 
2021.) Third, while the research 
methodology itself creates difficulties in 
the context of OSHA’s grave danger 
inquiry, the implications of trying to 
apply investigative research 
methodology to clinical practice are 
even more challenging. The need for the 
development of standardized methods 
and criteria for establishing sufficient 
immunity preclude the application of 
the studies’ findings to robust and 
reliable clinical practice. These three 
rationales for OSHA’s finding are 
described in more detail below. 
Several epidemiological studies used 
previous RT–PCR positive cases to 
define previous infections (Hansen et 
al., March 27, 2021; Pilz et al., February 
11, 2021; Vitale et al., May 28, 2021; 
Pouwels et al., October 14, 2021; Braeye 
et al., September 15, 2021; Hall et al., 
April 17, 2021). RT–PCR tests, 
particularly in the beginning of the 
pandemic, were given high priority to 
discern who seeking medical care was, 
in fact, infected. For instance, the 
progression of testing from medical 
needs to more of a community 
perspective is illustrated in Denmark 
(Vrangbaek et al., April 29, 2021). 
Denmark, considered one of the gold 
standard countries for its 
comprehensive testing program, missed 
five infections for every one it identified 
in the spring of 2020 (Espenhaim et al., 
August 22, 2021). Hansen et al. (March 
27, 2021) depended greatly on these first 
surge infection definitions to determine 
that survivors had protection of 80.5% 
effectiveness during the second surge in 
Denmark from September through 
December, 2020. By only noting RT– 
PCR positives from the spring when 
testing was limited and highly focused 
on health care needs, it seems apparent 
that the study excluded many less 
severe cases (which are less likely to 
result in an effective immune response 
against reinfection), leading to results 
that may suggest greater protection is 
afforded by infection than in actuality. 
Even by December of 2020, it appears 
Denmark’s gold standard 
comprehensive testing approach was 
only able to capture roughly half of all 
infections. Similar systemic 
undercounts have also been determined 
to be true in the United States where 
approximately three out of four 
infections have never been reported 
(CDC, July 27, 2021b). 
It is important to recognize that RT– 
PCR testing was not implemented to 
find every infection, but was used 
instead to assist in determining when 
medical and community interventions 
were necessary. Infections without 
symptoms or with mild symptoms likely 
would not require medical intervention 
and, therefore, would likely not be 
identified via testing. The absence of 
this population that is more vulnerable 
to reinfection, in these studies, 
undercuts their usefulness in OSHA’s 
grave danger analysis, because they may 
overestimate the protectiveness of 
immunity acquired through infection. 
Several other studies in regions less 
known for their sampling approach than 
Denmark also were heavily dependent 
on early, limited pandemic RT–PCR 
testing. An Austrian study found a 
roughly ten-fold decrease in reinfection 
in survivors of reported infections from 
February to April 30, 2020 in 
comparison with the general public 
(Pilz et al., February 11, 2021). The 
authors noted that ‘‘infections in the 
first wave are likely to have been far 
more common than the documented 
ones’’ and referred to their results as a 
‘‘rough estimate.’’ Researchers at the 
Cleveland Clinic also found a reduced 
rate of reinfection in those who had a 
reported previous infection compared 
with those with no prior infection 
(13.8% infection rate for those 
previously uninfected and 4.9% 
infection rate for those previously 
infected), but noted that testing was 
limited in that the ‘‘Cleveland Clinic did 
not test asymptomatic patients unless 
they were admitted to hospital or 
undergoing a procedure/surgery’’ 
(Sheehan et al., March 15, 2021). These 
criteria for testing create uncertainty in 
determining the level of effectiveness 
previous infection provides against 
SARS–CoV–2 because many individuals 
with asymptomatic infections would not 
have been tested. Similar issues are also 
found in studies on populations in Italy, 
Belgium, and the UK (Vitale et al., May 
28, 2021; Braeye et al., September 15, 
2021; Pouwels et al., October 14, 2021). 
To avoid the well-known problems 
with RT–PCRs defining previous 
infection, other studies have defined 
previous infection as testing positive for 
antibodies specific for SARS–CoV–2 
(Lumley et al., February 11, 2021; Abu- 
Raddad et al., April 28, 2021; Hall et al., 
April 17, 2021). As noted above, 
previous infection does not necessarily 
result in a seropositive outcome; one 
study indicated that nearly a quarter 
(24%) of those infected with SARS– 
CoV–2 subsequently showed no sign of 
an immune response in SARS–CoV–2- 
specific antibody testing (Wei et al., July 
5, 2021). Therefore, studies only 
considering seropositive individuals are 
in essence studying only the individuals 
most likely to have protection from 
reinfection. Lumley et al. (February 11, 
2021) found that those having a 
seropositive response had almost an 
order of magnitude fewer infections 
(e.g., 0.11 adjusted incidence rate ratio). 
Likewise, Abu-Raddad et al. (April 28, 
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2021) found that seropositive 
individuals were reinfected less (0.7%) 
during their study period in comparison 
to seronegative individuals (3.09%). In 
addition to the bias associated with 
using antibodies to determine previous 
infection, the authors also noted that 
there may have been issues with being 
able to document cases with mild or no 
symptoms. 
Hall et al. (April 17, 2021) cast a 
wider net by defining previous infection 
to include both positive RT–PCR tests 
and seropositivity. The researchers 
found that those who were considered 
previously infected had an 84% lower 
risk of infection compared to those who 
were unvaccinated with no record of 
infection. While the study does attempt 
to capture as many previously-infected 
individuals as possible, this does not 
actually address the weaknesses of each 
method. Those with less severe 
infections were less likely to have 
sought out or been able to get an RT– 
PCR test during the first surge, which is 
when an overwhelming number of the 
previous infections were recorded in 
this study (March through May, 2020). 
Additionally, the less severe infections 
that are most likely underrepresented in 
the study appear to be the ones that are 
less likely to produce seropositivity. 
Shenai et al. (September 21, 2021) 
pooled several studies with the above 
issues and concluded that immunity 
acquired through a previous infection 
from SARS–CoV–2 may be as protective 
as, or more protective than, the 
immunity afforded by vaccination to an 
individual without previous infection. 
However, authors of several of those 
underlying studies used in the analysis 
noted that their studies were limited by 
not having the capability to fully 
account for asymptomatic infections 
(the aforementioned Lumley et al., July 
3, 2021; Gazit et al., August 25, 2021; 
Shrestha et al., June 19, 2021). As noted 
earlier, infection severity appears to be 
correlated with the robustness of 
immunity acquired through that 
infection, so the failure to account for 
asymptomatic infections may mean that 
this finding is related to the protection 
afforded by more severe disease. While 
pooled analyses can be utilized to make 
powerful observations, those 
observations are highly dependent upon 
the underlying studies not sharing the 
same methodological weakness which, 
in this case, was the studies’ exclusion 
of asymptomatic infections. 
Moreover, while the evidence 
suggests that severe infection may 
provide significant protection against 
reinfection in some cases (Milne et al., 
October 21, 2021), the level of 
protection cannot be determined on an 
individual basis. The studies discussed 
above are based on tests that show only 
whether a person was or was not 
infected and provide no information 
about the severity of the infection. 
Because the studies are likely biased 
towards those who had a relatively 
serious infection, their findings cannot 
be generalized to all individuals with 
prior infections. 
RT–PCR and antibody testing are 
powerful tools with many clinical and 
research applications. However, the 
application of these tools cannot 
determine what degree of protection a 
particular individual has against SARS– 
CoV–2 without a great deal of additional 
study concerning thresholds 
establishing individual immunity. 
Therefore, these tools are not yet able to 
assist OSHA in making more nuanced 
findings about which workers who had 
COVID–19 previously are at grave 
danger. There is no established 
threshold to determine full protection 
from reinfection or a standardized 
methodology to determine infection 
severity or immune response. Studies 
use Ct threshold to approximate viral 
loads and infer disease severity, but that 
metric depends on many variables (e.g. 
time of collection during infection, 
quality of collection, handling of 
sample, specifics of the test protocol 
and materials, precision in performing 
the protocol) that are often of far less 
importance when it is used as a crude 
diagnostic to determine the presence of 
an infection. In other words, it is 
reasonable to say that the lower the Ct 
count, the greater the likelihood that an 
individual is at a lower reinfection risk; 
however, the Ct count is greatly 
dependent on the RT–PCR test used, 
and how different laboratories may run 
that test, which cannot be discerned. 
Similarly, research needs to be done to 
better identify the minimum protective 
threshold of anti-SARS–CoV–2 serum 
neutralizing antibodies (Milne et al., 
October 21, 2021). Thus, these studies 
currently do not allow OSHA to 
determine, with a reasonable degree of 
certainty, how much protection 
employees with prior infections have 
against reinfection. 
Furthermore, while the research 
methodology itself raises challenges in 
making the grave danger determination, 
the implications of trying to apply 
investigative research methodology to 
clinical practice are even more difficult. 
The lack of standardized methods and 
standardized measures for immunity 
preclude their application to robust and 
reliable clinical practice. One major 
drawback discussed above is that, in 
contrast to vaccine studies where 
researchers know who was vaccinated 
with a standardized dosing regime, 
scientific inquiries likely will not be 
able to identify most individuals who 
were infected, the degree of disease 
experienced for those with a confirmed 
infection, and the immunity against 
reinfection. As of October 18, 2021, 
several RT–PCR assays have been 
authorized without standardization or 
assessment with respect to measuring 
disease severity (FDA, October 18, 
2021). As noted above, the use of the Ct 
threshold to approximate viral loads 
and infer disease severity is unreliable. 
As the FDA notes, the same is true about 
antibody tests, which are considered to 
be poor indicators for individuals to use 
to determine whether they are protected 
from reinfection (FDA, May 19, 2021). 
There are many different SARS–CoV–2- 
specific antibody tests that focus on 
different specificity. Not only are the 
outcomes of these tests not directly 
comparable to each other, but the 
specificity of these tests is not related to 
any notion of protection against 
reinfection. It can be reasonably said 
that a greater antibody response means 
a greater likelihood of protection against 
infection, but, again, the science is not 
clear what those thresholds are and 
whether a threshold would be 
comparable between laboratories. At 
this point in time, even if OSHA 
determined that some individuals with 
prior infections are not at grave danger 
from exposure to SARS–CoV–2, there is 
no agreement on what indicators of 
infection might be sufficient to confer 
this level of immunity or how a 
healthcare provider or employer could 
document that a certain level of 
immunity had been achieved. 
Based on the best available evidence 
described above, OSHA concludes that 
while some individuals who were 
infected with SARS–CoV–2 may have 
significant protection from subsequent 
infections, the level of protection 
afforded by infection may be 
significantly impacted by the severity of 
the infection and some previously 
infected individuals may have no future 
protection at all. In addition, given the 
limitations of the studies described 
above, there is considerable uncertainty 
as to whether any given individual is 
adequately protected against reinfection. 
Furthermore, the level of protection, if 
any, provided by a given person’s 
SARS–CoV–2 infection cannot be 
ascertained based on currently-available 
testing methods. Therefore, OSHA finds 
that the requirements of this ETS are 
necessary to protect unvaccinated 
individuals who had prior SARS–CoV– 
2 infections from the grave danger from 
exposure to SARS–CoV–2. 
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OSHA recognizes that its finding 
regarding infection-induced immunity 
is being made in an area of inquiry that 
is currently on the ‘‘frontiers of 
scientific knowledge’’ (Indus. Union 
Dep’t, AFL–CIO v. Am. Petroleum Inst., 
448 U.S. 607, 656 (1980)). For these 
reasons, OSHA finds that those who 
have previously been infected with 
SARS–CoV–2 and are not yet fully 
vaccinated are at grave danger from 
SARS–CoV–2 exposure and that it is 
necessary to protect these workers via 
vaccination, or testing and the use of 
face coverings, under this standard. 
OSHA will continue to follow 
developments on this issue, however, 
and make appropriate adjustments to 
this ETS if the evidence warrants. 
VI. Conclusion. 
OSHA finds that many employees in 
the U.S. who are not fully vaccinated 
against COVID–19 face a grave danger 
from exposure to SARS–CoV–2 in the 
workplace. OSHA’s determination is 
based on the severe health 
consequences of exposure to the virus, 
including death; powerful lines of 
evidence demonstrating the 
transmissibility of the virus in the 
workplace; and the prevalence of 
infections in employee populations. 
With respect to the grave health 
consequences of exposure to SARS– 
CoV–2, OSHA has found that regardless 
of where and how exposure occurs, 
COVID–19 can result in death. Even for 
those who survive a SARS–CoV–2 
infection, the virus can cause serious, 
long-lasting, and potentially permanent 
health effects. Serious cases of COVID– 
19 require hospitalization and dramatic 
medical interventions, and might leave 
employees with permanent and 
disabling health effects. Both death and 
serious cases of COVID–19 requiring 
hospitalization provide independent 
bases for OSHA’s finding of grave 
danger. The evidence is clear that the 
safe and effective vaccines authorized 
and/or approved for use in the United 
States greatly reduce the likelihood of 
these severe outcomes. 
The best available evidence on the 
science of transmission of the virus 
makes clear that SARS–CoV–2 is 
transmissible from person to person in 
shared workplace settings. The 
likelihood of transmission can be 
exacerbated by common characteristics 
of many workplaces, including working 
indoors, working with others for 
extended periods of time, poor 
ventilation, and close contact with 
potentially infectious individuals. The 
likelihood of transmission in the 
workplace is also exacerbated by the 
presence of unvaccinated workers, who 
are more likely than those who are 
vaccinated to be infected and transmit 
the virus to others. Every workplace 
SARS–CoV–2 exposure or transmission 
has the potential to cause severe illness 
or even death, particularly in 
unvaccinated workers. Taken together, 
the severe health consequences of 
COVID–19 and the evidence of its 
transmission in environments 
characteristic of the workplaces covered 
by this ETS demonstrate that exposure 
to SARS–CoV–2 represents a grave 
danger to unvaccinated employees in 
many workplaces throughout the 
country. 
The existence of a grave danger to 
employees from SARS–CoV–2 is further 
supported by the toll the pandemic has 
already taken on the nation as a whole 
and the number of workers who remain 
unvaccinated. Although OSHA cannot 
state with precision the total number of 
workers in our nation who have 
contracted COVID–19 at work and 
became sick or died, COVID–19 has 
killed 723,205 people in the United 
States as of October 18, 2021 (CDC, 
October 18, 2021—Cumulative US 
Deaths). That death toll includes 
131,478 people who were 18 to 64 years 
old, prime working age (CDC, October 
18, 2021—Demographic Trends, Deaths 
by Age Group). OSHA estimates that 
there are over 26 million workers 
subject to the rule who remain 
unvaccinated at present and therefore 
are in grave danger. As a result of this 
ETS, the agency estimates that 72% of 
them will be vaccinated (see OSHA, 
October 2021c). 
Current mortality data shows that 
unvaccinated people of working age 
have a 1 in 202 chance of dying when 
they contract COVID–19 (CDC, October 
18, 2021—Demographic Trends, Cases 
by Age Group; Demographic Trends, 
Deaths by Age Group). As of October 18, 
2021, close to 45 million people in the 
United States have been reported to 
have infections, and thousands of new 
cases were being identified daily (CDC, 
October 18, 2021—Daily Cases).One in 
14 reported cases of COVID–19 in 
people ages 18 to 64 becomes severe and 
requires hospitalization (CDC, October 
18, 2021—Demographic Trends, Cases 
by Age; Total Hospitalizations, by Age). 
Moreover, public health officials agree 
that these numbers fail to show the full 
extent of the deaths and illnesses from 
this disease, and racial and ethnic 
minority groups are disproportionately 
represented among COVID–19 cases, 
hospitalizations, and deaths (CDC, 
December 10, 2020; CDC, May 26, 2021; 
Escobar et al., February 9, 2021; Gross 
et al., October 2020; McLaren, June 
2020; CDC, October 6, 2021). Given this 
context, OSHA is confident in its 
finding that exposure to SARS–CoV–2 
poses a grave danger to the employees 
covered by this ETS. 
The above analysis fully satisfies the 
OSH Act’s requirements for finding a 
grave danger. Although OSHA usually 
performs a quantitative risk assessment 
based on extrapolations among exposure 
levels before promulgating a health 
standard under section 6(b)(5) of the 
OSH Act (29 U.S.C. 655(b)(5)), that type 
of analysis is not necessary in this 
situation. OSHA has most often invoked 
section 6(b)(5) authority to regulate 
exposures to chemical hazards 
involving much smaller populations, 
many fewer cases, extrapolations from 
animal evidence, long-term exposure, 
and delayed effects. In those situations, 
mathematical modelling is necessary to 
evaluate the extent of the risk at 
different exposure levels. The gravity of 
the danger presented by a disease with 
acute effects like COVID–19, on the 
other hand, is made obvious by a 
straightforward count of deaths and 
illnesses caused by the disease, which 
reach sums not seen in at least a 
century. The evidence compiled above 
amply supports OSHA’s finding that 
SARS–CoV–2 presents a grave danger in 
American workplaces. In the context of 
ordinary 6(b) rulemaking, the Supreme 
Court has said that the OSH Act is not 
a ‘‘mathematical straitjacket,’’ nor does 
it require the agency to support its 
findings ‘‘with anything approaching 
scientific certainty,’’ particularly when 
operating on the ‘‘frontiers of scientific 
knowledge’’ (Indus. Union Dep’t, AFL– 
CIO v. Am. Petroleum Inst., 448 U.S. 
607, 655–56 (1980)). This is true a 
fortiori in the current national crisis, 
where OSHA must act to ensure 
employees are adequately protected 
from the hazard presented by the 
COVID–19 pandemic (see 29 U.S.C 
655(c)(1)).The grave danger from SARS– 
CoV–2 represents the biggest threat to 
employees in OSHA’s more than 50-year 
history. The threat applies to employees 
in all sectors covered by OSHA, 
including general industry, 
construction, maritime, agriculture, and 
healthcare. Having made the 
determination of grave danger, as well 
as the determination that an ETS is 
necessary to protect employees from 
exposure to SARS–CoV–2 (see Need for 
the ETS, Section III.B. of this preamble), 
OSHA is required to issue this standard 
to protect employees from getting sick 
or dying from COVID–19 acquired at 
work (see 29 U.S.C. 655(c)(1)). 
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B. Need for the ETS 
This ETS is necessary to protect 
unvaccinated workers from the risk of 
contracting COVID–19, including its 
more contagious variants, such as the 
B.1.617.2 (Delta), at work. The rule 
protects workers through the most 
effective and efficient workplace control 
available: Vaccination. Additionally, 
this ETS is necessary to protect workers 
who remain unvaccinated through 
required regular testing, use of face 
coverings, and removal of infected 
employees from the workplace. 
I. Events Leading to the ETS 
This section describes the evolution 
of OSHA’s actions to protect employees 
from the grave danger posed by COVID– 
19 and the agency’s reasons for issuing 
this ETS at this time. 
a. OSHA’s 2020 Actions Regarding 
COVID–19 
Beginning in early 2020, OSHA began 
to monitor the growing cases of the 
SARS–CoV–2 virus that were occurring 
around the country. Because scientific 
information about the disease, its 
potential duration, and ways to mitigate 
it were undeveloped, OSHA decided to 
monitor the situation. As noted below, 
OSHA subsequently issued numerous 
guidance documents advising interested 
employers of steps they could take to 
mitigate the hazard arising from the 
virus. 
Also beginning in early 2020, OSHA 
received numerous petitions and 
supporting letters from members of 
Congress, unions, advocacy groups, and 
one group of large employers urging the 
agency to take immediate action by 
issuing an ETS to protect employees 
from exposure to the virus that causes 
COVID–19 (Scott and Adams, January 
30, 2020; NNU, March 4, 2020; AFL– 
CIO, March 6, 2020; Menendez et al., 
March 9, 2020; Wellington, March 12, 
2020; DeVito, March 12, 2020; Carome, 
March 13, 2020; SMART, March 30, 
2020; Blumenthal et al., April 8, 2020; 
Murray et al., April 29, 2020; Luong, 
April 30, 2020; Novoa, June 24, 2020; 
Solt, April 28, 2020; Castro et al., April 
29, 2020; Talbott and Adely, May 4, 
2020; Public Citizen, March 13, 2020; 
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16 This adoption includes the citations in the 
referenced section of the Healthcare ETS, which are 
also included in the docket for this ETS. 
LULAC, March 31, 2020; Meuser, May 
1, 2020; Raskin, April 29, 2020; 
Cartwright et al., May 7, 2020; Frosh et 
al., May 12, 2020; Pellerin, March 19, 
2020; Yborra, March 19, 2020; Owen, 
March 19, 2020; Brown et al., April 30, 
2020; Price et al., May 1, 2020; 
ORCHSE, October 9, 2020). These 
petitions and supporting letters argued 
that many employees had been infected 
because of workplace exposures to the 
virus that causes COVID–19, and that 
immediate, legally enforceable action is 
necessary for protection. OSHA quickly 
began issuing detailed guidance 
documents and alerts beginning in 
March 2020 that helped employers to 
determine employee risk levels of 
COVID–19 exposure and made 
recommendations for appropriate 
controls. As explained in detail in 
Section IV. of the Healthcare ETS, 86 FR 
32376, 32412–13 (June 21, 2021) and 
hereby included in the record for this 
ETS,16 at the time, OSHA leadership 
believed that implementing a 
combination of enforcement tools, 
including guidance, existing OSHA 
standards, and the General Duty Clause, 
would provide the necessary protection 
for workers. OSHA also expressed 
concern that an ETS might 
unintentionally enshrine requirements 
that are subsequently proven ineffective 
in reducing transmission. 
When it decided not to issue an ETS 
in the spring of 2020, OSHA determined 
that the agency could provide sufficient 
employee protection against COVID–19 
through enforcing existing workplace 
standards and the General Duty Clause 
of the OSH Act, coupled with issuing 
industry-specific, non-mandatory 
guidance. However, in doing so OSHA 
indicated that its conclusion that an 
ETS was not necessary was specific to 
that time, and that the agency would 
continue to monitor the situation and 
take additional steps as appropriate (see, 
e.g., OSHA, March 18, 2020 Letter to 
Congressman Scott (stating ‘‘[W]e 
currently see no additional benefit from 
an ETS in the current circumstances 
relating to COVID–19. OSHA is 
continuing to monitor this quickly 
evolving situation and will take the 
appropriate steps to protect workers 
from COVID–19 in coordination with 
the overall U.S. government response 
effort.’’ (emphasis supplied); DOL May 
29, 2020 at 20 (stating ‘‘OSHA has 
determined this steep threshold [of 
necessity] is not met here, at least not 
at this time.’’ (emphasis supplied))). 
In addition to the various petitions for 
rulemaking that were submitted to 
OSHA, the AFL–CIO filed a petition for 
a writ of mandamus with the U.S. Court 
of Appeals for the D.C. Circuit, 
requesting that the court compel OSHA 
to issue an ETS. (AFL–CIO, May 18, 
2020). In its administrative decision and 
filing in that case, OSHA explained that 
the determination not to issue an ETS 
was based on the conditions and 
information available to the agency at 
that time and was subject to change as 
additional information indicated the 
need for an ETS. On June 11, 2020, the 
U.S. Court of Appeals for the D.C. 
Circuit issued a one paragraph per 
curiam order denying the AFL–CIO’s 
petition to require OSHA to issue an 
ETS. To be clear, nothing in OSHA’s 
prior position or the D.C. Circuit’s 
decision in In re Am. Fed’n of Labor & 
Cong. of Indus. Orgs., No. 20–1158, 
2020 WL 3125324 (D.C. Cir. June 11, 
2020); rehearing en banc denied (July 
28, 2020) precludes OSHA’s decision to 
promulgate an ETS now. To the 
contrary, at an early phase of the 
pandemic, when vaccines were not yet 
available and when it was not yet 
known how extensive the impact would 
be on illness and death, the court 
decided not to second-guess OSHA’s 
decision to hold off on regulation in 
order to see if its nonregulatory 
enforcement tools could be used to 
provide adequate protection against the 
virus. ‘‘OSHA’s decision not to issue an 
ETS is entitled to considerable 
deference,’’ the court explained, noting 
‘‘the unprecedented nature of the 
COVID–19 pandemic’’ and concluding 
merely that ‘‘OSHA reasonably 
determined that an ETS is not necessary 
at this time.’’ (Id., with emphasis 
added). 
Employers do not have a reliance 
interest in OSHA’s prior decision not to 
issue an ETS on May 29, 2020, which 
did not alter the status quo or require 
employers to change their behavior. See 
Dep’t of Homeland Security v. Regents 
of the Univ. of California, 140 S. Ct. 
1891, 1913–14 (2020). As OSHA 
indicated when it made the decision, 
the determination was based on the 
conditions and information available to 
the agency at that time and was subject 
to change as additional information 
indicated the need for an ETS. In light 
of the agency’s express qualifications 
and the surrounding context, any 
employer reliance would have been 
unjustified and cannot outweigh the 
countervailing urgent need to protect 
workers covered by this ETS from the 
grave danger posed by COVID–19. 
b. OSHA’s Decision To Promulgate a 
Healthcare ETS 
OSHA subsequently issued the 
Healthcare ETS to protect healthcare 
workers. 86 FR 32376. (June 21, 2021), 
codified at 29 CFR 1910.502. Looking 
back on a year of experience, OSHA 
found that its enforcement efforts had 
encountered significant obstacles, 
demonstrating that existing standards, 
regulations, and the General Duty 
Clause were inadequate to address the 
grave danger faced by healthcare 
employees. 86 FR 32415. In 
promulgating that ETS, OSHA 
recognized that ‘‘the impact of [COVID– 
19] has been borne disproportionately 
by the healthcare and healthcare 
support workers tasked with caring for 
those infected by this disease.’’ 86 FR 
32377. Furthermore, states and localities 
had taken increasingly divergent 
approaches to workplace protections 
against COVID–19, making it clear that 
a federal standard was needed to ensure 
sufficient protection in all states. 86 FR 
32377. Therefore, OSHA focused on the 
unique situation experienced by 
healthcare industry workers as the 
frontline caregivers and support workers 
for those suffering from COVID–19. See 
86 FR 32376, 32411–12. 
The Healthcare ETS requires 
employers to institute a suite of 
engineering controls, administrative 
controls, work practices, and personal 
protective equipment to combat the 
COVID–19 hazard. In the Preamble to 
the Healthcare ETS, OSHA observed 
that the development of safe and highly 
effective vaccines is a critical milestone 
in the nation’s response to COVID–19, 
and that fully vaccinated persons have 
a greatly reduced risk of death, 
hospitalization and other health 
consequences. 86 FR 32396. The 
Healthcare ETS therefore includes 
provisions intended to encourage 
employees to become vaccinated, 
including a requirement for employers 
to provide reasonable paid leave for 
vaccination and recovery from any side 
effects. 86 FR 32415, 29 CFR 
1910.502(m). 
In the Healthcare ETS OSHA found 
that employees who work in covered 
healthcare workplaces are exposed to 
grave danger. 86 FR 32411. The agency 
also stated that in light of the 
effectiveness of vaccines, there was 
‘‘insufficient evidence in the record to 
support a grave danger finding for non- 
healthcare workplaces where all 
employees are vaccinated.’’ 86 FR 32396 
(emphasis supplied). OSHA made no 
finding at that time regarding 
unvaccinated workers in non-healthcare 
workplaces. 
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No employer challenged the 
Healthcare ETS in court. The United 
Food and Commercial Workers Union 
(UFCW) together with the AFL–CIO 
filed a petition for review asserting that 
the rule should have gone further and 
included more industries in its scope 
(UFCW and AFL–CIO, June 24, 2021). 
That case is being held in abeyance 
pending the issuance of this ETS. 
c. Subsequent Developments 
The preamble to the Healthcare ETS 
notes that new COVID–19 variants 
might emerge that are more 
transmissible and cause more severe 
illness, but does not specifically 
mention the Delta Variant. See 86 FR 
32384. Since publication of the 
Healthcare ETS, the Delta Variant has 
become the dominant form of the virus 
in the United States, causing large 
spikes in transmission, and surges of 
hospitalizations, and deaths, 
overwhelmingly among the 
unvaccinated (CDC, August 26, 2021; 
CDC, October 18, 2021—Variant 
Proportions, July Through October, 
2021). As discussed in more detail in 
Grave Danger (Section III.A. of this 
preamble), the Delta Variant is at least 
twice as contagious as previous COVID– 
19 variants, and research suggests that it 
also causes more severe illness in the 
unvaccinated population (CDC, August 
26, 2021). More infections mean more 
potential for exposures, including in 
workplaces (see Grave Danger, Section 
III.A. of this preamble, for further 
discussion on workplace outbreaks, 
clusters, and the general impact of 
transmission in the workplace.). More 
infections also mean more opportunities 
for the virus to undergo mutations to its 
genetic code, resulting in genetic 
variants with the potential to infect or 
re-infect people. 
Some variability in infection rates in 
a pandemic is to be expected. While the 
curves of new infections and deaths can 
bend down after peaks, they often 
reverse course only to reach additional 
peaks in the future (Moore et al., April 
30, 2020). Last year experts expressed 
concern that one or more subsequent 
waves of COVID–19 were possible in 
2021 (Moore et al., April 30, 2020), 
especially with new variants of COVID– 
19 in circulation (Doughton, February 9, 
2021). That potential tragically became 
a reality with the spread of the Delta 
Variant. 
In June 2021, when the Healthcare 
ETS was published, COVID–19 
transmission rates in the United States 
were at a low point, with the 7-day 
moving average of reported cases to be 
about 12,000. (CDC, August 26, 2021) 
However, by the end of July, the 7-day 
moving average reached over 60,000 as 
the Delta Variant spread across the 
country. (CDC, August 26, 2021). The 7- 
day moving average of reported cases at 
the beginning of September, 2021 
exceeded 161,000 (CDC, October 18, 
2021—Daily Cases). The most recent 7- 
day moving average of reported cases, 
while lower than the peak in late 
August and early September, is still over 
85,000. (CDC, October 18, 2021—Daily 
Cases). These rates are also far higher 
than the rate when OSHA first declined 
to issue an ETS. (CDC, August 27, 2020 
(20,401 confirmed cases per day on May 
29, 2020)). The jump in infections has 
resulted in increased hospitalizations 
and deaths for unvaccinated workers, as 
discussed in detail in Grave Danger 
(Section III.A. of this preamble). While 
the most current data reflect a decline 
in new cases from the peak, the level of 
new cases remains high. CDC data 
shows that, as of October 18, 2021, 
approximately 85% of U.S. counties 
were experiencing ‘‘high’’ rates of 
community transmission, and another 
10% were experiencing ‘‘substantial’’ 
community transmission (CDC, October 
18, 2021—Daily Cases). Although the 
number of new detected cases is 
currently declining nationwide (see 
CDC, October 18, 2021—Community 
Transmission Rates), the agency cannot 
assume based on past experience that 
nationwide case levels will not increase 
again. Indeed, many northern states are 
currently experiencing increases in their 
rate of new cases (see CDC, October 18, 
2021—Cases, Deaths, and Laboratory 
Testing (NAATS) by State; Slotnik, 
October 18, 2021), including Vermont, 
which set a new record for new COVID– 
19 cases in mid-October 2021 (Murray, 
October 18, 2021). Unless vaccination 
rates increase, the experience of 
northern states during this fall could 
presage a greater resurgence in cases 
this winter as colder weather drives 
more individuals indoors (see Firozi 
and Dupree, October 18, 2021). 
While it is important to recognize that 
the Delta Variant has caused a spike in 
hospitalization and death in the United 
States, the SARS–CoV–2 virus, and not 
just a particular variant of that virus, is 
the hazard that workers face (see Grave 
Danger, Section III.A. of this preamble). 
Like any virus, SARS–CoV–2 has the 
ability to mutate over time and produce 
variants that may be more or less severe. 
Indeed, the World Health Organization 
and the CDC both track new variants 
that have continued to arise, such as the 
Lamda and Mu Variants (WHO, October 
12, 2021; CDC, October 4, 2021). At this 
time, the CDC is tracking 11 different 
variants of COVID–19 (CDC, October 4, 
2021). The World Health Organization 
has classified the Lambda and Mu 
variants as ‘‘variants of interest,’’ 
meaning that they have genetic changes 
that affect transmissibility, disease 
severity, immune escape, diagnostic or 
therapeutic escape; and have been 
identified to cause significant 
community transmission or multiple 
COVID–19 clusters, in multiple 
countries with increasing relative 
prevalence alongside increasing number 
of cases over time, or other apparent 
epidemiological impacts to suggest an 
emerging risk to global public health 
(WHO, October 12, 2021). Medical 
experts have also explained that 
vaccination reduces the opportunities 
for the virus to continue to mutate by 
reducing transmission and length of 
infection. And, there is no indication 
that future variants of COVID–19 will 
not be equally or even more dangerous 
than Delta without a higher rate of 
vaccination (Bollinger and Ray, July 23, 
2021). 
Meanwhile, evidence on the power of 
vaccines to safely protect individuals 
from infection and especially from 
serious disease has continued to 
accumulate. (CDC, May 21, 2021). For 
example, as explained in more detail in 
Grave Danger (Section III.A. of this 
preamble), multiple studies have 
demonstrated that vaccines are highly 
effective at reducing instances of 
hospitalization and death. In September 
the CDC compiled data from various 
studies that demonstrated overall 
authorized vaccines reduced death and 
severe case rates by 91 and 92% 
respectively in the population studied 
between April and July (Scobie et al., 
September 17, 2021, Table 1.). 
Additionally, the FDA granted approval 
to the Pfizer-BioNTech COVID–19 
Vaccine for individuals 16 years of age 
and older on August 23, 2021 (FDA, 
August 23, 2021). In announcing the 
decision, the FDA Commissioner 
explained that ‘‘[w]hile this and other 
vaccines have met the FDA’s rigorous, 
scientific standards for emergency use 
authorization, as the first FDA-approved 
COVID–19 vaccine, the public can be 
very confident that this vaccine meets 
the high standards for safety, 
effectiveness, and manufacturing quality 
the FDA requires of an approved 
product.’’ (FDA, August 23, 2021.) 
Despite this important milestone, and 
the demonstrated effectiveness of the 
approved and authorized vaccines 
available to the public, millions of 
employees remain unvaccinated, 
approximately 39% of workers who are 
covered by this ETS (See Economic 
Analysis, Section IV.B. of this ETS). The 
rate of vaccination in the United States 
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has slowed significantly from its peak in 
April, when the daily number of 
vaccination doses administered 
exceeded three million at one point. In 
recent months, daily vaccination rates 
have hovered around one million doses 
administered, or lower (CDC, October 
18, 2021—Daily Vaccination Rate). The 
shortfall in vaccination leaves the 
nation’s working population vulnerable 
to sickness, hospitalization and death, 
whether today under the Delta Variant, 
or under future variants that may arise 
(CDC, October 18, 2021—Daily 
Vaccination Rate); see also Grave Danger 
(Section III.A. of this preamble). 
Moreover, in recent months, an 
increasing number of states have 
promulgated Executive Orders or 
statutes that prohibit workplace 
vaccination policies that require 
vaccination or proof of vaccination 
status, thus attempting to prevent 
employers from implementing the most 
efficient and effective method for 
protecting workers from the hazard of 
COVID–19 (see, e.g., Texas Executive 
Order GA–40, October 11, 2021; 
Montana H.B. 702, July 1, 2021; 
Arkansas S.B. 739, October 4, 2021 and 
Arkansas H.B. 1977, October 1, 2021; 
AZ Executive Order 2021–18, August 
16, 2021). While some States’ bans have 
focused on preventing local 
governments from requiring their public 
employees to be vaccinated or show 
proof of vaccination, the Texas, 
Montana, and Arkansas requirements 
apply to private employers as well. 
Other states have banned local 
ordinances that require employers to 
ensure that customers who enter their 
premises wear masks, thus endangering 
the employees who work there, 
particularly those who are unvaccinated 
(see, e.g., Florida Executive Order 21– 
102, May 3, 2021; Texas Executive 
Order GA–34, March 2, 2021). 
In short, at the present time, workers 
are becoming sick and dying 
unnecessarily as a result of occupational 
exposures, when there is a simple and 
effective measure, vaccination, that can 
largely prevent those deaths and 
illnesses (see Grave Danger, Section 
III.A. of this preamble). Congress 
charged OSHA with responsibility for 
issuing emergency standards when they 
are necessary to protect employees from 
grave danger. 29 U.S.C. 655(c). In light 
of the current situation, OSHA is issuing 
this emergency rule. 
References 
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Outbreak of COVID–19: A Petition for an 
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March 6, 2020) 
American Federation of Labor and Congress 
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(2020, May 18). ‘‘Emergency Petition For 
A Writ Of Mandamus, and Request For 
Expedited Briefing And Disposition, No. 
19–1158.’’ (AFL–CIO, May 18, 2020) 
An Act Prohibiting Discrimination Based on 
a Person’s Vaccination Status or 
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Montana H.B. 702. (2021, July 1). https:// 
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default/files/eo_2021-18.pdf. (AZ 
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Arkansas S.B. 739. (2021, October 4). An Act 
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Blumenthal R, Murray P, Duckworth T, Casey 
RP, Baldwin B, Brown S, Menendez R. 
(2020, April 8). ‘‘COVID–19 ETS 
Petition.’’ (Blumenthal et al., April 8, 
2020) 
Bollinger R and Ray R. (2021, July 23). New 
Variants of the Coronavirus: What You 
Should Know. Johns Hopkins Medicine. 
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health/conditions-and-diseases/ 
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what-you-should-know. (Bollinger and 
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Brown S, Murray P, Baldwin T, Bennet MF, 
Casey Jr. RP, Whitehouse S, Hirono MK, 
Blumenthal R, Van Hollen C, Masto CC, 
Sanders B, Reed J, Harris KD, Wyden R, 
Durbin RJ, Booker CA, Warren E, Leahy 
PJ. (2020, April 30). ‘‘COVID–19 ETS 
Petition.’’ (Brown et al., April 30, 2020) 
Carome M. (2020, March 13). ‘‘Letter 
requesting an immediate OSHA 
emergency temporary standard for 
infectious disease.’’ (Carome, March 13, 
2020) 
Cartwright M, Kaptur M, Roybal-Allard L, 
Foster B. (2020, May 7). ‘‘COVID–19 ETS 
Petition.’’ (Cartwright et al., May 7, 2020) 
Castro J, Espaillat A, Ca´rdenas T, Ocasio- 
Cortez A, Sablan GKC, Garcia J, Gallego 
R, Escobar V, Vargas J, Trahan L, Torres 
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Velazquez NM, Garcia SR, Grijalva R. 
(2020, April 29). ‘‘COVID–19 ETS 
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Centers for Disease Control and Prevention 
(CDC). (2020, August 27). Previous U.S. 
Covid-19 Case Data. https://
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data-tracker/. (CDC, October 18, 2021) 
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March 12, 2020) 
Doughton S. (2021, February 9). Can a fourth 
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likely, says Fred Hutch model—but the 
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seattle-news/health/can-a-fourth-wave- 
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approves-first-covid-19-vaccine. (FDA, 
August 23, 2021) 
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Racine KA, Raoul K., Frey AM, Healey 
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17 As explained in the Grave Danger section, this 
ETS focuses on protecting unvaccinated workers 
from the grave danger that COVID–19 poses in the 
workplace. OSHA did not include fully vaccinated 
workers in its finding of grave danger because such 
workers are generally much better protected from 
the effects of COVID–19, and, in particular, the 
most severe effects, than workers who are 
unvaccinated. OSHA’s action in adopting this ETS 
for unvaccinated workers does not mean that 
vaccinated workers do not face a significant risk 
from COVID–19, or that the OSH Act’s general duty 
clause poses no obligation on employers to protect 
their vaccinated workers from COVID–19. Indeed, 
symptomatic infections can occur in fully 
vaccinated people, and COVID–19 therefore poses 
at least some risk to vaccinated workers. OSHA has 
requested comment on the risks faced by vaccinated 
workers from COVID–19, and what additional 
measures, if any, should be taken to protect both 
vaccinated and unvaccinated workers (see Request 
for Comments, Section I.B. of this preamble). 
‘‘COVID–19 ETS Petition.’’ (Frosh et al., 
May 12, 2020) 
League of United Latin American Citizens 
(LULAC). (2020, March 31). ‘‘COVID–19 
ETS Petition.’’ (LULAC, March 31, 2020) 
Luong M. (2020, April 30). ‘‘Petition for an 
OSHA Emergency Temporary Standard 
for Airborne Infectious Diseases.’’ 
(Luong, April 30, 2020) 
Menendez R, Murray P, Baldwin T, Brown S, 
Duckworth T, Booker CA, Warren E. 
(2020). ‘‘Urge DOL to Direct OSHA to 
Issue Comprehensive Emergency 
Temporary Standard (ETS) To Protect 
Workers Against COVID–19.’’ (Menendez 
et al., March 9, 2020) 
Meuser D. (2020, May 1). ‘‘COVID–19 ETS 
Petition.’’ (Meuser, May 1, 2020) 
Moore KA et al. (2020, April 30). COVID–19: 
The CIDRAP Viewpoint. Part 1: The 
Future of the COVID–19 Pandemic: 
Lessons Learned from Pandemic 
Influenza. University of Minnesota 
Center for Infectious Disease Research 
and Policy. https://
www.cidrap.umn.edu/sites/default/files/ 
public/downloads/cidrap-covid19- 
viewpoint-part1_0.pdf. (Moore et al., 
April 30, 2020) 
Murray E. (2021, October 18). Vermont sets 
new positive COVID daily case record as 
delta surge continues. Burlington Free 
Press. https://
www.burlingtonfreepress.com/story/ 
news/local/2021/10/18/covid-vermont- 
new-daily-positive-case-record-set/ 
8505021002/. (Murray, October 18, 2021) 
Murray P, Brown S, Heinrich M, Brown S, 
Blumenthal R., Markey EJ, Van Hollen C, 
Durbin RJ, Smith T, Whitehouse S, 
Wyden R, King Jr. AS, Kaine T, Reed J, 
Menedez R, Gillibrand K, Duckworth T, 
Warren E, Hassan MW, Casey Jr. RP, 
Sanders B, Udall T, Hirono MK, Harris 
KD, Feinstein D, Klobuchar A, Booker 
CA, Shaheen J, Cardin B. (2020, April 
29). ‘‘COVID–19 ETS Petition.’’ (Murray 
et al., April 29, 2020) 
National Nurses United (NNU). (2020, March 
4). ‘‘National Nurses United Petitions 
OSHA for an Emergency Temporary 
Standard on Emerging Infectious 
Diseases in Response to COVID–19.’’ 
(NNU, March 4, 2020) 
Novoa M. (2020, June 24). ‘‘Direct OSHA to 
issue an emergency temporary standard 
to protect all workers from COVID–19 
now!’’ (Novoa, June 24, 2020) 
Occupational Safety and Health 
Administration (OSHA). Letter from 
Loren Sweatt to Congressman Robert C. 
‘‘Bobby’’ Scott. (OSHA, March 18, 2020) 
ORCHSE Strategies. (2020, October 9). 
‘‘Petition to the U.S. Department of 
Labor—Occupational Safety and Health 
Administration (OSHA) for an 
Emergency Temporary Standard (ETS) 
for Infectious Disease.’’ (ORCHSE, 
October 9, 2020) 
Owen M. (2020, March 19). ‘‘Grant OSHA 
emergency standard to protect frontline 
workers from COVID–19.’’ (Owen, March 
19, 2020) 
Pellerin C. (2020, March 19). ‘‘Grant OSHA 
emergency standard to protect frontline 
workers from COVID–19.’’ (Pellerin, 
March 19, 2020) 
Price D, Pocan M, Schakowsky J, DeLauro 
RL. (2020, May 1). ‘‘COVID–19 ETS 
Petition.’’ (Price et al., May 1, 2020) 
Public Citizen. (2020, March 13). ‘‘Support 
for AFL–CIO’s Petition for an OSHA 
Emergency Temporary Standard for 
Infectious Disease to Address the 
Epidemic of Novel Coronavirus Disease.’’ 
(Public Citizen, March 13, 2020) 
Raskin J. (2020, April 29). ‘‘COVID–19 ETS 
Petition.’’ (Raskin, April 29, 2020) 
Scobie HM et al. (2021, September 17). 
Monitoring Incidence of COVID–19 
Cases, Hospitalizations, and Deaths, by 
Vaccination Status—13 U.S. 
Jurisdictions, April 4–July 17, 2021. 
MMWR Morb Mortal Wkly Rep 2021; 70: 
early release. https://www.cdc.gov/ 
mmwr/volumes/70/wr/mm7037e1.htm. 
(Scobie et al., September 17, 2021) 
Scott RC and Adams AS. (2020, January 30). 
‘‘Prioritize OSHA’s Work on Infectious 
Diseases Standard/Immediate Issue of 
Temporary Standard.’’ (Scott and 
Adams, January 30, 2020) 
Slotnik D. (2021, October 18). Coronavirus 
cases rise in the northern U.S. amid 
lower temperatures. The New York 
Times. https://www.nytimes.com/live/ 
2021/10/18/world/covid-delta-variant- 
vaccine#covid-cases-us-winter. (Slotnik, 
October 18, 2021) 
International Association of Sheet Metal, Air, 
Rail and Transportation Workers 
(SMART). (2020, March 30). ‘‘Petition for 
Emergency Standards.’’ (SMART, March 
30, 2020) 
Solt BE. (2020, April 28). ‘‘COVID–19 ETS 
Petition’’ (Solt, April 28, 2020) 
Talbott R and Adely R. (2020, May 4). 
‘‘Rulemaking Petition to the United 
States Department of Labor Occupational 
Safety and Health Administration.’’ 
(Talbott and Adely, May 4, 2020) 
Texas Executive Order GA–34. (2021, March 
2). https://open.texas.gov/uploads/files/ 
organization/opentexas/EO-GA-34- 
opening-Texas-response-to-COVID- 
disaster-IMAGE-03-02-2021.pdf. (Texas 
Executive Order GA–34, March 2, 2021) 
Texas Executive Order GA–40. (2021, 
October 11). https://gov.texas.gov/ 
uploads/files/press/EO-GA-40_
prohibiting_vaccine_mandates_
legislative_action_IMAGE_10-11- 
2021.pdf. (Texas Executive Order GA– 
40, October 11, 2021) 
United Food and Commercial Workers 
International Union (UFCW) and 
American Federation of Labor and 
Congress of Industrial Organizations 
(AFL–CIO). (2021, June 24). ‘‘Petition for 
Review, filed with the D.C. Circuit on 
June 24, 2021.’’ (UFCW and AFL–CIO, 
June 24, 2021) 
Wellington M. (2020, March 12). ‘‘Grant 
OSHA emergency standard for COVID– 
19 to protect front-line workers’’ 
(Wellington, March 12, 2020) 
World Health Organization (WHO). (2021, 
October 12). Tracking SARS–CoV–2 
variants. https://www.who.int/en/ 
activities/tracking-SARS-CoV-2-variants/ 
. (WHO, October 12, 2021) 
Yborra G. (2020, March 19). ‘‘Grant OSHA 
emergency standard to protect frontline 
workers from COVID–19.’’ (Yborra, 
March 19, 2020) 
II. This ETS Is Necessary To Protect 
Unvaccinated Employees From Grave 
Danger 
As explained at length in the 
preceding section (Grave Danger, 
Section III.A. of this preamble), OSHA 
has determined that most unvaccinated 
workers across the U.S. economy are 
facing a grave danger posed by the 
COVID–19 hazard.17 This new hazard 
has taken the lives of more than 725,000 
people—many of them workers—in the 
United States since it was first detected 
in this country in early 2020. As the 
federal agency tasked with protecting 
the safety and health of workers in the 
United States, OSHA is required to act 
when it finds that workers are exposed 
to a grave danger. 29 U.S.C. 655(c)(1). 
OSHA now finds that this emergency 
temporary standard is necessary to 
protect employees who are 
unvaccinated. Asbestos Info. Ass’n, 727 
F.2d at 423 (‘‘failure to act does not 
conclusively establish that a situation is 
not an emergency . . . [when there is a 
grave danger to workers,] to hold that 
because OSHA did not act previously it 
cannot do so now only compounds the 
consequences of the Agency’s failure to 
act.’’). As explained in detail below, 
OSHA has determined that vaccination 
is the most effective control for abating 
the grave danger that unvaccinated 
employees face from the COVID–19 
hazard. And, for workers who are not 
vaccinated, the use of testing, face 
coverings, and removal from the 
workplace, while not as effective as 
vaccination, is still effective and 
necessary. 
OSHA has determined that the best 
method for addressing the grave danger 
that COVID–19 poses to unvaccinated 
workers is to strongly encourage the use 
of the single most effective and efficient 
protection available: Vaccination. OSHA 
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has long recognized the importance of 
vaccinating workers against preventable 
illnesses to which they may be exposed 
on the job. See 56 FR 64004, 64152 (Dec. 
6, 1991) (discussing requirement in 
Bloodborne Pathogens standard for 
employer to make hepatitis B vaccine 
available to any employees with 
occupational exposure to blood and 
other potentially infectious materials). 
As explained in Grave Danger (Section 
III.A. of this preamble), COVID–19 
vaccines do not completely eliminate 
the potential for infection, but 
significantly reduce the likelihood of 
infection, and in turn, transmission of 
the virus to others. Data from clinical 
trials for all three vaccines and 
observational studies for the two mRNA 
vaccines clearly establish that fully 
vaccinated persons have a greatly 
reduced risk of SARS–CoV–2 infection 
compared to unvaccinated individuals 
(see FDA, December 11, 2020; FDA, 
December 18, 2020; FDA, February 26, 
2021). 
More importantly, vaccination is the 
single most effective method for 
protecting workers from the most 
serious consequences of a COVID–19 
infection: Hospitalization and death. 
Although symptomatic infections can 
occur in fully vaccinated people, they 
are less likely to occur, and are far less 
likely to result in severe health 
outcomes or death. As discussed in 
Grave Danger (Section III.A. of this 
preamble), studies have established that 
the available COVID–19 vaccines are 
highly effective at preventing 
hospitalization, and even more effective 
at preventing death. For example, one 
study found that unvaccinated adults 
age 18 to 49 were 15.2 times more likely 
to be hospitalized and 17.2 times more 
likely to die of COVID–19 than fully 
vaccinated people in the same age 
range, and unvaccinated adults age 50 to 
64 were 10.9 times more likely to be 
hospitalized and 17.9 times more likely 
to die than their fully vaccinated peers 
(Scobie et al., September 17, 2021). The 
New York Times reported on October 1, 
2021, that of the approximately 100,000 
individuals who died of COVID–19 
since mid-June 2021, less than 3% had 
been identified by the CDC as 
vaccinated individuals (Boseman and 
Leatherby, October 1, 2021). 
Vaccines are also uniquely effective 
when compared to non-pharmaceutical 
methods for controlling exposure to 
COVID–19 at the workplace. To be sure, 
non-pharmaceutical controls play an 
important role in employers’ efforts to 
prevent exposure to the virus; as 
discussed in detail earlier, OSHA has, 
throughout the pandemic, advised 
employers to implement various 
administrative, engineering, and other 
controls to reduce workplace exposure 
to the virus. And, for certain work 
settings in the healthcare industry 
where people with COVID–19 are 
reasonably expected to be present, 
OSHA both encouraged vaccination and 
mandated a suite of protections, many 
of which involve physical controls (see 
29 CFR 1910.502). Indeed, workers who 
work indoors and near others are best 
protected from COVID–19 when they 
are fully vaccinated and their exposure 
to COVID–19 is reduced (to the extent 
possible) by non-pharmaceutical 
controls. 
Non-pharmaceutical controls, 
however, focus on preventing employee 
exposure to the virus, and do not 
directly affect an employee’s immune 
response if exposure to the virus does 
occur. Additionally, non- 
pharmaceutical controls often rely on 
the actions of individuals and/or the 
integrity of equipment to be effective; 
for example, to use PPE to control 
exposure, a worker must correctly don 
appropriate PPE each time there is 
potential exposure, must properly clean, 
store, and maintain the PPE between 
uses, and must replace the PPE when it 
is no longer effective (see, e.g., 29 CFR 
1910.132 (general PPE requirements in 
general industry workplaces)). 
Accordingly, OSHA standards have 
always followed the principle of the 
hierarchy of controls, under which 
employers must control hazards by 
means other than PPE whenever 
feasible, and PPE is a supplementary 
control. See e.g., 29 CFR 1910.134(a); 29 
CFR 1910.1030(d)(2). 
Physical distancing requires workers 
to maintain constant awareness of their 
environment in order to avoid coming 
into close proximity with colleagues, 
customers, or other individuals, even 
though the realities of their jobs and/or 
the design of the workplace may be 
unaccommodating to that effort. 
Requiring employees to examine 
themselves for signs and symptoms 
consistent with SARS–CoV–2 infection 
before reporting to work is prone to 
human error and entirely ineffective 
when the employee is infected but 
asymptomatic or pre-symptomatic. 
In contrast, a worker is considered 
fully vaccinated after completing 
primary vaccination with a COVID–19 
vaccine, or the second dose of any 
combination of two doses of a COVID– 
19 vaccine that is approved, authorized, 
or listed as a two-dose primary 
vaccination by the FDA or WHO (see the 
Summary and Explanation for 
paragraph (c), Section VI.C. of this 
preamble). Once fully vaccinated, a 
worker enjoys automatic and long- 
lasting benefits; namely, a drastic 
reduction in the risk of severe health 
effects or death. The vaccine works by 
bolstering the worker’s immune system 
and does not depend on the worker’s 
acumen or actions to afford its 
protection. Moreover, where an 
employer implements one or more non- 
pharmaceutical controls at the 
workplace, vaccination provides 
workers with a backstop of protection 
that greatly reduces their risk of serious 
health effects if they are exposed to the 
virus despite the presence of other 
controls. Vaccination thus ensures that 
workers need not rely on other factors, 
be it the workplace environment, the 
effectiveness of equipment, or the 
actions of other individuals, to be 
substantially protected from the worst 
potential outcomes of a COVID–19 
infection. 
This ETS focuses on encouraging 
vaccination because it is the most 
efficient and effective method for 
addressing the grave danger. 
Vaccination is patently appropriate and 
feasible for almost every worker in all 
industries, and will drastically reduce 
the risk that unvaccinated workers will 
suffer the serious health outcomes 
associated with SARS–CoV–2 infection. 
As described in Section III.A. of this 
preamble (Grave Danger), employees 
who are unvaccinated are in grave 
danger from the SARS–CoV–2 virus, but 
employees who are fully vaccinated are 
not. Since it is the lack of vaccination 
that results in grave danger, vaccination 
will best allay the grave danger. This 
ETS, which is designed to strongly 
encourage vaccination, is thus 
‘‘necessary to protect employees’’ from 
a grave danger. 29 U.S.C. 655(c). 
OSHA continues to encourage 
employers to implement additional 
controls that may be appropriate to 
eliminate exposure to the SARS–CoV–2 
virus at their workplace, but, as 
discussed further below, OSHA has not 
required employers to implement a 
comprehensive and multilayered set of 
COVID–19 exposure controls in this 
ETS. This decision reflects the 
extraordinary and exigent circumstances 
have required OSHA to immediately 
promulgate this emergency temporary 
standard. Although OSHA was able to 
design a comprehensive infection 
prevention program for the specific 
healthcare settings to which the June 
2021 Healthcare ETS applied, this rule 
encompasses all industries covered by 
the OSH Act, and targets unvaccinated 
workers in any indoor work setting not 
covered by the Healthcare ETS where 
more than one person is present. 
Crafting a multi-layered standard that is 
comprehensive and feasible for all 
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covered work settings, including mixed 
settings of vaccinated and unvaccinated 
workers, is an extraordinarily 
challenging and complicated 
undertaking, yet the grave danger that 
COVID–19 poses to unvaccinated 
workers obliges the agency to act as 
quickly possible. As discussed above, 
OSHA has identified vaccination as the 
single most efficient and effective means 
for removing an unvaccinated worker 
from the grave danger. 
Given the urgency of the rulemaking, 
and the singular effectiveness of 
vaccination in removing unvaccinated 
workers from the grave danger, OSHA is 
promulgating this ETS to immediately 
address the grave danger that COVID–19 
poses to unvaccinated workers by 
strongly encouraging vaccination. As 
discussed in Pertinent Legal Authority 
(Section II. of this preamble), a ‘‘grave 
danger’’ represents a risk greater than 
the ‘‘significant risk’’ that OSHA must 
show in order to promulgate a 
permanent standard under section 6(b) 
of the OSH Act, 29 U.S.C. 655(b). OSHA 
will consider whether it is necessary to 
require additional controls to avert a 
significant risk of harm in the 
rulemaking proceedings that follow this 
ETS. OSHA directs employers to its 
website, www.osha.gov/coronavirus, 
and the CDC’s website, www.cdc.gov/ 
coronavirus, for guidance on the 
engineering, administrative, and other 
exposure controls that may be effective 
and appropriate for their workplace. 
OSHA expects that, by strongly 
encouraging vaccination, this ETS will 
have a positive impact on worker 
health. As discussed above, millions of 
workers remain unvaccinated and are 
presently exposed to risks of 
hospitalization and death many times 
higher than their vaccinated coworkers. 
Although predicting the health impact 
of this ETS is particularly challenging, 
given the ever-changing nature of the 
pandemic and the many factors that 
may motivate workers to become fully 
vaccinated, OSHA has attempted to 
quantify the potential number of 
hospitalizations and fatalities that this 
ETS could avert by increasing workforce 
vaccination rates (see OSHA, October 
2021c). OSHA has estimated that, as a 
result of the ETS, over 6,500 fewer 
currently unvaccinated workers will die 
from COVID–19 over the next six 
months. OSHA also estimates that this 
ETS will prevent over 250,000 currently 
unvaccinated workers from being 
hospitalized during that same time 
period. Even if OSHA’s estimate does 
not prove to be precisely accurate, 
OSHA is confident that this ETS will 
save hundreds of lives and prevent 
thousands of workers from becoming 
severely ill. 
a. OSHA Finds It Necessary To Strongly 
Encourage Vaccination 
Despite the proven safety and efficacy 
of the available COVID–19 vaccines, 
many workers remain unvaccinated and 
are currently exposed to a grave danger. 
As discussed in Grave Danger (Section 
III.A. of this preamble), countless 
COVID–19 outbreaks have occurred in 
myriad work settings where employees 
come into contact with others, and in 
recent weeks, the majority of states in 
the U.S. have experienced what CDC 
defines as high or substantial 
community transmission, indicating 
that there is a clear risk of the virus 
being introduced into and circulating in 
workplaces (CDC, October 18, 2021— 
Community Transmission Rates). As of 
October 18, 2021, more than 184 million 
people in the United States have been 
fully vaccinated, but only 68.5% of 
people ages 18 years or older are fully 
vaccinated (CDC, October 18, 2021— 
Fully Vaccinated). OSHA has estimated 
that approximately 62.4% percent of 
adults aged 18–74 within the scope of 
this ETS are either fully vaccinated or 
received their first vaccine dose during 
the previous two weeks, leaving 
approximately 31.7 million 
unvaccinated (i.e., not fully vaccinated 
and did not receive a first dose with in 
the past two weeks) (see Economic 
Analysis, Section IV.B. of this preamble, 
Table IV.B.7). Meanwhile, the rate of 
new vaccinations has slowed 
considerably; on October 15, 2021, the 
7-day moving average number of 
administered vaccine doses reported to 
the CDC per day was 841,731 doses, a 
steep reduction from the peak 3,448,156 
dose average that the CDC reported on 
April 11, 2021 (CDC, October 18, 2021— 
Weekly Review). 
Given the pervasiveness of the virus 
in workplaces across the country and 
the unparalleled efficacy of vaccines at 
preventing serious health effects, OSHA 
finds it necessary to strongly encourage 
vaccination. Encouraging vaccination is 
principally necessary to reduce the 
likelihood that workers who are infected 
by the SARS–CoV–2 virus will suffer 
the worst outcomes of an infection 
(hospitalization and death). Put simply, 
the single best method for protecting an 
unvaccinated worker from the serious 
health consequences of a COVID–19 
infection is for that worker to become 
fully vaccinated. 
Additionally, encouraging vaccination 
is necessary to reduce the overall 
prevalence of the SARS–CoV–2 virus at 
workplaces. Because vaccinated workers 
are less likely than unvaccinated 
workers to be infected by the virus, they 
are less likely to spread the virus to 
others at their workplace, including to 
unvaccinated coworkers. Increasing 
workforce vaccination rates will 
therefore reduce the risk that 
unvaccinated workers will be infected 
by a coworker. 
Evidence shows that mandating 
vaccination has proven to be an 
effective method for increasing 
vaccination rates, and that vaccination 
mandates have generally been more 
effective than merely encouraging 
vaccination. Significant numbers of 
workers would get vaccinated if their 
employers required it, and many 
workers who were vaccinated over the 
last four months were motivated by 
their employer requiring vaccination. 
The Kaiser Family Foundation (KFF) 
vaccine monitor, an ongoing research 
project tracking the public’s attitudes 
and experiences with COVID–19 
vaccinations, conducted a survey from 
September 13 to September 22, 2021, 
among a nationally representative 
random digit dial telephone sample of 
1,519 adults ages 18 and older, and 
found that those who received their first 
dose of a COVID–19 vaccine after June 
1, 2021 were motivated by mandates of 
various sorts, including one in five 
(19%) who say a major reason was that 
their employer required it (KFF, 
September 2021). A survey conducted 
by Change Research from August 30 to 
September 2, 2021 regarding Americans’ 
views on COVID–19 vaccines found that 
among the 1,775 respondents, ‘‘one of 
the things that was most likely to lead 
someone to get vaccinated was if their 
employer required it’’ (Towey, 
September 27, 2021). 
Vaccine mandates imposed by state 
governments and large employers have 
also demonstrated the effectiveness of 
mandates in increasing vaccination 
rates. For example, when Tyson Foods 
announced its vaccination requirement 
in early August 2021, only 45% of its 
workforce had received a vaccination 
dose, but as of September 30, 2021, the 
New York Times reported that has 
increased to 91% (White House, October 
7, 2021; Hirsch, September 30, 2021). 
Similarly, United Airlines reported that 
97% of its U.S.-based employees were 
fully vaccinated against COVID–19 
within a week of the deadline of the 
company’s vaccination mandate, and 
the 3% who were not fully vaccinated 
included several employees who sought 
a medical or religious exemption from 
vaccination (The Associated Press, 
September 22, 2021). In Washington 
State, the weekly vaccination rate 
increased 34% after the Governor 
announced vaccine requirements for 
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state workers (White House, October 7, 
2021). The success of these COVID–19 
vaccination mandates comports with the 
National Safety Council’s recent finding 
that employers that instituted a COVID– 
19 vaccination mandate produced a 
35% increase in employee vaccination 
(NSC, September 2021). Similarly, the 
White House recently reported that its 
analysis of vaccination requirements 
imposed by healthcare systems, 
educational institutions, public-sector 
agencies, and private businesses 
demonstrated that such requirements 
increased their vaccination rates by 
more than 20 percentage points and 
have routinely seen their share of fully 
vaccinated workers rise above 90 
percent (White House, October 7, 2021). 
Given the effectiveness of vaccination 
mandates in increasing vaccination 
rates, OSHA expects that, in most 
instances, an employer implementing a 
policy that requires all employees to be 
vaccinated will be the most effective 
approach for increasing the vaccination 
rate of its employees and ensuring that 
they have the best protection available 
against the worst consequences of a 
COVID–19 infection. Although OSHA 
may well have the authority to impose 
a vaccination mandate, OSHA has 
decided against pursuing strict 
vaccination requirement and has instead 
crafted the ETS to strongly encourage 
vaccination. Employers are in the best 
position to understand their workforces 
and the approach that will work most 
effectively with them to secure 
employee cooperation and protection. 
OSHA’s traditional practice when 
including medical procedures, such as 
medical surveillance testing and 
vaccinations, in its health standards has 
been to require the employer to make 
the medical procedure available to 
employees, and has viewed mandating 
those procedures as a measure to avoid 
if possible. For example, when the 
agency promulgated its standard 
regulating occupational exposure to 
lead, OSHA considered mandating that 
employees participate in physical 
examinations and biological monitoring, 
but ultimately required employers to 
make them available to employees (see 
43 FR 54354, 54450 (Nov. 21, 1978)). 
OSHA decided against mandating those 
procedures in part because it believed a 
voluntary approach would elicit more 
effective employee participation in the 
medical program and in part because of 
the agency’s concerns about the 
Government intruding into a private and 
sensitive area of workers’ lives (43 FR at 
54450–51). OSHA has followed that 
same approach of requiring employers 
to ‘‘provide’’ or ‘‘make available’’ 
medical procedures to employees in 
numerous subsequent standards, such 
as the standards for asbestos (29 CFR 
1910.1001), benzene (1910.1028), cotton 
dust (1910.1043), and formaldehyde 
(1910.1048). 
OSHA adhered to this approach when 
it promulgated the Bloodborne 
Pathogens standard. The agency 
considered mandating a Hepatitis B 
vaccination, but instead required 
employers to make the Hepatitis B 
vaccination available to employees. 56 
FR 64004, 64155 (Dec. 6, 1991); 29 CFR 
1910.1030(f)(1)(i), (f)(2)(i). OSHA 
explained that the agency may have the 
legal authority to mandate vaccination, 
but believed that, under the 
circumstances, a voluntary vaccination 
program would ‘‘foster greater employee 
cooperation and trust in the system’’ 
and ‘‘enhance [ ] compliance while 
respecting individuals’ beliefs and 
rights to privacy.’’ 56 FR at 64155. 
In keeping with this traditional 
practice, the agency has stopped short of 
including a strict vaccination mandate 
with no alternative compliance option 
in this ETS. OSHA has never done so, 
and if it were to take that step, OSHA 
believes it more prudent to do so where 
the agency has ample time to fully 
assess the potential ramifications of 
imposing a vaccination mandate on 
covered employers and employees. 
Here, exigent circumstances demand 
that OSHA take immediate action to 
protect workers from the grave danger 
posed by COVID–19, but OSHA has not 
had a full opportunity to study the 
potential spectrum of impacts on 
employers and employees, including the 
economic and health impacts, that 
would occur if OSHA imposed a strict 
vaccination mandate with no alternative 
compliance option. Moreover, 
employers in their unique workplace 
settings may be best situated to 
understand their workforce and the 
strategies that will maximize worker 
protection while minimizing workplace 
disruptions. These considerations 
persuade the agency that this ETS 
should afford employers some flexibility 
in the form of an alternative option to 
strictly mandating vaccination. In light 
of the unique and grave danger posed by 
COVID–19, OSHA has requested 
comment on whether a strict 
vaccination mandate is warranted and 
the agency will consider all the 
information it receives as it determines 
how to proceed with this rulemaking 
(see Request for Comment, Section I.B. 
of this preamble). 
Although this ETS does not impose a 
strict vaccination mandate, OSHA has 
determined that, to adequately address 
the grave danger that COVID–19 poses 
to unvaccinated workers, a more 
proactive approach is necessary than 
simply requiring employers to make 
vaccination available to employees. 
None of the standards that OSHA 
promulgated prior to this year 
concerned an infectious agent as readily 
transmissible as COVID–19. Standards 
like the Lead standard do not concern 
infectious agents that can be transmitted 
between individuals at a workplace; 
accordingly, the medical procedures 
that employers are required to make 
available under those standards are 
solely aimed at protecting the health of 
the worker who is undergoing the 
procedure. The Bloodborne Pathogens 
standard concerned exposure to 
infectious biological agents (Hepatitis B 
and HIV) that can be transmitted 
between individuals, but the potential 
for those agents to be transmitted 
between workers is minimal in 
comparison to the SARS–CoV–2 virus; 
Hepatitis B and HIV are transmitted 
through blood and certain body fluids, 
whereas the SARS–CoV–2 virus spreads 
through respiratory droplets that can 
travel through the air from worker-to- 
worker (see Grave Danger, Section III.A. 
of this preamble). Vaccination against 
COVID–19 is thus particularly 
important in reducing the potential for 
workers to become infected and spread 
the virus to others at the workplace, in 
addition to protecting the worker from 
severe health outcomes if they are 
infected. Moreover, the ease with which 
the SARS–CoV–2 virus spreads between 
workers makes it more urgent for 
workers to be vaccinated, and this 
urgency contributes to the agency’s 
decision to strongly encourage 
vaccination. 
Accordingly, to further the goal of 
increasing workforce vaccination rates, 
this ETS requires employers to 
implement a mandatory vaccination 
policy unless they adopt a policy in 
which employees may either be fully 
vaccinated or regularly tested for 
COVID–19 and wear a face covering in 
most situations when they work near 
other individuals. Employers have the 
duty under the OSH Act to provide safe 
workplaces to their employees, 
including protecting employees from 
known hazards by complying with 
occupational safety and health 
standards (see 29 U.S.C. 654), and this 
ETS therefore provides employers with 
two compliance options for protecting 
unvaccinated workers from the grave 
danger posed by COVID–19. But while 
this ETS offers employers a choice in 
how to comply, OSHA has presented 
implementation of a vaccination 
mandate as the preferred compliance 
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option; as discussed above, vaccine 
mandates have proven to be effective in 
increasing vaccination rates, and OSHA 
expects that, in most instances, 
implementing a vaccination mandate 
will be the most effective method for 
increasing a workforce’s vaccination 
rate. As discussed below, OSHA also 
recognizes that requiring that all 
employees be vaccinated provides more 
protection to vaccinated workers than 
regularly testing unvaccinated workers 
for COVID–19 and requiring them to 
wear face coverings when they work 
near others. This ETS will preempt 
inconsistent state and local 
requirements, including requirements 
that ban or limit employers’ authority to 
require vaccination (see the Summary 
and Explanation for paragraph (a), 
Section VI.A. of this preamble), and will 
therefore provide the necessary legal 
authorization to covered employers to 
implement mandatory vaccination 
policies, if they choose to comply in this 
preferred manner. 
Although the ETS does not require all 
covered employers to implement a 
mandatory vaccination policy, OSHA 
expects that employers that choose that 
compliance option will enjoy 
advantages that employers that opt out 
of the vaccination mandate option will 
not. Most obviously, employers with a 
mandatory vaccination policy will enjoy 
a dramatically reduced risk that their 
employees will become severely ill or 
die of a COVID–19 infection. In 
addition, employers who implement a 
vaccination mandate will likely have 
fewer workers temporarily removed 
from the workplace due to a COVID–19 
positive test; this rule requires all 
covered employers to remove from the 
workplace any employee who tests 
positive for COVID–19 or receives a 
diagnosis of COVID–19 (see the 
Summary and Explanation for 
paragraph (h), Section VI.H. of this 
preamble), and because vaccinated 
workers are less likely than 
unvaccinated workers to be infected by 
the virus, OSHA expects employers 
with a mandatory vaccination policy 
will be statistically less likely to be 
obliged to remove a COVID-positive 
employee from the workplace in 
accordance with paragraph (h)(2). 
Additionally, only employers who 
decline to implement a mandatory 
vaccination program are required by the 
rule to assume the administrative 
burden necessary to ensure that 
unvaccinated workers are regularly 
tested for COVID–19 and wear face 
coverings when they work near others. 
Where employers opt out of 
implementing a mandatory vaccination 
program, the ETS encourages employees 
to elect to be fully vaccinated. As 
discussed in the Summary and 
Explanation for paragraph (f) (Section 
VI.F. of this preamble), the ETS requires 
all covered employers to support 
vaccination by providing employees 
with reasonable time, including up to 
four hours of paid time, to receive each 
vaccination dose, and reasonable time 
and paid sick leave to recover from 
vaccination side effects. Many workers 
have been deterred from receiving 
vaccination by fears of missing work 
and/or losing pay to obtain vaccination 
and/or recover from side effects (see 
Section VI.F. of this preamble; see, e.g., 
KFF, May 6, 2021; KFF, May 17, 2021), 
and OSHA finds that this employer 
support is necessary to ensure that 
employees can become fully vaccinated 
without concern that they will be 
sacrificing pay or their jobs to do so. 
All covered employers are required by 
the ETS to bear the cost of providing up 
to four hours of paid time and 
reasonable paid sick leave needed to 
support vaccination, but where an 
employee chooses to remain 
unvaccinated, the ETS does not require 
employers to pay for the costs 
associated with regular COVID–19 
testing or the use of face coverings (see 
the Summary and Explanation for 
paragraphs (g) and (i), Sections VI.G. 
and VI.I. of this preamble). In some 
cases, employers may be required to pay 
testing and/or face covering costs under 
other federal or state laws or collective 
bargaining obligations, and some may 
choose to do so even without such a 
mandate, but otherwise employees will 
be required to bear the costs if they 
choose to be regularly tested and wear 
a face covering in lieu of vaccination. 
This ETS more strongly encourages 
vaccination than the June 2021 
Healthcare ETS. OSHA designed the 
Healthcare ETS, which addresses the 
grave danger that COVID–19 poses 
workers in specific health care settings 
where COVID–19-positive individuals 
are reasonably likely to be present, to 
encourage vaccination (see 86 FR at 
32415, 32423, 32565, 32597). 
Specifically, the Healthcare ETS 
encourages vaccination by requiring 
employers to provide employees 
reasonable and paid time to receive 
vaccination doses and recover from side 
effects (29 CFR 1910.502(m)), and by 
exempting from its scope ‘‘well-defined 
hospital ambulatory care settings where 
all employees are fully vaccinated’’ and 
all non-employees are screened and 
denied entry if they are suspected or 
confirmed to have COVID–19 
(1910.502(a)(2)(iv)) and ‘‘home 
healthcare settings where all employees 
are fully vaccinated’’ and all 
nonemployees at that location are 
screened prior to employee entry so that 
people with suspected or confirmed 
COVID–19 are not present (1910.502 
(a)(2)(v)). 
Similar to the Healthcare ETS, this 
ETS requires employers to support 
vaccination by providing employees 
with reasonable time, including up to 
four hours of paid time, to receive 
vaccination, and reasonable time and 
paid sick leave to recover from 
vaccination side effects (see discussion 
above and the Summary and 
Explanation for paragraph (f), Section 
VI.F. of this preamble). However, as 
discussed above, this ETS goes further 
and expressly requires the 
implementation of a mandatory 
vaccination policy, unless the employer 
implements an alternative policy that 
requires unvaccinated workers to be 
regularly tested for COVID–19 and to 
wear face coverings in most situations 
when they work near others. While 
nothing in the Healthcare ETS prohibits 
covered employers from implementing a 
mandatory vaccination policy, this ETS 
presents the implementation of a 
mandatory vaccination policy as a 
preferred compliance option, and will 
preempt inconsistent state and local 
requirements that ban or limit 
employers’ authority to require 
vaccination. Additionally, where the 
employer opts out of implementing a 
mandatory vaccination policy, and the 
employee opts out of vaccination, this 
ETS places no obligation on the 
employer to pay for costs associated 
with the regular testing of unvaccinated 
workers for COVID–19 or their use of 
face coverings, which will provide a 
financial incentive for some employees 
to be fully vaccinated. 
OSHA finds it necessary to more 
strongly encourage vaccination in this 
ETS than in the Healthcare ETS in the 
manner described above. The 
Healthcare ETS’s provisions that 
encouraged vaccination were packaged 
with a comprehensive infection 
prevention program that was tailored to 
the specific healthcare work settings to 
which the ETS applied, including a 
suite of layered and overlapping 
controls. In contrast, OSHA is 
promulgating this ETS to address the 
grave danger that COVID–19 now poses 
to all unvaccinated workers who work 
indoors and in the presence of others. 
As mentioned above, crafting a 
comprehensive and multi-layered 
standard that is comprehensive and 
feasible for the myriad work settings to 
which this ETS will apply, including 
workplaces as diverse as schools, 
restaurants, retail settings, offices, 
prisons, and factories, is an 
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extraordinarily challenging and 
complicated undertaking. 
Exigent circumstances require OSHA 
to immediately promulgate this ETS to 
protect unvaccinated workers, and 
vaccination is the single most efficient 
and effective method for removing 
unvaccinated workers from the grave 
danger. Given the urgency of the 
rulemaking and the singular efficacy of 
vaccination, OSHA has decided against 
including comprehensive and 
multilayered exposure controls in this 
ETS, and is instead focusing the ETS on 
strongly encouraging vaccination. 
Strongly encouraging vaccination is 
thus critical to the effectiveness of this 
ETS at protecting unvaccinated workers 
from the grave danger. In Request for 
Comment (Section I.B. of this preamble), 
OSHA seeks information on what 
additional measures, if any, should be 
required to protect employees against 
COVID–19. 
Moreover, stronger encouragement of 
vaccination is needed in this ETS than 
in the Healthcare ETS because workers 
who are protected by the Healthcare 
ETS are more likely to be vaccinated 
and/or subject to a vaccination mandate. 
The Healthcare ETS, 29 CFR 1910.502, 
focused on healthcare work settings 
where COVID–19 is reasonably expected 
to be present, and, this ETS does not 
apply in settings where any employee 
provides healthcare services or 
healthcare support services while they 
are covered by the requirements of 29 
CFR 1910.502 (see the Summary and 
Explanation for paragraph (b), Section 
VI.B. of this preamble). Evidence shows 
that workers in settings covered by 
§ 1910.502 already have a high rate of 
vaccination. As of July 2021, healthcare 
workers had a higher rate of vaccination 
than non-healthcare workers (Lazer et 
al., August, 2021), and many healthcare 
workers are currently subject to 
vaccination mandates. Twenty-two 
states and the District of Columbia have 
instituted vaccination mandates that are 
applicable to healthcare workers 
(NASHP, October 1, 2021), and nearly 
300 hospitals and broader health 
systems have implemented vaccine 
mandates for their employees (Renton et 
al., October 14, 2021). The White House 
reported that almost 2,500 hospitals, 
40% of all U.S. hospitals, across all 50 
states, the District of Columbia, and 
Puerto Rico, have announced 
vaccination requirements for their 
workforce, and noted numerous 
examples of highly successful mandates 
in those workplaces (White House, 
October 7, 2021). News reports attest 
that many of these vaccination 
mandates have had great success in 
increasing the vaccination rate of the 
targeted healthcare workers (Goldberg, 
July 9, 2021; Otterman and Goldstein, 
September 28, 2021; Hubler, September 
30, 2021; Beer, October 4, 2021). Even 
more healthcare workers covered by 29 
CFR 1910.502 will be subject to a 
vaccination mandate under the Centers 
for Medicare & Medicaid Services (CMS) 
rule published elsewhere in this issue of 
the Federal Register that requires 
COVID–19 vaccinations for workers in 
most healthcare settings that receive 
Medicare or Medicaid reimbursement, 
including but not limited to hospitals, 
dialysis facilities, ambulatory surgical 
settings, and home health agencies. This 
CMS rule applies to at least 76,000 
providers (i.e., employers) and covers a 
majority of healthcare workers across 
the country. OSHA expects that the 
combination of incentives to 
vaccination in the Healthcare ETS and 
vaccination mandates applicable to 
healthcare workers will leave few 
healthcare workers within the scope of 
the Healthcare ETS unvaccinated. 
b. Unvaccinated Workers Must Be 
Regularly Tested for COVID–19 and Use 
Face Coverings 
As discussed above, this ETS 
presumptively requires employers to 
implement a mandatory vaccination 
policy, but permits employers to opt out 
of that requirement. Nonetheless, the 
grave danger that COVID–19 poses to 
unvaccinated workers demands that 
alternative protective measures be taken 
at workplaces where the employer does 
not implement a mandatory vaccination 
policy. Given that the SARS–CoV–2 
virus is highly contagious, transmitted 
easily through the air, and can lead to 
severe and/or fatal outcomes in 
unvaccinated workers, it is critical that 
employers who do not require their 
employees to be vaccinated implement 
controls to mitigate the potential for 
COVID–19 outbreaks to occur. As 
discussed above, and in Grave Danger 
(Section III.A. of this preamble), 
unvaccinated workers are more likely 
than vaccinated workers to be infected 
with COVID–19 and transmit the virus 
to others, and thus pose a heightened 
risk of spreading the virus at the 
workplace, including to other 
unvaccinated workers. 
To reduce the risk that unvaccinated 
workers will spread COVID–19 at the 
workplace, this rule requires employers 
that do not implement a mandatory 
vaccination policy to ensure that 
unvaccinated workers who report to a 
workplace where others are present are 
tested at least once a week for COVID– 
19. As discussed in the Summary and 
Explanation for paragraph (g) (Section 
VI.G. of this preamble), it is well- 
established that, by identifying and 
isolating infected individuals, regularly 
testing individuals for COVID–19 
infection can be an effective method for 
reducing virus transmission. Regularly 
testing unvaccinated workers is 
essential because SARS–CoV–2 
infection is often attributable to 
asymptomatic or presymptomatic 
transmission (Bender et al., February 18, 
2021; Byambasuren et al., December 11, 
2020; Johansson et al., January 7, 2021; 
Klompas et al., September 2021). In 
accordance with the CDC’s 
recommendations, OSHA has set the 
minimum frequency of testing at 7 days 
because the agency expects that it will 
be effective in slowing the spread of 
COVID–19, while taking into account 
associated cost considerations (see the 
Summary and Explanation for 
paragraph (g), Section VI.G. of this 
preamble). As noted in the Request for 
Comment (Section I.B. of this preamble), 
OSHA is gathering additional 
information about whether OSHA 
should require testing more often than 
on a weekly basis. 
The requirement for unvaccinated 
workers to be regularly tested for 
COVID–19 operates in tandem with 
paragraph (h)(2), which requires that all 
employers remove from the workplace 
any employee who receives a positive 
COVID–19 test, or a COVID–19 
diagnosis (see the Summary and 
Explanation for paragraph (h), Section 
VI.H. of this preamble). Paragraph (h)(2) 
ensures that the COVID–19-positive 
employee will be isolated from the 
workplace until it is safe for the 
employee to return, and also allows the 
employee to seek medical care sooner 
and reduce the likelihood that they will 
suffer the most severe consequences of 
an infection (e.g., by seeking 
monoclonal antibody treatment). The 
combination of the testing and medical 
removal provisions will reduce the 
likelihood that an unvaccinated worker 
who has been infected with COVID–19, 
including those who are not 
experiencing symptoms of infection, 
will be permitted to spread the virus to 
others at the workplace, including 
unvaccinated coworkers. 
Additionally, OSHA finds it necessary 
to require employers that do not 
implement a mandatory vaccination 
policy to ensure that unvaccinated 
workers wear face coverings in most 
situations when they are working near 
others. This reflects OSHA’s recognition 
that regularly testing unvaccinated 
workers for COVID–19 will not be 100% 
effective in identifying infected workers 
before they enter the workplace. Most 
obviously, testing employees once a 
week will not prevent an unvaccinated 
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worker from exposing others at the 
workplace if the worker becomes 
infected and reports to the workplace in 
between their weekly tests. And, even if 
the rule required unvaccinated workers 
to be tested more frequently than once 
a week, infected persons may still be 
missed, particularly in areas with high 
community spread (Chin et al., 
September 9, 2020). 
Accordingly, requiring unvaccinated 
workers to wear face coverings in most 
situations when they are working near 
others will further mitigate the potential 
for unvaccinated workers to spread the 
virus at the workplace. As discussed in 
the Summary and Explanation for 
paragraph (i) (Section VI.I. of this 
preamble), it is well-established that 
face coverings provide effective source 
control; that is, they largely prevent 
respiratory droplets emitted by the 
wearer of the face covering from 
spreading to others, and thus make it 
significantly less likely that the person 
wearing the mask will transmit the 
virus, if they are infected. Face 
coverings are also believed to provide 
the wearer some limited protection from 
exposure to the respiratory droplets of 
co-workers and others (e.g., customers) 
(CDC, May 7, 2021), but the principal 
benefit of face coverings is to 
significantly reduce the wearer’s ability 
to spread the virus. By requiring 
unvaccinated workers to wear face 
coverings, this rule significantly reduces 
the likelihood that an infected 
unvaccinated worker who enters the 
workplace despite the testing 
requirements will spread the virus to 
others, including unvaccinated 
coworkers. 
OSHA acknowledges that regularly 
testing unvaccinated workers for 
COVID–19 and requiring them to wear 
face coverings when they work near 
others is less protective of unvaccinated 
workers than simply requiring all 
workers to be vaccinated. To be sure, 
OSHA strongly prefers that employers 
adopt a mandatory vaccination policy, 
as vaccination is singularly effective at 
protecting workers from the severe 
consequences that can result from a 
COVID–19 infection. And, where 
employers do not adopt a mandatory 
vaccination policy, employers may also 
consider alternative feasible measures 
that would remove employees who 
remain unvaccinated from the scope of 
this ETS, such as increasing telework 
(see the Summary and Explanation for 
paragraph (b), Section VI.B. of this 
preamble). Nonetheless, as discussed 
above, OSHA has not imposed a strict 
vaccination mandate on all covered 
employees who work in the presence of 
others and not exclusively outdoors, 
given that the agency has never 
previously used its authority to strictly 
mandate vaccination, and the exigent 
and extraordinary circumstances driving 
this emergency rulemaking have not 
afforded OSHA a full opportunity to 
assess the potential ramifications of 
including a strict vaccination mandate 
in this rule. Given these circumstances, 
and employers’ unique understanding of 
the compliance approaches that will 
best increase vaccination rates among 
their workforce, OSHA has designed a 
rule that preserves a limited degree of 
employer flexibility, and strongly 
encourages, but does not strictly require, 
vaccination. OSHA has requested 
comment in this ETS on whether a strict 
vaccination mandate would be 
appropriate and the agency will 
consider those comments as it 
determines how to proceed with this 
rulemaking. 
References 
Beer T. (2021, October 4). COVID–19 Vaccine 
Mandates Are Working—Here’s The 
Proof. Forbes. https://www.forbes.com/ 
sites/tommybeer/2021/10/04/covid-19- 
vaccine-mandates-are-working-heres- 
the-proof/?sh=1a08d2e72305. (Beer, 
October 4, 2021) 
Bender JK et al. (2021, February 18). Analysis 
of asymptomatic and presymptomatic 
transmission in SARS–CoV–2 outbreak, 
Germany, 2020. Emerging Infectious 
Diseases. 27(4). https://doi.org/10.3201/ 
eid2704.204576. (Bender et al., February 
18, 2021) 
Boseman J and Leatherby L. (2021, October 
1). U.S. Coronavirus Death Toll 
Surpasses 700,000 Despite Wide 
Availability of Vaccines. The New York 
Times. https://www.nytimes.com/2021/ 
10/01/us/us-covid-deaths-700k.html. 
(Boseman and Leatherby, October 1, 
2021) 
Byambasuren O et al., (2020, December 11). 
Estimating the extent of asymptomatic 
COVID–19 and its potential for 
community transmission: Systematic 
review and meta-analysis. Official 
Journal of the Association of Medical 
Microbiology and Infectious Disease 
Canada. 5(4): 223–234 doi:10.3138/ 
jammi-2020-0030. (Byambasuren et al., 
December 11, 2020) 
Centers for Disease Control and Prevention 
(CDC). (2021, May 7). Science brief: 
Community use of cloth masks to control 
the spread of SARS–CoV–2. https://
www.cdc.gov/coronavirus/2019-ncov/ 
science/science-briefs/masking-science- 
SARS-cov2.html. (CDC, May 7, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, October 18). COVID Data 
Tracker. https://covid.cdc.gov/covid- 
data-tracker/. (CDC, October 18, 2021) 
Chin E et al. (2020, September 9). Frequency 
of routine testing for COVID–19 in high- 
risk healthcare environments to reduce 
outbreaks. https://doi.org/10.1101/ 
2020.04.30.20087015. (Chin et al., 
September 9, 2020) 
Food and Drug Administration (FDA). (2020, 
December 11). Emergency use 
authorization for an unapproved product 
review memorandum (Pfizer-BioNTech 
COVID–19 vaccine/BNT 162b2 mRNA– 
1273). https://www.fda.gov/emergency- 
preparedness-and-response/coronavirus- 
disease-2019-covid-19/pfizer-biontech- 
covid-19-vaccine. (FDA, December 11, 
2020) 
Food and Drug Administration (FDA). (2020, 
December 18). Emergency use 
authorization for an unapproved product 
review memorandum (Moderna COVID– 
19 vaccine/mRNA–1273). https://
www.fda.gov/emergency-preparedness- 
and-response/coronavirus-disease-2019- 
covid-19/moderna-covid-19-vaccine. 
(FDA, December 18, 2020) 
Food and Drug Administration (FDA). (2021, 
February 26). Janssen COVID–19 
vaccine. Vaccines and Related Biological 
Products Advisory Committee February 
26, 2021 Meeting Briefing Document. 
https://www.fda.gov/media/146219/ 
download. (FDA, February 26, 2021) 
Goldberg C. (2021, July 9). Hospital Vaccine 
Mandates Suggest Success in Boosting 
U.S. Shots. Bloomberg News. https://
www.bloomberg.com/news/articles/2021- 
07-09/early-mandates-boost-worker- 
vaccine-rates-prompt-few-to-quit. 
(Goldberg, July 9, 2021) 
Hirsch L. (2021, September 30). After 
Mandate, 91% of Tyson Workers Are 
Vaccinated. https://www.nytimes.com/ 
2021/09/30/business/tyson-foods- 
vaccination-mandate-rate.html. (Hirsch, 
September 30, 2021) 
Hubler S. (2021, September 30). ‘Mandates 
Are Working’: Employer Ultimatums Life 
Vaccination Rates, So Far. The New York 
Times. https://www.nytimes.com/2021/ 
09/30/us/california-vaccine-mandate- 
health-care.html. (Hubler, September 30, 
2021) 
Johansson MA et al., (2021, January 7). 
SARS–CoV–2 transmission from people 
without COVID–19 symptoms. JAMA 
Network Open. 4(1): e2035057. 
doi:10.1001/jamanetworkopen.
2020.35057. (Johansson et al., January 7, 
2021) 
Kaiser Family Foundation (KFF). (2021, May 
6). KFF COVID–19 Vaccine Monitor: 
April 2021. https://www.kff.org/ 
coronavirus-covid-19/poll-finding/kff- 
covid-19-vaccine-monitor-april-2021/. 
(KFF, May 6, 2021) 
Kaiser Family Foundation (KFF). (2021, May 
17). How employer actions could 
facilitate equity in COVID–19 
vaccinations. https://www.kff.org/policy- 
watch/how-employer-actions-could- 
facilitate-equity-in-covid-19- 
vaccinations/. (KFF, May 17, 2021) 
Kaiser Family Foundation (KFF). (2021, 
September). Does The Public Want To 
Get A COVID–19 Vaccine? When? 
https://www.kff.org/coronavirus-covid- 
19/dashboard/kff-covid-19-vaccine- 
monitor-dashboard/?utm_
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18 This adoption includes the citations in the 
referenced section of the Healthcare ETS, which are 
also included in the docket for this ETS. 
Klompas M et al. (2021, September). The case 
for mandating COVID–19 vaccines for 
health care workers. Annals of Internal 
Medicine. https://doi.org/10.7326/M21- 
2366. (Klompas et al., September 2021) 
Lazer D et al. (2021, August). The COVID 
States Project: A 50-State COVID–19 
Survey Report #62: COVID–19 Vaccine 
Attitudes Among Healthcare Workers. 
http://news.northeastern.edu/uploads/ 
COVID19%20CONSORTIUM%20
REPORT%2062%20HCW%20
August%202021.pdf. (Lazer et al., 
August, 2021) 
National Academy for State Health Policy 
(NASHP). (2021, October 1). State Efforts 
to Ban or Enforce COVID–19 Vaccine 
Mandates and Passports. https://
www.nashp.org/state-lawmakers-submit- 
bills-to-ban-employer-vaccine-mandates/ 
. (NASHP, October 1, 2021) 
National Safety Council (NSC). (2021, 
September). A Year in Review, and 
What’s Next: COVID–19 Employer 
Approaches and Worker Experiences. 
https://www.nsc.org/faforms/safer-year- 
one-final-report. (NSC, September 2021) 
Occupational Safety and Health 
Administration (OSHA). (2021c, 
October). Health Impacts of the COVID– 
19 Vaccination and Testing ETS. (OSHA, 
October 2021c) 
Otterman S and Goldstein J. (2021, 
September 28). Thousands of N.Y. 
Health Care Workers Get Vaccinated 
Ahead of Deadline. The New York 
Times. https://www.nytimes.com/2021/ 
09/28/nyregion/vaccine-health-care- 
workers-mandate.html. (Otterman and 
Goldstein, September 28, 2021) 
Renton B et al. (2021, October 14). New: 
Hospital Vaccine Mandate Tracker. 
Global Epidemics, Brown School of 
Public Health. https://
globalepidemics.org/2021/07/24/new- 
hospital-vaccine-mandate-tracker/. 
(Renton et al., October 14, 2021) 
Scobie HM et al. (2021, September 17). 
Monitoring Incidence of COVID–19 
Cases, Hospitalizations, and Deaths, by 
Vaccination Status—13 U.S. 
Jurisdictions, April 4–July 17, 2021. 
MMWR Morb Mortal Wkly Rep 2021; 70: 
early release. https://www.cdc.gov/ 
mmwr/volumes/70/wr/mm7037e1.htm. 
(Scobie et al., September 17, 2021) 
The Associated Press. (2021, September 22). 
United Airlines says 97% of US 
employees have been vaccinated. https:// 
www.wifr.com/2021/09/22/united- 
airlines-say-97-us-employees-have-been- 
vaccinated/. (The Associated Press, 
September 22, 2021) 
Towey R. (2021, September 27). CNBC poll 
shows very little will persuade 
unvaccinated Americans to get Covid 
shots. https://www.cnbc.com/2021/09/ 
10/cnbc-poll-shows-very-little-will- 
persuade-unvaccinated-americans-to- 
get-covid-shots.html. (Towey, September 
27, 2021) 
White House. (2021, October 7). White House 
Report: Vaccination Requirements Are 
Helping Vaccinate More People, Protect 
Americans from COVID–19, and 
Strengthen the Economy. https://
www.whitehouse.gov/wp-content/ 
uploads/2021/10/Vaccination- 
Requirements-Report.pdf. (White House, 
October 7, 2021) 
III. No Other Agency Action is Adequate 
To Protect Employees Against Grave 
Danger 
OSHA’s experience to date shows that 
the agency’s existing tools are 
inadequate to meet the grave danger 
posed by COVID–19 to unvaccinated 
workers not covered by the Healthcare 
ETS. OSHA has determined that its 
existing standards, regulations, the OSH 
Act’s General Duty Clause, and non- 
mandatory guidance will not adequately 
promote the most effective means to 
protect these workers: Vaccination. The 
agency has determined that this ETS is 
necessary to address these inadequacies. 
Multiple developments support this 
change in approach. First, large 
numbers of employees are continuing to 
contract COVID–19 and die. (See Grave 
Danger, Section III.A. of this preamble). 
Further, based on a thorough review of 
its existing approach to protecting 
employees from COVID–19 and the 
current state of the pandemic, OSHA 
finds that existing OSHA standards, 
regulations, the General Duty Clause, 
and non-mandatory guidance are not 
adequate to protect employees outside 
healthcare from COVID–19. The 
Preamble to the Healthcare ETS 
includes a detailed analysis 
demonstrating the inadequacy of 
existing tools in the healthcare industry. 
See 86 FR 32414–32423. In general, the 
same analysis applies here. The reasons 
existing tools were inadequate to protect 
healthcare workers apply in other 
industry sectors as well. The Healthcare 
ETS itself, while necessary to protect 
healthcare workers, of course applies 
only to that industry. Finally, the 
numerous guidance products published 
by other entities, such as CDC, are not 
adequate to protect employees because 
they are not enforceable; there is no 
penalty for noncompliance. 86 FR at 
32415. Even as the CDC has increasingly 
recommended vaccination to protect 
from the dangers of transmission and 
severe illness related to the SARS–CoV– 
2 virus, vaccination rates remain uneven 
around the country. (CDC, September 9, 
2021; Leonhardt, September 7, 2021; 
KFF, October 6, 2021; McPhillips and 
Cohen, May 19, 2021). 
The need for this ETS is also reflected 
in the number of states and localities 
that have issued their own mandatory 
standards in recognition that OSHA’s 
existing measures (including non- 
mandatory guidance, compliance 
assistance, and enforcement of existing 
standards) have failed to prevent the 
spread of the virus in workplaces. 
Additionally, as mentioned previously, 
other states have banned certain 
employers from implementing 
workplace vaccination mandates or 
from verifying an employee’s 
vaccination status or from requiring face 
coverings. A national standard is 
necessary to establish clear 
requirements regarding vaccination, 
testing and face coverings that will 
protect employees in all states and 
preempt state or local ordinances that 
prevent employers from implementing 
necessary protections. 
a. The Current Standards and 
Regulations Are Inadequate 
In the Healthcare ETS, OSHA 
considered its enforcement efforts with 
regard to existing standards and 
regulations that OSHA had identified as 
potentially applicable to occupational 
exposure to SARS–CoV–2. OSHA’s 
analysis in Section IV of the Healthcare 
ETS, 86 FR 32376, 32416–17 and hereby 
included in the record of this ETS,18 is 
applicable here in considering the need 
for this ETS, which covers a much 
broader set of employers in all 
industries. There OSHA found that none 
of the existing OSHA standards could 
sufficiently abate the hazard posed by 
COVID–19 in healthcare settings. Here 
again OSHA concludes that the 
potentially applicable existing standards 
are insufficient to address the grave 
danger faced by workers covered by this 
ETS. None of the current standards, 
even if more rigorously enforced, can 
sufficiently address this cross-industry 
hazard of national proportions to abate 
the grave danger posed by COVID–19 or 
lead to the same benefits that this ETS 
will achieve. See Asbestos Info. Ass’n/ 
N. Am. v. Occupational Safety & Health 
Admin., 727 F.2d 415, 427 (5th Cir. 
1984) (‘‘[M]uch of the claimed benefit 
could be obtained simply by enforcing 
the current standard.’’). 
Through its enforcement guidance, 
OSHA identified a number of current 
standards and regulations that might 
apply when workers have occupational 
exposure to SARS–CoV–2, most of 
which are the same standards OSHA 
considered in the Healthcare ETS. 
(Updated Interim Enforcement Response 
Plan for Coronavirus Disease 2019 
(COVID–19)) (OSHA, July 7, 2021). 
OSHA has also cited the Hazard 
communication standard (29 CFR 
1910.1200) during COVID–19 
investigations. Accordingly, a list of 
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potentially applicable standards and 
regulations follows: 
• 29 CFR part 1904, Recording and 
Reporting Occupational Injuries and 
Illnesses. This regulation requires 
certain employers to keep records of 
work-related fatalities, injuries, and 
illnesses and report them to the 
government in specific circumstances. 
• 29 CFR 1910.132, General 
requirements—Personal Protective 
Equipment (PPE). This standard 
requires that appropriate PPE, including 
PPE for eyes, face, head, and 
extremities, protective clothing, 
respiratory devices, and protective 
shields and barriers, be provided, used, 
and maintained in a sanitary and 
reliable condition. 
• 29 CFR 1910.134, Respiratory 
protection. This standard requires that 
employers provide, and ensure the use 
of, appropriate respiratory protection 
when necessary to protect employee 
health. 
• 29 CFR 1910.141, Sanitation. This 
standard applies to permanent places of 
employment and contains, among other 
requirements, general housekeeping and 
waste disposal requirements. 
• 29 CFR 1910.145, Specification for 
accident prevention signs and tags. This 
standard requires the use of biological 
hazard signs and tags, in addition to 
other types of accident prevention signs 
and tags. 
• 29 CFR Subpart U—COVID–19 
Emergency Temporary Standard. The 
Healthcare ETS, promulgated on June 
21, 2021 includes various controls 
(patient screening and management, 
respirators and other PPE, limiting 
exposure to aerosol-generating 
procedures, physical distancing, 
physical barriers, cleaning, disinfection, 
ventilation, health screening and 
medical management, access to 
vaccination, anti-retaliation provisions, 
and medical removal protection) to 
address the grave danger posed by 
COVID–19 to healthcare workers. 
• 29 CFR 1910.1020, Access to 
employee exposure and medical 
records. This standard requires that 
employers provide employees and their 
designated representatives access to 
relevant exposure and medical records. 
• 29 CFR 1910.1200, Hazard 
communication. This standard requires 
employers to keep Safety Data Sheets 
(SDS) for chemical hazards, provide 
SDSs to employees and their 
representatives when requested, and 
train employees about those hazards. 
The standard does not apply to 
biological hazards, but hazard 
communication becomes an issue for 
the SARS–CoV–2 virus when chemicals 
are used to disinfect surfaces. 
OSHA again finds that none of these 
existing standards provide for the types 
of workplace controls that are necessary 
to combat the grave danger addressed by 
this ETS. First, none of the listed 
potentially applicable standards require 
vaccination against SARS–CoV–2, the 
most efficient and effective control to 
combat the grave danger posed by the 
virus. (The Bloodborne Pathogen 
Standard requires that the hepatitis B 
vaccine be made available to certain 
employees, but that is not that is not 
relevant here, since the hepatitis 
vaccine provides no protection against 
COVID–19). Nor are the additional 
safety measures included in this ETS— 
vaccination verification, screening 
testing, face coverings, and medical 
removal of COVID–19 positive 
workers— required by existing 
standards other than OSHA’s Healthcare 
ETS (covering employees exempted 
from this new ETS while the Healthcare 
ETS is in effect). 
Second, because existing standards do 
not contain provisions specifically 
targeted at the COVID–19 hazard, it may 
be difficult for employers and 
employees to determine what particular 
COVID–19 safety measures are required 
by existing standards, or how the 
separate standards are expected to work 
together as applied to COVID–19. An 
ETS that contains provisions 
specifically addressing COVID–19 
hazards in covered workplaces will 
provide clear instructions. More 
certainty will lead to more compliance, 
and more compliance will lead to 
improved protection of employees 
covered by this standard. 
Third, requirements in some 
standards may be appropriate for other 
situations but simply do not 
contemplate COVID–19 and fail to 
address important aspects of the hazard. 
For example, the general sanitation 
standard requires employers to provide 
warm water, soap, and towels that can 
be used in hand washing, but does not 
require disinfection or provision of 
hand sanitizer where handwashing 
facilities cannot be made readily 
available. See 86 FR 32417. Although 
the sanitation standard might appear at 
first glance to be relevant here, it simply 
does not require the types of controls 
that would, even if more rigorously 
enforced, sufficiently reduce the threat 
of COVID–19 in the workplace. As such, 
OSHA affirms its previous 
determination that some of the above- 
listed standards—including the 
sanitation standard—are in practice too 
difficult to apply to the COVID–19 
hazard and have never been cited in 
COVID enforcement. 86 FR 32416. 
Fourth, existing recordkeeping and 
reporting regulations do not adequately 
allow the employer or the agency to 
assess the full scope of COVID–19 
workplace exposures and protection. 
OSHA’s general recordkeeping 
regulations were not written with the 
nature of COVID–19 transmission or 
illness in mind. In order to adequately 
understand and thereby control the 
spread of COVID–19 in the workforce, it 
is critical that the employer has records 
of employees’ vaccination status, and of 
the testing undergone by employees 
who do not receive vaccination, and 
that it knows of all cases of COVID–19 
occurring among employees. However, 
such information is outside of the scope 
of OSHA’s existing recordkeeping 
requirements, which are limited to 
injuries or illnesses that the employer 
knows to be work-related. 
Moreover, existing reporting 
regulations do not adequately ensure 
that OSHA has the full picture of the 
impact of COVID–19 because those 
regulations only require employers to 
report in-patient hospitalizations that 
occur within 24 hours of the work- 
related incident and to report fatalities 
that occur within thirty days of the 
work-related incident. 86 FR at 32417. 
Many COVID–19 infections will not 
result in hospitalization or death until 
well after these limited reporting 
periods. Under existing regulations, 
such cases are not required to be 
reported to OSHA, which limits the 
agency’s ability to fully understand the 
impact of COVID–19 on the workforce. 
86 FR 32417. This ETS includes a 
provision, paragraph (k), that removes 
the time limitation on reporting for 
COVID–19 cases. 
In conclusion, OSHA’s experience has 
demonstrated that existing standards 
and regulations are inadequate to 
address the current COVID–19 hazard. 
b. The General Duty Clause Is 
Inadequate To Meet the Current Crisis 
Section 5(a)(1) of the OSH Act, or the 
General Duty Clause, provides the 
general mandate that each employer 
‘‘furnish to each of [its] employees 
employment and a place of employment 
which are free from recognized hazards 
that are causing or are likely to cause 
death or serious physical harm to [its] 
employees.’’ 29 U.S.C. 654(a)(1). For 
General Duty Clause citations to be 
upheld, OSHA must demonstrate 
elements of proof that are 
supplementary to, and can be more 
difficult to show than, the elements of 
proof required for violations of specific 
standards, where a hazard is presumed. 
Specifically, to prove a violation of the 
General Duty Clause, OSHA needs to 
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establish—in each individual case— 
that: (1) An activity or condition in the 
employer’s workplace presented a 
hazard to an employee; (2) the hazard 
was recognized; (3) the hazard was 
causing or was likely to cause death or 
serious physical harm; and (4) feasible 
means to eliminate or materially reduce 
the hazard existed. BHC Nw. Psychiatric 
Hosp., LLC v. Sec’y of Labor, 951 F.3d 
558, 563 (D.C. Cir. 2020). OSHA often 
relies on the General Duty Clause to fill 
gaps where specific standards do not 
address a hazard and OSHA enforces it 
through case-by-case adjudicative 
proceedings. See United States v. 
Strum, 84 F.3d 1, 5 (1st Cir. 1996). 
OSHA has previously found the 
General Duty Clause to be inadequate to 
protect employees from dangers posed 
by infectious agents. In promulgating 
the bloodborne pathogens standard, 
OSHA explained that enforcement 
under the General Duty Clause was 
insufficient to protect employees from 
the serious hazards those pathogens 
present. 56 FR 64007 (December 6, 
1991). In the recently promulgated 
Healthcare ETS, OSHA found that the 
General Duty Clause was insufficient to 
protect healthcare workers from the 
grave danger they faced as well. 86 FR 
32418. While OSHA initially attempted 
to use the General Duty Clause to 
protect employees across all industries 
from COVID–19-related hazards, 
OSHA’s experience has demonstrated 
that the Clause is grossly inadequate to 
protect employees covered by this ETS 
from the grave danger posed by COVID– 
19 in the workplace. As explained more 
fully below, OSHA finds this ETS is 
necessary to protect employees from the 
hazards of COVID–19. 
As an initial matter, the General Duty 
Clause does not provide employers with 
specific requirements to follow or a 
roadmap for implementing appropriate 
abatement measures. The ETS, however, 
provides a clear statement of what 
OSHA expects employers to do to 
protect workers, thus facilitating better 
compliance. The General Duty Clause is 
so named because it imposes a general 
duty to keep the workplace free of 
recognized serious hazards; the ETS, in 
contrast, lays out clear requirements for 
employers to implement vaccination 
policies including vaccination 
verification, support for employee 
vaccination, screening testing and face 
coverings for unvaccinated workers, and 
medical removal of COVID–19 positive 
employees. Conveying obligations as 
clearly and specifically as possible 
makes it much more likely that 
employers will comply with those 
obligations and thereby protect workers 
from COVID–19 hazards. See, e.g., 
Integra Health Mgmt., Inc., 2019 WL 
1142920, at *7 n.10 (No. 13–1124, 2019) 
(noting that standards ‘‘give clear notice 
of what is required of the regulated 
community’’); 56 FR 64007 (‘‘because 
the standard is much more specific than 
the current requirements [general 
standards and the general duty clause], 
employers and employees are given 
more guidance in carrying out the goal 
of reducing the risks of occupational 
exposure to bloodborne pathogens’’). 
Moreover, several characteristics of 
General Duty Clause enforcement 
actions make them an inadequate means 
to address hazards associated with 
COVID–19. First, it would be virtually 
impossible for OSHA to require and 
enforce the most important worker- 
protective elements of the ETS (such as 
vaccination and testing) under the 
General Duty Clause. Second, OSHA’s 
burden of proof for establishing a 
General Duty Clause violation is heavier 
than for standards violations. Third, 
promulgating an ETS will enable OSHA 
to issue more meaningful penalties for 
willful and egregious violations, thus 
creating effective deterrence against 
employers who intentionally disregard 
their obligations under the Act or 
demonstrate plain indifference to 
employee safety. As discussed in more 
detail below, all of these considerations 
demonstrate OSHA’s need to 
promulgate this ETS in order to protect 
unvaccinated workers covered by this 
standard from hazards posed by 
COVID–19. 
The General Duty Clause is ill-suited to 
requiring employers to adopt 
vaccination and testing policies, 
like those required by the ETS 
Because the General Duty Clause 
requires OSHA to establish the 
existence and feasibility of abatement 
measures that can materially reduce a 
hazard, it is difficult for OSHA to use 
the clause to require specific control 
measures where an employer is doing 
something, but not what the Secretary 
has determined is needed to fully 
address the serious hazard. See, e.g., 
Waldon Health Care Center, 16 BNA 
OSHC 1052, 1993 WL 119662 at * (No. 
89–2804, 1993) (vacating OSHA citation 
requiring pre-exposure hepatitis B 
vaccination under General Duty Clause 
by finding that although vaccination 
would more fully reduce the hazard, the 
employer’s chosen means of abatement 
were sufficient); Brown & Root, Inc., 
Power Plant Div., 8 BNA OSHC 2140, 
1980 WL 10668 at *5 (No. 76–1296, 
1980) (‘‘[T]he employer may defend 
against a section 5(a)(1) citation by 
asserting that it was using a method of 
abatement other than the one suggested 
by the Secretary.’’). 
Further, even where OSHA 
establishes a violation of the General 
Duty Clause, the employer is under no 
obligation to implement the feasible 
means of abatement proven by OSHA as 
part of its prima facie case. Cyrus Mines 
Corp., 11 OSH Cas. (BNA) 1063, 1982 
WL 22717, at *4 (No. 76–616, 1983) 
(‘‘[The employer] is not required to 
adopt the abatement method suggested 
by the Secretary, even one found 
feasible by the Commission; it may 
satisfy its duty to comply with the 
standard by using any feasible method 
that is appropriate to abate the 
violation.’’); Brown & Root, Inc., Power 
Plant Div., 1980 WL 10668 at *5. Thus, 
even in cases where OSHA prevails, the 
employer need not necessarily 
implement the specific abatement 
measure(s) OSHA established would 
materially reduce the hazard. The 
employer could select alternative 
controls and then it would be up to 
OSHA, if it wished to cite the employer 
again, to establish that the recognized 
hazard continued to exist and that its 
preferred controls could materially 
reduce the hazard even further. 
Given the severity and pervasiveness 
of the COVID–19 hazard, OSHA has 
determined that the specific abatement 
measures provided in this ETS are 
necessary to protect workers from grave 
danger. Under the General Duty Clause 
alone, it would be nearly impossible to 
require employers to provide these 
specific measures, and even then, it 
could only be on a case-by-case 
enforcement basis. Considering the 
magnitude and ubiquity of the danger 
that SARS–CoV–2 poses to workers 
across the country, the case-by-case 
adjudicatory regime set up through the 
General Duty Clause is simply not 
adequate to combat the risk of severe 
illness and death caused by the virus. 
General Duty Clause Citations Impose a 
Heavy Litigation Burden on OSHA 
Under the General Duty Clause OSHA 
must prove that there is a recognized 
hazard, i.e., a workplace condition or 
practice to which employees are 
exposed, creating the potential for death 
or serious physical harm to employees. 
See SeaWorld of Florida LLC v. Perez, 
748 F.3d 1202, 1207 (D.C. Cir. 2014); 
Integra Health Management, 2019 WL 
1142920, at *5. Whether a particular 
workplace condition or practice is a 
‘‘recognized hazard’’ under the General 
Duty Clause is a question of fact that 
must be decided in each individual 
case. See SeaWorld of Florida LLC, 748 
F.3d at 1208. In the case of a COVID– 
19-related citation, this means showing 
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19 ‘‘The Act does not wait for an employee to die 
or become injured. It authorizes the promulgation 
of health and safety standards and the issuance of 
citations in the hope that these will act to prevent 
deaths and injuries from ever occurring.’’ Whirlpool 
Corp, v. Marshall, 445 U.S. 1, 12 (1980); see also 
Arkansas-Best Freight Sys., Inc. v. Occupational 
Safety & Health Rev. Comm’n, 529 F.2d 649, 653 
(8th Cir. 1976) (noting that the ‘‘[OSH] Act is 
intended to prevent the first injury’’). 
not just that the virus is a hazard as a 
general matter—a fairly indisputable 
point—but also that the specific 
conditions in the cited workplace, such 
as unvaccinated, unmasked employees 
working in close proximity to other 
employees for extended periods, create 
a COVID–19-related hazard. 
In contrast, an OSHA standard that 
requires or prohibits specific conditions 
or practices establishes the existence of 
a hazard. See Harry C. Crooker & Sons, 
Inc. v. Occupational Safety & Health 
Rev. Comm’n, 537 F.3d 79, 85 (1st Cir. 
2008); Bunge Corp. v. Sec’y of Labor, 
638 F.2d 831, 834 (5th Cir. 1981). Thus, 
in enforcement proceedings under 
OSHA standards, as opposed to the 
General Duty Clause, ‘‘the Secretary 
need not prove that the violative 
conditions are actually hazardous.’’ 
Modern Drop Forge Co. v. Sec’y of 
Labor, 683 F.2d 1105, 1114 (7th Cir. 
1982). With OSHA’s finding that the 
hazard of exposure to COVID–19 can 
exist for unvaccinated workers in all 
covered workplaces (see Grave Danger, 
Section III.A. of this preamble), the ETS 
will eliminate the burden to repeatedly 
prove, workplace by workplace, the 
existence of a COVID–19 hazard under 
the General Duty Clause. 
One of the most significant 
advantages to standards like the ETS 
that establish the existence of the hazard 
at the rulemaking stage is that the 
Secretary can require specific abatement 
measures without having to prove that 
a specific cited workplace is already 
hazardous.19 In contrast, as discussed 
above, under the General Duty Clause 
the Secretary cannot require abatement 
before proving in the enforcement 
proceeding that an existing condition at 
the workplace is hazardous. For 
example, in a challenge to OSHA’s 
Grain Handling Standard, which was 
promulgated in part to protect 
employees from the risk of fire and 
explosion from accumulations of grain 
dust, the Fifth Circuit acknowledged 
OSHA’s inability to effectively protect 
employees from these hazards under the 
General Duty Clause in upholding, in 
large part, the standard. See Nat’l Grain 
& Feed Ass’n v. Occupational Safety & 
Health Admin., 866 F.2d 717, 721 (5th 
Cir. 1988) (noting Secretary’s difficulty 
in proving explosion hazards of grain 
handling under General Duty Clause). 
Although OSHA had attempted to 
address fire and explosion hazards in 
the grain handling industry under the 
General Duty Clause, ‘‘employers 
generally were successful in arguing 
that OSHA had not proved that the 
specific condition cited could cause a 
fire or explosion.’’ Id. at 721 & n.6 
(citing cases holding that OSHA failed 
to establish a fire or explosion hazard 
under the General Duty Clause). The 
Grain Handling Standard, in contrast, 
established specific limits on 
accumulations of grain dust based on its 
combustible and explosive nature, and 
the standard allowed OSHA to cite 
employers for exceeding those limits 
without the need to prove at the 
enforcement stage that each cited 
accumulation was likely to cause a fire 
or explosion. See id. at 725–26. 
The same logic applies to COVID–19 
hazards. Given OSHA’s burden under 
the General Duty Clause to prove that 
conditions at the cited workplace are 
hazardous, it is difficult for OSHA to 
ensure necessary abatement before 
individual employee lives and health 
are unnecessarily endangered by 
exposure to COVID–19, despite 
widespread evidence of the grave 
danger posed by worker exposure to 
COVID–19. Indeed, despite publishing a 
voluminous collection of COVID–19 
guidance online and receiving and 
investigating thousands of complaints, 
OSHA did not believe it could justify 
the issuance of more than 20 COVID–19 
related General Duty Clause citations 
over the entire span of the pandemic so 
far, because of the quantum of proof the 
Secretary must amass under the General 
Duty Clause. Unlike enforcement under 
the General Duty Clause, this ETS 
allows OSHA to cite employers for each 
protective requirement they fail to 
implement without the need to wait for 
employee infection or death to prove in 
an enforcement proceeding that the 
particular cited workplace was 
hazardous without that particular 
measure in place. Thus, this ETS, which 
covers millions of workers nation-wide, 
is significantly preferable to the General 
Duty Clause with respect to such a 
highly transmissible virus because the 
inability to prevent a single exposure 
can quickly result in an exponential 
increase in exposures and illnesses or 
fatalities even at a single worksite. 
An additional limitation of the 
General Duty Clause is that proving that 
there are feasible means to materially 
reduce a recognized hazard typically 
requires testimony from an expert 
witness in each separate case, which 
limits OSHA’s ability to prosecute these 
cases as broadly as needed to protect 
workers, in light of the expense 
involved. See, e.g., Integra Health 
Management, 2019 WL 1142920, at *13 
(requiring expert witness to prove 
proposed abatement measures would 
materially reduce hazard). In contrast, 
where an OSHA standard specifies the 
means of compliance, the agency has 
already made the necessary technical 
determinations in the rulemaking and 
therefore does not need to establish 
feasibility of compliance as part of its 
prima facie case in an enforcement 
proceeding. See, e.g., A.J. McNulty & Co. 
v. Sec’y of Labor, 283 F.3d 328, 334 
(D.C. Cir. 2002); S. Colorado Prestress 
Co. v. Occupational Safety & Health 
Rev. Comm’n, 586 F.2d 1342, 1351 (10th 
Cir. 1978). Preventing the initial 
exposure and protecting as many 
workers as quickly as possible is 
especially critical in the context of 
COVID–19 because, as explained in 
Grave Danger, Section III.A. of this 
preamble, it can spread so easily in 
workplaces. 
The ETS will also permit OSHA to 
achieve meaningful deterrence 
when necessary to address willful 
or egregious failures to protect 
employees against the COVID–19 
hazard 
As described above, in contrast to the 
broad language of the General Duty 
Clause, this ETS will prescribe specific 
measures employers covered by this 
standard must implement. This 
specificity will make it easier for OSHA 
to determine whether an employer has 
intentionally disregarded its obligations 
or exhibited a plain indifference to 
employee safety or health. In such 
instances, OSHA can classify the 
citations as ‘‘willful,’’ allowing it to 
propose higher penalties, with increased 
deterrent effects. In promulgating the 
Healthcare ETS, OSHA noted that early 
in the pandemic, shifting guidance on 
the safety measures employers should 
take to protect their employees from 
COVID–19 created ambiguity regarding 
employers’ specific obligations. Thus, 
OSHA could not readily determine 
whether a particular employer had 
‘‘intentionally’’ disregarded obligations 
that were not yet clear. And, even as the 
guidance began to stabilize, OSHA’s 
ability to determine ‘‘intentional 
disregard’’ or ‘‘plain indifference’’ was 
difficult, for example, when an 
employer took some steps address the 
COVID–19 hazard. 86 FR 32420. The 
Healthcare ETS largely resolved this 
issue for employers covered by that 
standard, by laying out clearly what 
parameters to put in place to protect 
healthcare workers. However, this 
general challenge persists in OSHA’s 
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attempts at enforcement in other 
industries. 
Further, OSHA has adopted its 
‘‘egregious violation’’ policy to impose 
sufficiently large penalties that achieve 
appropriate deterrence against bad actor 
employers who willfully disregard their 
obligation to protect their employees 
when certain aggravating circumstances 
are present, such as a large number of 
injuries or illnesses, bad faith, or an 
extensive history of noncompliance 
(OSHA Directive CPL 02–00–080 
(October 21, 1990)). Its purpose is to 
increase the deterrent impact of OSHA’s 
enforcement activity. This policy 
utilizes OSHA’s authority to issue a 
separate penalty for each instance of 
noncompliance with an OSHA standard, 
such as each employee lacking the same 
required protections, or each 
workstation lacking the same required 
controls. It can be more difficult to use 
this policy under the General Duty 
Clause because the Fifth Circuit and the 
Occupational Safety and Health Review 
Commission have held that, under the 
General Duty Clause, OSHA may only 
cite a hazardous condition once, 
regardless of its scope or the number of 
workers affected. Reich v. Arcadian 
Corp., 110 F.3d 1192, 1199 (5th Cir. 
1997). Thus, even where OSHA finds 
that an employer willfully failed to 
protect a large number of employees 
from a COVID–19 hazard, OSHA might 
not be able to cite the employer on a 
per-instance basis for failing to protect 
each of its employees. The provisions of 
this ETS have been intentionally drafted 
to make clear OSHA’s authority to 
separately cite employers for each 
instance of the employer’s failure to 
protect employees and for each affected 
employee, where appropriate. 
By providing needed clarity, the ETS 
will facilitate ‘‘willful’’ and ‘‘egregious’’ 
determinations that are critical 
enforcement tools OSHA can use to 
adequately address violations by 
employers who have shown a conscious 
disregard for the health and safety of 
their workers in response to the 
pandemic. Without the necessary 
clarity, OSHA has been limited in its 
ability to impose penalties high enough 
to motivate the very large employers 
who are unlikely to be deterred by 
penalty assessments of tens of 
thousands of dollars, but whose 
noncompliance can endanger thousands 
of workers. Indeed, OSHA has only been 
able to issue two COVID–19-related 
‘‘willful’’ citations and no ‘‘egregious’’ 
citations since the start of the pandemic 
because of the challenges described 
above. 
For all of the reasons described above, 
and after over a year of attempting to 
use the General Duty Clause to address 
this widespread hazard, OSHA finds 
that the General Duty Clause is not an 
adequate enforcement tool to protect 
employees covered by this standard 
from the grave danger posed by COVID– 
19. 
c. OSHA and Other Entity Guidance Is 
Insufficient 
OSHA has issued numerous non- 
mandatory guidance products to advise 
employers on how to protect workers 
from SARS–CoV–2 infection (see 
https://www.osha.gov/coronavirus). 
Even the most comprehensive guidance 
makes clear, as it must, that the 
guidance itself imposes no new legal 
obligations, and that its 
recommendations are ‘‘advisory in 
nature.’’ (See OSHA’s online guidance, 
Protecting Workers: Guidance on 
Mitigating and Preventing the Spread of 
COVID–19 in the Workplace (OSHA, 
Updated August 13, 2021); and OSHA’s 
earlier 35-page booklet, Guidance on 
Preparing Workplaces for COVID–19, 
(OSHA, March 9, 2020)). This guidance, 
as well as guidance products issued by 
other government agencies and 
organizations, including the CDC, the 
Centers for Medicare & Medicaid 
Services (CMS), the Institute of 
Medicine (IOM), and the World Health 
Organization (WHO), help protect 
employees to the extent that employers 
voluntarily choose to implement the 
practices they recommend. 
Unfortunately, OSHA’s experience and 
the continued spread of COVID–19 
throughout the country shows that does 
not happen consistently or rigorously 
enough, resulting in inadequate 
protection for employees. For example, 
the CDC has strongly recommended 
vaccination since vaccines became 
widely available earlier in the year, but 
many employees have yet to take this 
simple step, which would protect 
themselves and their co-workers from 
the danger of COVID–19. 
As documented in numerous peer- 
reviewed scientific publications, CDC, 
IOM, and WHO have recognized a lack 
of compliance with non-mandatory 
recommended infection-control 
practices (Siegel et al., 2007; IOM, 2009; 
WHO, 2009). As noted in the preamble 
to the Healthcare ETS, OSHA was aware 
of these findings when it previously 
concluded that an ETS was not 
necessary, but at the time of that 
conclusion, the agency erroneously 
believed that it would be able to 
effectively use the non-mandatory 
guidance as a basis for establishing the 
mandatory requirements of the General 
Duty Clause, and informing employers 
of their compliance obligations under 
existing standards. 86 FR 32421. As 
explained above, that has not proven to 
be an effective strategy. Moreover, when 
OSHA made its initial necessity 
determination at the beginning of the 
pandemic, it made an assumption that 
given the unprecedented nature of the 
COVID–19 pandemic, there would be an 
unusual level of widespread voluntary 
compliance by the regulated community 
with COVID–19-related safety 
guidelines. (See, e.g., DOL, May 29, 
2020 at 20 (observing that ‘‘[n]ever in 
the last century have the American 
people been as mindful, wary, and 
cautious about a health risk as they are 
now with respect to COVID–19,’’ and 
that many ‘‘protective measures are 
being implemented voluntarily, as 
reflected in a plethora of industry 
guidelines, company-specific plans, and 
other sources’’)). 
Since that time, however, 
developments have led OSHA to 
conclude that the same uneven 
compliance documented by CDC, IOM, 
and WHO is also occurring for the 
COVID–19 guidance issued by OSHA 
and other agencies. For example, rising 
‘‘COVID fatigue’’ or ‘‘pandemic fatigue’’ 
has been reported for nearly a year 
already—i.e., a decrease in voluntary 
use of COVID–19 mitigation measures 
over time (Meichtry et al., October 26, 
2020; Silva and Martin, November 14, 
2020; Belanger and Leander, December 
9, 2020; Millard, February 18, 2021). 
Other reasons that people have not 
followed COVID–19 guidance include 
fear of financial loss; skepticism about 
the danger posed by COVID–19; and 
even a simple human tendency, called 
‘‘psychological reactance,’’ to resist 
curbs on personal freedoms, i.e., an urge 
to do the opposite of what somebody 
tells you to do (Belanger and Leander, 
December 9, 2020; Markman, April 20, 
2020). OSHA is seeing evidence of these 
trends in its COVID–19 enforcement. 
For example, although OSHA has issued 
guidance since the spring of 2020 
encouraging the use of physical 
distancing and barriers as a means of 
protecting employees at fixed work 
locations, there have been a number of 
news reports indicating that employers 
ignore that guidance (Romo, November 
19, 2020; Richards, May 5, 2020; Lynch, 
July 9, 2020). This was evidenced by a 
cross-sectional study performed from 
late summer to early fall of 2020 in New 
York and New Jersey that found non- 
compliance and widespread 
inconsistencies in COVID–19 response 
programs (Koshy et al., February 4, 
2021). Indeed, OSHA continues to 
receive complaints and referrals 
attesting to such workplace practices. 
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(OSHA, October 17, 2021). Worse, some 
employers must now deal with 
employees who not only have yet to be 
vaccinated but compound the danger by 
hiding their unvaccinated status and 
declining to wear source protection that 
would identify them as unvaccinated, 
even though it could provide some 
protection to their coworkers, in 
workplaces where there is a stigma 
attached to being unvaccinated. (Ember 
and Murphy Marcos, August 7, 2021). 
This ETS contains notification and 
vaccine verification requirements that 
address these avoidant behaviors and 
mitigate the hazard of undisclosed 
exposure and transmission (see the 
Summary and Explanation for 
paragraphs (e), (g), and (h), Sections 
VI.E., VI.G., and VI.H. of this preamble). 
OSHA’s more recent guidance update 
encourages employers to facilitate 
employee vaccination by providing paid 
time off and encourages testing and 
masks for unvaccinated workers. 
However, as discussed previously, 
vaccination rates remain inconsistent 
across the country and have slowed 
significantly since the spring of 2021. 
And infection rates remain high, 
especially among the unvaccinated. It is 
clear, as discussed previously, that 
voluntary self-regulation by employers 
will not sufficiently reduce the danger 
that COVID–19 poses in workplaces 
covered by this standard. As noted in 
the White House Report on vaccination 
requirements released on October 7, at 
this time only 25% of businesses have 
vaccine mandates in place (White 
House, October 7, 2021). Since this ETS 
and other federal efforts to require 
vaccination were announced more 
private and public sector institutions 
have begun to prepare to implement 
vaccination requirements, further 
demonstrating the need for this rule as 
an impetus for employer action (White 
House, October 7, 2021). 
The high number of COVID–19- 
related complaints and reports that 
OSHA continues to receive on a regular 
basis suggests a lack of widespread 
compliance with existing voluntary 
guidance: From March 2020 to October 
2021, OSHA has continued to receive 
hundreds of COVID–19-related 
complaints every month, including over 
400 complaints during the month of 
August 2021, and over 450 complaints 
to date in the month of September 
(OSHA, October 11, 2021). And, as of 
October 17, OSHA has received 223 
additional COVID–19-related 
complaints. (OSHA, October 17, 2021). 
If guidance were followed more strictly, 
or if there were enough voluntary 
compliance with steps to prevent 
illness, OSHA would expect to see a 
significant reduction in COVID–19- 
related complaints from employees. 
The dramatic increases in the 
percentage of the population that 
contracted the virus during the summer 
of 2021 indicates a continued risk of 
COVID–19 transmission in workplace 
settings (for more information on the 
prevalence of COVID–19 see Grave 
Danger, Section III.A. of this preamble) 
despite OSHA’s publication of 
numerous specific and comprehensive 
guidance documents. OSHA has found 
that neither reliance on voluntary action 
by employers nor OSHA non-mandatory 
guidance is an adequate substitute for 
specific, mandatory workplace 
standards at the federal level. Public 
Citizen v. Auchter, 702 F.2d 1150 at 
1153 (voluntary action by employers 
‘‘alerted and responsive’’ to new health 
data is not an adequate substitute for 
government action). 
d. A Uniform Nationwide Response to 
the Pandemic Is Necessary To Protect 
Workers 
As the pandemic has continued in the 
United States, there has been increasing 
recognition of the need for a more 
consistent national approach (GAO, 
September, 2020; Budryk, November 17, 
2020; Horsley, May 1, 2020; DOL OIG, 
February 25, 2021). Many employers 
have advised OSHA that they would 
welcome a nationwide ETS. For 
example, in its October 9, 2020 petition 
for a COVID–19 ETS, ORCHSE 
Strategies, LLC explained that it is 
‘‘imperative’’ that OSHA issue an ETS to 
provide employers one standardized set 
of requirements to address safety and 
health for their workers (ORCHSE, 
October 9, 2020). This group of 
prominent business representatives 
explained that an ETS would eliminate 
confusion and unnecessary burden on 
workplaces that are struggling to 
understand how best to protect their 
employees in the face of confusing and 
differing requirements across states and 
localities. 
The lack of a national standard on this 
hazard has led to increasing imbalance 
in state and local regulation, a problem 
that OSHA already identified as 
concerning in its Healthcare ETS. See 86 
FR 32413 (‘‘The resulting patchwork of 
state and local regulations led to 
inadequate and varying levels of 
protection for workers across the 
country, and has caused problems for 
many employees and businesses.’’) 
Since the Healthcare ETS was 
published, states and localities have 
taken increasingly more divergent 
approaches to COVID–19 vaccination, 
vaccination verification, screening 
testing, and the use of face coverings in 
the workplace. Currently, the spectrum 
ranges from states and localities 
requiring vaccine mandates and face 
coverings to states prohibiting or 
restricting them, with many states 
falling somewhere in between. Due to 
uneven approaches to vaccination 
across the country, states with the 
lowest rates of vaccination have 
COVID–19 infection rates four times as 
high as in states with the highest 
vaccine rates. (Leonhardt, September 7, 
2021). Given that thousands of working 
age people continue to be infected with 
COVID–19 each week, many of whom 
will become hospitalized or die, OSHA 
recognizes that a patchwork approach to 
worker safety has not been successful in 
mitigating this infectious disease 
outbreak (CDC, October 18, 2021— 
Cases, By Age). It has become clear that 
a Federal standard, by way of this ETS, 
is necessary to provide clear and 
consistent protection to employees 
across the country. As explained in 
Pertinent Legal Authority (Section II. of 
this preamble) and the Summary and 
Explanation for paragraph (a) (Section 
VI.A. of this preamble), OSHA has the 
authority to comprehensively address 
the issue(s) described in this ETS, and 
the standard is intended to preempt 
conflicting state and local laws. 
In sum, based on its enforcement 
experience during the pandemic to date, 
OSHA concludes that continued 
reliance on existing standards and 
regulations, the General Duty Clause, 
and guidance, in lieu of an ETS, is not 
adequate to protect unvaccinated 
employees from the grave danger of 
being infected by, and suffering death or 
serious health consequences from, 
COVID–19. 
References 
Belanger J and Leander P. (2020, December 
9). What Motivates COVID Rule 
Breakers? Scientific American. https://
www.scientificamerican.com/article/ 
what-motivates-covid-rule-breakers/. 
(Belanger and Leander, December 9, 
2020) 
Budryk Z. (2020, November 17). Fauci calls 
for ‘a uniform approach’ to coronavirus 
pandemic. The Hill. https://thehill.com/ 
policy/healthcare/526378-fauci-calls-for- 
a-uniform-approach-to-the-coronavirus- 
pandemic?rl=1. (Budryk, November 17, 
2020) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 9). Your 
COVID–19 Vaccination. https://
www.cdc.gov/coronavirus/2019-ncov/ 
vaccines/your-vaccination.html. (CDC, 
September 9, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, October 18). COVID Data 
Tracker. https://covid.cdc.gov/covid- 
data-tracker/. (CDC, October 18, 2021) 
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Ember S and Murphy Marcos C. (2021, 
August 7). They Don’t Want the Shot. 
They Don’t Want Colleagues to Know. 
The New York Times. https://
www.nytimes.com/2021/08/07/business/ 
workplace-vaccinations-coronavirus- 
reopenings.html. (Ember and Murphy 
Marcos, August 7, 2021) 
Government Accountability Office (GAO). 
(2020, September). COVID–19: Federal 
Efforts Could Be Strengthened by Timely 
and Concerted Actions. https://
www.gao.gov/assets/710/709934.pdf. 
(GAO, September 2020) 
Horsley S. (2020, May 1). U.S. Workplace 
Safety Rules Missing in the Pandemic. 
National Public Radio. https://
www.npr.org/2020/05/01/849212026/it- 
s-the-wild-west-u-s-workplace-safety- 
rules-missing-in-the-pandemic. (Horsley, 
May 1, 2020) 
Institute of Medicine (IOM). (2009). 
Respiratory Protection for Healthcare 
Workers in a Workplace Against Novel 
H1N1 Influenza A: A letter report. The 
National Academies Press. http://
www.nap.edu/catalog/12748.html. (IOM, 
2009) 
Kaiser Family Foundation (KFF). (2021, 
October 6). Latest Data on COVID–19 
Vaccinations by Race/Ethnicity. https://
www.kff.org/coronavirus-covid-19/issue- 
brief/latest-data-on-covid-19- 
vaccinations-by-race-ethnicity/. (KFF, 
October 6, 2021) 
Koshy K et al., (February 4, 2021). 
Perspectives of region II OSHA 
authorized safety and health trainers 
about initial COVID–19 response 
programs. Safety Science 138. https://
doi.org/10.1016/j.ssci.2021.105193. 
(Koshy et al., February 4, 2021) 
Leonhardt D. (2021, September 7). One in 
5,000. The New York Times. https://
www.nytimes.com/2021/09/07/briefing/ 
risk-breakthrough-infections-delta.html. 
(Leonhardt, September 7, 2021) 
Lynch R. (2020, July 9). Orange County to 
crack down on gyms that ignore Covid- 
19 safety guidelines. Orlando Business 
Journal. https://www.bizjournals.com/ 
orlando/news/2020/07/09/orange- 
county-gyms-could-face-scrutiny-for- 
not.html. (Lynch, July 9, 2020) 
Markman A. (2020, April 20). Why are there 
still so many coronavirus skeptics? Fast 
Company. https://
www.fastcompany.com/90492518/why- 
are-there-still-so-many-coronavirus- 
skeptics. (Markman, April 20, 2020) 
McPhillips D and Cohen E. (2021, May 19). 
Uneven vaccination rates across the US 
linked to COVID–19 case trends, worry 
experts. CNN Health. https://
www.cnn.com/2021/05/19/health/ 
uneven-vaccination-rates-covid-19- 
trends/index.html. (McPhillips and 
Cohen, May 19, 2021) 
Meichtry S et al. (2020, October 26). 
Pandemic Fatigue is Real—And It’s 
Spreading; Collective exhaustion with 
coronavirus restrictions has emerged as a 
formidable adversary for governments. 
The Wall Street Journal. https://
www.wsj.com/articles/pandemic-fatigue- 
is-realand-its-spreading-11603704601. 
(Meichtry et al., October 26, 2020) 
Millard E. (2021, February 18). How to not 
let pandemic fatigue turn into pandemic 
burnout. Everyday Health. https://
www.everydayhealth.com/coronavirus/ 
how-to-not-let-pandemic-fatigue-turn- 
into-pandemic-burnout/. (Millard, 
February 18, 2021) 
Occupational Safety and Health 
Administration (OSHA). (2020, March 9). 
Guidance on Preparing Workplaces for 
Covid-19. https://www.osha.gov/sites/ 
default/files/publications/ 
OSHA3990.pdf. (OSHA, March 9, 2020 
Occupational Safety and Health 
Administration (OSHA). (2021, July 7). 
Updated Interim Enforcement Response 
Plan for Coronavirus Disease 2019 
(COVID–19). https://www.osha.gov/laws- 
regs/standardinterpretations/2021–07– 
07. (OSHA, July 7, 2021) 
Occupational Safety and Health 
Administration (OSHA). (2021, August 
13). Guidance on Preparing Workplaces 
for Covid-19. https://www.osha.gov/ 
sites/default/files/publications/ 
OSHA3990.pdf. (OSHA, August 13, 
2021) 
Occupational Safety and Health 
Administration (OSHA). (2021, August 
13). Protecting Workers: Guidance on 
Mitigating and Preventing the Spread of 
COVID–19 in the Workplace. https://
www.osha.gov/coronavirus/safework. 
(OSHA, Updated August 13, 2021) 
Occupational Safety and Health 
Administration (OSHA). (2021, October 
17). Summary Data for Federal and State 
Programs—Enforcement. https://
www.osha.gov/enforcement/covid-19- 
data#complaints_referrals. (OSHA, 
October 17, 2021) 
ORCHSE Strategies. (2020, October 9). 
‘‘Petition to the U.S. Department of 
Labor—Occupational Safety and Health 
Administration (OSHA) for an 
Emergency Temporary Standard (ETS) 
for Infectious Disease.’’ (ORCHSE, 
October 9, 2020) 
Richards C. (2020, May 5). 2 Utah County 
businesses told staff to ignore COVID–19 
guidelines, resulting in 68 positive cases. 
Daily Herald. https://
www.heraldextra.com/news/local/2- 
utah-county-businesses-told-staff-to- 
ignore-covid-19-guidelines-resulting-in- 
68-positive/article_d8426991-a693-5879- 
9d88-f9e094aef5b5.html. (Richards, May 
5, 2020) 
Romo V. (2020, November 19). Tyson 
managers suspended after allegedly 
betting if workers would contract 
COVID. National Public Radio. https://
www.npr.org/2020/11/19/936905707/ 
tyson-managers-suspended-after- 
allegedly-betting-if-workers-would- 
contract-covid. (Romo, November 19, 
2020) 
Siegel J, Rhinehart E, Jackson M, Chiarello L, 
and the Healthcare Infection Control 
Practices Advisory Committee. (2007). 
2007 Guideline for isolation precautions: 
Preventing transmission of infectious 
agents in healthcare settings. https://
www.cdc.gov/infectioncontrol/pdf/ 
guidelines/isolation-guidelines-H.pdf. 
(Siegel et al., 2007) 
Silva C and Martin M. (2020, November 14). 
U.S. Surgeon General Blames ‘‘Pandemic 
Fatigue’’ for Recent COVID–19 Surge. 
NPR. https://www.npr.org/sections/ 
coronavirus-live-updates/2020/11/14/ 
934986232/u-s-surgeon-general-blames- 
pandemic-fatigue-for-recent-covid-19- 
surge. (Silva and Martin, November 14, 
2020) 
United States Department of Labor (DOL) and 
Office of the Inspector General (OIG). 
(2021, February 25). COVID–19: 
Increased Worksite Complaints and 
Reduced OSHA Inspections Leave U.S. 
Workers’ Safety at Increased Risk. http:// 
www.oig.dol.gov/public/reports/oa/2021/ 
19-21-003-10-105.pdf. (DOL OIG, 
February 25, 2021) 
United States Department of Labor (DOL). 
(2020, May 29). In Re: American 
Federation Of Labor And Congress Of 
Industrial Organizations. Department Of 
Labor’s Response to the Emergency 
Petition for a Writ of Mandamus, No. 20– 
1158 (D.C. Cir., May 29, 2020). (DOL, 
May 29, 2020) 
White House. (2021, October 7). White House 
Report: Vaccination requirements are 
helping vaccinate more people, protect 
Americans from COVID–19, and 
strengthen the economy. https://
www.whitehouse.gov/wp-content/ 
uploads/2021/10/Vaccination- 
Requirements-Report.pdf. (White House, 
October 7, 2021) 
World Health Organization (WHO). (2009). 
WHO Guidelines on Hand Hygiene in 
Health Care: A Summary—First Global 
Patient Safety Challenge Clean Care is 
Safer Care. https://
www.ncbi.nlm.nih.gov/books/ 
NBK144013/pdf/Bookshelf_
NBK144013.pdf. (WHO, 2009) 
IV. Conclusion 
This pandemic continues to take a 
massive toll on American society, and 
addressing it requires a comprehensive 
national response. This ETS is part of 
that response. OSHA shares the nation’s 
hope for the promise of recovery created 
by the vaccines. But in the meantime, it 
recognizes that we have not yet 
succeeded in defeating the virus, and 
that many workers across the country 
are in grave danger. Therefore, this ETS, 
with mitigation measures emphasizing 
worker vaccination, is necessary. 
Although OSHA finds it necessary to 
institute specific mitigation measures 
for the immediate future, the agency can 
adjust as conditions change. Even after 
issuing an ETS, OSHA retains the 
flexibility to update the ETS to adjust to 
the subsequent evolution of CDC 
workplace guidance. This ETS 
addresses (and incorporates as a main 
component) the major development in 
infection control over the last year—the 
development and growing 
implementation of COVID–19 vaccines. 
Going forward, further developments 
can be addressed through OSHA’s 
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20 While OSHA references several employers’ 
policies, this is not intended to serve as an 
endorsement of those plans or an indication that 
those plans comply with the ETS. Rather, the plans 
and best practice documents show that developing 
and implementing policies to address employee 
COVID–19 vaccination in various workplaces is 
capable of being done in a variety of industries, and 
therefore, compliance with the ETS is 
technologically feasible. 
authority to modify the ETS if needed, 
or to terminate it entirely if vaccination 
and other efforts end the current 
emergency. However, at this point in 
time, the available evidence indicates 
that the ETS is necessary to protect 
unvaccinated employees across the 
country from the grave danger of 
COVID–19. 
IV. Feasibility 
A. Technological Feasibility 
This section presents an overview of 
the technological feasibility assessment 
for OSHA’s Emergency Temporary 
Standard (ETS) for COVID–19 that 
requires all employers with 100 or more 
employees to ensure that all employees 
are fully vaccinated unless they 
implement a policy requiring employees 
to undergo testing for COVID–19 at least 
once every seven days and wear face 
coverings. 
Technological feasibility has been 
interpreted broadly to mean ‘‘capable of 
being done’’ (Am. Textile Mfrs. Inst. v. 
Donovan, 452 U.S. 490, 509–510 
(1981)). A standard is technologically 
feasible if the protective measures it 
requires already exist, can be brought 
into existence with available 
technology, or can be created with 
technology that can reasonably be 
expected to be developed, i.e., 
technology that ‘‘looms on today’s 
horizon’’ (United Steelworkers of Am., 
AFL–CIO–CLC v. Marshall, 647 F.2d 
1189, 1272 (D.C. Cir. 1980) (Lead I)); 
Amer. Iron & Steel Inst. v. OSHA, 939 
F.2d 975, 980 (D.C. Cir. 1991) (Lead II); 
American Iron and Steel Inst. v. OSHA, 
577 F.2d 825 (3d Cir. 1978)). Courts 
have also interpreted technological 
feasibility to mean that a typical firm in 
each affected industry or application 
group will reasonably be able to 
implement the requirements of the 
standard in most operations most of the 
time (see Public Citizen v. OSHA, 557 
F.3d 165 (3d Cir. 2009); Lead I, 647 F.2d 
at 1272; Lead II, 939 F.2d at 990). 
OSHA issued an ETS in June 2021 to 
protect healthcare and healthcare 
support employees in covered 
healthcare settings from exposure to 
SARS–CoV–2. See 86 FR 32376 (June 
21, 2021) (Healthcare ETS). OSHA 
found the requirements in that ETS to 
be technologically feasible, including a 
requirement for employers to pay for 
vaccination of employees that is very 
similar to the requirement in this new 
ETS. OSHA’s finding that the 
Healthcare ETS was technologically 
feasible was primarily based on 
available evidence showing that most 
healthcare employers, and employers 
across all industry sectors, had already 
implemented, or were in process of 
implementing, procedures similar to 
those required by the Healthcare ETS. 
Similarly, OSHA’s feasibility findings 
for this ETS are based on evidence that 
vaccination and testing policies, along 
with the use of face coverings consistent 
with recommendations from the CDC, 
have been implemented in multiple 
industry sectors as testing and 
vaccinations were made more widely 
available during the course of the 
pandemic. 
As discussed in Summary and 
Explanation (Section VI. of this 
preamble), this ETS for vaccination and 
testing applies to all employers with 100 
or more employees, except as noted 
here. It does not apply to workplaces 
covered under the Safer Federal 
Workforce Task Force COVID–19 
Workplace Safety: Guidance for Federal 
Contractors and Subcontractors or 
settings where any employee provides 
healthcare services or healthcare 
support services when subject to the 
requirements of the Healthcare ETS (29 
CFR 1910.502). It also does not apply to 
employees who do not report to a 
workplace where other individuals such 
as coworkers or customers are present, 
employees while they are working from 
home, or employees who work 
exclusively outdoors. 
As noted above, OSHA has the legal 
duty to demonstrate that the average 
employer covered by this ETS can 
comply with that standard in most 
operations most of the time. This legal 
analysis is therefore focused solely on 
whether employers with 100 or more 
employees can comply with the 
standard. OSHA’s rationale for that 
scope threshold of 100 or more 
employees is explained in the Summary 
and Explanation for paragraph (b), 
Section VI.B. of this preamble. 
As discussed below, OSHA finds no 
technological feasibility barriers related 
to compliance with the requirements in 
the ETS. These requirements include 
establishing and implementing a written 
mandatory COVID–19 vaccination 
policy or alternative policy requiring 
testing and face coverings; determining 
employee vaccination status; supporting 
employee vaccination by providing paid 
time for vaccination and time off for 
recovery; ensuring that employees who 
are not fully vaccinated are tested for 
COVID–19 at least once every seven 
days and wear face coverings; and 
recordkeeping for employee vaccination 
status and testing. 
OSHA reviewed numerous large-scale 
employer surveys and vaccination and 
testing policies developed by 
employers, public health organizations, 
trade association, and local, state, and 
federal governmental bodies. While 
OSHA discusses several examples of 
these plans and policies below,20 
OSHA’s feasibility determination is 
based on all evidence in the rulemaking 
record. The majority of the survey data 
and other publicly available material 
that OSHA reviewed pertains to large 
employers with 100 or more employees. 
Additionally, OSHA thoroughly 
reviewed current and future projections 
of the availability of COVID–19 tests, 
testing supplies, and laboratory 
capacity. Based on a review of 
vaccination and testing policies among 
large employers, OSHA has determined 
that most employers covered by this 
standard across a wide range of 
industries have either already 
implemented vaccination and testing 
programs and require unvaccinated 
employees to wear face coverings, or are 
capable of implementing programs that 
comply with the requirements in the 
ETS most of the time. OSHA therefore 
finds that the standard is 
technologically feasible. 
I. Employer Policy on Vaccination 
Paragraph (d)(1) of the ETS requires 
each covered employer to establish and 
implement a written mandatory 
vaccination policy unless the employer 
adopts an alternative policy requiring 
COVID–19 testing and face coverings for 
unvaccinated employees, which is 
discussed later. To meet the definition 
of ‘‘mandatory vaccination policy’’ 
under paragraph (c), the policy must 
require: Vaccination of all employees, 
including all new employees as soon as 
practicable, other than those employees 
(1) for whom a vaccine is medically 
contraindicated, (2) for whom medical 
necessity requires a delay in 
vaccination, or (3) those legally entitled 
to a reasonable accommodation under 
federal civil rights laws because they 
have a disability or sincerely-held 
religious beliefs, practices, or 
observances that conflict with the 
vaccination requirement. 
OSHA requires employers to 
implement a mandatory vaccination 
requirement, but provides an exemption 
for an alternative policy that allows 
employees to choose either to be fully 
vaccinated or to be regularly tested and 
wear a face covering. This compliance 
options mean that the ETS is 
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21 https://www.healthaction.org/resources/ 
vaccines/covid-19-vaccines-employer-requirements- 
health-action-alliance?0405d6f4_page=1 (last 
visited October 2, 2021). 
technologically feasible if employers 
across various industries are capable of 
implementing either policy, but 
nevertheless OSHA analyzes both 
employer policy options to demonstrate 
that there are no significant 
technological barriers to either 
approach. 
OSHA reviewed several large-scale 
employer surveys related to vaccination 
policies across the country covering a 
wide range of industry sectors. Surveys 
conducted by Arizona State University 
(ASU) and the World Economic Forum 
(WEF), called COVID–19 Workplace 
Commons—Keeping Workers Well, 
show that most employers already have 
some type of vaccination policy, with 
more than 60 percent of surveyed 
employers requiring vaccinations for 
some or all employees. These survey 
results further support OSHA’s 
determination that the vaccination 
policy requirement is feasible. 
The ASU WEF workplace COVID–19 
surveys collected information from 
employers across industry sectors about 
their response to the COVID–19 
pandemic. The results and responses 
from more than 1,400 companies are 
publicly available through the ASU 
College of Health Solutions web page 
COVID–19 Diagnostics Commons (ASU, 
October 5, 2021). Case studies from 
employers are also available within the 
interactive dashboard on that web page. 
The surveys consisted of numerous 
questions about workplace pandemic 
response, including questions related to 
vaccination policies and testing 
unvaccinated employees. 
The most recent COVID–19 survey 
data was collected between August 2, 
2021 and August 20, 2021 and reported 
in September 2021 (accessible through 
the COVID–19 Workplace Commons). 
More than 1,400 companies operating 
1143 facilities in 23 industry sectors 
were part of the survey, the majority of 
which are companies of the size covered 
by the ETS. Ninety percent of facilities 
surveyed had 100 or more employees at 
their facilities, and 56% had more than 
100 but less than 1,000 employees at 
their facilities. The industry sectors 
surveyed include: Technology and 
software; business and professional 
services; manufacturing; construction; 
healthcare, hospitals, and clinics; retail 
stores; retail food stores; consumer retail 
service; energy and utilities; nonprofit 
organizations; education (colleges and 
universities); education (pre-K to 12); 
real estate and property management; 
agriculture and food production; 
healthcare services; media and 
entertainment; government and quasi- 
public; biotech, pharmaceuticals, and 
diagnostics; restaurants and food 
service; hotels and casinos; 
transportation, distribution, and 
logistics; consumer transportation; and 
recreation (ASU WEF, September 2021). 
The survey responses related to 
vaccination policies support OSHA’s 
determination that it is feasible for 
covered employers to implement 
mandatory COVID–19 vaccination 
policies. The survey results showed that 
45% of employers surveyed require all 
employees to be vaccinated against 
COVID–19, and an additional 16% 
require some of its employees to be 
vaccinated against COVID–19. (ASU 
WEF, September 2021). Only three 
percent of employers surveyed did not 
have a vaccination policy at the time 
(ASU WEF, September 2021). While this 
survey covers a wide range of industries 
it may not represent the percentage of 
companies implementing mandatory 
vaccination policies in general 
populations but for the feasibility 
purposes it demonstrates that it has and 
can be done. 
OSHA also reviewed slightly older 
survey data, which, even though it 
shows somewhat lower rates of 
employer vaccination mandates, still 
supports OSHA’s finding that such 
vaccination polices are feasible. In late 
June 2021, the National Safety Council 
(NSC) conducted three national surveys, 
one organizational and two workforce, 
of private companies, nonprofits, legal 
experts, public health professionals, 
medical professionals and government 
agencies that have addressed workforce 
COVID–19 vaccinations based on best 
practices and proven workplace safety 
strategies. The survey results show that 
many employers and organizations are 
currently requiring employees to be 
vaccinated. 
The three surveys were distributed to 
300 employers and organizations across 
the country and from a wide range of 
industries to collect data on pandemic 
response, including implementation of 
COVID–19 vaccine policies and testing 
among their workforce. Of the 
employers and organizations surveyed 
in June 2021, the NSC found that 20% 
were implementing some form of a 
worker vaccination requirement. While 
OSHA believes that the ASU WEF 
surveys (which included more 
employers and are more recent) are 
better indicators of current employer 
vaccination policies, the NSC surveys 
also support the feasibility of employer 
vaccination mandates (NSC, September 
2021) 
The NSC, in partnership with the 
Health Action Alliance (HAA) and the 
Centers for Disease Control and 
Prevention (CDC), have developed a 
multifaceted, comprehensive effort 
called SAFER, aimed at helping 
employers prioritize health and safety as 
they develop plans and polices for their 
employees to return to the workplace 
(NSC, May 17, 2021). Through SAFER, 
the NSC and HAA developed a web- 
based decision tool to guide employers 
on health, legal, and other 
considerations to prioritize the health 
and safety of workers. Due to the Delta 
Variant surge of new COVID–19 cases 
across the United States, the NSC and 
HAA revised the SAFER resources, 
including the online tool, to include 
information about employer 
requirements for COVID–19 
vaccinations. These include guides for 
developing plans and policies to 
support employee vaccination through 
mandates and incentives; the collection 
and maintenance of COVID–19 
vaccination records; and various 
considerations for testing unvaccinated 
workers. (HAA and NSC, September 17, 
2021). The availability of these publicly- 
accessible tools to help employers 
develop vaccination policies further 
reduces any potential barriers for 
covered employers to establish and 
implement a written policy requiring 
each employee to be fully vaccinated 
against COVID–19, or alternatively to 
establish a policy allowing employees to 
choose whether to be fully vaccinated or 
tested for COVID–19 at least every seven 
days and wear face coverings. 
The HAA maintains an online list of 
large companies requiring vaccinations 
for all or part of their workforce or 
customers. OSHA reviewed the list of 
companies, drawn from news reports 
and employer websites, with 
requirements for COVID–19 vaccination. 
Most of the companies listed require 
some or all employees to be vaccinated 
against COVID–19 while allowing 
medical exemptions or reasonable 
accommodations for disability or 
religious reasons. There are currently 
188 listed companies across numerous 
industry sectors, including Amtrak, 
Deloitte, Google, The Walt Disney 
Company, Walmart, and the U.S. 
Chamber of Commerce.21 
While healthcare employers subject to 
29 CFR 1910.502 are not covered by this 
ETS, a number of large healthcare 
employers have implemented 
mandatory vaccine policies. This also 
shows the feasibility of the employers 
implementing mandatory vaccination 
requirements, often on large scales. 
According to the American Hospital 
Association (AHA), over 1,800 hospitals 
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have one or more vaccination 
requirements in place (Becker’s Hospital 
Review, October 11, 2021). Large 
healthcare employers mandating that 
their employees be vaccinated include 
Kaiser Permanente, the nation’s largest 
integrated, nonprofit health care 
organization with more than 216,000 
employees and more than 23,000 
physicians (Kaiser Permanente, August 
2, 2021); Trinity Health, one of the 
largest multi-institutional Catholic 
health care delivery systems in the 
nation, with more than 123,000 
employees and 90 hospitals in 22 states 
(Trinity Health, July 8, 2021); Sanford 
Health, which operates in 26 states and 
employs nearly 50,000 people (Sanford 
Health, July 22, 2021); and Genesis 
Health Care, a large U.S. nursing home 
chain with over 40,000 employees 
working in more than 250 centers across 
23 states (Genesis Health Care, 
September 29, 2021). 
Under paragraph (d)(2), if employers 
do not establish and implement a 
written mandatory vaccination policy, 
the employer must establish and 
implement a written policy allowing 
any employees not subject to a 
mandatory vaccination policy to either 
choose to be fully vaccinated or 
regularly tested for COVID–19 and wear 
a face covering. A substantial number of 
employers already have such policies in 
place. For example, the ASU WEF 
survey shows that 30% of employers 
surveyed require unvaccinated 
employees to participate in mandatory 
COVID–19 testing and 30% of 
employers require face coverings for 
unvaccinated employees (ASU WEF, 
September 2021). 
OSHA also notes a number of state 
COVID–19 vaccination requirements. In 
response to the Delta Variant surge, 19 
states have implemented written 
COVID–19 vaccination and testing 
policies for state employees and 23 
states have done so for healthcare 
employees (NASHP, October 1, 2021). 
For example, on September 20, 2021, 
the Colorado Department of Public 
Health and Environment (CDPHE) 
implemented policies requiring state 
employees and personnel at health care 
facilities and hospitals to be fully 
vaccinated against COVID–19. All state 
employees must either be fully 
vaccinated against COVID–19 or 
participate in twice-weekly testing. 
Employees are allowed work time to get 
tested and administrative or Public 
Health Emergency Leave to get 
vaccinated. Employees who are not fully 
vaccinated must wear masks inside state 
facilities when they are around others. 
On August 30, 2021, the State Board of 
Health approved a vaccine requirement 
for personnel in health care settings 
with high-risk patients. All personnel 
affected by this rule needed to receive 
their first dose of COVID–19 vaccine by 
September 30, 2021, and must be fully 
vaccinated by October 31, 2021 (CDPHE, 
September 17, 2021). 
A number of local governments have 
also implemented policies requiring 
COVID–19 vaccination or testing for 
employees. For example, the Fulton 
County Board of Commissioners in 
Georgia recently approved a ‘‘Vax or 
Test’’ policy requiring employees to get 
vaccinated or tested for COVID–19 each 
week. Since September 6, 2021, Fulton 
County has required all County 
employees, as a condition of 
employment, to either be vaccinated 
against COVID–19 or be tested weekly 
for COVID–19 unless an employee is 
granted a reasonable accommodation 
(Fulton County Government, September 
03, 2021). The multitude of local, state, 
and employer vaccination or testing 
mandates across the country support 
OSHA’s finding that such policies are 
feasible. 
II. Determining Employee Vaccination 
Status 
Paragraph (e) of the ETS requires 
employers to determine the vaccination 
status of each employee. Employers 
must require employees to provide an 
acceptable proof of vaccination status, 
including whether they are fully or 
partially vaccinated. As discussed in 
Summary and Explanation (Section VI. 
of this preamble), acceptable proof of 
vaccination status is: (i) The record of 
immunization from a health care 
provider or pharmacy; (ii) a copy of the 
COVID–19 Vaccination Record Card; 
(iii) a copy of medical records 
documenting the vaccination; (iv) a 
copy of immunization records from a 
public health, state, or tribal 
immunization information system; or a 
copy of any other official 
documentation that contains the type of 
vaccine administered, date(s) of 
administration, and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s). A 
signed and dated employee attestation is 
acceptable in instances when an 
employee is unable to produce proof of 
vaccination. Given the attestation 
option, there are no technological 
barriers to the provision for proof of 
vaccination status. As discussed below, 
many employers requiring proof of 
vaccination have successfully 
implemented such policies even 
without allowing the flexibility of the 
attestation option. 
The employer must maintain a record 
and a roster of each employee’s 
vaccination status. This information is 
subject to applicable legal requirements 
for confidentiality of medical 
information. These records must be 
preserved while the ETS is in effect. 
OSHA is not aware of any technological 
challenges that the large employers 
covered by this ETS would face with 
respect to collecting and maintaining 
records. This is a performance-based 
requirement, meaning that employers 
have the flexibility to structure their 
systems to fit within current systems, 
such as those relating to personnel 
records, tax records, and other sensitive 
or confidential records gathered and 
maintained by large employers. 
A number of the surveys discussed 
above also show that most employers 
with vaccine mandates require proof of 
vaccination. For example, ASU WEF 
workplace COVID–19 survey from fall 
2021 found that 60% of employers that 
required vaccinations also required 
proof of vaccination from employees. 
The NSC study from June 2021 found 
that 45% of employers with COVID–19 
vaccination requirements required proof 
of vaccination, such as submitting a 
copy of the COVID–19 vaccination card. 
An additional 30% of employers 
surveyed verify employee vaccination 
status through self-reporting based on 
the honor system. 
Additionally, a large-scale survey 
conducted by the Willis Towers Watson 
consulting firm between August 18 and 
25, 2021, showed that a majority of 
employers currently track their 
employees’ vaccination status. Nearly 
one thousand employers responded to 
this survey, and they collectively 
employ 9.7 million workers from 
industries across the public and private 
sectors including manufacturing, 
general services, wholesale and retail, IT 
and telecom, healthcare, financial 
services, energy and utilities, and public 
sector and education (Willis Towers 
Watson, June 23, 2021). Nearly six in 10 
(59%) currently track their workers’ 
vaccination status and another 19% are 
planning or considering doing so later 
this year. A majority (62%) of those 
employers who currently track their 
workers’ vaccination status require 
proof of vaccination, such as CDC 
vaccination cards, while 36% rely on 
employees to self-report (Willis Towers 
Watson, September 1, 2021). 
Other evidence in the record also 
supports the feasibility both of gathering 
proof of vaccination and determining 
employees’ vaccination status. Many 
large employers with vaccination 
policies require employees to submit 
proof of vaccination. For example, 
Tyson Foods requires employees to 
submit proof of vaccination to Tyson 
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Foods Vaccination Verification Program 
in order to qualify for the company’s 
vaccination incentive (Tyson Foods, 
August 3, 2021). Similarly, Capital One 
bank requires all employees, 
contractors, vendors, and visitors to 
Capital One facilities to show proof of 
vaccination. (Capital One, August 11, 
2021). The International Union of 
Painters and Allied Trades (IUPAT), 
which represents 140,000 craftspeople 
in the U.S. and Canada and has 
implemented vaccine requirements for 
its members, also requires all of its own 
non–bargaining unit office and field 
employees to show proof of vaccination. 
(IUPAT, May 10, 2021). 
CVS Health, a health conglomerate 
with more than 300,000 employees, 
including more than 40,000 physicians, 
pharmacists, nurses and nurse 
practitioners, has mandated COVID–19 
vaccination for its nurses, pharmacists 
and other employees who interact with 
patients and requires proof of 
vaccination for those employees (CVS 
Health, August 23, 2021). 
The surveys and employer policies 
reviewed by OSHA all support the 
agency’s finding that it is feasible for 
employers to determine their 
employees’ vaccination status and 
collect proof of vaccination. 
III. Providing Support for Vaccination 
Paragraph (f) of the ETS requires 
employers to support COVID–19 
vaccination for each employee by 
providing a reasonable amount of time 
to each employee for vaccination and 
reasonable time and paid sick leave to 
each employee for side effects 
experienced following vaccination. The 
feasibility of paying for the time is 
addressed in OSHA’s economic 
analysis. 
This technological feasibility 
determination focuses on whether 
employers would encounter obstacles in 
implementing payment policies that 
would make this requirement infeasible 
for the large employers covered by this 
ETS. OSHA has determined that there 
are no such obstacles. Most 
significantly, OSHA has already 
required this type of system for 
employers covered by the Healthcare 
ETS and nearly four months after that 
ETS took effect, OSHA is not aware that 
employers covered by that ETS 
experienced any technological 
compliance difficulties with respect to 
that requirement. In addition, many 
employers have already implemented 
policies such as those required to 
comply with this new ETS as a way of 
incentivizing employee vaccination. For 
example, the ASU WEF workplace 
COVID–19 survey from fall 2021 found 
that 60% of employers surveyed offered 
incentives for employees to be 
vaccinated. These incentives ranged 
from additional paid time off, cash, the 
ability to bypass regular testing and/or 
daily health screening requirements, 
and gifts. Eighteen percent of surveyed 
employers already provide additional 
time off for COVID–19 vaccination. 
Moreover, the NSC survey found that 
86% of surveyed organizations had 
implemented policies such as paid time 
off, assistance with scheduling and 
transportation, and/or onsite 
vaccination. 
OSHA’s review of plans and best 
practice documents from the HAA 
registry and from other publicly- 
available sources also inform OSHA’s 
finding that it is feasible for large 
employers to support employee 
vaccination (HAA, October 10, 2021). 
As part of this review, OSHA analyzed 
the ways that employers are currently 
supporting employee vaccination. One 
employer in the restaurant industry, the 
Fifty/50 Group, a Chicago-based 
restaurant group comprised of 14 
establishments that requires employees 
to be fully vaccinated, offers paid time 
off for anyone getting a vaccine or 
feeling the mild after-effects. (Fifty/50 
Group, May 18, 2021). Another 
employer in the animal slaughtering and 
processing industry, Tyson Foods, 
requires COVID–19 vaccinations for its 
U.S. workforce and also offers $200 and 
up to four hours of regular pay if 
employees are vaccinated outside of 
their normal shift or through an external 
source (Tyson Foods, August 3, 2021). 
In addition, Tyson Foods supports 
onsite vaccination events in 
collaboration with local health 
departments and healthcare providers to 
improve accessibility to vaccination. 
Tyson Foods has hosted more than 100 
vaccination events at its locations across 
the country. 
The evidence in the record 
demonstrates that many employers are 
already offering the types of vaccination 
support required by paragraph (f). 
Combined with OSHA’s previous 
finding for a similar provision in the 
Healthcare ETS and the lack of 
compliance difficulties reported while 
that ETS has been in effect, OSHA 
therefore finds this requirement is 
technologically feasible. 
IV. COVID–19 Testing for Employees 
Who Are Not Fully Vaccinated 
Paragraph (g) of the ETS requires 
employers to ensure that employees 
who are not fully vaccinated and who 
report at least once every seven days to 
a workplace where other individuals 
such as coworkers or customers are 
present are: (1) Tested for COVID–19 at 
least once every seven days; and (2) 
provide documentation of the most 
recent COVID–19 test result to the 
employer no later than the seventh day 
following the date the employee last 
provided a test result. Employers must 
also ensure that employees who are not 
fully vaccinated and do not report 
during a period of seven or more days 
to a workplace where other individuals 
are present are: (1) Tested for COVID– 
19 within seven days prior to returning 
to the workplace; and (2) provide 
documentation of that test result upon 
return to the workplace. 
Employees who are not fully 
vaccinated must be tested with a 
COVID–19 test, which is a test for 
SARS–CoV–2 that is: (i) Cleared, 
approved, or authorized, including in an 
Emergency Use Authorization (EUA) by 
the U.S. Food and Drug Administration 
(FDA) to detect current infection with 
the SARS–CoV–2 virus (e.g., a viral 
test); (ii) administered in accordance 
with the authorized instructions; and 
(iii) not both self-administered and self- 
read unless observed by the employer or 
an authorized telehealth proctor. 
Examples of tests that satisfy this 
requirement include tests with 
specimens that are processed by a 
laboratory (including home or on-site 
collected specimens which are 
processed either individually or as 
pooled specimens), proctored over-the- 
counter tests, point of care tests, and 
tests where specimen collection is either 
done or observed by an employer. 
COVID–19 testing has become more 
widely available throughout the 
pandemic and as of September 2021, the 
FDA has authorized approximately 250 
tests and collection kits that diagnose 
current infection with the SARS– 
CoV–2 virus and may be acceptable 
under the ETS (FDA, September 10, 
2021), and by October 1, 2021, the 
number of EUAs issued had grown to 
324 (FDA, October 1, 2021). The ETS 
permits compliance through use of a 
wide range of FDA-authorized tests that 
are readily available, so there is little 
doubt that testing itself is 
technologically feasible. 
This technological feasibility analysis 
therefore focuses on whether testing 
will continue to be readily available in 
quantities sufficient to meet the 
potential increase in testing demand 
while this ETS is in place. Given the 
wide variety of tests that can be used to 
comply with this ETS and OSHA’s 
review of information about the existing 
manufacturing and distribution 
capabilities of test manufacturers, the 
agency does not anticipate feasibility 
issues related to ensuring that 
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employees can get access to one of the 
acceptable tests within the time frames 
required by the ETS. 
a. Brief Overview of Testing and 
Administration 
COVID–19 tests that are cleared, 
approved, or authorized, including in an 
Emergency Use Authorization (EUA), by 
the FDA to detect current infection with 
the SARS–CoV–2 virus (e.g., a viral test) 
satisfy the ETS. FDA-cleared, approved, 
or authorized molecular diagnostic tests 
and antigen tests are permitted under 
the ETS when used as authorized by the 
FDA and with a Clinical Laboratory 
Improvement Amendments of 1988 
(CLIA) certification when appropriate. 
As described in the Summary and 
Explanation for paragraph (g) (Section 
VI.G. of this preamble), NAATs are a 
type of molecular test that detect genetic 
material. As of October 14, 2021, the 
FDA had issued EUAs for 264 molecular 
COVID–19 tests including tests 
specified to be used ‘‘with certain 
conditions of authorization required of 
the manufacturer and authorized 
laboratories’’, 81 of which are 
authorized for home collection. 
Additionally, the FDA has issued EUAs 
for 2 OTC molecular COVID–19 test kits 
available without a prescription (FDA, 
October 14, 2021b). 
NAATs, such as real-time reverse 
transcription-polymerase chain reaction 
(RT–PCR), have greater accuracy than 
antigen tests. However, most FDA- 
authorized NAATs need to be processed 
in a laboratory certified under the 
Clinical Laboratory Improvement 
Amendments of 1988 (referred to as a 
‘‘CLIA-certified laboratory’’) with 
variable time to results (∼1–2 days). 
While the NAAT test is a more reliable 
test, the antigen test is faster and less 
expensive. 
An antigen test is an in vitro 
diagnostic test used to detect active 
SARS–CoV–2 infection. As of October 
14, 2021, the FDA had issued 37 EUAs 
for COVID–19 antigen tests, including 
eight EUAs for over-the-counter (OTC) 
antigen tests that can be used without a 
prescription (FDA, October 14, 2021a). 
Administration of an antigen test that 
meets the definition of COVID–19 test 
under this ETS falls into one of several 
categories: OTC employee self-tests that 
are observed by employers or authorized 
telehealth proctors; point-of-care (POC) 
or OTC tests performed by employers 
with a CLIA certificate of waiver; and 
other FDA cleared, approved, or 
authorized antigen tests that are 
analyzed in a CLIA certified laboratory 
setting (FDA, October 14, 2021a). The 
FDA has authorized POC tests that can 
be used at a place of employment when 
the facility is operating under a CLIA 
certificate of waiver. A CLIA certificate 
of waiver can be issued by CMS and 
may, when consistent with FDA’s 
authorization, allow a laboratory to run 
a SARS–CoV–2 test outside a high or 
moderate complexity traditional clinical 
laboratory setting (CDC, September 9, 
2021). In accordance with the CLIA 
certificate of waiver, the laboratory or 
POC testing site must use a test 
authorized for that location, like an FDA 
EUA POC test, and must adhere to the 
authorized test instructions to avoid 
human error. Certain COVID–19 antigen 
diagnostic tests can be analyzed on-site 
(where the person took the nasal swab) 
when that facility is operating under a 
CLIA certificate of waiver, while others 
must be analyzed in a CLIA certified 
high or moderate complexity laboratory 
setting. Some COVID–19 antigen 
diagnostic tests are authorized for use at 
home, without the need to send a 
sample to a laboratory. Antigen tests 
generally return results in 
approximately 15–30 minutes. The CDC 
provides training materials created by 
test manufacturers for POC antigen 
testing and reading of results for SARS– 
CoV–2 (CDC, July 8, 2021). 
COVID–19 antigen diagnostic tests are 
found at physician offices; urgent care 
facilities; pharmacies, such as CVS or 
Walgreens; school health clinics; long- 
term care facilities and nursing homes; 
temporary locations, such as drive- 
through sites managed by local 
organizations; and other locations across 
the country (CDC, July 8, 2021; CVS 
Health, October 2021; Walgreens, 
October 8, 2021). The availability of 
government-offered antigen tests varies 
by state, and may be free or subsidized 
and accessible without a prescription or 
physician note (RiteAid, October 2021; 
Walgreens, October 2021; HHS, June 11, 
2021). The Department of Health and 
Human Services (HHS) provides a 
publicly-available list of community- 
based testing locations in each state that 
offer free COVID–19 testing for insured 
and uninsured residents (HHS, August 
17, 2021). Pharmacies and other 
locations often provide antigen tests by 
appointment, although some will allow 
testing for walk-ins (CVS Health, 
September 2021; Walgreens, October 8, 
2021). COVID test kits are currently 
available from several on-line retailers 
(Amazon, October 12, 2021). 
b. Testing Frequency 
The ASU WEF survey data also 
supports OSHA’s finding that the 
requirement for employees who are not 
fully vaccinated to be tested at least 
every seven days is feasible. The ASU 
WEF found that 73% of survey surveyed 
employers (797 employers) had testing 
policies for their workforce, and 76% of 
those employers had implemented 
mandatory testing requirements. 
Additionally, 25% of employers with 
testing polices had implemented 
requirements for routine testing of a 
portion of or the entire workforce, and 
41% no longer require testing for fully 
vaccinated employees. Of the employers 
that test employees, 27% of those 
perform viral testing daily and 46% 
perform viral test once a week. Finally, 
38% of companies exclusively 
administer polymerase chain reaction 
(PCR) tests (PCR tests are a type of 
NAAT), 17% exclusively administer 
antigen tests, and 45% administer both. 
Companies administer a range of 
COVID–19 tests and conduct testing at 
a variety of locations (some companies 
use more than one location). Forty-two 
percent of companies test workers at 
health testing laboratories, 35% test 
onsite at work, 28% test at hospitals, 
23% test at retail pharmacies, 13% test 
at universities, 9% test at home to be 
sent a lab for evaluation, and 5% test at 
home for immediate results (ASU WEF, 
September 2021). 
OSHA also evaluated evidence of 
employers’ current testing efforts by 
reviewing existing COVID–19 practices 
developed by employers, trade 
associations, and other organizations. 
Based on its review, OSHA concludes 
that it is feasible for most covered 
employees (and therefore their 
employers) to be tested in compliance 
with the ETS requirements for 
frequency of testing. 
OSHA notes that there are several 
options for large employers to consider 
if they want to help facilitate testing for 
employees who are not vaccinated. 
Delta Airlines, for example, currently 
requires weekly COVID–19 testing for 
all of its employees who are not 
vaccinated, and the company has 
engaged the Mayo Clinic Laboratories to 
help design the employee testing 
program, assist in administering 
diagnostic and serology tests, and 
analyze the results to determine broader 
trends and provide recommendations to 
Delta’s existing policies and procedures 
(Mayo Clinic Laboratories, June 30, 
2020). Delta Airlines also operates 
onsite testing in cities with large 
employee populations including 
Atlanta, Minneapolis, and New York. It 
recently extended an at-home specimen 
collection option to all U.S. employees, 
through which Quest Diagnostics will 
send self-collection kits directly to an 
employee’s doorstep upon request and 
support complete laboratory 
confirmation for results (Delta, August 
25, 2021). 
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c. Availability of COVID–19 Tests 
In the spring and early summer 
months of 2021, demand for tests 
decreased as vaccinations began to 
increase and the number of COVID–19 
cases declined before the Delta surge 
and some manufacturers slowed 
production of COVID–19 tests. 
However, the number of tests performed 
daily has grown considerably over the 
summer due to the Delta Variant surge 
and re-openings of workplaces and 
schools. In parallel with the Delta surge, 
COVID–19 testing has increased from a 
daily average of about 450,000 in early 
July 2021 to about 1.8 million by mid- 
September 2021, or roughly 12.6 million 
per week (JHU, October 8, 2021). This 
data does not include any self- 
administered OTC tests, which will be 
discussed below. 
OSHA’s review of the evidence shows 
that the increasing rate of production of 
COVID–19 tests is more than adequate 
to meet rising demand related to 
compliance with the ETS testing option 
before the 60-day delayed testing 
compliance date (see paragraph 
(m)(2)(ii)). This determination is largely 
based on the number of tests with FDA 
EUAs actively being produced through 
the National Institutes of Health (NIH) 
Rapid Acceleration of Diagnostics 
(RADx) initiative described below. 
According to the Johns Hopkins 
University of Medicine Coronavirus 
Resource Center, the total tests 
administered in August 2021 was 
approximately 44.4 million (or 
approximately 11.1 million per week). 
Id. During that same month, the total 
tests produced by the NIH RADx 
contracts was approximately 121 
million (which would average to 30.25 
million per week), resulting in a 
substantial surplus of available tests 
(NIBIB, September 28, 2021). As 
discussed in Economic Analysis, 
Section IV.B. of this preamble, Table 
IV.B.8, OSHA estimates that as many as 
7.2 million tests may be administered 
weekly under this standard; however, 
7.2 million is almost certainly an 
overestimate because it does not 
exclude employees who are already 
required to be tested by their employers 
and would continue to be tested at the 
same frequency after the ETS. Even if 
testing is increased by 7.2 million tests 
per week because of the ETS, that would 
still mean a surplus of nearly 12 million 
tests per week beyond what would be 
need to continue at current testing 
levels with the addition of ETS-related 
tests (30.25 ¥ 11.1 ¥ 7.2 = 11.95 
million surplus per week). 
The total number of tests 
administered during June, July, and 
August 2021, the period of the summer 
including the Delta Variant surge and 
other reasons for substantial testing 
increases such as re-opening of schools, 
was approximately 87 million tests, an 
average of approximately 6.7 million per 
week (JHU, October 8, 2021). During 
that period, more than 400 million 
COVID–19 tests were produced through 
the NIH RADx initiative, or roughly 33 
million per week. OSHA anticipates that 
this surplus of tests will continue to 
increase the availability of tests that can 
be used to comply with the ETS. 
The data from the Johns Hopkins 
Coronavirus Resource Center is 
collected from state and county 
government sources, so it does not 
include any self-administered OTC 
tests. Additionally, while all states 
report PCR testing, not all states report 
antigen testing. Nevertheless, the data 
from Johns Hopkins Coronavirus 
Resource Center is the best available 
evidence from which to estimate the 
total number of tests administered 
during a given period of time. Even 
though the number of administered tests 
reported through the Johns Hopkins 
Coronavirus Resource Center does not 
include unreported OTC tests, the NIH 
RADx program data shows a large 
surplus and sufficient additional 
COVID–19 test capacity relative to the 
number of administered tests reported. 
Additionally, the NIH RADx program 
will further allow for increased test 
distribution through retail markets and 
will address any increase in demand 
due to companies that may stockpile 
tests. This increased availability will 
strengthen test capacity, further 
enabling compliance with the ETS 
testing provision (NIBIB, September 28, 
2021). OSHA has determined that even 
with an estimated additional 7.2 million 
tests administered weekly due to the 
ETS (see Economic Analysis (Section 
IV.B. of this preamble)), there are 
sufficient COVID–19 tests available to 
allow for both employers and employees 
to obtain COVID–19 tests through a 
variety of retail sources (e.g., local 
pharmacies, on-line purchasing as 
discussed above). 
Determinations of testing capacity are 
aggregate measures of domestic and 
global market and supply chains. 
Throughout the pandemic, diagnostic 
testing capacity has been stressed by the 
increased demand, as some products 
that are part of a global market cannot 
adapt by simply increasing 
manufacturing in one country (e.g., 
laboratory instruments), and other 
products manufactured domestically 
require capital investments to address 
rising demands (e.g., extraction kits) 
(CRS, February 25, 2021). As discussed 
below, because of the substantial 
investments made, OSHA projects that 
the diagnostic testing capacity can meet 
the increased demand due to this ETS. 
OSHA evaluated multiple projections 
of current and future testing capacity 
and determined that projections related 
to the NIH initiatives discussed below 
are the most reliable estimates of current 
and future testing capacity for its 
technological feasibility assessment. 
Test manufacturers receiving NIH, FDA, 
and Biomedical Advanced Research and 
Development Authority (BARDA) (a 
component of HHS) funding as part of 
these programs undergo a submission 
and authorization process where their 
production capacity and pipeline are 
assessed and production quantities are 
validated. As explained below, as of 
August 2021, the NIH data indicates 
testing capacity stands at about 30 
million tests per week, and capacity 
continues to grow (NIBIB, September 
28, 2021). OSHA notes that this number 
underestimates the total number of tests 
available each week, as it only includes 
companies that have received funding 
for tests and testing supplies through 
the NIH initiatives described below. 
The NIH has identified constraints on 
testing capacity as an area of focus and 
investment since the beginning of the 
COVID–19 pandemic, and OSHA 
examined potential constraints on 
testing capacity as part of its feasibility 
analysis. As described below, massive 
investments in testing capabilities, 
particularly in underserved areas, have 
largely mitigated issues with the 
availability of COVID–19 tests. Further, 
testing capacity continues to grow as 
new tests are developed and brought to 
market and manufacturers can ramp up 
supply to meet any future testing 
demands if need be. 
The FDA has authorized more than 
320 tests and collection kits that 
diagnose current infection with the 
SARS–CoV–2 virus and may be 
acceptable under the ETS (FDA, October 
1, 2021). Among other criteria, the 
standard allows for the use of tests with 
specimens that are processed by a CLIA 
certified laboratory (including home or 
on-site collected specimens which are 
processed either individually or as 
pooled specimens), proctored over-the- 
counter tests, point of care tests, and 
tests where specimen collection and 
processing is either done or observed by 
an employer. As explained above, many 
employers across various industry 
sectors have already implemented 
policies for onsite testing. The use of 
FDA-authorized POC tests by these 
employers would be compliant with the 
testing provision of the ETS if the entity 
administering the test holds a CLIA 
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certificate as required by the EUA. 
COVID–19 OTC tests that are both self- 
administered and self-read by 
employees do not satisfy the testing 
requirement unless observed by the 
employer or an authorized telehealth 
proctor. In the event that the employer 
is merely observing the employee 
conduct a test, a CLIA certificate would 
not be needed. 
There have been extensive 
investments, including by the federal 
government, to help ensure that COVID– 
19 tests are widely available. Section 
2401 of the American Rescue Plan 
appropriated $47,800,000 to the 
Secretary of the HHS, to remain 
available until expended, to carry out 
activities to detect, diagnose, trace, and 
monitor SARS–CoV–2 and COVID–19 
infections and related strategies to 
mitigate the spread of COVID–19. Funds 
were made available to implement a 
national testing strategy; provide 
technical assistance, guidance, support, 
and awards grants or cooperative 
agreements to State, local, and territorial 
public health departments; and support 
the development, manufacturing, 
procurement, distribution, and 
administration of tests to detect or 
diagnose SARS–CoV–2 and COVID–19; 
and establish federal, state, local and 
territorial testing capabilities. 
On April 29, 2020, the NIH 
established the RADx initiative with a 
$1.5 billion investment. The RADx 
initiative has used this funding to speed 
development of rapid and widely- 
accessible COVID–19 testing (NIH, April 
29, 2020). On October 6, 2020, the NIH 
and BARDA established the RADx 
Technology (RADx-Tech) and RADx 
Advanced Technology Platforms (RADx- 
ATP) programs to speed innovation in 
the development, commercialization, 
and implementation of technologies for 
COVID–19 testing specifically for late- 
stage scale-up projects. Through the 
RADx Tech and RADx-ATP programs, 
the NIH and BARDA have awarded a 
total of $476.4 million in manufacturing 
expansion contracts supporting a 
combined portfolio of 22 companies in 
the U.S. (NIH, October 6, 2020). 
These programs have significantly 
increased testing capacity throughout 
the country. Since being established, 
RADx has worked closely with the FDA, 
the CDC, and BARDA to move more 
advanced diagnostic technologies 
swiftly through the development 
pipeline toward commercialization and 
broad availability. On April 28, 2021, 
the Institute of Electrical and Electronic 
Engineers (IEEE) dedicated a special 
issue in the Journal of Engineering in 
Medicine and Biology exploring the 
innovative structure and operation of 
the RADx Tech program and determined 
that the initiatives had succeeded in 
dramatically increasing COVID–19 
testing capacity in the United States. 
The IEEE report found that the RADx 
Tech/ATP programs, in conjunction 
with BARDA and the FDA, had 
streamlined and bolstered the national 
COVID–19 testing capacity. At the time 
of the report, the RADx Tech/ATP 
programs had increased the number of 
testing makers to 150 companies that, as 
a result of the NIH/BARDA investments, 
had the capacity to produce up to 1.9 
million tests per day (IEEE, April 28, 
2021). 
The NIH RADx-TECH/ATP initiative 
entered its second phase on September 
28, 2021, and at that time the supported 
companies had collectively produced 
over 500 million tests, received 27 FDA 
authorizations, and developed the first 
OTC COVID–19 test for use at home. 
These September 2021 investments are 
supporting late stage development of 
innovative point-of-care and home- 
based tests, as well as improved clinical 
laboratory tests that will increase the 
capacity of testing in the U.S. A full list 
of active contracts and supported U.S. 
COVID–19 testing manufacturers can be 
found on the NIH RADx-TECH/ATP 
programs: Phase 2 awards (NIBIB, 
October 14, 2021). 
The following example shows the NIH 
RADx EUA pipeline process. On May 9, 
2020, the FDA authorized the first EUA 
for a COVID–19 antigen test, a new 
category of tests for use in the ongoing 
pandemic. Quidel was awarded a 
contract under the NIH RADx TECH/ 
ATP phase 1 initiative for the Sofia 2 
SARS Antigen FIA for use in high and 
moderate complexity laboratories 
certified by CLIA, as well as for point- 
of-care testing by facilities operating 
under a CLIA certificate of waiver (FDA, 
May 9, 2020). On July 31, 2020, Quidel 
announced that it had received a 
contract for $71 million under the NIH 
RADx TECH/ATP program, phase 1, to 
accelerate the expansion of its 
manufacturing capacity for production 
of the SARS–CoV–2 rapid antigen test 
and quickly exceeded that capacity 
(Quidel Corp., July 31, 2020). On March 
31, 2021, the FDA then authorized a 
second EUA from Quidel under contract 
with the NIH RADx initiative for the 
QuickVue At-Home OTC COVID–19 
Test, another antigen test where certain 
individuals can rapidly collect and test 
their sample at home, without needing 
to send a sample to a CLIA certifed 
laboratory for analysis (FDA, March 31, 
2021). Furthermore, based on the 
success of the Quidel for the Sofia 2 
SARS Antigen FIA increasing 
production capacity, the NIH granted 
another $70 million contract for 
manufacturing Capacity Scale-Up for 
Sofia SARS Antigen and Sofia Influenza 
A+B/SARS FIAs on June 11, 2021 (FDA, 
June 11, 2021). 
The RADx-TECH/ATP initiative 
maintains a dashboard of manufacturer 
testing data from supported U.S. firms. 
OSHA reviewed the data available on 
the dashboard as part of its 
determination of feasibility. In August 
2021, the data showed that U.S. 
manufacturers supported by the NIH 
RADx-TECH/ATP were producing 
approximately 30 million tests per week 
(NIBIB, September 28, 2021). 
While consumers in some parts of the 
country have encountered difficulty 
obtaining rapid at-home tests, on 
October 4, 2021, the FDA granted EUA 
for the ACON Laboratories Flowflex 
COVID–19 Home Test, which is 
anticipated to double rapid at-home 
testing capacity in the United States 
within weeks (and well before 
compliance dates for testing required by 
this ETS) (FDA, October 4, 2021). By the 
end of the 2021 (ahead of the paragraph 
(g) compliance date), the manufacturer 
plans to produce more than 100 million 
tests per month and plans to produce 
more than 200 million tests per month 
by February 2022 (FDA, October 4, 
2021). On October 6, 2021, the 
Administration announced a plan to 
buy $1 billion worth of rapid at-home 
COVID–19 tests; this purchase, coupled 
with the October 4 authorization of the 
Flowflex COVID–19 test, is expected to 
increase the number of available at- 
home COVID–19 tests to 200 million per 
month by December 2021 (Washington 
Post, October 6, 2021). 
These investments have had a 
pronounced impact on the availability 
of testing and employers’ use of testing 
in the workplace. ASU’s recent report, 
How Work has Changed: The Lasting 
Impact of COVID–19 on the Workplace, 
ascribed the jump in the percentage of 
employers that test their employees 
from 17% in the fall of 2020 to 70% in 
the fall of 2021 in large part to the 
increased availability of testing. In 
particular, the report noted that by the 
spring of 2021, ‘‘it became relatively 
easy to acquire tests and hire testing 
service providers. There are more labs 
and companies with EUA’s and most 
have enough capacity that there are few 
shortages.’’ (ASU WEF, September 
2021). 
Moreover, to ensure a broad, 
sustained capacity for COVID–19 test 
production, multiple COVID–19 test 
manufacturers have been mobilized by 
authority of the Defense Production Act. 
Under the Administration’s plan to 
increase COVID–19 testing, the federal 
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government will directly purchase and 
distribute 280 million- rapid point-of- 
care and over-the-counter at-home 
COVID–19 tests, sending 25 million free 
at-home rapid tests to community health 
centers and food banks. These actions 
will provide tests for use by 
communities to build adequate 
stockpiles, as well as the sustained 
production to be able to scale up 
production as needed in the future. 
Additionally, to ensure convenient 
access to free testing, 10,000 pharmacies 
will be added to the Department of 
Health and Human Services free testing 
program. 
In response to rising demands for 
testing, U.S. manufacturers have 
increased production of COVID–19 test 
kit, reagents, and supplies. Advanced 
Medical Technology Association 
(AdvaMed), a trade group for testing 
manufacturers, reported that its 
members are ramping up production of 
rapid point-of-care test supplies to meet 
demand and that laboratory-based 
testing capacity for test confirmation is 
strong. AdvaMed has created a national 
COVID–19 Diagnostic Supply Registry 
of COVID–19 test manufacturers that 
support state and federal governments 
in their pandemic responses. Registry 
participants are thirteen leading 
diagnostic manufacturers whose tests 
together comprise approximately 75– 
80% of the COVID–19 in vitro 
diagnostic devices (IVD) on the market 
in the U.S. While these manufacturers 
produce a majority of molecular 
COVID–19 tests, they do not produce a 
majority of the total COVID–19 tests 
manufactured. These COVID–19 test 
manufacturers collectively shipped 
approximately 3.8 million tests in July 
2021, 8.2 million tests in August 2021, 
and 9.4 million molecular tests for the 
week ending September 4th, 2021 
(AdvaMed, September 10, 2021). While 
these figures are not representative of 
the total weekly testing capacity in the 
U.S., this data demonstrates that testing 
capacity has grown significantly over 
the past few months and reflects the 
success manufacturers have had in 
ramping up production of tests. 
While current test availability is 
sufficient to meet the increased testing 
demands due to the ETS, OSHA is also 
confident that the RADx-TECH/ATP 
initiatives will continue to spur testing 
capacity and growth. The RADx-TECH/ 
ATP initiatives have focused on moving 
test makers’ products through the late 
stage pipeline and securing FDA 
authorization for entry into the market. 
So far, there have been 27 such 
authorizations. As of September 2021, 
there were 824 eligible late-stage scale 
up proposals from various test makers 
up for review for NIH/BARDA funding. 
Furthermore, 517 of these submissions 
are for the authorization and production 
of multiple types of COVID–19 tests 
including one or more of the following: 
Blood, sputum, nasal swab, oral swab, 
fecal, saliva, or other types. OSHA 
considers this to be further support for 
its determination that testing capacity 
will continue to grow and that increased 
COVID–19 testing supplies are on the 
horizon (NIBIB, September 28, 2021). 
Based on data from the Johns Hopkins 
Coronavirus Resource Center, which 
examined publicly-available data from 
multiple sources, approximately 12.4 
million tests were conducted during the 
week of August 26–September 2, 2021. 
As noted earlier, in the economic 
analysis of this ETS, OSHA projects 
testing rates to increase by 
approximately 7.2 million tests per 
week starting 60 days after publication 
of the ETS. As described above, many 
employers are currently testing their 
workforce. This 7.2 million is almost 
certainly an overestimate because it 
does not exclude employees who are 
already required to be tested by their 
employers and would continue to be 
tested at the same frequency after the 
ETS. The data reviewed by OSHA on 
the RADx-TECH/ATP Dashboard shows 
that the manufacturers supported by the 
initiative are producing approximately 
30 million tests per week, and capacity 
continues to grow. As explained above, 
it is expected that roughly 50 million at- 
home COVID–19 tests will be available 
each week by December 2021. OSHA 
therefore finds that there are (and will 
continue to be) sufficient COVID–19 
tests available to meet the anticipated 
demand related to compliance with 
paragraph (g) by the 60-day delayed 
compliance date. 
d. Availability of COVID–19 Test 
Supplies 
OSHA has also analyzed the 
availability of COVID–19 test supplies 
for use by COVID–19 test kit 
manufacturers, diagnostic laboratories, 
and determined that there are sufficient 
supplies to allow compliance with the 
ETS testing option. The COVID–19 
pandemic and recent Delta Variant 
surge have caused some disruptions in 
the availability of testing supplies such 
as swabs, viral transport medium, RNA 
extraction kits, serology consumables, 
diagnostic reagents, plastic 
consumables, and diagnostic 
instruments. The COVID–19 testing 
supply market is driven by the need to 
rapidly screen large segments of the 
population and deliver test results. The 
data presented throughout this 
assessment has shown demand for 
laboratory COVID–19 tests is rising 
across the country. 
Testing for COVID–19 involves many 
different components that are 
manufactured, transported, and used 
independently (e.g., bulk solvents, 
extracting reagents, packaging) or semi- 
independently (e.g., test kits). Most of 
the supplies used in COVID–19 testing 
are disposable, requiring a constant 
sustained capacity for new supplies. 
Some distribution channels move 
supplies directly to medical and 
laboratory end-users and others move 
supplies through distributors. In either 
case, the combination of increased 
testing demand and the established 
supply chains indicate that testing kits 
will be available in sufficient quantities 
throughout the country, including in 
rural areas where large employers may 
be located. 
There have been substantial 
investments from federal and state 
programs and private industry to 
stimulate the production and 
distribution of testing supplies to bolster 
testing capacity across the country. 
Many products, such as swabs and 
reagents for RNA extraction kits, 
exhibited rising demand and, at some 
point during the pandemic, were subject 
to shortages that threatened continued 
testing capacity. For example, there was 
only one domestic manufacturer of 
medical grade flocked swabs, Puritan 
Medical Products Company of Guilford, 
Maine, and the company’s pre- 
pandemic capacity was insufficient to 
meet demand of increased testing in the 
early period of the COVID–19 pandemic 
(Puritan Products, April 20, 2020). On 
July 29, 2020, the Department of 
Defense (DOD), in coordination with the 
Department of Health and Human 
Services, awarded $51.15 million to 
Puritan to expand industrial production 
capacity of flock tip testing swabs (DOD, 
July 31, 2020). On March 26, 2021, 
Puritan was awarded another $146.77 
million to increase the company’s total 
production capacity to 250 million foam 
tip swabs per month at its Tennessee 
facility by February 2022 (DOD, March 
29, 2021). 
Other private sector companies were 
mobilized to change the products they 
manufactured to accelerate production 
of COVID–19 test components, such as 
swabs, reagents, and solvents for RNA 
extraction kits. For example, 
Microbrush, a U.S.-based manufacturer 
of sterile applicators for the dental 
industry, began production of a 
nasopharyngeal test swab to meet the 
growing demand for COVID–19 testing 
requirements in July 2020. The 
Microbrush test swabs are sterilized and 
individually packaged in a medical- 
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grade pouch intended for 
nasopharyngeal sample collection such 
as in dental procedures and also 
COVID–19 testing (Microbrush, July 1, 
2020). 
RNA extraction kits are used by the 
majority of NAAT protocols. These kits 
are sets of consumable plastic laboratory 
materials (small centrifuge tubes, filters, 
and collection vials) and chemical 
reagents (solutions for breaking the 
virus apart and purification) assembled 
by a manufacturer. Each kit has enough 
materials to process several dozen 
samples. The use of RNA extraction kits 
is not exclusive to COVID–19 testing, 
meaning that a market existed pre- 
COVID–19, and manufacturers were 
able to adapt to fluctuations in demand 
spurred by the pandemic. 
There are multiple companies with 
facilities in the United States that 
produce RNA extraction kits for the 
domestic market that have been 
awarded federal grants to increase the 
supply of COVID–19 test kits and 
reagent supplies. For example, in 
December 2020, the DOD and HHS 
identified several key reagents with the 
potential for supply chain bottlenecks 
and awarded a $4.8 million Indefinite 
Delivery/Indefinite Quantity contract to 
Anatrace Products, LLC to support 
increased production of key reagents for 
sample processing; Polyadenylic Acid 
(Poly A), Guanidinium Thiocyanate 
(GTC), and Proteinase K (Pro K) to 
process samples (DOD, December 21, 
2020). Additionally, QIAGEN (based in 
Germany with U.S. manufacturing in 
Germantown, Maryland) produces 
extraction kits for authorized COVID–19 
tests and has responded to the 
pandemic by scaling their production to 
around the clock production to 
strengthen testing kit capacity (Qiagen, 
October 2, 2021). On August 23, 2021, 
DOD, on behalf of and in coordination 
with HHS, awarded a $600,000 contract 
to QIAGEN to expand manufacturing 
capacity of enzymatic reagents and 
reagent kits used in COVID–19 
molecular diagnostic tests, thereby 
allowing QIAGEN to increase its 
monthly production of reagent kits by 
7,000 and enzymes by 5,100 milligrams 
by the end of February 2022 to support 
domestic laboratory testing for COVID– 
19 (DOD, August 23, 2021). 
Additionally, manufacturers of raw 
materials and solvents for COVID–19 
test kits have implemented strategies to 
strengthen their portions of the COVID– 
19 test supply chain. Millipore Sigma, a 
large producer of solvents and raw 
materials for tests, has created a global 
task force to actively evaluate the 
overall supply chain of products and 
key raw material suppliers to mitigate 
any potential disruption of COVID–19 
testing capacity (Millipore Sigma, 
October 2021). In light of the foregoing, 
OSHA believes that there is sufficient— 
and increasing—availability of COVID– 
19 testing supplies to enable compliance 
with the ETS testing option. 
e. Sufficiency of Laboratory Capacity 
As noted above, a wide range of tests 
are acceptable under the ETS, including 
those that can be observed by employers 
without laboratory processing. 
Moreover, there has been rapid growth 
in the availability of OTC tests that do 
not require laboratory processing. 
Authorized OTC tests self-administered 
by employees and proctored by the 
employer do not require a CLIA 
certificate of waiver. 
The Association of Public Health 
Laboratories (APHL) has conducted 
weekly surveys of its membership to 
monitor their current and projected 
capability and capacity to test for 
COVID–19. Data from this survey is 
used to inform HHS, FEMA, CDC, and 
other federal partners to support public 
health laboratory supply and reagent 
needs. OSHA reviewed the weekly 
COVID–19 survey results through the 
APHL COVID–19 Lab Testing Capacity 
and Capability Data Dashboard. The 
data comes from voluntary participation 
in the weekly surveys collected from 
approximately 100 state, local and 
territorial public health laboratories 
(PHLs) and reported to the CDC. The 
APHL weekly survey data supports 
OSHA’s feasibility determination and 
demonstrates that COVID–19 testing 
demand will be met. For example, from 
August 15, 2021 to September 12, 2021, 
the APHL weekly survey data found that 
96–100% of PHLs are meeting their 
current testing demand since the Delta 
Variant surge began (APHL, September 
27, 2021). 
Laboratory capacity for processing 
and confirmation of at-home COVID–19 
rapid tests provided by manufacturer 
retailers such as Walmart has also 
increased. Laboratory and diagnostic 
service providers have implemented 
parallel strategies to strengthen 
laboratory capacity for confirmation of 
at-home COVID–19 rapid tests available 
on the market for employers and 
employees to utilize. For example, 
Quest Diagnostics, which is the 
laboratory processing the samples and 
delivering results to those tested at 
Walmart’s drive-through and curbside 
testing sites, has scaled up laboratory 
testing capacity and rapid antigen test 
inventory should demand increase 
(Walmart, July 9, 2021). Quest 
Diagnostics has added COVID–19 
testing platforms in laboratories in 
regions where demand is comparatively 
high and has implemented an online 
consumer-initiated test service for 
individuals and small businesses to 
request COVID–19 testing. In August 
2021, Quest Diagnostics began to offer 
clinician-guided rapid COVID–19 
antigen testing to employers through a 
guided telehealth visit using a self- 
administered, nasal swab antigen test 
that provides results in 15 minutes that 
is then shipped to a Quest Diagnostics 
lab for confirmation (Quest Diagnostics, 
September 28, 2021). 
Based on the evidence reviewed, 
OSHA has determined that there is 
adequate laboratory capacity to enable 
compliance with the ETS testing option. 
f. Access to Testing in Underserved 
Communities 
Individuals in underserved 
communities (including Black, Latino, 
and Indigenous and Native American 
persons, Asian Americans and Pacific 
Islanders and other persons of color; 
members of religious minorities; 
lesbian, gay, bisexual, transgender, and 
queer persons; persons with disabilities; 
persons who live in rural areas; and 
persons otherwise adversely affected by 
persistent poverty or inequality) are 
disproportionately burdened by the 
COVID–19 pandemic as many 
individuals in these communities are 
essential workers who cannot work from 
home, increasing their risk of being 
exposed to the virus. Access to COVID– 
19 testing in these communities has 
been identified as contributing factor to 
COVID–19 related health disparities in 
these communities. For example, the 
NSC June 2021 survey found that the 
most common barrier to testing for rural 
employers and workers is access to 
vaccination and testing sites (NSC, 
September 2021). 
Several federal efforts have recently 
been implemented to strengthen testing 
capabilities in underserved 
communities. The NIH has invested 
heavily to improve COVID–19 testing in 
underserved communities throughout 
the COVID–19 pandemic. On September 
30, 2020, the NIH received nearly $234 
million to improve COVID–19 testing 
for underserved and vulnerable 
populations that have been 
disproportionately affected by this 
pandemic and launched the RADx 
Underserved Populations (RADx-UP) 
program (NIH, September 30, 2020). 
The RADx-UP program has primary 
components supported by these NIH 
grants to increase availability, 
accessibility, and acceptance of testing 
among underserved and vulnerable 
populations. The RADx-UP program 
also provides overarching support and 
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guidance on administrative operations 
and logistics, facilitating effective use of 
COVID–19 testing technologies, 
supporting community and health 
system engagement, and providing 
overall infrastructure for data collection, 
integration, and sharing from a 
coordination and data collection center 
(NIH, September 30, 2021). Through the 
RADx-UP program, the NIH has 
continued to support the needs of 
underserved populations and is 
currently funding 70 community-based 
projects across the country (NIH, 
September 30, 2021). 
The CDC has also focused its efforts 
to improve COVID–19 testing in 
underserved communities throughout 
the COVID–19 pandemic. For example, 
on September 20, 2021, Maine Health, 
the largest health care organization in 
Maine and also serving northern New 
Hampshire, was awarded nearly $1 
million for COVID–19 testing in higher 
risk communities (Maine Health, 
September 20, 2021). In March 2021, the 
CDC implemented a plan to invest $2.25 
billion over two years to address 
COVID–19 related health disparities and 
advance health equity among 
populations that are at high-risk and 
underserved, including racial and 
ethnic minority groups and people 
living in rural areas. Since that time, the 
CDC has awarded grants to public 
health departments to improve testing 
capabilities; improve data collection 
and reporting; and build, leverage, and 
expand infrastructure support for testing 
(CDC, March 17, 2021). On September 
30, 2021, the CDC awarded an $8.1 
million grant to the Arizona Center for 
Rural Health (ACRH) to address COVID– 
19 disparities across Arizona by 
improving the delivery of COVID–19 
testing to rural and underserved 
communities (ASU CRH, September 30, 
2021). A number of other federal and 
state government agencies have been 
expanding support for COVID–19 
testing in underserved communities as 
well. On June 11, 2021, HHS through 
the Health Resources and Services 
Administration (HRSA) provided $424.7 
million in American Rescue Plan 
funding to over 4,200 Rural Health 
Clinics (RHCs) for COVID–19 testing 
(HHS, June 11, 2021). 
Private industry has also mobilized 
considerably to increase access and 
testing capacity in rural and other 
underserved communities. The NSC 
June 2021 survey found that a common 
barrier to employers and employees in 
rural and other underserved 
communities is transportation and 
access to vaccination and testing sites 
(NSC, September 2021). In its final 
report, the NSC recommended 
employers in these communities host 
on-site vaccinations to increase worker 
access. Applications for mobile 
vaccination are available on most local 
and state health department websites 
(NSC, September 2021; ASU WEF, 
September 2021). 
CVS has collaborated with several 
organizations, including the National 
Medical Association, to increase access 
to testing in underserved communities 
and has developed mobile solutions that 
allow health care professionals to bring 
testing capabilities to businesses in 
these communities as they re-open (CVS 
Health, September 2021). Walgreens has 
implemented efforts to increase access 
in underserved communities such as 
rural and/or lower socioeconomic 
communities as well, with now more 
than half of Walgreens testing sites 
currently located in areas the CDC has 
identified as socially vulnerable and 
underserved (Walgreens, October 2021). 
Because of these investments, OSHA 
concludes that employers and their 
employees in underserved communities, 
including those in rural areas, will have 
sufficient access to COVID–19 tests and 
will be able to comply with the ETS’s 
testing requirements for employees who 
are not fully vaccinated. 
V. Management of Confidential Medical 
Records, Including Employee COVID–19 
Vaccination and Testing Records 
The ETS requires employers to 
maintain a record of each employee’s 
vaccination status. Employers must also 
maintain a record of each test result 
provided by each employee. These 
records must be maintained as 
confidential medical records and must 
not be disclosed except as required or 
authorized by this ETS or other federal 
law. The records are not subject to the 
retention requirements of 29 CFR 
1910.1020(d)(1)(i) but must be 
maintained and preserved while the 
ETS is in effect. 
Other OSHA rules have a similar 
requirement to maintain employee 
medical records, which could include 
vaccination records. See, e.g., 
Bloodborne Pathogens (29 CFR 
1910.1030), Respiratory Protection (29 
CFR 1910.134), Respirable Crystalline 
Silica (29 CFR 1910.1053), Beryllium 
(29 CFR 1910.1024), Lead (29 CFR 
1910.1025), and OSHA’s requirements 
for employee access to medical and 
exposure records (29 CFR 1910.1020). 
OSHA is not aware of any potential 
technological feasibility issues related to 
recordkeeping. 
The requirement under this ETS to 
maintain records of employees’ COVID– 
19 vaccination status and COVID–19 
test results is similar to requirements in 
the aforementioned OSHA standards, 
and OSHA therefore concludes that 
compliance is feasible. Employers 
subject to the ETS will be able to 
comply with the provisions in the ETS 
using straightforward recordkeeping 
systems that are already widely used by 
large employers as part of their usual 
and customary business practices. 
OSHA concludes that it is feasible for 
such employers to comply with the 
requirements in the ETS for maintaining 
records related to COVID–19 
vaccination status and COVID–19 test 
results. 
VI. Other Provisions 
There are no technological feasibility 
barriers related to compliance with 
other requirements in the ETS (e.g., face 
coverings, employee notification). As 
explained above, many of the employer 
plans and best practice documents 
reviewed by OSHA indicate that 
employers have implemented the 
measures in these provisions across 
industry sectors. OSHA highlights two 
of the ETS’s other requirements below, 
which are explored in more depth in 
other sections of this preamble. 
• Face Coverings. Paragraph (i) of the 
ETS requires the employer to ensure 
that all employees who are not fully 
vaccinated wear a face covering when 
indoors and when occupying a vehicle 
with another person for work purposes, 
except: (i) When an employee is alone 
in a room with floor to ceiling walls and 
a closed door; (ii) for a limited time 
while the employee is eating or drinking 
at the workplace or for identification 
purposes in compliance with safety and 
security requirements; (iii) when 
employees are wearing respirators or 
face masks; or (iv) where the employer 
can show that the use of face coverings 
is infeasible or creates a greater hazard. 
The definition of face covering allows 
various different types of masks, 
including clear face coverings or cloth 
face coverings with a clear plastic panel 
which may be used to facilitate 
communication with people who are 
deaf or hard-of-hearing or others who 
need to see a speaker’s mouth or facial 
expressions to understand speech or 
sign language respectively. The types of 
face coverings permitted under this ETS 
are widely used and readily available. 
The results of the ASU WEF June 2021 
survey found that 30% of employers 
required face coverings for unvaccinated 
employees, which demonstrates that 
this provision of the ETS is currently 
being implemented by a substantial 
number of employers and is ‘‘capable of 
being done.’’ (ASU WEF, September 
2021). OSHA identifies no technological 
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feasibility issues with this provision of 
the ETS. 
• Notification. Paragraph (h) of the 
ETS contains COVID–19 notification 
requirements for both the employer and 
the employee. Under this provision, the 
employer must require each employee 
to promptly notify the employer if they 
receive a positive COVID–19 test or are 
diagnosed with COVID–19 by a licensed 
healthcare provider and must 
immediately remove any employee from 
the workplace who receives a positive 
COVID–19 test or is diagnosed with 
COVID–19 by a licensed healthcare 
provider. OSHA identifies no 
technological feasibility issues in 
connection with the ETS’s notification 
requirements. It is the employer’s 
responsibility to ensure that appropriate 
instructions and procedures are in place 
so that designated representatives of the 
employer (e.g., managers, supervisors) 
and employees conform to the rule’s 
requirements. 
VII. Conclusion 
OSHA has determined that complying 
with this ETS is technologically feasible 
for typical firms covered by this 
standard, at least most of the time (see 
Public Citizen v. OSHA, 557 F.3d 165 
(3d Cir. 2009); Lead I, 647 F.2d at 1272; 
Lead II, 939 F.2d at 990). OSHA 
reviewed extensive evidence across 
industries and did not identify any 
industry-specific compliance barriers. 
Evidence in the record that shows that 
the written workplace COVID–19 
vaccination policy requiring each 
employee to be fully vaccinated against 
COVID–19 unless they establish and 
implement a written policy that permits 
an employee to choose to be tested for 
COVID–19 at least every seven days and 
wear a face covering is feasible. In fact, 
such policies have already been 
implemented by hundreds of large 
companies across industry sectors. 
OSHA has also determined that there 
are sufficient COVID–19 tests available 
and adequate laboratory capacity to 
meet the anticipated increased testing 
demand related to compliance with the 
ETS testing option. 
Additionally, the ETS’s requirements 
to determine employee vaccination 
status, support employee vaccination by 
providing time off for vaccination and 
time off for recovery, and maintain 
records of employee COVID–19 
vaccination status and COVID–19 test 
results are also technologically feasible. 
As discussed above, that many 
employers and organizations have 
already implemented such requirements 
demonstrates that they are ‘‘capable of 
being done.’’ Moreover, the 
recordkeeping requirements in this ETS 
largely mirror the requirements for the 
collection and maintenance of similar 
employee medical records in OSHA’s 
Bloodborne Pathogens standard (29 CFR 
1910.1030) and the Respiratory 
Protection standard (29 CFR 1910.134). 
The ETS provides a flexible compliance 
option for employers to tailor their 
procedures and practices to the needs of 
their workplace. OSHA finds that 
employers in typical firms in all 
industry sectors can comply with the 
requirements of the ETS, and 
compliance with the ETS is therefore 
technologically feasible. 
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to Require COVID–19 Vaccinations for 
its U.S. Workforce. https://
www.tysonfoods.com/news/news- 
releases/2021/8/tyson-foods-require- 
covid-19-vaccinations-its-us-workforce. 
(Tyson Foods, August 3, 2021) 
University of Arizona Center for Rural Health 
(ASU CRH). (2021, September 30). 
ADHS–CDC COVID Disparities Initiative. 
https://crh.arizona.edu/programs/covid- 
disparities-initiative. (ASU CRH, 
September 30, 2021) 
U.S. Department of Defense (DOD). (2021, 
March 29) DOD Awards $146.77 Million 
Contract to Puritan Medical Products to 
Increase Domestic Production Capacity 
of Foam Tip Swabs. https://
www.defense.gov/News/Releases/ 
Release/Article/2554073/dod-awards- 
14677-million-contract-to-puritan- 
medical-products-to-increase-domes/. 
(DOD, March 29, 2021) 
U.S. Department of Defense (DOD). (2021, 
July 31). DOD Awards $51.15 Million 
Undefinitized Contract Action to Puritan 
Medical Products Company LLC to 
Increase Domestic Production Capacity 
of Flock Tip Testing Swabs. https://
www.defense.gov/News/Releases/ 
Release/Article/2295387/dod-awards- 
5115-million-undefinitized-contract- 
action-to-puritan-medical-produc/. 
(DOD, July 31, 2021) 
U.S. Department of Defense (DOD). (2021, 
August 23). DOD Awards $0.6 Million 
Contract to QIAGEN to Increase 
Domestic Production Capacity of 
COVID–19 Diagnostic Test Kits and 
Reagents. https://www.defense.gov/ 
News/Releases/Release/Article/2742967/ 
dod-awards-06-million-contract-to- 
qiagen-to-increase-domestic-production- 
capaci/. (DOD, August 23, 2021) 
U.S. Department of Defense (DOD). (2021, 
December 21). DOD Awards $4.8 Million 
Indefinite Delivery/Indefinite Quantity 
to a Calibre Scientific Subsidiary, 
Anatrace, to Increase Domestic 
Production Capacity of COVID–19 
Testing Reagents. https://
www.defense.gov/News/Releases/ 
Release/Article/2454163/dod-awards-48- 
million-indefinite-deliveryindefinite- 
quantity-to-a-calibre-scien/. (DOD, 
December 21, 2020) 
U.S. Department of Health and Human 
Services. (HHS). (2021, June 11). HHS 
Provides $424.7 Million to Rural Health 
Clinics for COVID–19 Testing and 
Mitigation in Rural Communities. 
https://www.hhs.gov/about/news/2021/ 
06/11/hhs-provides-424-million-to-rural- 
health-clinics-for-covid-19-testing.html. 
(HHS, June 11, 2021) 
U.S. Department of Health and Human 
Services (HHS). (2021, August 17). 
Community based testing sites. https://
www.hhs.gov/coronavirus/community- 
based-testing-sites/index.html. (HHS, 
August 17, 2021) 
Walgreens. (2021, October). Free Drive-Thru 
COVID–19 Testing for Ages 3+. https:// 
www.walgreens.com/findcare/covid19/ 
testing?ban=covid_hp_cause2. 
(Walgreens, October 2021) 
Walgreens. (2021, October 8). COVID–19 
FAQs. https://news.walgreens.com/our- 
stories/covid-19-stories/covid-19- 
faq.htm#testinghome. (Walgreens, 
October 8, 2021) 
Walmart. (2021, July 9). Supporting COVID– 
19 Testing. https://
corporate.walmart.com/covid19testing. 
(Walmart, July 9, 2021) 
Washington Post. (2021, October 6). White 
House announces $1 billion purchase of 
rapid, at-home coronavirus tests. https:// 
www.washingtonpost.com/health/2021/ 
10/06/biden-rapid-at-home-covid-tests/. 
(Washington Post, October 6, 2021) 
Willis Towers Watson. (2021, June 23) 
COVID–19 Vaccination and Reopening 
the Workplace Survey press release. 
https://www.willistowerswatson.com/en- 
US/News/2021/09/workplace-vaccine- 
mandates-expected-to-accelerate-wtw- 
survey-finds. (Willis Towers Watson, 
June 23, 2021) 
Willis Towers Watson. (2021, September 1) 
Workplace vaccine mandates expected to 
accelerate, Willis Towers Watson survey 
finds. https://
www.willistowerswatson.com/en-US/ 
News/2021/09/workplace-vaccine- 
mandates-expected-to-accelerate-wtw- 
survey-finds. (Willis Towers Watson, 
September 1, 2021) 
B. Economic Analysis 
I. Introduction 
This section presents OSHA’s 
estimates of the costs and impacts, 
anticipated to result from the COVID–19 
Vaccination and Testing ETS, 29 CFR 
1910.501. The purpose of this ETS is to 
address the grave danger of COVID–19 
in the workplace by promoting 
vaccination, while allowing an 
alternative for face covering and testing 
requirements, and also to remove 
COVID–19 positive workers from the 
workplace regardless of vaccination 
status. The estimated costs are based on 
employers achieving full compliance 
with the requirements of the ETS. They 
do not include prior costs associated 
with firms whose current practices are 
already in compliance with the ETS 
requirements. The purpose of this 
analysis is to: 
• Identify the entities/establishments 
and industries affected by the ETS; 
• Estimate and evaluate the costs and 
economic impacts that regulated 
entities/establishments will incur to 
achieve compliance with the ETS; and 
• Evaluate the economic feasibility of 
the rule for affected industries. 
In this analysis, OSHA is fulfilling the 
requirement under the OSH Act to show 
the economic feasibility of this ETS. 
This analysis is different from the cost 
portion of a regulatory impact analysis 
prepared in accordance with Executive 
Order 12866 in that the agency is 
focused only on costs to employers 
when evaluating economic feasibility. In 
a regulatory impact analysis, the costs to 
all parties (e.g., employers, employees, 
and governments) are included. While 
this is not the case for an economic 
feasibility analysis, it does not 
necessarily mean that the ETS imposes 
no costs or burdens on parties other 
than employers. For example, the rule 
imposes certain costs on employees who 
choose not to become vaccinated (e.g., 
for face coverings and testing. While 
these costs are not relevant for the 
purpose of establishing economic 
feasibility, these costs would be 
attributable to the ETS in a regulatory 
impact analysis. In addition, these costs 
are not mandatory because any 
employee who does not wish to pay 
them may choose to become vaccinated 
or leave employment (see discussion 
below on turnover), after which the 
costs would not be incurred. Some 
employees may also be entitled to a 
reasonable accommodation that may 
avoid additional cost (e.g., telework). 
‘‘[T]he Supreme Court has 
conclusively ruled that economic 
feasibility [under the OSH Act] does not 
involve a cost-benefit analysis.’’ Pub. 
Citizen Health Research Grp. v. U.S. 
Dept. of Labor, 557 F.3d 165, 177 (3d 
Cir. 2009); see also Asbestos Info. Ass’n, 
727 F.2d at 424 n.18 (noting that formal 
cost benefit is not required for an ETS, 
and indeed may be impossible in an 
emergency). The OSH Act ‘‘place[s] the 
‘benefit’ of worker health above all other 
considerations save those making 
attainment of this ‘benefit’ 
unachievable.’’ Cotton Dust, 452 U.S. at 
509. Therefore, ‘‘[a]ny standard based 
on a balancing of costs and benefits by 
the Secretary that strikes a different 
balance than that struck by Congress 
would be inconsistent with the 
command set forth in’’ the statute. Id. 
While this case law arose with respect 
to health standards issued under section 
6(b)(5) of the Act, which specifically 
require feasibility, OSHA finds the same 
concerns applicable to emergency 
temporary standards issued under 
section 6(c) of the Act. An ETS ‘‘serve[s] 
as a proposed rule’’ for a section 6(b)(5) 
standard, and therefore the same limits 
on any requirement for cost-benefit 
analysis should apply. Indeed, OSHA 
has also rejected the use of formal cost 
benefit analysis for safety standards, 
which are not governed by section 
6(b)(5). See 58 FR 16,612, 16,622–23 
(Mar. 30, 1993) (‘‘in OSHA’s judgment, 
its statutory mandate to achieve safe and 
healthful workplaces for the nation’s 
employees limits the role monetization 
of benefits and analysis of extra- 
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22 To support its Asbestos ETS, OSHA conducted 
an economic feasibility analysis on these terms. 48 
FR 51086, 51136–38 (Nov. 4, 1983). In upholding 
that analysis, the Fifth Circuit said that OSHA was 
required to show that the balance of costs to 
benefits was not unreasonable. Asbestos Info. Ass’n, 
727 F.2d at 423. As explained above, OSHA does 
not believe that is a correct statement of the 
economic feasibility test. However, even under that 
approach this ETS easily passes muster. 
workplace effects can play in setting 
safety standards.’’).22 A standard must 
be economically feasible in order to be 
‘‘reasonably necessary and appropriate’’ 
under section 3(8) and, by inference, 
‘‘necessary’’ under section 6(c)(1)(B) of 
the OSH Act. Cf. Am. Textile Mfrs. Inst., 
Inc. v. Donovan, 452 U.S. 490, 513 n.31 
(1981) (noting ‘‘any standard that was 
not economically . . . feasible would a 
fortiori not be ‘reasonably necessary or 
appropriate’ ’’ as required by the OSH 
Act’s definition of ‘‘occupational safety 
and health standard’’ in section 3(8)); 
see also Florida Peach Growers, 489 
F.2d at 130 (recognizing that the 
promulgation of any standard, including 
an ETS, must account for its economic 
effect). A standard is economically 
feasible when industries can absorb or 
pass on the costs of compliance without 
threatening industry’s long-term 
profitability or competitive structure, 
Cotton Dust, 452 U.S. at 530 n.55, or 
‘‘threaten[ing] massive dislocation to, or 
imperil[ing] the existence of, the 
industry.’’ United Steelworkers of Am. 
v. Marshall, 647 F.2d 1189, 1272 (D.C. 
Cir. 1981) (Lead I). Given that section 
6(c) is aimed at enabling OSHA to 
protect workers in emergency situations, 
the agency is not required to make the 
showing with the same rigor as in 
ordinary section 6(b) rulemaking. 
Asbestos Info. Ass’n/N. Am. v. OSHA, 
727 F.2d 415, 424 n.18 (5th Cir. 1984). 
In Asbestos Information Association, the 
Fifth Circuit concluded that the costs of 
compliance were not unreasonable to 
address a grave danger where the costs 
of the ETS did not exceed 7.2% of 
revenues in any affected industry. Id. at 
424. 
The scope of judicial review of 
OSHA’s determinations regarding 
feasibility (both technological and 
economic) ‘‘is narrowly circumscribed.’’ 
N. Am.’s Bldg. Trades Unions v. OSHA, 
878 F.3d 271, 296 (D.C. Cir. 2017) 
(Silica). ‘‘OSHA is not required to prove 
economic feasibility with certainty, but 
is required to use the best available 
evidence and to support its conclusions 
with substantial evidence.’’ Amer. Iron 
& Steel Inst. v. OSHA, 939 F.2d 975, 
980–81 (D.C. Cir. 1991) (Lead II); 29 
U.S.C. 655(b)(5), (f). ‘‘Courts, 
[moreover], ‘cannot expect hard and 
precise estimates of costs.’ ’’ Silica, 878 
F.3d at 296 (quoting Lead II, 939 F.2d 
at 1006). Rather, OSHA’s estimates must 
represent ‘‘a reasonable assessment of 
the likely range of costs of its standard, 
and the likely effects of those costs on 
the industry.’’ Lead I, 647 F.2d at 1266. 
The ‘‘mere ‘possibility of drawing two 
inconsistent conclusions from the 
evidence,’ or deriving two divergent 
cost models from the data ‘does not 
prevent [the] agency’s finding from 
being supported by substantial 
evidence.’ ’’ Silica, 878 F.3d at 296 
(quoting Cotton Dust, 452 U.S. at 523). 
Executive Orders 12866 and 13563 
direct agencies to assess the costs and 
benefits of the intended regulation and, 
if regulation is necessary, to select 
regulatory approaches that maximize 
net benefits (including potential 
economic, environmental, and public 
health and safety effects; distributive 
impacts; and equity). Executive Order 
13563 emphasized the importance of 
quantifying both costs and benefits, of 
reducing costs, of harmonizing rules, 
and of promoting flexibility. Because of 
the continued impact of the pandemic 
on occupational safety and health, 
OSHA has prepared this ETS and the 
accompanying economic analysis on an 
extremely condensed timeline. Thus, in 
light of the Secretary’s conclusion that 
the COVID–19 pandemic constitutes an 
emergency situation, the Secretary has 
notified OIRA that it is necessary for 
OSHA to promulgate this regulation 
more quickly than normal review 
procedures allow, pursuant to E.O. 
12866 Sec. 6 (a)(3)(D). OIRA has waived 
compliance with Sec. 6(a)(3)(B) and (C) 
for this economically significant rule. 
II. COVID–19 ETS Industry Profile 
a. Introduction 
In this section, OSHA provides 
estimates of the number of affected 
entities, establishments, and employees 
for the industries that have settings 
covered by this ETS. The term ‘‘entity’’ 
describes a legal for-profit business, a 
non-profit organization, or a local 
governmental unit, whereas the term 
‘‘establishment’’ describes a particular 
physical site of economic activity. Some 
entities own and operate more than one 
establishment. 
Throughout this analysis, where 
estimates were derived from available 
data those sources have been noted in 
the text. Estimates without sources 
noted in the text are based on agency 
expertise. 
b. Scope of the COVID–19 ETS 
This ETS applies to all employers 
with a total of 100 or more employees 
at any time this ETS is in effect. 
However, the requirements of this ETS 
do not apply to: (1) Workplaces covered 
under the Safer Federal Workforce Task 
Force COVID–19 Workplace Safety: 
Guidance for Federal Contractors and 
Subcontractors (Contractor Guidance); 
or (2) settings where any employee 
provides healthcare services or 
healthcare support services when 
subject to the requirements of 29 CFR 
1910.502 (i.e., the Healthcare ETS). 
Furthermore, the requirements of this 
ETS do not apply to the employees of 
covered employers: (1) Who do not 
report to a workplace where other 
individuals, such as coworkers or 
customers, are present; or (2) while 
working from home; or (3) who work 
exclusively outdoors. Based on this 
scope, employers in nearly every sector 
are expected to be covered by this ETS. 
OSHA’s assumptions may result in an 
overestimate of the number of 
employees affected by the ETS. First, 
OSHA is not estimating the number and 
type of workplaces covered by the Safer 
Federal Workforce Task Force COVID– 
19 Workplace Safety: Guidance for 
Federal Contractors and Subcontractors 
or removing them from the profile of 
employers affected by this ETS. OSHA 
assumes for the purpose of this analysis 
that employers covered under the 
Contractor Guidance will also have 
contracts to perform work in workplaces 
where they are not covered under that 
Guidance (i.e., where the employer 
contracts with an entity other than the 
federal government), and so those 
employers are included in the scope 
here. 
Second, OSHA estimates that all 
employers in all private sector 
industries are affected by this ETS to 
some extent. Although this ETS imposes 
no compliance burden on employers 
whose employees work remotely 100 
percent of the time, in OSHA’s analysis, 
no employers with 100 or more 
employees have all of their employees 
working remotely 100 percent of the 
time (i.e., at least some employees in 
each affected firm do not work 
remotely). Moreover, OSHA’s analysis 
does not take into account that some 
employees may engage in part-time 
telework (i.e., it assumes that employees 
either work remotely full-time or do not 
work remotely at all). Finally, OSHA’s 
analysis does not fully take into account 
the exemption for employees who do 
not report to a workplace where other 
individuals are present, meaning that 
this analysis may overestimate the 
number of employees affected by the 
rule. 
As stated, the requirements of this 
ETS do not apply to the employees of 
covered employers who work 
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exclusively outdoors. To determine the 
percentage of employees in occupations 
for which the exception is relevant, the 
agency uses data from the BLS’s 2020 
Occupational Requirements Survey 
(ORS) (BLS, 2020). This survey looks at 
various aspects of job requirements. In 
particular, the survey lists occupations 
where workers are outdoors 
‘‘constantly,’’ which OSHA interprets as 
being nearly continuously outdoors. 
Because the majority of workers who 
work outdoors ‘‘constantly’’ likely work 
indoors at least some of the time, the 
agency judges that no more than 10 
percent of the workers who are 
primarily outdoors are actually there 
exclusively. See Table IV.B.1 for the 
occupations, the ORS percentages, and 
final percentages for workers OSHA 
estimates are exempt from the scope of 
this ETS based on the outdoor work 
exemption. 
OSHA’s estimate of employees who 
work exclusively outdoors does not 
account for employers who only need to 
make slight adjustments to their current 
work practices to ensure that their 
employees qualify for the outdoor 
exemption, such as by holding tool box 
talks outdoors instead of in a traditional 
indoor location. This may result in more 
employees falling within the exemption 
than estimated by OSHA; therefore, 
OSHA’s cost analysis likely 
overestimates costs. 
The requirements of the ETS also do 
not apply to settings where any 
employee provides healthcare services 
or healthcare support services when 
subject to the requirements of 29 CFR 
1910.502 (the Healthcare ETS). The 
Healthcare ETS is a temporary standard 
that may not remain in effect for the 
entire period that 29 CFR 1910.501 
remains in effect. This means that some 
employers or employees covered by the 
Healthcare ETS, those in firms that have 
100 or more employees, may ultimately 
be covered by 29 CFR 1910.501 (because 
the exception in 29 CFR 1910.501 is 
limited to when employers are subject 
to the requirements of the Healthcare 
ETS). This potentially impacts two 
types of costs: Employer-based costs 
(e.g., employer policy on vaccination) 
and employee-based (periodic) costs 
(e.g., recordkeeping). 
Employer-Based Costs: For the 
purpose of the economic analysis only, 
OSHA treats the Healthcare ETS as 
though it will no longer be in effect after 
December, 2021, because at that point 
the Healthcare ETS will have been in 
effect for the six months that OSHA had 
calculated costs for that ETS. Therefore, 
OSHA estimates that some employers 
including those with 100 or more 
employees subject to the 29 CFR 
1910.502 exemption, will need to take 
employer-based costs because all these 
employers will ultimately be subject to 
29 CFR 1910.501 under this assumption. 
Employee-Based Costs: OSHA’s 
estimates incorporate two assumptions 
for the purposes of this analysis only. 
First, for the purposes of assumptions 
for this analysis only, § 1910.501 will 
remain in effect for 6 months. Second, 
many employers and employees 
currently covered only by the 
Healthcare ETS will be subject to the 
requirements of 29 CFR 1910.501 for 
approximately 4 months (4 months of 
the 6 month estimated lifespan of 29 
CFR 1910.501). OSHA’s estimate of 
those employees exempted by the 
Healthcare ETS was based on the 
Industry Profile of employees in firms 
with 100 employees or more covered by 
the Healthcare ETS, as estimated in 
Table VI.B.3 in the economic analysis 
for that rulemaking (see 86 FR 32488). 
OSHA notes that some employees 
currently covered by the Healthcare ETS 
might also be currently covered by 29 
CFR 1910.501 (albeit at different times 
or in different locations) because the 
Healthcare ETS is settings-based. For 
example, a pharmacist would normally 
not need to comply with the 
requirements of § 1910.502 when just 
filling prescriptions in a retail pharmacy 
store (see 29 CFR 1910.502(a)(2)(ii)), but 
would need to comply when 
administering vaccinations within an 
embedded clinic inside that retail 
pharmacy. Thus, there are a number of 
variables that could impact the extent to 
which the pharmacist’s employer might 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
23 The CMS rule published elsewhere in this issue 
of the Federal Register mandates vaccination for 
employees in facilities that receive Medicare or 
Medicaid. OSHA is ignoring this for the purpose of 
its cost analysis and taking costs into account as if 
the CMS rule were not promulgated. This creates 
a substantial overestimate. 
incur any costs. However, even to the 
extent that such costs might occur (e.g., 
recordkeeping for testing if the 
pharmacist works for an employer 
covered by 29 CFR 1910.501 and is 
unvaccinated), OSHA judges that they 
would be de minimis for several 
reasons. First, this pool of workers is 
likely to be very small, especially when 
compared to the population of workers 
covered by the Healthcare ETS. Second, 
most employees subject to both 
standards will have been fully 
vaccinated before OSHA takes costs for 
these employees under 29 CFR 1910.501 
by operation of the CMS rule mandating 
vaccination or as a result of the 
voluntary vaccination incentives 
promoted by OSHA’s Healthcare ETS 
(therefore negating most of the costs 
associated with vaccination and testing 
under 29 CFR 1910.501). Third, any 
underestimate of periodic costs will 
only apply during the first two months 
after 29 CFR 1910.501 goes into effect 
and the standard has a delayed 
compliance date of 30 days after the 
effective date for most provisions, 
except for testing, which has a delayed 
compliance date of 60 days. This will 
further lessen the periodic costs 
associated with any potential 
underestimate. 
In all respects (other than the 4⁄6 share 
of employee-based costs), OSHA is 
taking the same approach in the 
Industry Profile and Cost Estimates for 
employers and employees currently 
covered by the Healthcare ETS as it does 
for all other industries. These employers 
and employees are fully integrated into 
Table IV.B.5, below, which contains a 
summary of covered entities and 
employees. Moreover, the same 
assumptions on outdoor work and other 
scope exemptions that OSHA explains 
earlier holds for these employers and 
employees. In addition, OSHA makes 
the same downward adjustment in 
telework for these employers and 
employees in accordance with the 
methodology it sets out below. Thus, the 
Healthcare ETS profile used in this ETS 
to account for employees exempted by 
the Healthcare ETS into the Profile in 
the event the Healthcare ETS expires 
(i.e., in Table IV.B.5, below) is an 
updated version of Table VI.B.3 in the 
Healthcare ETS (see 86 FR 32488).23 
OSHA notes that some firms may decide 
to proactively comply with certain 29 
CFR 1910.501 requirements (such as 
mandating vaccination for all employees 
that were removed from the Industry 
Profile) before the end date of the 
Healthcare ETS based on the conclusion 
that 29 CFR 1910.501 will ultimately 
apply in full to them. Since these costs 
still occur due to 29 CFR 1910.501, 
OSHA is appropriately including them 
in this cost analysis. 
There are 9.9 million employees who 
will newly be covered by 29 CFR 
1910.501 starting in December whose 
employers will incur an additional $318 
million in costs. These costs are 
integrated into the agency’s main cost 
analysis, which is described later in this 
economic analysis. 
Only some state- and local- 
government entities are included in this 
analysis. State- and local-government 
entities are specifically excluded from 
coverage under the OSH Act (29 U.S.C. 
652(5)). Workers employed by these 
entities only have OSH Act protections 
if they work in states that have an 
OSHA-approved State Plan. (29 U.S.C. 
667). Consequently, this analysis 
excludes public entities in states that do 
not have OSHA-approved State Plans. 
Table IV.B.2 presents the states that 
have OSHA-approved State Plans and 
their public entities are included in the 
analysis. 
OSHA notes, finally, that the 
percentage of employers mandating 
vaccination, and hence the employee 
vaccination rate, would likely rise to 
some degree absent this ETS due to 
other federal actions, such as the 
vaccination mandate for federal 
contractors, the CMS rule published 
elsewhere in this issue of the Federal 
Register, and as a result of vaccination 
mandates that have been adopted at 
state and local levels. This analysis does 
not account for increases in vaccination 
that would occur absent the standard, 
resulting in a likely overestimate of the 
costs. 
c. Teleworking 
Dingel-Neiman Approach for Estimating 
Who Can Work Remotely 
OSHA uses the estimates in a paper 
by J.I. Dingel and B. Neiman, ‘‘How 
Many Jobs Can be Done at Home?,’’ 
published in July 2020, as a starting 
point to determine the percentage of 
employees, by occupation, who are not 
expected to work remotely (i.e., the 
percentage of workers for whom 
employers have employee-based costs 
under this ETS) (Dingel and Neiman, 
July 2020). 
In Dingel and Neiman’s paper, the 
authors estimate the number of jobs in 
the U.S. economy that workers can 
feasibly perform remotely. The authors 
use two different surveys from the 
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24 24 The O*Net Program is a major source of 
occupational information for the U.S. The O*NET 
database surveys ask both specific occupational 
experts and workers in those occupations questions 
covering multiple aspects of almost 1,000 
occupations covering the entire U.S. economy. See 
https://www.onetonline.org/ for more information. 
The occupation definitions in the O*NET data are 
Standard Occupation Codes—the same definitions 
that are used in the BLS OEWS data. Dingel and 
Neiman use the responses to two surveys included 
in release 24.2 of the database administered by 
O*NET, the Worker Context Questionnaire and the 
Generalized Work Activities Questionnaire. The 
occupation with the median number of respondents 
had 26 respondents for each work context question 
and 25 respondents for each generalized work 
activities question per detailed-level SOC 
occupation code. 
In the O*Net Questionnaires, survey respondents 
responded to statements about the nature and 
requirements of the daily tasks associated with their 
job on a 1–5 ordinal scale, where 5 represents the 
strongest agreement and 1 represents the strongest 
disagreement (see Table IV.B.3). The O*Net data 
contain the average response to each question for 
each occupation code. For instance, for occupation 
‘‘Chief Executives’’ (SOC 11–1011), the average 
response to the prompt ‘‘Performing General 
Physical Activities is very important’’ was 1.39, 
indicating that performing general physical activity 
is not, on average, critical to the work of chief 
executives. The average responses by occupation for 
other prompts in the relevant surveys utilized by 
Dingel and Neiman are contained in those surveys. 
Occupational Information Network 
(O*Net) 24 to evaluate which 
occupations can be performed remotely 
and combine the O*Net estimates with 
the Bureau of Labor Statistics’ (BLS) 
Occupational Employment and Wage 
Statistics (OEWS) data on employment 
by occupation to estimate the total 
number of workers nationally who can 
work remotely. 
To evaluate the survey responses, 
Dingel and Neiman first determined the 
occupations for which the average 
response to a given prompt met a preset 
threshold. Table IV.B.3 presents the 
Dingel and Neiman response threshold 
for each survey question as well as the 
percent of occupations that meet each 
respective predetermined threshold. For 
example, in 10.8 percent of occupations, 
the average response to the ‘‘Performing 
general physical activities’’ (4.A.3.a.1) 
question met the threshold, falling in 
the range of 4 to 5. 
Dingel and Neiman determined that 
employees in a given occupation can 
telework full time if they did not meet 
the predetermined threshold for any of 
the questions highlighted in grey and 
denoted with a ‘‘Yes’’ in the column 
that reports whether that activity is used 
in determining whether a job can be 
done remotely in Table IV.B.3. 
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Source: (Dingel and Neiman, July 2020). 
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25 Except for the adjustments to Dingel and 
Neiman discussed above, OSHA used the Dingel 
and Neiman estimates for telework by occupation 
without change. The agency recognizes that the 
authors’ methodology (i.e., the use of 0–1 
thresholds) led to a small number of results that 
may appear not to reflect real-world experiences 
within an occupation. However, Dingel and Neiman 
represents the best available evidence for 
determining the percentage of employees, by 
occupation, who are expected to work remotely. 
OSHA is aware of no other source for this 
information that contains the level of detail 
necessary to conduct this analysis. Moreover, as 
explained above, OSHA modified the results for 
individual occupations when it had a reasoned 
basis for doing so. In any event, every NAICS 
industry is comprised of many occupations, so for 
every occupation where OSHA suspects remote 
work is overestimated in Dingel and Neiman’s 
results, there may be another where remote work is 
underestimated. 
26 The CPS data were available only at the 2-digit 
NAICS level as shown in Table IV.B.4. 
Adjusting Dingel and Neiman To Reflect 
Current Conditions 
While many employees can and are 
working remotely, many have returned 
to their places of employment. This 
conclusion is borne out by BLS’s 
Current Population Survey (CPS) (BLS, 
2021c). To address the tendency toward 
employees returning to work on site and 
more accurately reflect current remote 
work conditions, OSHA made two 
adjustments to Dingel and Neiman’s 
estimates. In the COVID–19 Healthcare 
ETS, OSHA also used Dingel and 
Neiman’s paper to estimate the number 
of workers who teleworked in response 
to the pandemic and the ETS under the 
assumption that anyone who could 
work remotely would do so in response 
to the pandemic and the Healthcare 
ETS. Dingel and Neiman’s estimates are 
therefore framed as the upper-bound of 
potential teleworking. 
The adjustments OSHA made reflect 
changing circumstances. First, based on 
agency expertise, OSHA changed the 
status of certain occupations in its 
occupational list from working remotely 
to not working remotely. For example, 
when Dingel and Neiman published 
their study, many schools were 
operating virtually so the Dingel and 
Neiman finding that teachers were able 
to work remotely lined up with the 
situation where teachers were working 
remotely. At this point in the pandemic, 
on the other hand, in-person learning 
has mostly recommenced. To this end, 
OSHA changed the status of teachers 
and other employees in the education 
sector from working remotely to not 
working remotely in this analysis. As 
another example, many activities that 
ceased or were reduced significantly 
have now resumed and many locations 
that were closed to the public have 
reopened (e.g., athletic events, shows, 
gyms, casinos and places of worship), 
and, since more people have returned to 
the office, there is more need for 
childcare. Therefore, OSHA also 
changed the status of these employees 
and others from telework to non- 
telework. This has the ultimate effect of 
increasing costs estimates for the rule. 
Appendix A (Table A–1), in the 
accompanying document in the docket, 
‘‘Vaccination, and Testing ETS: 
Economic Profile and Cost Chapter 
Appendices’’ (OSHA, October 2021b), 
presents Dingel and Neiman’s (July 
2020) unmodified percentages of 
workers that can work remotely in each 
detailed occupation (based on BLS’s 
Standard Occupation Code (SOC)).25 
Appendix A also presents, in separate 
columns, percentages reflecting the 
modifications OSHA made in those 
occupations where OSHA changed the 
results from telework to non-telework 
for the reasons stated, as well as 
percentages reflecting the modifications 
made in occupations where employees 
work exclusively outdoors. 
According to the OSHA-adjusted 
Dingel and Neiman estimates, 14 
percent of the jobs in the United States 
are performed entirely at home, with 
significant variation across cities and 
industries. It should be noted that the 
Dingel and Neiman analysis does not 
specify a proportion of jobs that can be 
performed at home part of the time; 
under the analysis, employees are either 
working remotely full-time or are 
working on site full time. 
The second adjustment OSHA made 
used monthly COVID-specific 
teleworking data from telework 
questions added during the pandemic to 
the CPS to estimate the reduction in 
teleworking since its peak and applied 
those estimates to further adjust 
downward the number of workers 
currently teleworking (BLS, 2021c). 
Specifically, the CPS questions asked 
respondents whether they were 
teleworking due to COVID–19 (as 
opposed to teleworking for other 
reasons) and OSHA estimated the 
difference in teleworking from the peak 
of COVID-related teleworking in all 
industries, which occurred in May 2020, 
through August 2021 (see Table 
IV.B.4).26 The reduction in teleworking 
was then applied as the change in 
percentage points to the estimated 
overall level of employees covered by 
the ETS in each NAICS code estimated 
based on data from Dingel and Neiman 
(July 2020). OSHA’s final teleworking 
estimates are provided in Appendix B in 
the accompanying document in the 
docket, ‘‘Vaccination, and Testing ETS: 
Economic Profile and Cost Chapter 
Appendices’’ (OSHA, October 2021b). 
Reductions due to employees working 
exclusively outdoors were applied to 
reduce the percentage of covered 
employees in Appendix B as well. 
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Other Teleworking Literature 
A number of companies have 
announced plans to allow employees to 
work from home at least through the 
end of 2021—suggesting that the levels 
of remote work will not be returning to 
pre pandemic levels in the near future. 
Many technology and internet based 
companies, such as Dropbox, Coinbase, 
VMWare, and Slack, have announced a 
complete, permanent move to fully 
remote work (Courtney, September 27, 
2021). Large employers such as 
Facebook, Amazon, and Siemens plan to 
maintain some physical workspace but 
now offer their employees who are 
telework eligible the option to work 
from home at least part of the time on 
a permanent basis (Id.). Google, Ford, 
Amazon, Apple and other large 
employers are expecting their telework 
eligible workers to return to on-site 
work (in some capacity) no earlier than 
January 2022 with Lyft anticipating a 
February 2022 return (Cerullo, August 
31, 2021). As a final example, a survey 
of businesses in Massachusetts found 
that about 40 percent of teleworkers 
anticipate they will not be returning to 
the office in January 2022 or earlier 
(Chesto, June 22, 2021). 
Additional studies provide qualitative 
support for the conclusion that a range 
of employees will ‘‘predictably’’ work 
from home both during the pandemic 
and beyond. In Bick, Blandin, and 
Martens’s paper, ‘‘Work from Home 
Before and After the COVID–19 
Outbreak’’ the authors use the following 
information to establish the physical 
location of employment (home or 
workplace) of workers: Data from the 
Real-Time Population Survey (RPS), a 
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27 SUSB with revenue data is only collected every 
5 years. While OSHA could attempt to extrapolate 
these data to more recent years, the results would 
be imprecise because they would change the 
revenue-employee size distributions. Those 
distributions are crucial for measuring impacts so 
the agency has opted to use the data as is. The total 
number of employees in OSHA’s estimate is fairly 
close to that of SUSB. The 2017 SUSB data includes 
a total of 128.6 million employees, while the more 
recent 2018 SUSB data includes a total of 130.9 
million. 
28 This includes public entities only in states with 
an approved OSHA State Plan. See Table IV.B.2 
above for further discussion of state plans. 
29 OSHA’s estimate of covered employees is based 
on the discussion in the text. For example, as OSHA 
writes above: OSHA assumes for the purpose of its 
analysis that employers covered under the 
Contractor Guidance will conduct work at least 
some of the time in workplaces not covered under 
that Guidance and so are fully integrated into the 
scope of the ETS; and the employers and employees 
covered by the Healthcare ETS are also fully 
integrated into the scope of the ETS. 
30 Conditions are changing rapidly, and though 
many firms are planning to keep expanded telework 
to some extent, as the rate of vaccinated workers 
increases, there may be increased movement back 
to the workplace beyond what OSHA has estimated 
here. 
national labor market survey of adults 
between ages 18–64 that mirrors the 
Current Population Survey (CPS) and 
collects information used in pandemic 
analysis, such as commuting behavior 
before and after the World Health 
Organization declared a global 
pandemic; mobility data on commuting; 
and information from the CPS since 
May 2020 on ‘pandemic-related’ 
telework (Bick et al., February 2021). 
Based on these data, Bick et al., found 
that there was a sudden decline in 
commuting trips in the U.S. after the 
initial COVID–19 outbreak, and that 
even when these trips subsequently 
began increasing back toward the 
original number of commuting trips, the 
overall number of trips did not return to 
normal at the end of 2020 because many 
teleworking employees continued 
working from home. The authors found 
that the surge in work from home came 
almost entirely from employees working 
from home every workday in the 
reference week. The authors also suggest 
that, for some occupations, especially 
those occupations with more educated 
workers, the change to increased work 
from home appears to be a long-term 
change; the data showed that, as of 
December 2020, 12.5 percent of these 
workers reported they expect to be 
working from home full-time in the 
future, and 24.5 percent reported they 
expect to be working from home part- 
time. 
In ‘‘COVID–19 and Remote Work: An 
Early Look At U.S. Data,’’ Brynjolfsson 
et al., noted that some of the shift to 
working from home seems to be a long- 
term phenomenon (Brynjolfsson et al., 
June 2020). The authors found, using an 
online survey, that 35.2 percent of 
workers had switched to working from 
home. Additionally, 15 percent of 
workers reported they were already 
working from home before COVID–19. 
Therefore, this study finds that about 
half of workers are now working from 
home—an even greater percentage than 
estimated by Dingel and Neiman. 
Finally, in ‘‘Why Working from Home 
Will Stick,’’ Barrero et al. predict that 22 
percent of all full workdays will be 
performed from home after the 
pandemic ends, compared to 5 percent 
before (Barrero et al., April 2021). The 
authors highlight five factors 
contributing towards the more 
permanent shift to telework: Diminished 
stigma, better-than-expected 
experiences working from home, 
investments in physical and human 
capital enabling work from home, 
reluctance to return to pre-pandemic 
activities, and innovation supporting 
work from home. 
d. Affected Entities and Employees 
OSHA used data from the U.S. 
Census’ 2017 Statistics of U.S. 
Businesses (SUSB) to identify private 
sector entities and employees affected 
by this section of the ETS (U.S. Census 
Bureau, 2019), and used the BLS 2017 
Quarterly Census of Employment and 
Wages (QCEW) to characterize state and 
local government entities (BLS, 2017). 
SUSB provides estimates of entities and 
employees by employer size range, 
which OSHA used to exclude employers 
with fewer than 100 employees.27 
For rail transportation (NAICS 482), 
which is not included in SUSB or 
QCEW data, OSHA relied on Federal 
Railroad Administration and 
Association of American Railroads 
statistics reported in OSHA’s 2020 final 
rule, Cranes and Derricks in 
Construction: Railroad Roadway Work. 
See 85 FR 57109 (September 15, 2020). 
OSHA used these data sources to 
identify public and private railroad 
employers with more than 100 
employees. For agricultural NAICS (111 
and 112), OSHA relies on the National 
Agricultural Statistics Service, 2017 
Census of Agriculture (NASS, 2017) to 
obtain estimates of total entities, 
employees, and revenues. Since these 
data do not indicate the number of 
entities with more than 100 employees, 
OSHA assumes it is the same as the 
average proportion as the support 
activity sectors for crop and animal 
production (NAICS 114 and 115). OSHA 
similarly specifies teleworking 
conditions for NAICS 111 and 112 using 
the average result for support activities 
for agriculture (NAICS 114 and 115). For 
the postal service industry, NAICS 
491110, which is not included in SUSB, 
OSHA obtains total entity and 
employment data for private postal 
services from the QCEW. Since these 
data do not indicate the number of 
entities with more than 100 employees, 
OSHA assumes it is the same as the 
average proportion as the related 
industries, couriers and express delivery 
(NAICS 492110), and local delivery 
(NAICS 492120). 
OSHA used the BLS 2020 
Occupational Employment and Wage 
Statistics (OEWS), which provides 
NAICS-specific estimates of 
employment and wages by occupation, 
along with the data in Appendix B 
(discussed earlier), to determine the 
subset of non-teleworking employees 
affected by the ETS. 
Table IV.B.5 summarizes the set of 
entities covered by the ETS. OSHA 
estimates a total of approximately 
263,879 entities and approximately 1.9 
million establishments incur costs 
under the ETS.28 OSHA estimates these 
entities employ approximately 102.7 
million employees, and of these, OSHA 
estimates approximately 84.2 million 
employees are covered by the ETS and 
are not excluded from coverage by 
working remotely 100 percent of the 
time or exclusively outside.29 For the 
purpose of this analysis, OSHA 
estimates that all employees that OSHA 
estimated will work remotely will 
continue to do so for the duration of this 
ETS.30 
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31 The data from the CDC website was retrieved 
on October 4, 2021. 
32 Age groups included: 18–24, 25–39, 40–49, 50– 
64, and 65–74. OSHA had not included the group 
65–74 in the economic analysis of the Healthcare 
ETS this past spring because for the healthcare 
sector, using the population wide average of 
workers in this age bracket was felt would 
overcount the number of such workers in this 
sector. OSHA is including this group now that more 
of the other age populations have been vaccinated 
and those concerns are no longer as relevant. This 
ETS will therefore indicate that a slightly higher 
percentage of universe of covered employees is 
vaccinated than if that age group of 65–74 was 
excluded altogether, but it also increases the 
number of employees for which additional 
compliance costs are factored in. OSHA interprets 
the ultimate result as a more accurate reflection of 
the workplace and notes that more costs are 
included than if the age group had been excluded 
from the analysis. 
33 The agency takes a recent survey (Lazer et al., 
August 16, 2021) which breaks out rates for 
healthcare vaccination and non-healthcare, and 
rather than replacing the CDC base vaccination rate 
uses the CDC rate to make an adjustment upwards 
to the healthcare rate of 70 percent. 
III. Baseline Vaccine Status for Covered 
Employees 
To estimate the cost of the ETS, 
OSHA must first estimate the baseline 
vaccination status for the 84.2m covered 
employees (those who work for 
employers with 100 or more employees 
and are not otherwise excluded from 
coverage). OSHA recognizes that 
employees’ current vaccination status 
continues to change on a daily basis. 
When specifying baseline vaccination 
rates, OSHA used the most recently 
available vaccination data from CDC, 
reflecting current conditions. For the 
remaining set of unvaccinated 
employees covered by the ETS, after 
accounting for baseline vaccinations, 
OSHA estimates the number of these 
employees who will be vaccinated and 
the number who will test under the 
ETS. OSHA’s methodology for this 
analysis is detailed below. 
a. Estimate the Current Vaccination Rate 
for Covered Employees 
To estimate the current vaccinate rate 
for covered employees, OSHA obtained 
recent vaccination data by age group 
from the CDC COVID Data Tracker 
(CDC, October 4, 2021a).31 For age 
groups covering 18–74 years old, these 
data include the number of people who 
are fully-vaccinated as well as the 
number of people of who have initiated 
their first shot in the past two weeks 
(relative to the October 4, 2021 data).32 
OSHA estimates the vaccination rate for 
each group (percent of total population 
in the age group who are vaccinated) 
based on the total number of people 
who are fully-vaccinated and had their 
first shot in the past two weeks, as a 
fraction of the population in each age 
group, obtained from the BLS Current 
Population Survey (CPS) (BLS, 2021d). 
Then, to estimate the overall average 
vaccination rate across age groups 18–74 
years old, OSHA weighted each group 
based on the distribution of the labor 
force by age, also obtained from the BLS 
CPS (BLS, 2021d). As shown in Table 
IV.B.6, OSHA estimates an overall 
vaccination rate of 61.3 percent for 
covered employees (and 38.7 percent 
unvaccinated). The healthcare sector 
had an earlier push to get healthcare 
workers vaccinated and has a higher 
current rate, estimated to be 70 
percent.33 
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34 Table 6a presents that 3,884,902 of the 
population will not take the vaccine because the 
‘‘doctor has not recommended it’’ out of a total of 
38,936,606 who will not get the vaccine for any 
reason. Medical reasons are then about 10% of the 
general population that will not get the vaccine, and 
the ones who won’t get the vaccine are about 10% 
of the whole population, giving 1% (.10 * .10). 
Based on the above, OSHA estimates 
that the 84.2m covered employees 
includes 52.5 million (62 percent) 
vaccinated employees and 31.7 million 
unvaccinated employees (38 percent). 
b. Adjust Baseline Vaccination for 
Continuing Trends 
OSHA adjusts the current vaccination 
rate to account for continuing trends in 
vaccinations among covered employees 
due to employers’ continued 
implementation of vaccine mandates 
and other policies (described below), 
under the ETS. To make this 
adjustment, OSHA requires 1) further 
characterization of the set of 
unvaccinated employees in terms of 
their likelihood to receive the vaccine, 
and 2) specification of the extent of 
employer-mandated and other employer 
vaccination policies. 
Based on vaccine confidence data 
from CDC (CDC, October 2021a), 13.8 
percent of the population ‘‘probably or 
definitely will not’’ get the vaccine; 
hereafter referred to as ‘‘vaccine- 
hesitant’’. Since this group is by 
definition part of the currently 
unvaccinated, OSHA characterizes the 
currently unvaccinated (37.6 percent) as 
being comprised of those who are 
vaccine—hesitant (13.8 percent) and the 
remainder, who while unvaccinated, are 
not hesitant because they are not in the 
‘‘probably or definitely will not’’ group 
(23.8 percent). 
Among those who are vaccine- 
hesitant, OSHA estimates that 5 percent 
of covered employees (or about 36 
percent of the vaccine-hesitant), are 
hesitant due to a religious (4 percent) or 
medical (1 percent) exemption. The 
remaining 8.8 percent include those 
who are vaccine-hesitant for other 
reasons. For the 4 percent estimate for 
religious exemptions, OSHA relies on 
data from Vermont, which removed its 
vaccine exemption for nonreligious 
personal beliefs in 2016 and saw the 
proportion of kindergarten students 
with a religious exemption rise to about 
4 percent (Graham, September 15, 
2021). In analyzing this issue, the 
agency also reviewed other religious 
exemption data concerning state 
workers in Oregon and Washington; the 
agency decided not to rely on these data 
because the Vermont data is a more 
accurate measure of the correct religious 
exemption rate, although the data does 
represent parents deciding on whether 
to claim an exemption for their child, 
not for themselves. This is because, 
unlike the Vermont data, the Oregon 
and Washington data contain workers 
that have applied, but not yet been 
accepted, for a religious exemption 
(O’Sullivan, September 18, 2021; KEZI 
News, September 25, 2021). In Oregon, 
5 percent and in Washington 8 percent 
of the employees have requested 
accommodations though only a fraction 
so far have been accepted. However, the 
data are not inconsistent with the 
Vermont data even though the process 
in both Oregon and Washington are not 
yet complete. For the 1 percent estimate 
for medical exemptions, OSHA relied 
on the Household Pulse Survey (HPS) 
conducted by the U.S. Census (U.S. 
Census Bureau, 2021). In Table 6a of the 
Health Tables for Week 31, September 1, 
2021 through September 13, 2021, about 
1% of the US population said they 
would not get the vaccine because 
‘‘Doctor has not recommended it,’’ and 
OSHA uses this response as a proxy for 
all medical conditions.34 
Table IV.B.7 presents the number of 
employees in each vaccination category, 
which informs OSHA’s subsequent 
estimates of which currently 
unvaccinated employees may be 
vaccinated by employer-mandates, 
vaccinated under the ETS, or tested 
under the ETS. 
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35 OSHA notes that these estimates differ for 
employees covered by the Healthcare ETS. OSHA 
calculated these estimates separately because, as 
stated above, OSHA is only taking costs for these 
employees in the last four months of the assumed 
6-month period while the ETS remains in effect. 
While OSHA does not describe in detail how it 
derived estimates for employees covered by the 
Healthcare ETS in this analysis, the derivation of 
those estimates run parallel to those described 
above. For more information, please see the 
spreadsheets supporting this analysis. (OSHA, 
October 2021a). 
Next, OSHA estimates the number of 
currently unvaccinated employees that 
are likely to become vaccinated while 
the ETS is in effect, based on their 
employers’ policies. Based on limited 
data on current vaccine mandate 
implementation and forecasts for future 
implementation (Mishra and Hartstein, 
August 23, 2021; ASU COVID–19 
Diagnostic Commons, October 6, 2021), 
OSHA estimates that 25 percent of firms 
in scope currently have a mandate, and 
assumes that this will rise to 60 percent 
of employers after the ETS is in place. 
The baseline of 25 percent is based on 
recent surveys showing a range of 
approximately 13–45 percent of 
employers currently requiring or 
planning to require vaccination among 
employees (see Willis Towers Watson, 
June 23, 2021; Mishra and Hartstein, 
August 23, 2021; ASU COVID–19 
Diagnostic Commons, October 6, 2021). 
Absent the ETS, OSHA assumes that the 
percentage of firms would remain 25 
percent (with some measure of upward 
adjustment due to other federal vaccine 
mandates affecting select populations, 
as discussed above). To the extent more 
firms than OSHA estimates would 
mandate vaccination independent of the 
ETS and thereby increase the 
vaccination rate (again because of 
factors such as other federal vaccine 
mandates), then the agency’s costs are 
overestimated because the agency’s 
baseline vaccination rate is too low. The 
assumption of an increase from 25 to 60 
percent is based on the same set of 
surveys that indicate that the share of 
employers who will mandate 
vaccinations after the ETS (including 
those that already mandate 
vaccinations) range from 25–75 percent, 
see above references. The agency also 
assumes that employees are distributed 
in the same proportion across employers 
with and without a vaccine mandate 
(e.g., if 60 percent of firms mandate 
vaccination, 60 percent of employees 
will be vaccinated due to the mandate 
(less those who remain unvaccinated 
due to religious or medical exemptions). 
OSHA assumes that all unvaccinated 
employees subject to an employer 
mandate will be vaccinated under that 
employer mandate, except for those 
seeking a medical or religious 
exemption. For unvaccinated employees 
not subject to an employer mandate, 
OSHA assumes that they will also be 
vaccinated at their employer’s request, 
except for employees who are vaccine- 
hesitant, which includes not only those 
who remain unvaccinated for medical 
and religious reasons, but also those 
who are hesitant for any other reason. 
OSHA carries through its assumptions 
and estimates into its total cost 
estimates. For example, OSHA estimates 
that the 25 percent of firms in scope that 
currently have a vaccination mandate 
will not need to implement a new 
written policy on vaccination in 
response to the ETS since they will 
already have implemented a policy that 
meets the requirements of the ETS. 
In total, OSHA estimates that 27 
percent of covered employees (22.7 
million) will be vaccinated based on 
employer policies under the ETS; or 72 
percent of covered employees who are 
currently unvaccinated. The resulting 
vaccination rate, adjusted for the ETS, is 
estimated based on the total of those 
who are currently vaccinated and those 
who will be vaccinated under employer 
policies, 89.4 percent as shown in Table 
IV.B.8. Calculations of this nature, while 
not discussed in more detail in this 
analysis, are contained fully in the 
spreadsheets supporting this analysis 
(OSHA, October 2021a).35 
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From Table IV.B.8, OSHA estimates 
that approximately 75.3 million (89.4 
percent) of covered employees will be 
vaccinated when the ETS is in full 
effect, and that approximately 8.9 
million employees (10.6 percent, made 
up of approximately 6.3 million covered 
employees who will be tested for COVID 
under the ETS and approximately 2.6 
million employees who return to 
telework (see next paragraph)) will 
remain unvaccinated. This final set of 
unvaccinated employees includes all 
employees not vaccinated because of 
religious or medical accommodations or 
medical contraindication, plus the 
portion of those who are vaccine- 
hesitant for any other reason, who were 
not vaccinated because their employer 
has opted for a voluntary vaccination 
policy. 
From the above, OSHA estimates that 
about 5 percent of all covered 
employees will seek and receive 
religious or medical accommodations or 
exemption for medical contraindication. 
While the agency encourages employers 
to consider the most protective 
accommodations such as telework, 
which would prevent the employee 
from being exposed at work or from 
transmitting the virus at work, for cost 
analysis purposes the agency assumes 
these workers will largely be tested in 
order for their employers to comply 
with the ETS. Consistent with the 
overall average 22 percent of those who 
returned to work after teleworking 
earlier in the pandemic (see teleworking 
discussion above), OSHA assumes for 
this cost analysis that only 22 percent of 
workers needing a reasonable 
accommodation will return to full time 
telework as a reasonable 
accommodation. OSHA also assumes 
that the 78 percent remainder will 
follow the testing/masking protocols in 
the ETS as a reasonable accommodation. 
For hesitant employees who will not 
seek a religious or medical 
accommodation, and who work in a 
firm with a testing option, the agency 
assumes as above that those who were 
teleworking before (again on average 22 
percent) will return to telework rather 
than being tested. 
c. Cost of Absenteeism to Employers 
Even mild cases of Covid-19 can be 
costly to employers as they can induce 
productivity losses due to work 
absences, both among those infected 
and their close contacts who may be 
subject to quarantine requirements. 
While many workers were able to 
engage in telework in March-April 2020, 
several occupational groups deemed 
essential, including childcare workers, 
personal care aids, healthcare support 
occupations, and food processing 
workers, exhibited significantly higher 
rates of absenteeism during that period, 
which the authors attributed to some 
workers contracting COVID–19 
(Groenewold et al., July 10, 2020). 
Absenteeism can also affect the 
productivity of workers who are 
present, similar to how turnover can 
impose costs on incumbent workers 
(Kuhn and Yu, April 2021). 
In aggregate, productivity losses from 
absences can be costly, as evidenced by 
the economic losses from seasonal 
influenza. One estimate found that the 
United States loses 20.1 million days of 
economic productivity every year due to 
influenza, an ongoing loss equivalent to 
80,400 full-time worker-years (Putri et 
al., June 22, 2018). Another recent study 
found that higher influenza vaccination 
rates result in both fewer deaths and 
significantly reduced illness-related 
work absences (White, 2021). 
OSHA recognizes that absenteeism 
has been a problem. However, as 
explained in other sections of the 
preamble, the ETS vaccination and 
testing and face covering requirements 
are necessary to reduce the spread of 
COVID–19 in the workplace, which may 
in part reduce absenteeism. The ETS 
might in a limited sense also increase 
absenteeism because the rule requires 
employers to temporarily remove from 
the workplace any employee who 
receives a positive COVID–19 test or is 
diagnosed with COVID–19 by a licensed 
healthcare provider. However, this 
provision will also help to further 
reduce absenteeism because, when an 
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36 This survey done in August, 2021, has 1,630 
responses, reported by HR staff, attorneys, and 
executives. Described as being ‘‘from a variety of 
industries,’’ 83 percent of respondents were from 
companies with more than 100 employees. 
37 This August 2021 global survey (all results 
presented here are for the US only) has 1,143 
responses. It covers 28 industries, including: 
Technology and Software, Business and 
Professional Services, Manufacturing, Construction, 
and Healthcare. Ninety percent of respondents were 
from companies with more than 100 employees. 
38 BLS (March 11, 2021). 
39 Id. 
40 Umland, October 13, 2021. This October 2021 
survey has 1,059 total respondents, though only 365 
have implemented a vaccination mandate and 
answered this turnover question. 
infected employee is promptly removed 
from the workplace, that can prevent 
one employee from infecting other 
employees in the workplace and 
potentially causing an outbreak or a 
super-spreader event. Thus, OSHA 
concludes that the ETS may, on net, 
help ameliorate absenteeism by 
reducing illnesses, but in any event will 
not increase absenteeism (see OSHA, 
October 2021c). 
d. The Effect of Employee Turnover 
One of the primary concerns among 
employers in imposing vaccination 
mandates is loss of staff, with 60 percent 
of employers selecting it as a concern 
with regard to mandating COVID–19 
vaccination, according to one survey 
(Mishra and Hartstein, August 23, 
2021).36 To this end, employer 
vaccination mandates could lead to 
employee turnover; employees could 
either leave on their own volition or 
employers who have instituted strict 
vaccination policies may fire workers 
who are not vaccinated, or place them 
on unpaid leave. 
On the other hand, there is 
countervailing evidence to suggest that 
employers who implement a vaccine 
mandate will be met with an influx of 
potential workers. Many employees 
would prefer a mandate in place, and 
would be more likely to stay with, or 
apply to, a firm that had a vaccine 
mandate in place. For example, 
although Inova health system in 
Northern Virginia, lost 89 workers for 
noncompliance with the system’s 
vaccination mandate, that loss 
amounted to less than 0.5 percent of its 
workforce, (Portnoy, October 3, 2021), 
and, in any event, Inova’s CEO stated 
that the vaccine mandate has helped 
with recruitment, and that its workers 
are concerned for their own safety and 
want to know they are working with 
vaccinated colleagues. This same article 
listed some other Virginia healthcare 
systems with higher rates of loss in 
connection with vaccine mandates. 
Valley Health terminated 1 percent of its 
employees, while Luminis Health had 
about 2 percent of its workers still 
unvaccinated at the time of its mandate 
deadline. As another example, although 
United Airlines had 593 employees (out 
of the company’s 67,000 U.S. 
employees) who had not complied with 
the company’s vaccination mandate at 
the end of September (a number that 
dropped below 240 employees by 
October 1), the company reported it has 
received 20,000 applications for 2,000 
flight attendant positions, a much 
higher ratio than before the pandemic 
(Chokshi and Scheiber, October 2, 
2021). In addition, one survey reports 
that among employee resignations due 
to COVID–19 workplace policies, 42 
percent reported lack of workplace 
safety policies, 17 percent reported that 
existing workplace policies were not 
stringent enough, and only 39 percent 
reported overly restrictive workplace 
policies, suggesting that many 
employees will welcome vaccine 
mandates (ASU COVID–19 Diagnostic 
Commons, October 6, 2021).37 
While employee turnover is a natural 
part of business in any industry, higher 
employee turnover rate than normal can 
have a direct impact on profit and 
revenue. The normal range of employee 
turnover differs widely by industry, 
with an average turnover rate of about 
50 percent per year overall for the 
private sector.38 For example, between 
2016 and 2020, employee turnover 
ranged from 55 percent to 70 percent in 
the retail industry and from 40 percent 
to 60 percent in the transportation 
industry (the industry sectors with the 
highest employment).39 
OSHA acknowledges that a vaccine 
mandate may result in increased 
employee turnover, but one recent 
survey 40 suggests it is very unlikely that 
this potential increase in employee 
turnover will exceed the ranges that 
industries have experienced over time. 
The survey, though limited because 
many respondents did not have 
mandates in place at that time, shows 
that there was no impact on turnover for 
71 percent of those with mandates in 
place. Only 25 percent saw a slight 
increase in turnover (1 percent to 5 
percent above normal) and only 4 
percent saw a significant increase (more 
than 5 percent above normal). As such, 
OSHA does not anticipate that the 
potentially increased employee turnover 
attributable to vaccine mandates will be 
substantial enough to negate normal 
profit and revenue. 
To this end, an important factor to 
consider in examining turnover in 
connection with vaccine mandates is 
the unquantified cost savings and other 
positive economic impacts accruing to 
employers that institute vaccine 
mandates. These include reduced 
absenteeism due to fewer COVID–19 
illnesses and quarantines, as discussed 
above. Other positive economic impacts 
of a vaccine mandate are increased retail 
trade from customers that feel less at 
risk and better relations with suppliers 
and other business partners. These all 
would contribute to improved business 
and increased profits. 
The existence of these cost savings 
and other positive economic impacts 
accruing to employers that comply with 
the ETS suggests that the actual net 
costs of the ETS could be much lower 
than the costs reported in this section of 
the economic analysis. As OSHA 
discusses above, OSHA has provided 
evidence to support its estimate that 25 
percent of covered employers already 
voluntarily require that their employees 
be vaccinated and a much larger 
percentage are considering a vaccine 
mandate. This supports the conclusion 
that these businesses agree that doing so 
will ultimately save costs. 
In addition, under the ETS, employers 
may implement a policy that allows for 
testing and face covering instead. Firms 
will have a tendency to self-select: If a 
large proportion of its work force has 
indicated concern about a vaccine 
mandate, the firm is more likely to 
choose the testing option to retain their 
workers. This is one factor that led the 
agency to estimate that approximately 
40 percent of employers will allow 
employees to choose testing and face 
coverings in lieu of vaccination. To the 
extent employers are concerned about 
employee testing costs, employers can 
generally absorb testing costs or help 
employees reduce those costs through 
low-cost assistance such as employer 
proctoring of tests (even though that is 
not required by this ETS). Departure of 
personnel because of vaccine mandates 
is also likely to be less common when 
vaccine mandates are more prevalent 
across employers in a region or 
industry. One survey reports that 65 
percent of employers state that actions 
of other companies in their industry are 
very, or at least moderately, important 
in deciding to mandate vaccination 
(Mishra and Hartstein, August 23, 2021). 
Mandatory vaccinations for COVID– 
19 are still relatively new because 
vaccines only became available in 
quantities sufficient to support such 
mandates only about 6 months ago, and 
the FDA has only recently moved past 
emergency clearance to final clearance. 
While there is not an abundance of 
evidence about whether employees have 
actually left or joined an employer 
based on a vaccine mandate, 
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41 Two polls from June 2021, when the number 
of COVID–19 cases had dropped dramatically just 
before the Delta Variant led to a surge in cases, 
indicated that 50% of unvaccinated employees 
surveyed said that they would leave their job rather 
than accept a vaccination mandate from their 
employer. (KFF et al., June 30, 2021) (the same 
percentage also responded that ‘‘The number of 
cases is so low that there is no need for more people 
to get the vaccine.’’). A separate poll from the same 
time also stated that 48% of ‘‘vaccine hesitant’’ 
employees claimed they would quit their jobs rather 
than be vaccinated. (Barry et al., September 24, 
2021—citing yet unpublished June 2021 poll). In a 
more recent poll, about 44% of workers said that 
they would consider leaving their jobs if they were 
forced to get vaccinated, while around 38% of 
workers would consider leaving their current 
employer if the organization did not enact a vaccine 
mandate. (Kelly August 12, 2021). Interestingly, in 
that survey there was a direct correlation between 
the age of the worker and the desire to have a 
vaccinated workplace: Younger workers, usually 
the most mobile portion of the workforce, had a 
much higher desire for a vaccinated workforce 
(50% of Generation Z employees, as compared to 
33% of Baby Boomers). 
42 An article titled ‘‘Unvaccinated Workers Say 
They’d Rather Quit Than Get a Shot, but Data 
Suggest Otherwise’’ noted the 48%–50% threat to 
leave, but included hard data showing nothing 
close to those levels actually occurred: Houston 
Methodist Hospital required its 25,000 workers 
(including its 3,580 unvaccinated employees) to get 
a vaccine by June 7, and only 153 resigned or were 
fired (4% of the 3,580 unvaccinated employees; 
0.6% of the total number of employees); other 
examples of the numbers of employees who left in 
response to their employers’ mandatory vaccine 
policy involved 5 out of 527 (0.9%), 2 out of 250 
(0.8%), 6 out of 260 (3%), and 125 out of 35,800 
(0.3%). (Barry et al., September 24, 2021). 
43 Note to paragraph (d): Under federal law, 
including the Americans with Disabilities Act 
(ADA) and Title VII of the Civil Rights Act of 1964, 
some workers may be entitled to a reasonable 
accommodation from their employer, absent undue 
hardship. If the worker requesting a reasonable 
accommodation cannot be vaccinated against 
COVID–19 and/or wear a face covering because of 
a disability, as defined by the ADA, or if the 
vaccination, testing, and/or wearing a face covering 
conflicts with the worker’s sincerely held religious 
belief, practice or observance, the worker may be 
entitled to a reasonable accommodation. For more 
information about evaluating requests for these 
types of reasonable accommodations for disability 
or sincerely held religious belief, employers should 
consult the Equal Employment Opportunity 
Commission’s regulations, guidance, and technical 
assistance including at: https://www.eeoc.gov/wysk/ 
what-you-should-know-about-covid-19-and-ada- 
rehabilitation-act-and-other-eeo-laws. 
particularly one with an alternative 
allowing for testing in lieu of 
vaccination, OSHA has examined the 
best available evidence it could locate in 
the timeline necessary to respond with 
urgency to the grave danger addressed 
in this ETS. Based on that, OSHA is 
persuaded that the net effect of the 
OSHA ETS on employee turnover will 
be relatively small, given the option for 
employers to implement a testing and 
face covering policy and the 
countervailing forces surrounding 
turnover that will limit those effects, as 
discussed above. 
Finally, OSHA finds one line of 
evidence particularly persuasive 
because it involves data instead of polls: 
While different surveys may suggest 
different levels of worker intentions 
(joining or remaining with a safer 
employer versus leaving an employer to 
avoid vaccination),41 the data suggests 
that the number of employees who 
actually leave an employer is much 
lower than the number who claimed 
they might: 1% to 3% or less actually 
leave, compared to the 48–50% who 
claimed they would.42 As discussed 
earlier, this turnover number is well 
below the average turnover rate in most 
industries. Thus, OSHA concludes that 
whether or not the ETS proves helpful 
to recruitment efforts for some 
employers, it will not, on balance, add 
significant new costs to covered 
employers or threaten the economic 
feasibility of any industry during a six 
month period. 
OSHA seeks comments on these 
estimates and conclusions, as well as 
further data that it could use to refine 
its estimates. 
IV. Cost Analysis for COVID–19 
Vaccination and Testing ETS, 
§ 1910.501 
In this section, OSHA provides 
estimates of the per-entity and total 
costs for the requirements of this ETS. 
Section 6(c)(3) of the OSH Act states 
that the Secretary will publish a final 
standard ‘‘no later than six months after 
publication of the emergency standard.’’ 
Costs are therefore estimated over a six- 
month time period. Note that the 
estimates are presented in this section at 
the 3-digit NAICS level, but the analysis 
was conducted at the 6-digit NAICS 
level and aggregated to the 3-digit level 
for presentation purposes. The 6-digit 
NAICS level data is accessible in the 
supporting spreadsheet. It should be 
noted that this analysis deals strictly 
with averages. For any given entity, 
actual costs may be higher or lower than 
the point estimate shown here, but 
using an average allows OSHA to 
evaluate feasibility by industry as 
required by the OSH Act. In addition, 
OSHA has limited data on many of the 
parameters needed in this analysis and 
has estimated them based on the 
available data, estimates for similar 
requirements for other OSHA standards, 
consultation with experts in other 
government agencies, and internal 
agency judgment where necessary. 
OSHA’s estimates are therefore based on 
the best evidence available to the agency 
at the time this analysis of costs and 
feasibility was performed. 
As mentioned above, OSHA estimates 
that approximately 264,000 entities 
have employees who will be subject to 
the requirements of the ETS, including 
approximately 84.2 million employees. 
Many ETS requirements result in labor 
burdens that are monetized using the 
labor rates described next. 
a. Wage Rates 
OSHA used occupation-specific wage 
rates from BLS 2020 OEWS data (BLS, 
2021a). Within each affected 6-digit 
NAICS industry, OSHA calculated the 
employee-weighted average wage to be 
used in the analysis. OSHA estimated 
loaded wages using the BLS’ Employer 
Cost for Employee Compensation data 
(BLS, 2021b), as well as OSHA’s 
standard estimate for overhead of 17 
percent times the base wage. 
Costs are estimated using three labor 
rates for each NAICS industry: The 
average labor rate for all employees, the 
labor rate for General and Operations 
Managers (SOC code 11–1021), and the 
labor rate for Office Clerks, General 
(SOC 43–9060). Industry-specific wage 
rates are presented in Appendix C in the 
accompanying document in the docket, 
‘‘Vaccination and Testing ETS: 
Economic Profile and Cost Chapter 
Appendices (OSHA, October, 2021b).’’ 
b. Rule Familiarization, Employer 
Policy on Vaccination, and Information 
Provided to Employees 
ETS Requirements 
Section 1910.501(d)(1) of the ETS 
specifies that the employer must 
establish and implement a written 
mandatory vaccination policy. The 
employer is exempted from the 
requirement in paragraph (d)(1) only if 
the employer establishes and 
implements a written policy allowing 
any employee not subject to a 
mandatory vaccination policy to either 
choose to be fully vaccinated against 
COVID–19 or to provide proof of regular 
testing for COVID–19 in accordance 
with paragraph (g) of the ETS and to 
wear a face covering in accordance with 
paragraph (i) of the ETS.43 
In addition, under § 1910.501(j), 
information provided to employees, the 
ETS requires the employer to inform 
each employee, in a language and at a 
literacy level the employee understand 
about: (1) The requirements of the ETS 
as well as any employer policies and 
procedures established to implement 
the ETS; (2) COVID–19 vaccine efficacy, 
safety, and the benefits of being 
vaccinated; (3) the requirements of 29 
CFR 1904.35(b)(1)(iv) and Section 11(c) 
of the OSH Act; and (4) the prohibitions 
of 18 U.S.C. 1001 and Section 17(g) of 
the OSH Act. 
As stated, the ETS face covering 
requirements are contained in paragraph 
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44 The estimates for the time to create the written 
vaccine policy plan under this ETS may differ from 
the time to create the various processes under the 
CMS rule published elsewhere in this issue of the 
Federal Register since the requirements of what is 
needed to be included in the plans differ. For 
example, the CMS plan requires a process for 
ensuring the implementation of additional 
precautions to mitigate the transmission and spread 
of COVID–19 while OSHA’s vaccination policy 
requirements do not include this requirement. 
(i) of the ETS. Under that paragraph, the 
employer, with certain exceptions 
specified in the ETS, must ensure that 
each employee who is not fully 
vaccinated wears a face covering when 
indoors and when occupying a vehicle 
with another person for work purposes. 
The ETS does not require, nor does it 
prohibit, the employer to pay for any 
costs associated with face coverings 
(although employer payment for face 
coverings may be required by other 
laws, regulations, or collective 
bargaining agreements or other 
collectively negotiated agreements). 
However, the employer must permit the 
employee to wear a respirator instead of 
a face covering whether required or not. 
In addition, the employer may provide 
respirators or face coverings to the 
employee, even if not required. In such 
circumstances, where the employer 
provides respirators, the employer must 
also comply with § 1910.504, Mini 
respiratory protection program. 
OSHA estimates no costs associated 
with an employee voluntarily bringing 
in their own respirator to use instead of 
a face covering other than those costs 
that OSHA is estimating below in 
connection with 29 CFR 1910.501(j), 
information provided to employees. 
That section provides, again, that the 
employer must inform each employee, 
in a language and at a literacy level the 
employee understands about the 
requirements of the ETS as well as any 
employer policies and procedures 
established to implement the ETS. One 
policy the employer would need to 
establish to implement the ETS is a 
policy to comply with the requirements 
of 29 CFR 1910.504 when an employee 
voluntarily brings in their own 
respirator. Those requirements require 
only that the employer provide certain 
information to the employee (see 29 
CFR 1910.504(c)). 
OSHA is also estimating no costs in 
connection with the employer providing 
respirators to the employee. The ETS 
does not require the employer to 
provide respirators to employees. 
Therefore, any such provision is 
voluntary and not relevant to economic 
feasibility of this rule. 
The face covering provisions in 
paragraph (i) contain several other 
requirements, none of which have costs 
associated with them. 
Cost Analysis Assumptions 
In this section, OSHA estimates the 
cost for establishing the employer policy 
on vaccination, providing required 
information to employees, and rule 
familiarization. OSHA assumes each 
entity will require an average one-time 
labor burden of 1 hour of management 
labor for rule familiarization. OSHA 
based this unit cost on that taken for 
rule familiarization in the Healthcare 
ETS (86 FR at 32496), but adjusted the 
time downward by a half-hour because 
this ETS is a simpler standard than the 
Healthcare ETS. 
To establish a written policy in 
accordance with paragraph (d) of the 
ETS, OSHA assumes a one-time average 
labor burden of 5 hours of manager time 
per firm. OSHA bases this estimate on 
its cost estimates in the Healthcare ETS, 
where OSHA estimated that 
development of the COVID–19 Plan 
required by that standard would take 
between 5 and 40 hours (see 86 FR at 
32496–32497). OSHA concludes that 5 
hours is a reasonable estimate because 
the development of a written policy on 
vaccination will be much simpler than 
the development of the written COVID– 
19 Plan required by the Healthcare ETS 
(see 29 CFR 1910.502(c)).44 OSHA 
notes, that like the Healthcare ETS (id.), 
the cost of implementing the plan for 
this ETS are included in the costs of 
implementing the corresponding 
requirements in the ETS, which are 
discussed below. 
To provide information to employees 
in accordance with paragraph (j) of the 
ETS, OSHA assumes a one-time average 
labor burden per firm of 10 minutes of 
manager time. The agency expects 
activities like posting the information 
on a community board, mass emailing, 
etc., will satisfy this requirement. 
The total cost for rule familiarization, 
establishing an employer policy on 
vaccination and providing required 
information to employees is calculated 
as the product of: 
• One-time labor burden for rule 
familiarization and establishing a policy 
(a total of 6 hours of manager time per 
entity) plus a one-time labor burden for 
providing information to employees (10 
minutes of manager time per entity); 
• The labor rate for General and 
Operations Managers (SOC code 11– 
1021, NAICS-specific wages); and, 
• The total number of covered 
entities. 
Cost for Employer Policy on Vaccination 
and Information Provided to Employees 
Costs per entity and total costs for 
employer policy on vaccination and 
information provided to employees are 
shown below in Table IV.B.9. 
BILLING CODE 4120–01–P 
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BILLING CODE 4120–01–C 
c. Determining Employee Vaccination 
Status 
ETS Requirements 
Under § 1910.501(e): 
Paragraph (e)(1). The employer must 
determine the vaccination status of each 
employee. This determination must 
include whether the employee is fully 
vaccinated, which is 2 weeks after the 
full required vaccine course is 
completed. 
Paragraph (e)(2). The employer must 
require each vaccinated employee to 
provide acceptable proof of vaccination 
status, including whether they are fully 
or partially vaccinated. Acceptable 
proof of vaccination status is: 
• The record of immunization from a 
health care provider or pharmacy; 
• A copy of the COVID–19 
Vaccination Record Card; 
• A copy of medical records 
documenting the vaccination; 
• A copy of immunization records 
from a public health, state, or tribal 
immunization information system; or 
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45 While there may be some administrative costs 
borne by the government, such costs are not 
germane to this analysis of whether the ETS is 
economically feasible for covered employers. 
46 Prior to the effective date of this rule, some 
companies offered on-site vaccination according to 
a limited survey. (Willis Towers Watson, June 23, 
2021). See also CDC on creating an on-site program 
(CDC, March 25, 2021; CDC, October 4, 2021b). 
• A copy of any other official 
documentation that contains the type of 
vaccine administered, date(s) of 
administration, and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s). 
In instances where an employee is 
unable to produce acceptable proof of 
vaccination, per above, a signed and 
dated statement by the employee, 
subject to criminal penalties for 
knowingly providing false information: 
• Attesting to their vaccination status 
(fully vaccinated or partially 
vaccinated); and 
• Attesting that they have lost and are 
otherwise unable to produce proof 
required by the ETS. 
Paragraph (e)(3). Any employee who 
does not provide one of the acceptable 
forms of proof of vaccination status in 
paragraph (e)(2) of the ETS to the 
employer must be treated as not fully 
vaccinated for the purpose of the ETS. 
Paragraph (e)(4). The employer must 
maintain a record of each employee’s 
vaccination status and must preserve 
acceptable proof of vaccination for each 
employee who is fully or partially 
vaccinated. The employer must 
maintain a roster of each employee’s 
vaccination status. These records and 
roster are considered to be employee 
medical records and must be 
maintained as such records in 
accordance with 29 CFR 1910.1020 and 
must not be disclosed except as required 
or authorized by the ETS or other 
federal law. These records and roster are 
not subject to the retention requirements 
of 29 CFR 1910.1020(d)(1)(i) but must be 
maintained and preserved while the 
ETS remains in effect. 
Paragraph (e)(5). Finally, when an 
employer has ascertained employee 
vaccination status prior to the effective 
date of this section through another 
form of attestation or proof, and retained 
records of that ascertainment, the 
employer is exempt from the 
requirements in paragraphs (e)(1)–(e)(3) 
only for each employee whose fully 
vaccinated status has been documented 
prior to the effective date of this section. 
For purposes of paragraph (e)(4), the 
employer’s records of ascertainment of 
vaccination status for each such person 
constitute acceptable proof of 
vaccination. 
The full costs for these provisions are 
taken under the costs for recordkeeping, 
discussed below, because determining 
vaccination status, providing acceptable 
proof of vaccination status, and creating 
and maintaining a roster of each 
employee’s vaccination status will be 
part and parcel of the recordkeeping 
process. 
d. Employer Support for Employee 
Vaccination 
ETS Requirements 
Under 29 CFR 1910.501(f): 
The employer must support COVID– 
19 vaccination by providing: 
• Time for vaccination. The employer 
must: (i) Provide a reasonable amount of 
time to each employee for each of their 
primary vaccination series dose(s); and 
(ii) provide up to 4 hours paid time, 
including travel time, at the employee’s 
regular rate of pay for this purpose. 
• Time for recovery. The employer 
must provide reasonable time and paid 
sick leave to recover from side effects 
experienced following any primary 
vaccination series dose to each 
employee for each dose. 
Under the ETS, fully vaccinated 
means (i) a person’s status 2 weeks after 
completing primary vaccination with a 
COVID–19 vaccine with, if applicable, 
at least the minimum recommended 
interval between doses in accordance 
with the approval, authorization, or 
listing that is: (A) Approved or 
authorized for emergency use by the 
FDA; (B) listed for emergency use by the 
World Health Organization (WHO); or 
(C) administered as part of a clinical 
trial at a U.S. site, if the recipient is 
documented to have primary 
vaccination with the ‘‘active’’ (not 
placebo) COVID–19 vaccine candidate, 
for which vaccine efficacy has been 
independently confirmed (e.g., by a data 
and safety monitoring board), or if the 
clinical trial participant from the U.S. 
site had received a COVID–19 vaccine 
that is neither approved nor authorized 
for use by FDA but is listed for 
emergency use by WHO; or (ii) a 
person’s status 2 weeks after receiving 
the second dose of any combination of 
two doses of a COVID–19 vaccine that 
is approved or authorized by the FDA, 
or listed as a two-dose series by the 
WHO (i.e., heterologous primary series 
of such vaccines, receiving doses of 
different COVID–19 vaccines as part of 
one primary series). The second dose of 
the series must not be received earlier 
than 17 days (21 days with a 4-day grace 
period) after the first dose. 
Cost Analysis Assumptions 
OSHA assumes there will be no costs 
to employers or employees associated 
with the vaccine itself.45 However, to 
provide support for vaccination of 
employees, OSHA estimates that it will 
take an average of 15 minutes of travel 
time, each way, per employee to travel 
to a vaccination site (for a total of 30 
minutes). OSHA then estimates 5 
minutes to wait, fill out any necessary 
paperwork, and receive the shot, and a 
post-shot wait time of 20 minutes, per 
employee. Some firms, particularly 
larger ones, will find it cheaper to have 
vaccines administered on site. They 
may have an on-site health clinic or may 
hire a 3rd party purveyor to come to the 
facility.46 This will minimize travel and 
also allow the companies to mitigate 
some of the logistical issues that may be 
preventing employees from receiving a 
vaccine (finding a convenient 
appointment time, etc.). OSHA 
estimates that 10 percent of firms with 
employees between 100 to 500 
employees will select this option, while, 
given decreased average costs associated 
with economies of scale, 25 percent of 
firms with over 500 employees will 
select this option. OSHA was unable to 
obtain an estimate of the cost savings 
associated with on-site vaccination in 
the time allotted to issue this emergency 
standard, so it is assuming that the costs 
for off-site vaccination are the same as 
the costs for on-site vaccination. This 
results in a likely over-estimate of costs 
given that the entities that choose the 
on-site option will do so as a cost-saving 
measure. 
In OSHA’s cost analysis, OSHA 
assumes that all employees will be 
vaccinated during working hours and 
employers would adjust the employee 
work schedule to ensure that the 
employee would not become eligible for 
overtime pay as a result of the 
vaccination time. However, it should be 
noted that, if an employee chooses to 
receive the vaccine outside of work 
hours, OSHA does not require 
employers to grant paid time to the 
employee for the time spent receiving 
the vaccine during non-work hours 
(although other laws may include 
additional requirements for employers, 
such as those addressing reasonable 
accommodations or exemptions). 
OSHA’s analysis may be an 
overestimate as it reflects an assumption 
that all vaccinations are received during 
work hours. 
CDC data indicated that 5 percent of 
employees vaccinated have received the 
Johnson & Johnson vaccine, and 95 
percent have received either Pfizer or 
Moderna (CDC, October 2021b). OSHA 
applies the same allocation to 
employees being vaccinated under the 
ETS. For those receiving Pfizer or 
Moderna, the labor burden outlined 
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47 According to the CDC, people with allergies 
require a wait time of 30 minutes, but they are a 
small group, and, in any event, the CDC 
recommends that routine wait time is 15 minutes, 
so the agency considers that its average of 20 
minutes is probably an overestimate. (See CDC, 
October 4, 2021a; CDC, March 3,2021.) 
above occurs twice, since vaccination 
requires two shots. 
The employer must provide 
reasonable time and paid sick leave to 
recover from side effects experienced 
following any vaccination dose to each 
employee for each vaccination dose. 
Employers may require employees to 
use paid sick leave benefits otherwise 
provided by the employer to offset these 
costs, if available. The average amount 
of time off an employee may need for 
side effects while receiving the vaccine 
doses necessary to achieve full 
vaccination (one or two doses, 
depending on the vaccine) depends on 
several factors. First, the percentage of 
people who will have side effects that 
are severe enough to require time. 
Second, the average time duration for 
those who have such a severe reaction. 
For estimates of these parameters OSHA 
is using a recent study (Levi et al., 
September 29, 2021) which surveyed 
workers at a state-wide health care 
system who had been vaccinated. The 
study found that, for the first dose, 4.9% 
needed administrative leave, with an 
average length of absence of 1.66 days. 
For the second dose, 19.79% needed 
leave and their average length of 
absence was 1.39 days. Together, the 
average time on leave is .36 days (.049 
* 1.66 + .1979 * 1.39) for a person 
receiving two doses, which reflects the 
fact that many people who receive the 
vaccine do not have any side effects for 
either dose while others have more 
severe side effects. 
In order to determine the amount of 
paid sick leave that would be available 
to employees, OSHA relied on data from 
BLS (BLS, 2021e). BLS estimates that for 
civilian workers in establishments with 
100+ employees, 88% have access to 
paid sick leave (Table 33). BLS states 
that the average number of paid sick 
leave available is 9 days (Table 36). 
Because there is the same number of 
days across all levels of employee 
tenure (1 year, 5 years, 10 years, and 20 
years), OSHA used 9 days for all 
covered employees. The agency assumes 
that 75% of the available paid sick leave 
has been used by the current 4th quarter 
of the calendar year. So the average 
number of days available is 1.98 days: 
9 (days) * 88% (employees with 
available paid sick leave) * 25% 
(amount of leave remaining in the year) 
= 1.98 days available. Given that the 
average overall time out due to side 
effects is 0.36 days (see above), OSHA 
concludes that, on average, employees 
should have sufficient existing paid sick 
leave available to cover the time needed 
as a result of vaccine-related side 
effects. As a result, OSHA is taking no 
costs to employers in connection with 
the ETS’s requirement to provide time 
for recovery from vaccination (except as 
provided below), as these costs will 
have been incurred by the employer 
independent of the ETS. 
While this analysis is entirely 
consistent with OSHA’s standard 
procedure of strictly using averages in 
cost analysis, it nonetheless masks some 
significant effects resulting from the 
time for recovery requirements. From 
the BLS data, OSHA knows there are 
12% of establishments that have 100+ 
employees and do not provide paid sick 
leave. Correspondingly, there is a group 
of entities with no paid sick leave that 
will obviously incur costs that result 
directly from these requirements. In 
addition, some employees may not 
have, or some other entities may not 
offer, sufficient paid sick leave to cover 
these costs. 
To account for the 12 percent of firms 
that do not offer paid sick leave, the 
agency uses the above estimate of 
average days for two doses, 0.36 days, 
and multiplies the average employee 
wage by NAICS to calculate the cost per 
employee. Since OSHA does not know 
which firms make up the 12 percent, the 
agency spreads this total cost across all 
firms by employee. Since firms without 
any sick leave are likely to be lower- 
wage firms, this will likely lead to a cost 
overestimate. 
Therefore, the total cost for paid time 
off for vaccination is based on the costs 
for providing paid sick leave for the 12 
percent of firms that do not offer paid 
sick leave and: 
• Travel time per employee of 
covered firms of 15 minutes each way 
per vaccination dose (total of 30 
minutes). 
• Pre-shot wait time per employee of 
covered firms of 5 minutes per 
vaccination dose. 
• Post-shot wait time per employee of 
covered firms of 20 minutes per 
vaccination dose.47 
• The average labor rate for 
employees (NAICS-specific wages). 
• Total number of employees at 
covered firms getting vaccinated due to 
the ETS with the Johnson & Johnson 
vaccine. 
• Total number of employees at 
covered firms getting vaccinated due to 
the ETS with the Pfizer and Moderna 
vaccines, multiplied by two to account 
for two shots. 
Cost for Support for Employee 
Vaccination 
Costs per firm and total costs for 
vaccination are shown below in Table 
IV.B.10. 
BILLING CODE 4120–01–P 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
48 OSHA notes that while the testing required 
under this standard might be an option for 
employees who request a reasonable 
accommodation to avoid vaccination, other 
alternatives such as telework would be more 
protective to the employee by preventing COVID– 
19 exposure. These alternatives may also be 
available at no additional cost to the employer or 
employee. 
BILLING CODE 4120–01–C 
e. COVID–19 Testing for Employees 
Who Are Not Fully Vaccinated 
ETS Requirements 
Section 1910.501(g)(1) of the ETS 
requires the employer to ensure that 
each employee who is not fully 
vaccinated do the following: 
An employee who reports at least 
once every 7 days to a workplace where 
other individuals, such as coworkers or 
customers, are present: 
• Must be tested for COVID–19 at 
least once every 7 days; and 
• Must provide documentation of the 
most recent COVID–19 test result to the 
employer no later than the 7th day 
following the date on which the 
employee last provided a test result. 
An employee who does not report 
during a period of 7 or more days to a 
workplace where other individuals, 
such as coworkers or customers, are 
present (e.g., teleworking for two weeks 
prior to reporting to a workplace with 
others): 
• Must be tested for COVID–19 
within 7 days prior to returning to the 
workplace; and 
• Must provide documentation of that 
test result to the employer upon return 
to the workplace. 
Furthermore, if an employee does not 
provide documentation of a COVID–19 
test result as required by paragraph 
(g)(1) of the ETS, the employer must 
keep that employee removed from the 
workplace until they provide a test 
result. In addition, when an employee 
has received a positive COVID–19 test, 
or has been diagnosed with COVID–19 
by a licensed healthcare provider, the 
employer must not require that 
employee to undergo COVID–19 testing 
as required under paragraph (g) of this 
section for 90 days following the date of 
their positive test or diagnosis. Finally, 
the employer must maintain a record of 
each test result provided by each 
employee under paragraph (g)(1) of this 
section or obtained during tests 
conducted by the employer. These 
records are considered to be employee 
medical records and must be 
maintained as such records in 
accordance with 29 CFR 1910.1020 and 
must not be disclosed except as required 
or authorized by this section or other 
federal law. These records are not 
subject to the retention requirements of 
29 CFR 1910.1020(d)(1)(i) but must be 
maintained and preserved while this 
section remains in effect. 
OSHA addresses the costs associated 
with testing in the next section. The 
remaining costs required by paragraph 
(g) are taken under the costs for 
recordkeeping, discussed below, 
because providing documentation of test 
results to the employer will be part and 
parcel of the recordkeeping process. 
Employees who are partially 
vaccinated are also required to be tested 
weekly until they are fully vaccinated. 
Those receiving the J&J vaccine will 
require two weeks of testing after the 
single shot, employees who received the 
Pfizer-BioNTech Vaccine will require 5 
weeks of testing (3 weeks between shots 
and 2 weeks following the second shot), 
and Moderna recipients require 6 weeks 
of testing (4 weeks between shots and 2 
weeks following the second shot) (CDC, 
October 4, 2021b). Notwithstanding this, 
in the agency’s total cost estimate OSHA 
accounts for the fact that employers 
need not comply with the requirements 
of this section in paragraph (g) by 60 
days after the rule’s effective date, and 
that employees who have completed the 
entire primary vaccination series by that 
date do not have to be tested, even if 
they have not yet completed the 2 week 
waiting period. 
There is no requirement in the rule 
that the employer pay for this testing so 
these testing-related costs are not 
included in the main analysis (although, 
as discussed below OSHA takes into 
account costs for testing in connection 
with the ETS’s recordkeeping 
requirements). The agency estimates 
that 6.3 million weekly tests will need 
to be given due to this ETS (see Table 
IV.B.8). This 6.3 million is likely an 
overestimate of new costs because it 
encompasses tests for employees who 
were already required to conduct testing 
by their employers prior to this ETS. 
OSHA also notes that its cost 
estimates for testing do not take into 
account the 90-day break in testing that 
occurs following the date of a positive 
test or diagnosis. OSHA’s cost estimates 
are also potentially overcounting costs 
in that OSHA does not take into account 
that not all employees for whom testing 
is required will report at least once 
every 7 days to a workplace where other 
individuals, such as coworkers or 
customers, are present. Thus, OSHA’s 
estimate assumes that employees for 
whom testing is required will need to be 
tested at least once every 7 days and not 
less frequently as will often be the case. 
OSHA notes, in addition, that there 
are no costs associated with paragraph 
(g)’s removal provision. The ETS does 
not require the employer to provide 
paid time off to any employee for 
removal as a result of the employee’s 
refusal/failure to provide 
documentation of a COVID–19 test 
result as required by paragraph (g)(1) of 
the ETS. 
Finally, OSHA notes that a COVID–19 
test under the ETS is a test for SARS– 
CoV–2 that is: (i) Cleared, approved, or 
authorized, including in an Emergency 
Use Authorization (EUA), by the FDA to 
detect current infection with the SARS– 
CoV–2 virus (e.g., a viral test); (ii) 
Administered in accordance with the 
authorized instructions; and (iii) Not 
both self-administered and self-read 
unless observed by the employer or an 
authorized telehealth proctor. Examples 
of tests that satisfy this requirement 
include tests with specimens that are 
processed by a laboratory (including 
home or on-site collected specimens 
which are processed either individually 
or as pooled specimens), proctored over- 
the-counter tests, point of care tests, and 
tests where specimen collection and 
processing is either done or observed by 
an employer. Employers may have costs 
associated with doing, observing or 
proctoring employee testing, if 
employers choose to do so. However, for 
economic feasibility purposes, OSHA 
does not account for these costs in its 
estimates because they are not required 
for compliance with the ETS. 
Costs Associated with Reasonable 
Accommodation: Testing, Face 
Coverings, and Determinations 
The ETS does not require the 
employer to pay for any costs associated 
with testing; however employer 
payment for testing may be required by 
other laws, regulations, or collective 
bargaining agreements. Thus, while 
OSHA does not include any costs for 
reasonable accommodation requests in 
its main cost analysis in recognition that 
such costs would result from the 
application of other laws, OSHA notes 
that even if employers were to agree to 
pay for COVID–19 testing as part of a 
reasonable accommodation or some 
other reason required by law, such costs 
would not alter OSHA’s findings 
regarding the economic feasibility of the 
rule.48 OSHA reached this conclusion 
after conducting a separate analysis of 
reasonable accommodation costs that an 
employer might assume if they do not 
represent an undue hardship for the 
employer. This analysis is available in 
the docket at OSHA, October 2021d. 
OSHA notes that this separate 
analysis is limited to employees who 
request accommodation, and accounts 
for costs of reviewing medical and/or 
religious accommodation requests, as 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
49 These counts represent hospitalizations and 
fatalities that would occur to the in-scope labor 
force despite the ETS. The numbers are derived 
using methodology similar to that used in Health 
Impacts to generate hospitalizations and fatalities 
prevented. An infection rate and case fatality rate 
are multiplied by the number of unvaccinated 
workers to derive a total number of fatalities. That 
number is used to derive hospitalizations. The 
number of hospitalizations and fatalities to 
vaccinated employees is calculated in a similar 
fashion, but with a lower infection rate because 
vaccination makes it considerably less likely that an 
individual will be tested and found to be infected. 
See (OSHA, October 2021a and OSHA, October 
2021c). One difference in methodology between 
these counts and the Health Impacts analysis is that 
these counts use a baseline of the last 19 months 
of CDC data to estimate the case fatality rate (similar 
to Alternative C in the Health Impacts analysis), 
rather than a baseline of the last 6 months (which 
OSHA used for the main Health Impacts analysis). 
This results in an estimate toward the upper bound 
for these counts (i.e., an overestimate of costs). 
well as costs for COVID–19 testing and 
face coverings that would satisfy the 
requirements of this ETS. OSHA expects 
a reasonable accommodation request 
could lead to a review of the employee’s 
request by a manager and then a 
conference between the manager and 
the employee. OSHA concludes that the 
combination of these costs would not 
alter OSHA’s findings regarding the 
economic feasibility of the ETS. 
f. Employee Notification to Employer of 
a Positive COVID–19 Test and Removal 
ETS Requirements 
Under § 1910.501(h): 
Regardless of COVID–19 vaccination 
status or any COVID–19 testing required 
under paragraph (g) of the ETS, the 
employer must: 
• Require each employee to promptly 
notify the employer when they receive 
a positive COVID–19 test or are 
diagnosed with COVID–19 by a licensed 
healthcare provider; and 
• Immediately remove from the 
workplace any employee who receives a 
positive COVID–19 test or is diagnosed 
with COVID–19 by a licensed healthcare 
provider and keep the employee 
removed until the employee: (i) 
Receives a negative result on a COVID– 
19 nucleic acid amplification test 
(NAAT) following a positive result on a 
COVID–19 antigen test if the employee 
chooses to seek a NAAT test for 
confirmatory testing; (ii) meets the 
return to work criteria in CDC’s 
‘‘Isolation Guidance’’ (incorporated by 
reference, § 1910.509); or (iii) receives a 
recommendation to return to work from 
a licensed healthcare provider. 
Costs Analysis Assumptions 
The ETS does not require employers 
to provide paid time off to any 
employee for removal from the 
workplace as a result of a positive 
COVID–19 test or diagnosis of COVID– 
19; however paid time off may be 
required by other laws, regulations, or 
collective bargaining agreements or 
other collectively negotiated 
agreements. Therefore, there are no 
costs associated with paragraph (h)’s 
removal provision. 
With respect to notification, to the 
extent employee notification is 
connected to the ETS’s testing and 
documentation requirements in 
paragraph (g), those costs to the 
employer are taken under the costs for 
recordkeeping, discussed below, 
because, as explained above, receiving 
documentation of test results under 
paragraph (g) will be part and parcel of 
the recordkeeping process. 
OSHA notes also that the costs 
associated with employee notification 
by vaccinated employees (not required 
by this ETS to undergo testing) should 
also be negligible because it will not 
occur with any real frequency. The very 
low breakthrough rates of infection 
among vaccinated persons suggests that 
the overwhelming majority of COVID– 
19 cases reported to a covered employer 
will be in the pool of unvaccinated 
employees. 
g. Reporting COVID–19 Fatalities and 
Hospitalizations to OSHA 
ETS Requirements 
Under § 1910.501(j): 
The employer must report to OSHA: 
• Each work-related COVID–19 
fatality within 8 hours of the employer 
learning about the fatality. 
• Each work-related COVID–19 in- 
patient hospitalization within 24 hours 
of the employer learning about the in- 
patient hospitalization. 
When reporting COVID–19 fatalities 
and in-patient hospitalizations to OSHA 
in accordance with paragraph (j)(1) of 
the ETS, the employer must follow the 
requirements in 29 CFR part 1904.39, 
except for 29 CFR part 1904.39(a)(1) and 
(2) and (b)(6). 
Cost Analysis Assumptions 
OSHA estimates a total of 1,464 
fatalities and 59,570 hospitalizations for 
employees of covered firms.49 This 
analysis is broadly consistent, using 
updated data, with OSHA’s analysis of 
a nearly identical provision in 29 CFR 
1910.502, the Healthcare ETS. OSHA 
also estimates, based on the Healthcare 
ETS, that reporting of each fatality and 
hospitalization will require 45 minutes 
of an employer’s time (86 FR at 32516). 
This includes hospitalizations and 
fatalities for employees that remain 
unvaccinated, as well as a small 
percentage of hospitalizations and 
fatalities of vaccinated employees due to 
breakthrough cases. Because of the 
timing requirements in the rule, the 
agency assumes that a hospitalization 
followed by a death will need two 
reports from the employer (i.e., the 
agency assumes that reporting for 
hospitalizations will occur within 8 
hours, before reporting for fatalities 
occurs, within 24 hours). This will 
result in a slight over-estimate. 
The total cost for reporting COVID–19 
fatalities and hospitalizations to OSHA 
is calculated as the product of: 
• One-time labor burden of 45 
minutes per report of hospitalization or 
fatality. 
• Wage range for General and 
Operations Managers (SOC code 11– 
1021, NAICS-specific wages). 
• Total number of fatalities for 
employees at covered firms. 
• Total number of hospitalizations for 
employees at covered firms. 
Cost for Reporting COVID–19 Fatalities 
and Hospitalizations to OSHA 
Costs per entity and total costs for 
vaccination are shown below in Table 
IV.B.11. 
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h. Recordkeeping 
ETS Requirements 
As discussed above, the full costs for 
the requirements in paragraph (e) of the 
ETS are taken under the costs for 
recordkeeping because determining 
vaccination status, providing acceptable 
proof of vaccination status, and creating 
and maintaining a roster of each 
employee’s vaccination status will be 
part and parcel of the recordkeeping 
process. Under paragraph (e)(4) of the 
ETS, the employer must maintain a 
record of each employee’s vaccination 
status and must preserve acceptable 
proof of vaccination for each employee 
who is fully or partially vaccinated. The 
employer must also maintain a roster of 
each employee’s vaccination status. 
These records and roster are considered 
to be employee medical records and 
must be maintained in accordance with 
29 CFR 1910.1020 as such records and 
must not be disclosed except as required 
or authorized by the ETS or other 
federal law. These records and roster are 
not subject to the retention requirements 
of 29 CFR 1910.1020(d)(1)(i) but must be 
maintained and preserved while the 
ETS remains in effect. 
With respect to vaccination, it should 
be noted that, under paragraph (e)(5) of 
the ETS, when an employer has 
ascertained employee vaccination status 
prior to the effective date of this section 
through another form of attestation or 
proof, and retained records of that 
ascertainment, the employer is exempt 
from the determination of vaccination 
requirements in paragraphs (e)(1)–(e)(3) 
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50 The cost of providing to the Assistant Secretary 
for examination and copying the employer’s written 
policy required by paragraph (d) of the ETS will be 
de minimis. 
only for each employee whose fully 
vaccinated status has been documented 
prior to the effective date of this section. 
For purposes of the recordkeeping 
requirements in paragraph (e)(4), the 
employer’s records of ascertainment of 
vaccination status for each such person 
constitute acceptable proof of 
vaccination. OSHA estimates, based on 
this provision, that 60% of employees 
who were vaccinated prior to the 
promulgation of the ETS will not need 
to document vaccination status in 
connection with paragraph (e) (ASU 
COVID–19 Diagnostic Commons, 
October 6, 2021). 
As also discussed above, the costs for 
the requirements for documenting test 
results in paragraph (g), including the 
timing for when recordkeeping costs for 
testing accrue under the ETS, are taken 
under the costs for recordkeeping 
because providing documentation of test 
results to the employer will be part and 
parcel of the recordkeeping process. 
Under paragraph (g)(4) of the ETS, the 
employer must maintain a record of 
each test result provided by each 
employee under paragraph (g)(1) of the 
ETS or obtained during tests conducted 
by the employer. These records must be 
maintained in accordance with 29 CFR 
1910.1020 and must not be disclosed 
except as required or authorized by this 
section or other federal law. These 
records are not subject to the retention 
requirements of 29 CFR 
1910.1020(d)(1)(i) but must be 
maintained and preserved while this 
section remains in effect. 
With respect to testing, it should be 
noted that, under paragraph (m) of the 
ETS, employers are not required to 
comply with the requirements in 
paragraph (g) of the ETS until 60 days 
after the effective date of the ETS, 
meaning that for cost analysis purposes 
OSHA assumes that employers would 
not receive any testing records until the 
end of that 60-day period. 
Finally, under paragraph 
1910.501(l)(1) of the ETS, availability of 
records, by the end of the next business 
day after a request, the employer must 
make available, for examination and 
copying, the individual COVID–19 
vaccine documentation and any 
COVID–19 test results for a particular 
employee to that employee and to 
anyone having written authorized 
consent of that employee. In addition, 
under paragraph 1910.501(l)(2) of the 
ETS, by the end of the next business day 
after a request by an employee or an 
employee representative, the employer 
must make available to the requester the 
aggregate number of fully vaccinated 
employees at a workplace along with 
the total number of employees at that 
workplace. Under paragraph 
1910.501(l)(3) of the ETS, the employer 
must also provide to the Assistant 
Secretary for examination and copying: 
(i) Within 4 business hours of a request, 
the employer’s written policy required 
by paragraph (d) of the ETS, and the 
aggregate numbers described in 
paragraph (l)(2) of the ETS; and (ii) By 
the end of the next business day after a 
request, all other records and other 
documents required to be maintained by 
the ETS. 
Cost Analysis Assumptions 
To fulfill the recordkeeping 
requirements in the ETS, OSHA 
estimates that it will take an average of 
5 minutes of clerical time per employee 
record. OSHA bases this cost estimate 
on the estimate for recordkeeping in the 
Healthcare ETS (86 FR at 32515). While 
OSHA estimated an average of 10 
minutes of clerical time per employee 
record in the Healthcare ETS, that 
standard includes more extensive 
recordkeeping requirements than what 
is being required under this ETS. See 29 
CFR 1910.502(q)(2)(ii) (Healthcare ETS 
record must contain, for each instance, 
the employee’s name, one form of 
contact information, occupation, 
location where the employee worked, 
the date of the employee’s last day at the 
workplace, the date of the positive test 
for, or diagnosis of, COVID–19, and the 
date the employee first had one or more 
COVID–19 symptoms, if any were 
experienced). 
In addition, OSHA includes in this 
estimate 5 minutes of employee time to 
provide documentation of vaccination 
status or testing, as applicable, to the 
employer. OSHA notes that, for an 
employee who is vaccinated, the 
employer will determine the 
vaccination status of that employees and 
obtain acceptable proof of vaccination 
status at the same time, thus negating 
the need to create two separate records 
for these requirements. 
OSHA notes that there will be a cost 
associated with setting up the 
recordkeeping system (e.g., a 
spreadsheet) used to comply with the 
ETS. OSHA takes these costs in 
connection with the costs for the 
employer policy on vaccination, which 
are described above. 
Given the relative complexity of 
recordkeeping in the Healthcare ETS, 
OSHA has simplified its assumptions to 
reflect a variety of small costs in a 
combined estimate. As in the Healthcare 
ETS, the cost estimate of 5 minutes per 
event is likely much higher than 
necessary to account for just the actions 
of receiving and maintaining copies of 
records, so retaining this time will yield 
a tendency toward overestimation. 
However, this cost also reflects a margin 
to encompass additional outlier costs 
such as a second documentation of 
vaccination status for all employees 
who need to submit documentation 
twice (first for partial vaccination and 
then for full vaccination) under the ETS. 
This 5 minutes for recordkeeping also 
encompasses the marginal time for 
creating and maintaining a roster of 
each employee’s vaccination status 
(paragraph (e)) and making aggregate 
employee data available (paragraph (l)). 
Since normally the system used for 
recordkeeping will be electronic in 
businesses with more than 100 
employees, the time to create an 
aggregate report and a roster should be 
de minimis. Finally, this inflated 
recordkeeping cost encompasses time 
for employee notification to the 
employer of a positive COVID–19 test 
connected to the ETS’s testing and 
documentation requirements in 
paragraph (g),which is a notification 
under paragraph (h). Finally, the burden 
of making available, for examination 
and copying, the individual COVID–19 
vaccine documentation and any 
COVID–19 test results for a particular 
employee are included in this estimate 
because this documentation will 
normally be pulled from the electronic 
recordkeeping system described 
above.50 
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The total cost for these requirements 
is calculated based on: 
• One-time labor burden of 5 minutes 
of employee labor to provide 
documentation and 5 minutes of clerk 
labor per employee record (one record 
per test administered and one record per 
documentation of vaccination status). 
• The average labor rate for Office 
Clerks, General (SOC 43–9060, NAICS- 
specific wages) and employees 
providing documentation (average wage 
over all employees, NAICS-specific 
wages) 
• Total number of employees at 
covered firms getting vaccinated due to 
the ETS with the Johnson & Johnson 
vaccine, who receive one shot. 
• Total number of employees at 
covered firms getting vaccinated due to 
the ETS with the Pfizer-BioNTech and 
Moderna vaccines, multiplied by two to 
account for two shots. 
• Total number of tests for employees 
at covered firms who are unvaccinated 
and will get vaccinated by receiving the 
Johnson and Johnson vaccine. 
• Total number of tests for employees 
at covered firms who are unvaccinated 
and will get vaccinated by receiving the 
Pfizer and Moderna vaccines. 
• Total number of employees at 
covered firms who are unvaccinated and 
will be tested weekly. 
Cost for Recordkeeping 
Costs per entity and total costs for 
recordkeeping are shown below in Table 
IV.B.12. 
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i. Summary of Total Cost 
Total Cost and Total Cost per Entity 
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j. Sensitivity Analysis 
As stated above, based on limited data 
on current vaccine mandate 
implementation and forecasts for future 
implementation (Mishra and Hartstein, 
August 23, 2021; ASU COVID–19 
Diagnostic Commons, October 6, 2021), 
OSHA estimates that 25 percent of firms 
in scope currently have a vaccination 
mandate, and assumes that this will rise 
to 60 percent of covered employers after 
the ETS is in place. Because the agency 
has no historic reference on which to 
base its assumptions regarding vaccine 
mandates, the agency adjusted the 
percentage of firms that will institute a 
vaccine mandate because of the ETS as 
part of a sensitivity analysis. Along with 
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the baseline estimate of 60 percent of 
firms having a mandate, the agency 
looked at a vaccine mandate rate of 40 
percent and 80 percent for covered 
firms, which OSHA judged to be a 
reasonable range based on the data 
available. The total costs associated 
with a 40 percent vaccine mandate are 
$2.998 billion, and the total costs 
associated with an 80 percent vaccine 
mandate are $2.964 billion. This 
compares to the baseline costs 
associated with a 60 percent vaccine 
mandate of $2.981 billion. A higher 
vaccine mandate increases the share of 
employees who get vaccinated while 
reducing the share that must get weekly 
testing. It is this shift in shares that 
causes the costs to change because the 
total costs associated with weekly 
testing (recordkeeping) are more 
expensive than the total costs associated 
with vaccination under the ETS 
(employer support for vaccination, 
recordkeeping). 
References 
ASU COVID–19 Diagnostic Commons. (2021, 
October 6). https://chs.asu.edu/ 
diagnostics-commons/workplace- 
commons. (ASU COVID–19 Diagnostic 
Commons, October 6, 2021) 
Barrero J et al. (2021, April). Why Working 
From Home Will Stick. Becker Friedman 
Institute Working Paper No. 2020–174. 
https://bfi.uchicago.edu/wp-content/ 
uploads/2020/12/BFI_WP_2020174.pdf. 
(Barrero et al., April 2021) 
Barry J et al. (2021, September 24). 
Unvaccinated Workers Say They’d 
Rather Quit Than Get a Shot, but Data 
Suggest Otherwise. Scientific American. 
https://www.scientificamerican.com/ 
article/unvaccinated-workers-say-theyd- 
rather-quit-than-get-a-shot-but-data- 
suggest-otherwise/. (Barry et al., 
September 24, 2021) 
Bick A et al. (2021, February). Work from 
Home Before and After the COVID–19 
Outbreak. Federal Reserve Bank of Dallas 
No. 2017, Revised February 2021. 
https://doi.org/10.24149/wp2017r2. 
(Bick et al., February 2021) 
Brynjolfsson E et al. (2020, June). COVID–19 
and Remote Work: An Early Look At US 
Data. National Bureau of Economic 
Research. https://www.nber.org/system/ 
files/working_papers/w27344/ 
w27344.pdf. (Brynjolfsson et al., June 
2020) 
Bureau of Labor Statistics (BLS). (2017). 
Quarterly Census of Employment and 
Wages (QCEW). https://www.bls.gov/ 
cew/. (BLS, 2017) 
Bureau of Labor Statistics (BLS). (2020). 
Occupational Requirements Survey 
(ORS). https://www.bls.gov/ors/. (BLS, 
2020) 
Bureau of Labor Statistics (BLS). (2021a). 
Occupational Employment and Wage 
Statistics (OEWS) Survey, May 2020. 
https://www.bls.gov/oes/. (BLS, 2021a) 
Bureau of Labor Statistics (BLS). (2021b). 
Employer Costs for Employee 
Compensation by Ownership, All 2018 
Civilian Wages and Salaries, March 
2021. https://www.bls.gov/news.release/ 
archives/ecec_06172021.pdf. (BLS, 
2021b) 
Bureau of Labor Statistics (BLS). (2021c). 
Current Population Survey, Table 2. 
Employed persons who teleworked or 
worked at home for pay at any time in 
the last 4 weeks because of the 
coronavirus pandemic by usual full- or 
part-time status, occupation, industry, 
and class of worker; Persons who 
teleworked because of the coronavirus 
pandemic. https://www.bls.gov/cps/ 
effects-of-the-coronavirus-covid-19- 
pandemic.htm#data. (BLS, 2021c) 
Bureau of Labor Statistics (BLS). (2021d). 
Current Population Survey, Household 
Data, Annual Averages, Employment 
status of the civilian noninstitutional 
population by age, sex, and race, Civilian 
noninstitutional population. https://
www.bls.gov/cps/cpsaat03.htm. (BLS, 
2021d) 
Bureau of Labor Statistics (BLS). (2021e). 
National Compensation Survey: 
Employee Benefits in the United States, 
March 2021. https://www.bls.gov/ncs/ 
ebs/benefits/2021/employee-benefits-in- 
the-united-states-march-2021.pdf. (BLS, 
2021e) 
Centers for Disease Control and Prevention 
(CDC). (2021, March 3). Interim 
Considerations: Preparing for the 
Potential Management of Anaphylaxis 
after COVID–19 Vaccination. https://
www.cdc.gov/vaccines/covid-19/clinical- 
considerations/managing- 
anaphylaxis.html. (CDC, March 3, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, March 25). Workplace 
Vaccination Program. https://
www.cdc.gov/coronavirus/2019-ncov/ 
vaccines/recommendations/ 
essentialworker/workplace-vaccination- 
program.html. (CDC, March 25, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021a, October). Trends in 
COVID–19 Vaccine Confidence in the 
US. https://covid.cdc.gov/covid-data- 
tracker/#vaccine-confidence. (CDC, 
October 2021a) 
Centers for Disease Control and Prevention 
(CDC). (2021b, October). COVID–19 
Vaccinations in the United States. 
https://covid.cdc.gov/covid-data-tracker/ 
#vaccinations_vacc-total-admin-rate- 
total. (CDC, October 2021b) 
Centers for Disease Control and Prevention 
(CDC). (2021a, October 4). Demographic 
Characteristics of People Receiving 
COVID–19 Vaccinations in the United 
States. https://covid.cdc.gov/covid-data- 
tracker/#vaccination-demographic. 
(CDC, October 4, 2021a) 
Center for Disease Control and Prevention 
(CDC). (2021b, October 4). COVID–19 
Vaccines That Require 2 Shots. https:// 
www.cdc.gov/coronavirus/2019-ncov/ 
vaccines/second-shot.html. (CDC, 
October 4, 2021b) 
Cerullo M. (2021, August 31). The New 
Return Office Date for Google? Try 2022. 
CBS News. https://www.cbsnews.com/ 
news/return-to-office-big-companies- 
corporations-covid-pandemic/. (Cerullo, 
August 31, 2021) 
Chesto J. (2021, June 22). Almost 40 percent 
of remote workers in Mass. won’t be back 
in the office until January, at the earliest. 
Boston Globe. https://
www.bostonglobe.com/2021/06/22/ 
business/back-office-not-so-fast/. 
(Chesto, June 22, 2021) 
Chokshi N and Scheiber N. (2021, October 2). 
Inside United Airlines’ Decision to 
Mandate Coronavirus Vaccines. The New 
York Times. https://www.nytimes.com/ 
2021/10/02/business/united-airlines- 
coronavirus-vaccine-mandate.html. 
(Chokshi and Scheiber, October 2, 2021) 
Courtney E. (2021, September 27). 30 
Companies Switching to Long-Term 
Remote Work. flexjobs. https://
www.flexjobs.com/blog/post/companies- 
switching-remote-work-long-term/. 
Accessed September 27, 2021. (Courtney, 
September 27, 2021). 
Dingel J and Neiman B. (2020, July). How 
many jobs can be done at home? Journal 
of Public Economics. Volume 189, July 
2020, 104235. https://
www.sciencedirect.com/science/article/ 
pii/S0047272720300992. (Dingel and 
Neiman, July 2020) 
Graham R. (2021, September 15). Vaccine 
Resistors Seek Exemptions. But What 
Counts as Religious? The New York 
Times. https://www.nytimes.com/2021/ 
09/11/us/covid-vaccine-religion- 
exemption.html. (Graham, September 15, 
2021) 
Groenewold M et al., (2020, July 10). 
Increases in Health-Related Workplace 
Absenteeism Among Workers in 
Essential Critical Infrastructure 
Occupations During the COVID–19 
Pandemic—United States, March–April 
2020. Centers for Disease Control and 
Prevention MMWR Vol. 69, No. 27. 
https://www.cdc.gov/mmwr/volumes/69/ 
wr/mm6927a1.htm. (Groenewold et al., 
July 10, 2020) 
Kaiser Family Foundation (KFF). (2021, June 
30). KFF COVID–19 Vaccine Monitor: 
June 2021. https://www.kff.org/ 
coronavirus-covid-19/poll-finding/kff- 
covid-19-vaccine-monitor-june-2021/. 
(KFF, June 30, 2021) 
Kelly J. (2021, August 12) Study Shows That 
44% Of Employees Would Quit If 
Ordered To Get Vaccinated. https://
www.forbes.com/sites/jackkelly/2021/08/ 
12/study-shows-that-44-of-employees- 
would-quit-if-ordered-to-get-vaccinated/. 
(Kelly, August 12, 2021) 
KEZI News. (2021, September 25). Here’s 
How Many Oregon State Employees 
Have Requested a COVID Vaccine 
Exemption. https://www.kezi.com/ 
content/news/Heres-how-many-Oregon- 
state-employees-have-requested-a- 
COVID-vaccine-exemption- 
575395141.html. (KEZI News, September 
25, 2021) 
Kuhn P and Yu L. (2021, April). How Costly 
is Turnover? Evidence from Retail. 
Journal of Labor Economics 39(2), 461– 
496. https://doi.org/10.1086/710359. 
(Kuhn and Yu, April, 2021) 
Lazer D et al. (2021, August 16). The COVID 
States Project: A 50-State Survey, Report 
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51 These results are presented in the Excel ETS 
Revenue Threshold Test Tables available in the 
Docket for this ETS. The data used for six-digit 
NAICS were from the Bureau of the Census, 
available every five years (2002, 2007, 2012, 2107). 
#62: COVID–19 Vaccine Attitudes 
Among Healthcare Workers. The COVID 
States Project Report 62. https://
covidstates.org/reports. (Lazer et al., 
August 16, 2021) 
Levi M et al. (2021, September 29). COVID– 
19 mRNA vaccination, reactogenicity, 
work-related absences and the impact on 
operating room staffing: A cross- 
sectional study. https://
www.ncbi.nlm.nih.gov/pmc/articles/ 
PMC8479312/. (Levi et al., September 29, 
2021). 
Mishra D and Hartstein B. (2021, August 23). 
Littler COVID–19 Vaccine Employer 
Survey Report—Delta Variant Update. 
https://www.littler.com/publication- 
press/press/littler-survey-employers- 
increasingly-consider-vaccine-mandates- 
covid-19. (Mishra and Hartstein, August 
23, 2021) 
National Agricultural Statistics Service 
(NASS). (2017). Census of Agriculture. 
https://www.nass.usda.gov/Quick_Stats/ 
CDQT/chapter/1/table/1. (NASS, 2017) 
O’Sullivan J. (2021, September 18). 
Washington state workers are getting 
exemptions to avoid the COVID–19 
vaccine—but will they keep their jobs? 
Seattle Times. https://
www.seattletimes.com/seattle-news/ 
politics/washington-state-workers-are- 
getting-exemptions-to-avoid-the-covid- 
19-vaccine-but-will-they-keep-their-jobs/. 
(O’Sullivan, September 18, 2021). 
Occupational Safety and Health 
Administration (OSHA). (2021, 
September 25). State Plans. https://
www.osha.gov/stateplans/faqs. (OSHA, 
September 25, 2021) 
Occupational Safety and Health 
Administration (OSHA). (2021a, 
October). Analytical Spreadsheets in 
Support of the COVID–19 Vaccination 
and Testing ETS. (OSHA, October 2021a) 
Occupational Safety and Health 
Administration (OSHA). (2021b, 
October). COVID–19 Vaccination and 
Testing ETS: Economic Profile and Cost 
Chapter Appendices. (OSHA, October 
2021b) 
Occupational Safety and Health 
Administration (OSHA). (2021c, 
October). Health Impacts of the COVID– 
19 Vaccination and Testing ETS. (OSHA, 
October 2021c) 
Occupational Safety and Health 
Administration (OSHA). (2021d, 
October). Costs Associated with 
Reasonable Accommodation: Testing, 
Face Coverings, and Determinations. 
(OSHA, October 2021d) 
Portnoy J. (2021, October, 3). Several 
hundred Virginia health-care workers 
have been suspended or fired over 
coronavirus vaccine mandates. The 
Washington Post. https://
www.washingtonpost.com/local/covid- 
vaccine-mandate-hospitals-virginia/ 
2021/10/01/b7976d16-21ff-11ec-8200- 
5e3fd4c49f5e_story.html. (Portnoy, 
October 3, 2021) 
Putri W et al. (2018, June, 22). Economic 
burden of seasonal influenza in the 
United States. Vaccine 36(27), 3960– 
3966. https://www.sciencedirect.com/ 
science/article/pii/S0264410X18306777?
via%3Dihub. (Putri et al., June 22, 2018) 
Umland B. (2021, October 13). Survey Looks 
at Vaccine Mandates and Employee 
Turnover. Mercer. https://
www.mercer.us/our-thinking/healthcare/ 
survey-looks-at-vaccine-mandates-and- 
employee-turnover.html. (Umland, 
October 13, 2021) 
U.S. Census Bureau. (2019). Statistics of U.S. 
Businesses (SUSB). https://
www.census.gov/programs-survey/ 
susb.html. (U.S. Census Bureau, 2019) 
U.S. Census Bureau. (2021). Household Pulse 
Survey (HPS), Week 37 Table 6A. 
https://www.census.gov/programs- 
surveys/household-pulse-survey/ 
data.html. (U.S. Census Bureau, 2021) 
White C. (2021). Measuring Social and 
Externality Benefits of Influenza 
Vaccination. Journal of Human 
Resources Vol 56 Number 3, pp. 749– 
785. https://muse.jhu.edu/article/ 
798143. (White, 2021) 
Willis Towers Watson. (2021, June 23). 
COVID–19 Vaccination and Reopening 
the Workplace Survey. https://
www.willistowerswatson.com/en-US/ 
Insights/2021/06/covid-19-vaccination- 
and-reopening-the-workplace-survey. 
(Willis Towers Watson, June 23, 2021) 
V. ETS Economic Feasibility 
Determination 
a. OSHA’s Screening Tests for Economic 
Feasibility 
As noted in the introduction to the 
economic analysis, an OSHA standard is 
economically feasible when industries 
can absorb or pass on the costs of 
compliance without threatening 
industry’s long-term profitability or 
competitive structure, Cotton Dust, 452 
U.S. at 530 n.55, or ‘‘threaten[ing] 
massive dislocation to, or imperil[ing] 
the existence of, the industry.’’ United 
Steelworkers of Am. v. Marshall (Lead 
I), 647 F.2d 1189, 1272 (D.C. Cir. 1981). 
To determine whether a rule is 
economically feasible, OSHA typically 
begins by using two screening tests to 
determine whether the costs of the rule 
are beneath the threshold level at which 
the economic feasibility of an affected 
industry might be threatened. The first 
screening test is a revenue test. While 
there is no hard and fast rule on which 
to base the threshold, OSHA generally 
considers a standard to be economically 
feasible for an affected industry when 
the annualized costs of compliance are 
less than one percent of annual 
revenues. The one-percent revenue 
threshold is intentionally set at a low 
level so that OSHA can confidently 
assert that the rule is economically 
feasible for industries that are below the 
threshold (i.e., industries for which the 
costs of compliance are less than one 
percent of annual revenues). To put the 
one-percent threshold into perspective, 
OSHA calculated the average 
compounded annual rate of growth or 
decay in average revenues over the 15- 
year period from 2002 to 2017 (inflated 
to 2005 to 2020 dollars) for firms with 
100 or more employees in the 479 
NAICS (out of 546) industries covered 
by this ETS for which Census data were 
available and found that the average 
annual real rate of change in revenues 
in absolute terms for the average firm 
was 2.2 percentage points a year.51 In 
other words, revenues are generally 
observed to change by well more than 
one percent per year, on average, for 
firms with 100 or more employees in 
covered industries, indicating that 
changes of this magnitude are normal in 
these industries and that covered firms 
are typically able to withstand such 
changes over the course of a year, much 
less six months. As discussed below, the 
average percentage change due to this 
ETS for all covered NAICS is a fraction 
of this fluctuation in revenues. 
The second screening test that OSHA 
traditionally uses to consider whether a 
standard is economically feasible for an 
affected industry is if the costs of 
compliance are less than ten percent of 
annual profits (see, e.g., OSHA’s 
economic analysis of its Silica standard, 
81 FR 16286, 16533 (March 25, 2016); 
upheld in N. Am.’s Bldg. Trades Unions 
v. OSHA, 878 F.3d 271, 300 (D.C. Cir. 
2017)). The ten-percent profit test is also 
intended to be at a sufficiently low level 
so as to allow OSHA to identify 
industries that might require further 
examination. Specifically, the profit 
screen is primarily used to alert OSHA 
to potential impacts on industries where 
the price elasticity of demand does not 
allow for ready absorption of new costs 
in higher prices (e.g., industries with 
foreign competition where the American 
firms would incur costs that their 
foreign competitors would not because 
they are not subject to OSHA 
requirements). In addition, setting the 
threshold for the profit test low permits 
OSHA to reasonably conclude that the 
rule would be economically feasible for 
industries below the threshold. To put 
the ten-percent profit threshold test into 
perspective, evidence used by OSHA in 
its 2016 OSHA silica rule indicates that, 
for the combined affected 
manufacturing industries in general 
industry and maritime from 2000 
through 2012, the average year-to-year 
fluctuation in profit rates (both up and 
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52 Profits are subject to the dynamics of the 
overall economy. Many factors, including a national 
or global recession, a downturn in a particular 
industry, foreign competition, or the increased 
competitiveness of producers of close domestic 
substitutes are all easily capable of causing a 
decline in profit rates in an industry of well in 
excess of ten percent in one year or for several years 
in succession (See OSHA, March 24, 2016). 
53 For information regarding the standards and 
practices used by the Census Bureau to ensure the 
quality and integrity of its data, see (US Census 
Bureau, October 8, 2021a; US Census Bureau, 
October 8, 2021b). 
54 See IRS, 2013. 
55 OSHA also investigated Bizminer and RMA as 
potential sources of profit information and 
determined that they do not represent adequate and 
random samples of the affected industries. 
56 There is one code reported per tax entity and 
it may not be representative to the six-digit level. 
See Corporation Sourcebook on limitations of the 
industry classification for details. (IRS, 2013). 
down) was 138.5 percent (81 FR 
16545).52 
When an industry ‘‘passes’’ both the 
‘‘cost-to-revenue’’ and ‘‘cost-to-profit’’ 
screening tests, OSHA is assured that 
the costs of compliance with the rule are 
economically feasible for that industry. 
The vast majority of the industries 
covered by the ETS fall into this 
category. 
A rule is not necessarily economically 
infeasible, however, for the industries 
that do not pass the initial revenue 
screening test (i.e., those for which the 
costs of compliance with the rule are 
one percent or more of annual 
revenues), the initial profit screening 
test (i.e, those for which the costs of 
compliance are ten percent or more of 
annual profits), or both. Instead, OSHA 
normally views those industries as 
requiring additional examination as to 
whether the rule would be economically 
feasible (see N. Am.’s Bldg. Trades 
Unions v. OSHA, 878 F.3d at 291). 
OSHA therefore conducts further 
analysis of the industries that ‘‘fail’’ one 
or both of the screening tests in order to 
evaluate whether the rule would 
threaten the existence or competitive 
structure of those industries (see United 
Steelworkers of Am., AFL–CIO–CLC v. 
Marshall, 647 F.2d 1189, 1272 (D.C. Cir. 
1980)). 
Time Parameters for Analysis 
OSHA’s economic analyses almost 
always measure the costs of a standard 
on an annual basis, conducting the 
screening tests by measuring the cost of 
the standard against the annual profits 
and annual revenues for a given 
industry. One year is typically the 
minimum period for evaluating the 
status of a business; for example, most 
business filings for tax or financial 
purposes are annual in nature. 
Some compliance costs are up-front 
costs and others are spread over the 
duration of the ETS; regardless, the 
costs of the rule overall will not 
typically be incurred or absorbed by 
businesses all at once. However, OSHA 
does not expect that the ETS will 
require employers to incur initial capital 
costs for equipment to be used over 
many years (which would typically be 
addressed through installments over a 
year or a longer period to leverage loans 
or payment options to allow more time 
to marshal revenue and minimize 
impacts on reserves). 
The compliance costs for this ETS are 
for a temporary rule for a period of six 
months (which, again, is the time period 
that OSHA assumes this ETS will last, 
solely for economic purposes). While 
OSHA believes the most appropriate 
screens would be based on annual 
profits and revenue, it has followed the 
more cautious route of basing the 
screens on 6 months of profits and 
revenues to avoid any potential 
uncertainty about whether the ETS is 
economically feasible for the industries 
covered by this ETS. Using one year of 
revenues and profits as the 
denominators in the cost-to-revenue and 
cost-to-profit ratios would have resulted 
in ratios that are half of the estimated 
ratios presented in this analysis. It is 
therefore unsurprising that businesses 
in some number of NAICs have edged 
above the profit-thresholds using a 6 
month screen (as will be discussed 
later), and OSHA believes that edging 
above the screening thresholds is less of 
an indicator of economic peril in this 
context than in the context of a 
permanent rulemaking analysis. 
Nevertheless, OSHA has examined each 
of the NAICS that did not clear either of 
these conservative screening tests and 
has concluded that the ETS is 
economically feasible for each one. 
Data Used for the Screening Tests 
The estimated costs of complying 
with the ETS, which OSHA relied upon 
to examine feasibility is based on the 
two tests described above (see OSHA, 
October 2021a). The revenue numbers 
used to determine cost-to-revenue ratios 
were obtained from the 2017 Economic 
Census for firms with 100 or more 
employees in covered industries. This is 
the most current information available 
from this source, which OSHA 
considers to be the best available source 
of revenue data for U.S. businesses.53 
OSHA adjusted these figures to 2020 
dollars using the Bureau of Economic 
Analysis’s GDP deflator, which is 
OSHA’s standard source for inflation 
and deflation analysis. 
The profit screening test for feasibility 
(i.e., the cost-to-profit ratio) was 
calculated as ETS costs divided by 
profits. Profits were calculated as profit 
rates multiplied by revenues. The 
before-tax profit rates that OSHA used 
were estimated using corporate balance 
sheet data from the Internal Revenue 
Service (IRS), 2013 Corporation Source 
Book (IRS, 2013). The IRS discontinued 
the publication of these data after 2013, 
and therefore the most current years 
available are 2000–2013.54 The most 
recent version of the Source Book 
represents the best available evidence 
for these data on profit rates.55 
For each of the years 2000 through 
2013, OSHA calculated profit rates by 
dividing the ‘‘net income’’ from all firms 
(both profitable and unprofitable) by 
total receipts from all firms (both 
profitable and unprofitable) for each 
NAICS.56 OSHA then averaged these 
rates across the 14-year (2000 through 
2013) period. Since some data provided 
by the IRS were not available at 
disaggregated levels for all industries 
and profit rates, data at more highly 
aggregated levels were used for some 
industries; that is, where data were not 
available for each six-digit NAICS code, 
data for the corresponding four- or five- 
digit NAICS codes were used. Data were 
used for all firms in the NAICS (as 
opposed to just firms with 100 or more 
employees) since data disaggregated by 
employment size-class were not 
available. Profit rates are expressed as a 
percentage (see OSHA, October 2021a). 
Profits themselves were used to 
calculate the cost-to-profit estimates for 
all firms contained in a particular 
NAICS code (see OSHA, October 2021a). 
OSHA has estimated costs over a 6- 
month timeframe for this ETS. As 
discussed above, OSHA has therefore 
used six months of revenue to conduct 
the cost-to-revenue tests and six months 
of profit to conduct the cost-to-profit 
tests. 
General Use of Revenues and Profits To 
Measure Economic Feasibility 
As with other OSHA rulemaking 
efforts, the agency relies on the two 
screening tests (costs less than one 
percent of revenue and costs less than 
ten percent of profit) as an initial 
indicator of economic feasibility. OSHA 
has generally found that the cost-to- 
revenue test is a more reliable indicator 
of feasibility simply because the 
revenue data are more accurate than the 
profit data. There are several reasons for 
this. 
First, OSHA has been using corporate 
balance sheet data from the IRS as the 
best available evidence for estimating 
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57 OSHA funded and accepted a final report by 
Contractor Henry Beale (Beale Report, 2003) that 
reviewed alternative financial data sources and 
concluded that the IRS data were the best. Since 
then OSHA has been relying on IRS data to provide 
the financial data to support its rulemaking 
analyses. See, for example, Occupational Safety and 
Health Administration (OSHA) (2016), Final 
Economic and Regulatory Flexibility Analysis for 
OSHA’s Rule on Occupational Exposure to 
Respirable Crystalline Silica, Chapter VI, pp. VI–2 
to VI–3, Docket No. OSHA–2010–0034–4247 
(OSHA, March 24, 2016), which includes a more 
recent review of data sources for corporate financial 
profit data and further support for OSHA’s choice 
of IRS data. 
58 In fact, all other Department of Labor agencies 
rely solely on revenues to assess economic impacts, 
such as Regulatory Flexibility Act certifications, in 
their rulemakings (see, e.g., Employment and 
Training Administration, Final Rule on 
Strengthening Wage Protections for the Temporary 
and Permanent Employment of Certain Aliens in 
the United States, https://www.govinfo.gov/content/ 
pkg/FR-2021-01-14/pdf/2021-00218.pdf; Wage and 
Hour Division, Tip Regulations Under the Fair 
Labor Standards Act (FLSA), https://
www.govinfo.gov/content/pkg/FR-2020-12-30/pdf/ 
2020-28555.pdf). 
59 While fixed cost can be more limiting in terms 
of options for businesses, most of the costs of this 
rule are not fixed. Instead, most of the compliance 
costs vary with the level of output or employment 
at a facility. 
corporate profits for years.57 
Nevertheless, because firms typically 
have an incentive to minimize their tax 
burden, it is reasonable to expect that 
some of the reported accounting data 
may have been strategically adjusted to 
reduce reported profits and their 
associated tax implications. Business 
profits are much more likely to reflect 
such strategic accounting than business 
revenues; accordingly, revenues are a 
more accurate measure than profits for 
evaluating economic feasibility for a 
multitude of reasons.58 
Second, because OSHA is using data 
from both profitable and unprofitable 
firms, the average profit rate for a small 
number of industries is negative (as 
described above, using 14 years of data 
that predate the pandemic). This result 
could have occurred because of the way 
profits are calculated, which 
unnaturally skews average profit rates 
downward by including firms that have 
large losses (negative profits) or 
subnormal profits and have already 
closed or are in the process of closing, 
irrespective of any action by OSHA. The 
negative rates could also be the result of 
macroeconomic fluctuations during the 
14-year period used to determine the 
average, a period in which some of these 
industries may have experienced 
unusually adverse financial impacts 
(see, e.g., the explanation in Chapter VI, 
pp. VI–20 of the Final Economic and 
Regulatory Flexibility Analysis for 
OSHA’s Rule on Occupational Exposure 
to Respirable Crystalline Silica, Docket 
No. OSHA–2010–0034–4247, which 
notes the skew from negative impacts 
during recession years (OSHA, March 
24, 2016)). Or they could result from 
tax-related incentives, as previously 
noted. 
Whatever the reason, the cost-to-profit 
calculations for NAICS with negative 
profit rates fail to provide reliable 
information about the long-term 
profitability of these industries, 
independent of the ETS. Companies and 
industries that consistently lose money 
do not typically stay in business, and 
would almost certainly not still be in 
business in 2021 if that loss continued 
at the same level for each of the 8 years 
since the profit data was published in 
2012. Revenue streams are a more 
dependable measure for those firms 
because those streams tend to be more 
stable and more indicative of the actual 
capabilities of sustainable firms than 
reported negative profit margins. As a 
result, for the purposes of this analysis, 
OSHA has relied more heavily on its 
cost-to-revenue estimates, in lieu of 
cost-to-profit estimates, as the more 
reliable indicator for economic 
feasibility for the industries with 
negative profit rates. 
Third, and similarly, profit rates that 
are only slightly positive (i.e., less than 
one percent) are inconclusive and not 
useful for the purpose of OSHA’s cost- 
to-profit test. In economics terms, profit 
entails a reasonable rate of return on 
investment, and long-term profits of less 
than one percent a year are not generally 
reasonable for firms that expect to 
remain in business. Thus data showing 
industry-wide profits in this range do 
not measure the true ability of 
companies to pay for the ETS costs. As 
previously stated, revenue streams tend 
to be more stable and more indicative of 
the actual capabilities of sustainable 
firms. Therefore, where possible, OSHA 
prefers to rely on the cost-to-revenue 
test to evaluate economic feasibility for 
industries that have a less than one 
percent profit rate. 
The qualification, and by far the most 
important reason for the general 
primacy of revenues versus profits as 
the appropriate metric for determining 
economic feasibility, for most OSHA 
rules, is that the regulated firms are able 
to pass on the costs of the rule in the 
form of higher prices. When they 
cannot, the profit test functions 
primarily as a screen for a limited 
purpose: Alerting OSHA to potential 
impacts where unregulated competitors 
can prevent firms from passing costs 
along to customers. 
To understand this point, some 
economic background is needed. The 
price elasticity of demand refers to the 
relationship between the price charged 
for a product or service and the quantity 
demanded for that product or service: 
The more elastic the relationship, the 
larger the decrease in the quantity 
demanded for a product when the price 
goes up. When demand is elastic, 
establishments have less ability to pass 
compliance costs on to customers in the 
form of a price increase and must absorb 
such costs in the form of reduced 
profits. In contrast, when demand is 
relatively inelastic, the quantity 
demanded for the product or service 
will be less affected by a change in 
price. In such cases, establishments can 
recover most of the variable costs of 
compliance (i.e., costs that are highly 
correlated with the amount of output) 
by raising the prices they charge; under 
this scenario, if costs are variable rather 
than fixed, business activity and profit 
rates are largely unchanged for small 
changes in costs. Ultimately, where 
demand is relatively inelastic, any 
impacts are primarily borne by those 
customers who purchase the relevant 
product or service for a slightly higher 
price. Most of the costs of this ETS are 
variable costs because they depend 
primarily on the level of production or 
the number of employees at an 
establishment. For example, under the 
ETS, a firm with 500 employees must 
determine and record the vaccination 
status of 500 employees, while a firm 
with 250 employees need determine and 
record the vaccination status of only 250 
employees.59 
In general, ‘‘[w]hen an industry is 
subjected to a higher cost, it does not 
simply swallow it; it raises its price and 
reduces its output, and in this way 
shifts a part of the cost to its consumers 
and a part to its suppliers’’ (Am. Dental 
Ass’n v. Sec’y of Labor, 984 F.2d 823, 
829 (7th Cir. 1993)). A reduction in 
output could happen in a variety of 
ways: Individual establishments could 
reduce their levels of service (e.g., retail 
firms) or production (e.g., 
manufacturing), both of which could 
take the form of a reduction of worker 
hours; some marginal establishments 
could close; or, in the case of an 
industry with high turnover of 
establishments, new entry could be 
delayed until demand equals supply. In 
many cases, a decrease in overall output 
for an industry will be a combination of 
all three kinds of reductions. The 
primary means of achieving the 
reduction in output most likely depends 
on the rate of turnover in the industry 
and on the form that the costs of the 
regulation take. Further, the temporary 
nature of the ETS and its associated 
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60 This cost advantage may be exaggerated or non- 
existent in many cases (see the discussion directly 
below in the text in Caveat 2). 
61 Several occupational groups less able to avoid 
exposure to SARS–CoV–2 infection exhibited 
significantly higher rates of absenteeism in March– 
April 2020 compared to earlier periods 
(Groenewold et al., July 10, 2020). 
62 For a discussion of turnover (i.e. whether the 
ETS could affect the likelihood that an employee 
will remain with an employer, either because the 
imposition of a vaccine requirement will lead some 
employees to leave and find employment at an 
establishment not subject to the ETS, or, 
alternatively, to stay due to a preference for 
enhanced COVID–19 safety procedures), please see 
the cost section (Section III.d.) of this economic 
analysis. 
63 By OSHA’s calculation, 524 out of the 546 six- 
digit NAICS covered by the ETS. 
costs suggests that firms may have more 
flexibility to respond than when facing 
a permanent increase in costs. For 
example, firms may be able to 
temporarily increase prices or 
temporarily defer planned capital 
expenditures or other maintenance to 
cover compliance costs. 
There are two situations typically 
mentioned when an industry subject to 
regulatory costs might be unable to pass 
those costs on: (1) Foreign competition 
not subject to the regulation, or (2) 
domestic competitors in other 
industries, not subject to the regulation, 
that produce goods or services that are 
close substitutes. Otherwise, when all 
affected domestic industries are covered 
by a rule and foreign businesses must 
also comply with the rule or are unable 
to compete effectively, the ability of a 
competing industry to offer a substitute 
product or service at a lower price is 
greatly diminished. 
There is a third situation that is 
relevant to this ETS—when only some 
firms in a domestic industry (in this 
case, only employers with 100 or more 
employees) are subject to the ETS and 
its regulatory costs. In principle, 
competition from smaller employers in 
a NAICS could prevent the larger 
employers from passing on their costs in 
the form of higher prices and instead 
require them to absorb the costs in the 
form of lost profits. There are, however, 
several important caveats: 
1. As a practical matter, it is 
implausible to expect that covered 
employers (with 100 or more 
employees) would feel constrained by 
smaller competitors in their industry so 
as not to pass on costs for a rule lasting 
6 months that imposes costs equal to 
0.02 percent of revenues, on average 
across all NAICS, over that time period 
(see OSHA, October 2021a). This time 
period would likely be too short for 
small firms to expand to take business 
away from the larger firms or for new 
firms to form to take advantage of such 
minor and transitory business 
opportunities. Furthermore, smaller 
firms (particularly very small firms— 
those with fewer than 20 employees) 
typically can’t compete on price with 
large firms that have cost advantages 
due to various economies of scale; as a 
result, smaller firms often serve a 
specialized niche market rather than 
compete directly with larger firms. To 
the extent that this ETS creates new 
business opportunities for these smaller 
uncovered firms, they would also be 
covered by the ETS as soon as they 
reached 100 employees.60 
2. An important factor to consider in 
calculating the costs and impacts and 
economic feasibility of this ETS is the 
unquantified and unmonetized cost 
savings and other positive economic 
impacts accruing to employers that 
comply with the ETS. These include 
reduced absenteeism due to COVID–19 
illnesses 61 and quarantine.62 Other 
positive economic impacts that 
compliant employers would enjoy from 
a safer business environment are 
increased retail trade from customers 
that feel less at risk and better relations 
with suppliers and other business 
partners. These all would contribute to 
improved business and increased 
profits. 
3. The existence of these cost savings 
and other positive economic impacts 
accruing to employers that comply with 
the ETS suggests that the actual net 
costs of the ETS will be much lower 
than the costs reported in the 
supporting economic analysis for this 
ETS used to estimate cost impacts and 
demonstrate economic feasibility. In 
fact, for some share of covered 
employers, the net costs of the ETS may 
well be negative. Indeed, this is being 
confirmed by revealed preference in the 
market. Elsewhere in the economic 
analysis for this ETS (Cost Analysis 
section 4.2), OSHA has provided 
evidence to support its estimate that 25 
percent of covered employers already 
voluntarily require that their employees 
be vaccinated and a much larger 
percentage are considering a vaccine 
mandate. This strongly supports the 
conclusion that these businesses agree 
that doing so will ultimately save costs. 
b. Economic Feasibility Analysis and 
Determination 
This section summarizes OSHA’s 
feasibility findings for industries 
covered by the ETS. As stated 
previously, the agency uses two 
screening tests (costs less than one 
percent of revenue and costs less than 
ten percent of profit) as an initial 
indicator of economic feasibility. In this 
section, OSHA discusses the industries 
that fall above the threshold level for 
either screening test. 
The overall effect of compliance with 
the general section of the ETS on 
covered industries is very small (see 
OSHA, October 2021a). The vast 
majority of the covered NAICS have 
very low cost-to-revenue and cost-to- 
profit ratios, with the overall averages 
being 0.02 percent of revenues and 0.49 
percent of profits. To put this into 
perspective, if the average firm decided 
to raise prices to cover the costs of the 
ETS, the price of a $100 product or 
service, for example, would have to be 
increased by 2 cents (during the six- 
month period). 
Based on the information presented 
here, the costs of the ETS are below both 
the threshold revenue test (1 percent of 
revenues) and the threshold profit test 
(10 percent of profits) for the vast 
majority of NAICS industries.63 This 
indicates that the average firm in these 
industries will be able either to raise 
prices to cover ETS costs or to absorb 
the costs of the ETS out of available 
profits. In either case, OSHA concludes 
that the ETS is economically feasible for 
all of these industries. 
Critically, there are no industries 
covered by the general section of the 
ETS that are above OSHA’s cost-to- 
revenue threshold level of one percent 
and most are a small fraction of this 
level. Because OSHA is using data from 
both profitable and unprofitable firms, 
the average profit rate for a small 
number of industries is negative. There 
are 14 NAICS with negative cost-to- 
profit ratios, resulting from negative 
average profit rates. These industries 
with negative profit rates are domestic 
service industries that are not subject to 
international competition. 
There are eight six-digit NAICS 
industries, covering all establishments 
in those industries covered by the 
general section of the ETS, with cost-to- 
profit ratios above 10 percent: 
1. NAICS 221118—Other Electric 
Power Generation, 23.97 percent; 
2. NAICS 488119—Other Airport 
Operations, 18.41 percent; 
3. NAICS 488410—Motor Vehicle 
Towing, 15.75 percent; 
4. NAICS 488490—Other Support 
Activities for Road Transportation, 
14.32 percent; 
5. NAICS 713920—Skiing Facilities, 
13.16 percent; and 
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64 If not underpriced by smaller firms, covered 
firms in the 8 NAICS industries reporting ETS costs 
above 10 percent of profits could cover these costs 
by raising prices an average of 0.08 percent (highest, 
0.11 percent); covered firms in the 14 NAICS 
industries reporting negative profits could cover 
ETS costs with a price increase of 0.01 percent 
(highest, 0.02 percent). 
6. NAICS 713940—Fitness and 
Recreational Sports Centers, 12.33 
percent; 
7. NAICS 713120—Amusement 
Arcades, 11.18 percent; and 
8. NAICS 488320—Marine Cargo 
Handling, 10.03 percent. 
The average profit rate reported over 
the 14 years for which OSHA has profit 
data for all the NAICS affected by the 
ETS is 4.2 percent. All of the eight 
NAICS industries with a cost-to-profit 
ratio above the 10 percent threshold 
report an annual profit rate below one 
percent—75 percent or more below the 
overall average for all NAICS covered by 
the ETS. These eight industries all 
provide domestic services and are not 
subject to international competition. 
The fact that the covered firms in 
these 22 NAICS industries (the 14 with 
negative cost-to-profit ratios and the 8 
with more sustainable cost-to-profit 
ratios) exceeded the profit screen 
suggests that they might in theory have 
difficulty paying for the costs of the ETS 
out of profits gained over the six-month 
duration of the ETS if they had no 
savings or access to capital, but even if 
that were true it would be highly 
unlikely to place the firms in financial 
jeopardy. OSHA examines these 
industries more closely below, but 
before even considering the reasons in 
NAICs-specific analysis it is important 
to consider the larger context. For the 
ETS to threaten the economic solvency 
of these firms, the following 3 
conditions must apply: 
1. These firms must not enjoy certain 
cost savings and positive economic 
impacts from the ETS that would 
partially or totally offset their costs. 
This condition is questionable because 
of the estimated 25 percent of employers 
sampled that reported voluntarily 
imposing a vaccine mandate and the 
substantial number more contemplating 
the voluntary adoption of such a 
mandate. They can be expected to base 
their decisions, partly or entirely, on 
anticipated cost savings or positive 
economic impacts (which would reduce 
or eliminate their risk of insolvency due 
to the ETS). 
2. These firms (all with 100 or more 
employees) must not be able to raise 
prices to cover ETS costs because of the 
threat that smaller firms in their NAICS 
industry, not covered by the ETS, could 
underprice them and take away their 
business. This condition is unlikely or 
limited because of the economies of 
scale the larger firms enjoy and the fact 
that the smaller firms out of necessity 
tend to serve a market niche not in 
direct competition with the larger firms. 
Also, there is a severe limit to the extent 
that firms with fewer than 100 
employees can take away significant 
portions of business from the larger 
firms without becoming subject to the 
requirements of the rule themselves. If 
the larger firms do not feel threatened 
by being underpriced by smaller firms 
in these NAICS industries, then they 
could raise prices an average of less 
than 0.05 percent 64 to cover the cost of 
the ETS—a small fraction of the 1.0 
percent of revenues threshold (beneath 
which OSHA has determined that 
economic feasibility is not a concern). 
3. These firms must not generate 
sufficient profits or have adequate 
borrowing capacity during the six 
months the ETS is in force to cover the 
costs of the ETS. There are several 
reasons to doubt that this condition 
broadly applies. First, the estimates of 
business profits come from corporate 
balance sheet data that firms report to 
the IRS. But, as previously noted, it is 
generally the case that firms have an 
incentive to minimize their tax burden, 
and it is reasonable to expect that some 
of the reported accounting data may 
have been strategically adjusted to 
reduce reported profits and their 
associated tax implications. Another 
point concerning the IRS data is that 
they include the negative profits of 
firms that are going out of business or 
have since gone out of business. To the 
extent that these points are true, many 
or most of the covered firms in these 
NAICS industries (still in business) 
actually would generate sufficient profit 
to cover the cost of the ETS. A related 
point is that for this condition to apply, 
the firms must not be able to borrow the 
money to pay for the costs of the ETS. 
Recall, however, that these are all large 
firms with 100+ employees. It is 
reasonable to expect that many or most 
firms of this size in the 22 NAICS 
industries at issue either have available 
funds or could obtain a short-term loan 
to cover costs equal to the 0.01 to 0.11 
percent of revenues that these firms 
would incur over the six-month period 
that OSHA assumes the ETS will remain 
in effect. Firms of this size normally 
have banking relationships and some 
unencumbered assets. They also have 
access to national and international 
capital markets. If these firms can 
borrow funds to pay for the ETS, then 
the profit restriction doesn’t matter. 
Finally, OSHA anticipates concern 
that limiting the scope of the ETS to 
employers with 100 or more employees 
will somehow put these larger firms in 
economic jeopardy from the smaller 
firms to which the ETS does not 
currently apply. This is highly 
improbable for several reasons 
discussed earlier, including the fact that 
these are large employers with 
advantages of economies of scale and 
access to capital and the fact that this is 
a temporary standard that would result, 
at most, in marginal impacts over 6 
months (on average, equal to costs of 
0.02 percent of revenues, which, again, 
translates to a cost increase of a penny 
on a fifty dollar item). 
But even that misses the main point: 
Economic feasibility refers to the 
industry, not to the firm. OSHA must 
construct a reasonable estimate of 
compliance costs and demonstrate a 
reasonable likelihood that these costs 
will not threaten the existence or 
competitive structure of an industry, 
even if it does portend disaster for some 
marginal firms (Lead I, 647 F.2d at 
1272). In the (again) highly unlikely 
event that individual firms exit an 
industry and are replaced by other firms 
in the industry, then the ETS would 
preserve the economic feasibility of the 
covered industries. If an employer 
covered by this standard actually had to 
increase its prices slightly to account for 
the cost of this standard, there are two 
potential groups of smaller businesses 
that could seek to supplant the covered 
firms. The first group of businesses are 
much smaller than the covered firms. 
Those businesses, however, will 
typically have higher costs and prices to 
begin with due to their scale 
disadvantages to the larger firms. The 
larger firm’s small price increases 
attributable to this ETS would not be 
likely to create an actionable 
competitive advantage for this group of 
smaller businesses. The second group of 
businesses are those closer in size to the 
100-employee cutoff. If the marginal 
price increases did actually cause some 
of the larger firms to fail and the slightly 
smaller firms to take their place, the 
industry itself would not suffer a 
massive dislocation or be imperiled. 
And, of course, if all of the firms in an 
industry are large employers with 100 or 
more employees, no competitive 
disadvantage from within the industry 
would exist (even hypothetically), and 
there would be no question that they 
could cover the cost of ETS by raising 
prices to customers accordingly. 
Although the preceding discussion 
demonstrates that the ETS is 
economically feasible, OSHA has 
provided an additional examination of 
each of the NAICS that have crossed the 
profit screen (again noting that none of 
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65 See Walker, January 22, 2013. 
66 This U.S. industry comprises establishments 
primarily engaged in (1) operating international, 
national, or regional airports, or public flying fields 
or (2) supporting airport operations, such as rental 
of hangar space, and providing baggage handling 
and/or cargo handling services. 
67 This industry comprises establishments 
primarily engaged in towing light or heavy motor 
vehicles, both local and long-distance. These 
establishments may provide incidental services, 
such as storage and emergency road repair services. 
68 This industry comprises establishments 
primarily engaged in providing services (except 
motor vehicle towing) to road network users. 
69 This industry comprises establishments 
engaged in (1) operating downhill, cross country, or 
related skiing areas and/or (2) operating equipment, 
such as ski lifts and tows. These establishments 
often provide food and beverage services, 
equipment rental services, and ski instruction 
services. Four season resorts without 
accommodations are included in this industry. 
70 See Brown, January 19, 2017, ‘‘[o]f the 9.4 
million skiers in the U.S., more than half earn a 
salary higher than $100,000. For some context, only 
20 percent of American households have a 
combined income of $100K. . . .’’) 
71 This industry comprises establishments 
primarily engaged in operating fitness and 
recreational sports facilities featuring exercise and 
other active physical fitness conditioning or 
recreational sports activities, such as swimming, 
skating, or racquet sports. 
these failed the revenue screen): The 
eight NAICS industries with positive 
profit ratios but profit rates below 1 
percent. 
1. NAICS 221118—Other Electric Power 
Generation, 23.97 Percent 
This U.S. industry comprises 
establishments primarily engaged in 
operating electric power generation 
facilities (except hydroelectric, fossil 
fuel, nuclear, solar, wind, geothermal, 
biomass). These facilities convert other 
forms of energy, such as tidal power, 
into electric energy. The electric energy 
produced in these establishments is 
provided to electric power transmission 
systems or to electric power distribution 
systems. 
Using tides to generate power is not 
yet economically viable, according to 
one source, because ‘‘[t]otal availability 
of tidal power is restricted by its 
relatively high cost and limited number 
of sites having high flow velocities and 
tidal ranges,’’ although ‘‘with [ ] recent 
advancements in tidal technologies, the 
total availability of tidal power in terms 
of turbine technology as well as design 
may be higher than before, and the 
economic costs may be reduced 
significantly to competitive levels.’’ In 
support, in the same article, ‘‘recent 
reports state that the UK, which has the 
largest tidal and wave resource in 
Europe, is capable of harnessing up to 
153GW of tidal power capacity with the 
help of three types of technologies and 
thus meeting 20% of current UK 
electricity demand and reducing carbon 
emissions. Hence it is evident that wave 
and tidal energy could contribute more 
to the increasing electricity demands 
across the globe.’’ 65 
At the time OSHA obtained the most 
recent NAICS data, there were 7 affected 
entities in this NAICS industry. The 
entities in this NAICS industry include 
firms like Berkshire Hathaway Energy 
Company, (with annual sales of $19.8 
billion, whose ‘‘portfolio consists of 
locally managed business that share a 
vision for a secure and sustainable 
energy future’’); Dominion Energy (with 
annual sales of $13.4 billion); and other 
leading firms in this industry including 
some of the largest power generation 
companies in the US (See NAICS 
Association, 2018a; NAICS Association 
2018d; and NAICS Association 2018e). 
As this NAICS industry is not yet 
viable, (in the United States, at least), it 
is to be expected that revenues and 
profits would be low. In fact, OSHA 
believes the best way to view this 
industry is as a series of incredibly well- 
funded start-up companies during the 
investment phase of the business, where 
short-term losses are expected and offset 
with the anticipation of enormous 
revenue growth potential (in an 
acknowledged very limited energy 
market.) Given these factors, OSHA’s 
typical revenue and profit screen are a 
poor predictor of future viability with 
respect to this NAICS industry 
(although, as pointed out, this NAICS 
industry, like all other NAICS 
industries, falls well below the revenue 
screen threshold). The estimated cost of 
this ETS per firm is $866 in this NAICS 
industry, which equals about 11 cents 
per hundred dollars of revenue over a 
limited six-month duration. OSHA 
concludes that this industry will be able 
to withstand this small cost in order to 
keep its workers protected during the 
pandemic. 
2. NAICS 488119—Other Airport 
Operations, 18.41 Percent 66 
The services this industry offers are 
integrated into a particular geographic 
location and entail specific tasks, such 
as parking and baggage handling 
services, that must be done to ensure the 
proper functioning of airports, thus 
negating the potential for substitution 
during the 6 month period that OSHA 
is assuming the ETS will be in effect for 
economic purposes. In addition, 
because these are services that need to 
be done in particular domestic locations 
(i.e., airports), there is no risk of 
international competition. 
3. NAICS 488410—Motor Vehicle 
Towing, 15.75 Percent 67 
The actual cost impacts on this 
industry are likely significantly 
overstated to the extent that most 
employees performing towing services 
ride alone in their trucks and their 
services do not typically require 
exposure to others. In the event that 
individual large towing firms are 
concerned about economic impacts, it 
would not be difficult to structure their 
employee interactions with the 
company and customers to take 
advantage of the scope restrictions. 
Moreover, the primary services this 
industry offers involve the use of 
specialized vehicles designed uniquely 
for towing, thus lowering the risk of 
substitution. In addition, because these 
services are geographically based, there 
is no risk of international competition. 
4. NAICS 488490—Other Support 
Activities for Road Transportation, 
14.32 Percent 68 
This industry offers services that must 
be done to ensure proper operation of 
roadways (for example, bridge, tunnel, 
and highway operations, pilot car 
services (i.e., wide load warning 
services), driving services (e.g., 
automobile, truck delivery), and truck or 
weighing station operations), thus 
negating the potential for substitution. 
In addition, because these services need 
to be done in particular domestic 
locations (i.e., roadways), there is no 
risk of international competition. 
5. NAICS 713920—Skiing Facilities, 
13.16 Percent 69 
This industry caters to a wealthy 
clientele who ensure an inelastic 
demand easily capable of absorbing any 
fractional increases attributable to this 
ETS.70 In addition, skiing is done 
outdoors, which will incentivize 
clientele to continue engaging in this 
particular activity in lieu of indoor 
substitutions, during the pandemic. 
Finally, there is little to no risk of 
international competition from foreign 
ski resorts because the added and 
substantial costs of international travel 
outweigh the costs associated with 
marginally higher prices resulting from 
the ETS. 
6. NAICS 713940—Fitness and 
Recreational Sports Centers, 12.33 
Percent 71 
As these settings are generally located 
close to where clients live or work, there 
is no risk of international competition. 
Some of the largest employers in this 
industry have already responded to 
customer feedback by not only requiring 
employees to be vaccinated, but also 
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72 See Jackson, August 2, 2021 ‘‘Equinox also 
noted in the press release that ‘an overwhelming 
majority of members’ have expressed support for a 
vaccination requirement for entry to Equinox 
clubs.’’ 
73 This industry comprises establishments 
primarily engaged in operating amusement (except 
gambling, billiard, or pool) arcades and parlors. 
74 This industry comprises establishments 
primarily engaged in providing stevedoring and 
other marine cargo handling services (except 
warehousing). 
75 NAICS 481111 (Scheduled Passenger Air 
Transportation) provides air transportation of 
passengers or passengers and freight over regular 
routes and on regular schedules, including 
commuter and helicopter carriers (except scenic 
and sightseeing). NAICS 481112 (Scheduled Freight 
Air Transportation) provides air transportation of 
cargo without transporting passengers over regular 
routes and on regular schedules, including 
scheduled air transportation of mail on a contract 
basis. NAICS 481211 (Nonscheduled Chartered 
Passenger Air Transportation) provides air 
transportation of passengers or passengers and 
cargo with no regular routes and regular schedules. 
NAICS 481212 (Nonscheduled Chartered Freight 
Air Transportation) provides air transportation of 
cargo without transporting passengers with no 
regular routes and regular schedules. NAICS 481219 
(Other Nonscheduled Air Transportation) provides 
air transportation with no regular routes and regular 
schedules (except nonscheduled chartered 
passenger and/or cargo air transportation). These 
establishments provide a variety of specialty air 
transportation or flying services based on 
individual customer needs using general purpose 
aircraft. 
76 NAICS 517311 (Wired Telecommunications 
Carriers) comprises establishments primarily 
engaged in operating and/or providing access to 
transmission facilities and infrastructure that they 
own and/or lease for the transmission of voice, data, 
text, sound, and video using wired 
telecommunications networks. Establishments in 
this industry use the wired telecommunications 
network facilities that they operate to provide a 
variety of services, such as wired telephony 
services, including VoIP services; wired (cable) 
audio and video programming distribution; wired 
broadband internet services; and, by exception, 
establishments providing satellite television 
distribution services using facilities and 
infrastructure that they operate are included in this 
industry. NAICS 517312 (Wireless 
Telecommunications Carriers (except Satellite)) 
comprises establishments primarily engaged in 
operating and maintaining switching and 
transmission facilities to provide communications 
via the airwaves. Establishments in this industry 
have spectrum licenses and provide services using 
that spectrum, such as cellular phone services, 
paging services, wireless internet access, and 
wireless video services. NAICS 517410 (Satellite 
Telecommunications) comprises establishments 
primarily engaged in providing telecommunications 
services to other establishments in the 
telecommunications and broadcasting industries by 
forwarding and receiving communications signals 
via a system of satellites or reselling satellite 
telecommunications. NAICS 517911 
(Telecommunications Resellers) comprises 
establishments engaged in purchasing access and 
network capacity from owners and operators of 
telecommunications networks and reselling wired 
and wireless telecommunications services (except 
satellite) to businesses and households. 
Establishments in this industry resell 
telecommunications; they do not operate 
transmission facilities and infrastructure. NAICS 
517919 (All Other Telecommunications) comprises 
establishments primarily engaged in providing 
specialized telecommunications services, such as 
satellite tracking, communications telemetry, and 
radar station operation, and also includes 
establishments primarily engaged in providing 
satellite terminal stations and associated facilities 
connected with one or more terrestrial systems and 
capable of transmitting telecommunications to, and 
receiving telecommunications from, satellite 
systems, as well as establishments providing 
internet services or Voice over internet protocol 
(VoIP) services via client-supplied 
telecommunications connections. 
members.72 This suggests both that the 
costs estimates attributed to the ETS are 
overstated for these employers because 
higher levels of compliance may have 
already occurred than projected in 
OSHA’s analysis, and that the ETS 
requirements reflect more of an industry 
trend than a threat to the existence of 
the industry. 
7. NAICS 713120—Amusement 
Arcades, 11.18 Percent 73 
This industry caters to a select 
clientele who have chosen to engage in 
leisure activities in the unique settings 
offered by the industry, thus negating 
the likelihood for substitution. In 
addition, because these settings are 
localized, there is no risk of 
international competition. 
8. NAICS 488320—Marine Cargo 
Handling, 10.03 Percent 74 
The services this industry offers are 
integrated into a particular location and 
entail specific tasks, such as loading and 
unloading services at ports and harbors, 
longshoremen services, marine cargo 
handling services, ship hold cleaning 
services, and stevedoring services, that 
must be done to ensure the proper 
movement of cargo off of and onto 
ships, thus negating the potential for 
substitution. In addition, because these 
are services that need to be done in 
particular domestic locations (e.g., 
docks), there is no risk of international 
competition. 
As with towing, the actual cost 
impacts on this industry are likely 
significantly overstated to the extent 
that some of the employees may be able 
to perform their work exclusively 
outdoors. 
The Fourteen NAICS Industries With 
Negative Profit Ratios 
1. Air Transportation 75 
NAICS 481111 (Scheduled Passenger 
Air Transportation), NAICS 481112 
(Scheduled Freight Air Transportation), 
NAICS 481211 (Nonscheduled 
Chartered Passenger Air 
Transportation), NAICS 481212 
(Nonscheduled Chartered Freight Air 
Transportation), NAICS 481219 (Other 
Nonscheduled Air Transportation). 
This group of NAICS industries is 
comprised of U.S. industries that 
primarily engage in providing air 
transportation. There is little to no risk 
of substitution for this group of NAICS 
industries. Air transportation provides 
unique and important benefits that 
cannot be substituted via other forms of 
transportation (e.g., rail, freight, bus). 
(See ATAG, September 2005). To this 
end, air transportation is often the 
speediest means of transporting 
passengers and cargo, giving it a unique 
purpose that cannot be met by other 
forms of transport. It should be noted 
that the five NAICS in this group of 
industries are the only NAICS in NAICS 
4811 (Scheduled Air Transportation) 
and 4812 (Nonscheduled Air 
Transportation). The other industries in 
NAICS 48 (Transportation) do not 
provide air transportation (See NAICS 
Association, 2018b). This further 
reduces the risk of substitution, as all 
five NAICS at issue have a negative 
profit ratio and therefore face similar 
challenges that appear to be endemic to 
air transportation. Firms in this industry 
that have been able to weather the 
pandemic this long are typically highly 
capitalized or have access to loans, so it 
is highly likely that they could also 
weather the temporary marginal costs of 
OSHA’s ETS. 
There is also no risk of international 
competition with respect to this group 
of NAICS industries because any 
workers, whether they work for an 
international company or not, who are 
in the US, are subject to US laws, 
including the ETS, and foreign air 
carriers will need to follow the ETS for 
those workers. In addition, OSHA 
suspects that any smaller foreign air 
carriers will not have an incentive to 
expand their routes significantly or 
change their routes to domestic US 
routes to take advantage of the 100- 
employee cutoff in the ETS in the 6- 
months the ETS is assumed to be in 
effect. 
2. Telecommunications 76 
NAICS 517311 (Wired 
Telecommunications Carriers), NAICS 
517312 (Wireless Telecommunications 
Carriers (except Satellite), NAICS 
517410 (Satellite Telecommunications), 
NAICS 517911 (Telecommunications 
Resellers), NAICS 517919 (All Other 
Telecommunications). 
This group of NAICS industries is 
entirely comprised of U.S. industries, 
except for NAICS 517410 (Satellite 
Telecommunications). All of these 
industries provide specialized unique 
services in the telecommunications 
industry that require specialized unique 
knowledge and are thus resistant to 
substitution. While it is perhaps 
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77 NAICS 532111 (Passenger Car Rental) 
comprises establishments primarily engaged in 
renting passenger cars without drivers, generally for 
short periods of time. NAICS 532112 (Passenger Car 
Leasing) comprises establishments primarily 
engaged in leasing passenger cars without drivers, 
generally for long periods of time. NAICS 532120 
(Truck, Utility Trailer, and RV (Recreational 
Vehicle) Rental and Leasing comprises 
establishments primarily engaged in renting or 
leasing, without drivers, one or more of the 
following: Trucks, truck tractors, buses, semi- 
trailers, utility trailers, or RVs (recreational 
vehicles). NAICS 532310 (General Rental Centers) 
comprises establishments primarily engaged in 
renting a range of consumer, commercial, and 
industrial equipment. Establishments in this 
industry typically operate from conveniently 
located facilities where they maintain inventories of 
goods and equipment that they rent for short 
periods of time. The type of equipment that 
establishments in this industry provide often 
includes, but is not limited to: Audio visual 
equipment, contractors’ and builders’ tools and 
equipment, home repair tools, lawn and garden 
equipment, moving equipment and supplies, and 
party and banquet equipment and supplies. 
78 See Park, January 23, 2021. 
possible that different forms of 
telecommunications might be 
substituted for one another (e.g., the 
substitution of wired 
telecommunications carriers for wireless 
telecommunications carriers), the reality 
is that these different forms exist 
separately and feed different markets 
and customer needs that are 
independent of the ETS. Moreover, the 
five NAICS in this group of industries 
are the only NAICS in NAICS 5173 
(Wired and Wireless 
Telecommunications Carriers), NAICS 
5174 (Satellite Telecommunications), 
and NAICS 5179 (Other 
Telecommunications). The other 
industries in NAICS 51 (Information) 
are not engaged in telecommunications 
(NAICS Association, 2018c). This 
further reduces the risk of one industry 
substituting for the others, as all five 
NAICS at issue have a negative profit 
ratio and therefore face similar 
challenges that appear to be endemic to 
telecommunications. 
Moreover, three of the five NAICS 
industries in this group (NAICS 517311, 
517312, 517410) operate or control the 
infrastructure needed for engaging in 
the particular type of 
telecommunications in which those 
industries engage. This not only fully 
negates the risk of substitution, but also 
negates the risk of international 
competition for these industries. 
The other two industries in the group 
apparently do not operate or control the 
infrastructure needed for 
telecommunications. However, the 
telecommunications industry faces strict 
state and federal licensing requirements, 
which severely limit the risk of 
competition both internationally and 
from smaller firms seeking to take 
advantage of the ETS’s 100-employee 
cutoff. (See FCC, 2014; FCC, October 12, 
2021a; FCC, October 12, 2021b; 
Caltrans, October 12, 2021; and UTC, 
October 12, 2021). 
3. Car and Equipment Rental 77 
NAICS 532111 (Passenger Car Rental), 
NAICS 532112 (Passenger Car Leasing), 
NAICS 532120 (Truck, Utility Trailer), 
and RV (Recreational Vehicle) Rental 
and Leasing) NAICS 532310 (General 
Rental Centers). 
This group of industries rent motor 
vehicles (NAICS 532111, 532112, 
532120) or equipment (NAICS 532310), 
for example, audio visual equipment, 
contractors’ and builders’ tools and 
equipment, home repair tools, lawn and 
garden equipment, moving equipment 
and supplies, and party and banquet 
equipment and supplies, to individuals 
and businesses, for personal and 
professional use. There is no risk of 
substitution with respect to these 
industries, as these industries rent 
specific items to those who want to use 
them. There is also no risk of foreign 
competition with respect to these 
industries, as consumers and businesses 
rent and pick up vehicles, as well as the 
type of equipment offered for rent by 
NAICS 532310, from specific locations, 
including car rental and other rental 
centers. 
These industries have not been hard 
hit by the pandemic, as many 
consumers have turned from group 
travel to individual transportation. For 
example, RV rentals and leasing has 
soared during the pandemic, which is 
not reflected in the pre-pandemic profit 
and revenue data available for this 
analysis.78 
References 
Air Transport Action Group (ATAG). (2005, 
September). The economic & social 
benefits of air transport. https://
www.icao.int/meetings/wrdss2011/ 
documents/jointworkshop2005/atag_
socialbenefitsairtransport.pdf. (ATAG, 
September 2005) 
Beale HBR. (2003). Financial Data Sources. 
Microeconomic Applications Inc. (Beale 
Report, 2003) 
Brown J. (2017, January 19). Bring More 
Diversity to Skiing. https://
www.powder.com/stories/opinion/ 
extend-the-family/. (Brown, January 19, 
2017) 
Caltrans. (2021, October 12). Wireless 
Licensing Program, California 
Department of Transportation. https://
dot.ca.gov/programs/right-of-way/ 
wireless-licensing-program. (Caltrans, 
October 12, 2021) 
Federal Communications Commission (FCC). 
(2021, October 12a) Licensing. https://
www.fcc.gov/licensing-databases/ 
licensing. (FCC, October 12, 2021a) 
Federal Communications Commission (FCC). 
(2021, October 12b) Satellite. https://
www.fcc.gov/general/satellite. (FCC, 
October 12, 2021b) 
Groenewold M et al., (2020, July 10). 
Increases in Health-Related Workplace 
Absenteeism Among Workers in 
Essential Critical Infrastructure 
Occupations During the COVID–19 
Pandemic—United States, March–April 
2020. Centers for Disease Control and 
Prevention MMWR Vol. 69, No. 27. 
(Groenewold et al., July 10, 2020) 
Internal Revenue Service (IRS). (2013). 2013 
Corporation Source Book. https://
www.irs.gov/statistics/soi-tax-stats- 
corporation-source-book-us-total-and- 
sectors-listing. (IRS, 2013) 
Jackson S. (2021, August 2). Gyms like 
Equinox and SoulCycle will soon require 
members to show proof of vaccination to 
use their clubs and studios. https://
www.businessinsider.com/equinox- 
soulcycle-will-require-covid-19-vaccines- 
for-members-staff-2021–8. (Jackson, 
August 2, 2021) 
NAICS Association. (2018a). NAICS Codes 
Description, 2018: 221118—Other 
Electric Power Generation. https://
www.naics.com/naics-code-description/ 
?code=221118. Last accessed October 12, 
2021. (NAICS Association, 2018a) 
NAICS Association. (2018b). Six Digit NAICS 
Codes and Titles, 2018: Codes 48–49. 
https://www.naics.com/six-digit-naics/ 
?code=48-49. Last accessed October 12, 
2021. (NAICS Association, 2018b) 
NAICS Association. (2018c). Six Digit NAICS 
Codes and Titles, 2018: Code 51. https:// 
www.naics.com/six-digit-naics/ 
?code=51. Last accessed October 12, 
2021. (NAICS Association, 2018c) 
NAICS Association. (2018d). NAICS Profile 
Page, 2018: Berkshire Hathaway Energy 
Co. https://www.naics.com/company- 
profile-page/?co=4973. Last accessed 
October 12, 2021. (NAICS Association, 
2018d) 
NAICS Association. (2018e). NAICS Profile 
Page, 2018: Dominion Energy Inc. 
https://www.naics.com/company-profile- 
page/?co=11715. Last accessed October 
12, 2021. (NAICS Association, 2018e) 
Occupational Safety and Health 
Administration (OSHA). (2016, March 
24). Final Economic and Regulatory 
Flexibility Analysis for OSHA’s Rule on 
Occupational Exposure to Respirable 
Crystalline Silica, Chapter VI, pp. VI–20. 
Docket No. OSHA–2010–0034–4247. 
(OSHA, March 24, 2016) 
Occupational Safety and Health 
Administration (OSHA). (2021a, 
October). Analytical Spreadsheets in 
Support of the COVID–19 Vaccination 
and Testing ETS. (OSHA, October 2021a) 
Park S. (2021, January 23). RV sales soar 
during coronavirus pandemic. https://
www.foxbusiness.com/lifestyle/rv-sales- 
soar-during-pandemic-travel-road-trip. 
(Park, January 23, 2021) 
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scientific_integrity.html. (US Census 
Bureau, October 8, 2021a) 
U.S. Census Bureau. (2021, October 8b). 
Statement of Commitment to Scientific 
Integrity by Principal Statistical 
Agencies. https://www.census.gov/ 
content/dam/Census/about/about-the- 
bureau/policies_and_notices/ 
scientificintegrity/Scientific_Integrity_
Statement_of_the_Principal_Statistical_
Agencies.pdf. (US Census Bureau, 
October 8, 2021b) 
Walker C. (2013, January 22). Is Tidal Power 
a Viable Source of Energy? https://
www.azocleantech.com/article.aspx?
ArticleID=350. (Walker, January 22, 
2013) 
Washington Utilities and Transportation 
Commission (UTC). (2021, October 12). 
Eligible Telecommunications Carriers. 
https://www.utc.wa.gov/regulated- 
industries/utilities/telecommunications/ 
federal-universal-service-funds/eligible- 
telecommunications-carriers. (UTC, 
October 12, 2021) 
V. Additional Requirements 
A. Regulatory Flexibility Act 
Whenever an agency is required by 
the Administrative Procedure Act, 5 
U.S.C. 553, or another law, to publish a 
general notice of proposed rulemaking, 
the Regulatory Flexibility Act (RFA), 5 
U.S.C. 601 et seq., requires the agency 
to prepare an initial regulatory 
flexibility analysis (IRFA). 5 U.S.C. 
601(2), 603(a). Since this ETS ‘‘shall 
serve as a proposed rule’’ for a final 
standard under section 6(c)(3) of the 
OSH Act, it is treated as a general notice 
of proposed rulemaking under the RFA. 
An agency may waive or defer the IRFA 
in the event a rule is promulgated in 
response to an emergency that makes 
compliance with the requirements of 
section 603 impracticable. 5 U.S.C. 
608(a). The agency hereby certifies that 
compliance with the IRFA requirement 
is impracticable under the 
circumstances. OSHA prepared this ETS 
on an expedited basis in response to a 
national emergency affecting the lives 
and health of the nation’s workers; the 
IRFA is inherently a relatively lengthy 
process that would be impracticable to 
undertake for a standard of such broad 
applicability in the limited time 
available. Because OSHA is not 
preparing an IRFA for the ETS, the 
agency is also not required to convene 
a small entity panel under section 
609(b). 
B. Unfunded Mandates Reform Act 
(UMRA), 2 U.S.C. 1501 et seq. 
Section 202 of the Unfunded 
Mandates Reform Act of 1995 (UMRA), 
2 U.S.C. 1532, requires agencies to 
assess the anticipated costs and benefits 
of a rule before issuing ‘‘any general 
notice of proposed rulemaking’’ that 
includes a Federal mandate that may 
result in expenditures in any one year 
by state, local, or Tribal governments, or 
by the private sector, of at least $100 
million, adjusted annually for inflation. 
The assessment requirement also 
applies to ‘‘any final rule for which a 
general notice of proposed rulemaking 
was published.’’ Although no general 
notice of proposed rulemaking was 
published, the agency has analyzed the 
ETS’s economic feasibility and health 
impacts in Section IV.B. of this 
preamble (Economic Analysis) and 
Health Impacts Appendix (OSHA, 
October 2021c). 
C. Executive Order 13175 
Section 5 of E.O. 13175, on 
Consultation and Coordination with 
Indian Tribal Governments, requires 
agencies to consult with tribal officials 
early in the process of developing 
regulations that: (1) Have tribal 
implications, that impose substantial 
direct compliance costs on Indian 
governments, and that are not required 
by statute; or (2) have tribal implications 
and preempt tribal law. 65 FR 67249, 
67250 (Nov. 6, 2000). E.O. 13175 
requires that such consultation occur to 
the extent practicable. Given the 
expedited nature of issuing the ETS, it 
was not practicable for OSHA to consult 
and incorporate non-federal input prior 
to promulgation of the standard. OSHA 
commits to meaningful consultation 
with tribal representatives after 
publication of the ETS and during the 
comment period before finalizing any 
permanent standard. Such consultation 
will be consistent with the 
Administrative Procedure Act. 
D. National Environmental Policy Act 
OSHA has reviewed this ETS 
according to the National 
Environmental Policy Act (NEPA) of 
1969, 42 U.S.C. 4321 et seq., the 
regulations of the Council on 
Environmental Quality, 40 CFR chapter 
V, subchapter A, and the Department of 
Labor’s NEPA procedures, 29 CFR part 
11. As a result of this review, the agency 
has determined that the rule will have 
no significant impact on air, water, or 
soil quality; plant or animal life; the use 
of land; or other aspects of the external 
environment. Although the ETS 
contains testing requirements, and test 
kits and supplies can generate some 
additional materials that will enter the 
waste stream, the impact of this ETS 
will be minimal. As discussed in more 
detail in Technological Feasibility 
(Section IV.A. of this preamble), there is 
already a surplus of available tests, and 
projected production of COVID–19 tests 
will be more than sufficient to meet 
demands for testing created as a result 
of the rule. Therefore, tests used for 
purposes of or for compliance with this 
ETS are not being produced as a result 
of this standard, and the standard will 
not generate significant new streams of 
waste beyond what would be generated 
in the absence of the standard. 
E. Congressional Review Act 
This ETS is considered a major rule 
under the Congressional Review Act 
(CRA), 5 U.S.C. 801 et seq. Section 
801(a)(3) of the CRA normally requires 
a 60-day delay in the effective date of 
a major rule. 5 U.S.C. 801(a)(3), 804(2). 
However, section 808(2) of the CRA 
allows the issuing agency to make a rule 
effective sooner than otherwise 
provided by the CRA if the agency 
makes a good cause finding that notice 
and public procedure are impracticable, 
unnecessary, or contrary to the public 
interest. 5 U.S.C. 808(2). OSHA finds 
that there is good cause to make this 
rule effective upon publication because 
notice and public procedure with 
respect to this ETS are both 
impracticable and contrary to the public 
interest, given the expedited timeline on 
which this standard was developed and 
the grave danger threatening workers’ 
lives and health (see Grave Danger and 
Need for the ETS, both in Section III. of 
this preamble). Congress authorized 
OSHA to take swift action in 
promulgating an ETS to address this 
type of grave danger, and provided 
explicitly that an ETS is effective upon 
publication, 29 U.S.C. 655(c)(1); 
delaying the effective date of such an 
expedited process would thwart that 
purpose. It is specifically because of the 
emergency nature of this rulemaking 
that the OSH Act allows for OSHA to 
proceed without the extensive public 
input the agency normally solicits in 
issuing occupational safety and health 
standards. 29 U.S.C. 655(c)(1). For rules 
to which section 808(2) applies, the 
agency may set the effective date. In this 
case, consistent with the OSH Act 
requirement cited above, the ETS takes 
immediate effect upon publication in 
the Federal Register. 
F. Administrative Procedure Act 
The Administrative Procedure Act 
(APA) normally requires notice and 
comment, and a 30-day delay of the 
effective date of a final rule, for 
recordkeeping and reporting regulations 
promulgated under section 8(c) of the 
OSH Act. 29 U.S.C. 657(c); 5 U.S.C. 
553(b), (d). This ETS contains 
recordkeeping and reporting 
requirements tailored to address 
COVID–19 illness. To the extent that 
these requirements are not already 
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exempt from the APA’s requirements for 
notice and comment under section 6(c) 
of the Act (29 U.S.C. 655(c)), OSHA 
invokes the ‘‘good cause’’ exemption to 
the APA’s notice requirement because 
the agency finds that notice and public 
procedure are impracticable and 
contrary to the public interest under 5 
U.S.C. 553(b)(B). As explained in more 
detail in Grave Danger and Need for the 
ETS (both in Section III. of this 
preamble), this finding is based on the 
critical importance of implementing the 
requirements in this ETS, including the 
recordkeeping and reporting provisions, 
as soon as possible to address the grave 
danger that COVID–19 presents to 
workers. 
As noted above, the ETS is required 
by the OSH Act to take immediate effect 
upon publication. 29 U.S.C. 655(c)(1). 
For that reason, and the underlying 
public health emergency that prompted 
this ETS as discussed above, OSHA 
finds good cause to waive the normal 
30-day delay in the effective date of a 
final rule from the date of its 
publication in the Federal Register. See 
5 U.S.C. 553(d)(3). OSHA notes, 
however, that OSHA does not require 
compliance with any provision of the 
ETS within the first 30 days after it 
becomes effective. 
G. Consensus Standards 
OSHA must consider adopting an 
existing national consensus standard 
that differs substantially from OSHA’s 
standard if the consensus standard 
would better effectuate the purposes of 
the Act. See section 12(d)(1) of the 
National Technology Transfer and 
Advancement Act of 1995 (15 U.S.C.A. 
272 Note); see also 29 U.S.C. 655(b)(8). 
OSHA considered incorporation of 
ASTM F3502–21 in this ETS, as 
required. However, the agency has 
insufficient evidence to make a general 
finding of feasibility at this time. The 
agency notes that face coverings that 
meet ASTM F3502–21 criteria also meet 
the definition of ‘‘face coverings’’ in this 
ETS (see the discussion of this issue in 
Summary and Explanation, Section VI. 
of this preamble). The agency has asked 
questions about this topic to gather 
additional information. 
H. Executive Order 13045 
Executive Order 13045, on Protection 
of Children from Environmental Health 
Risks and Safety Risks, requires that 
Federal agencies submitting covered 
regulatory actions to OIRA for review 
pursuant to Executive Order 12866 must 
provide OIRA with (1) an evaluation of 
the environmental health or safety 
effects that the planned regulation may 
have on children, and (2) an explanation 
of why the planned regulation is 
preferable to other potentially effective 
and reasonably feasible alternatives 
considered by the agency (62 FR 19885 
(April 23, 1997)). Executive Order 13045 
defines ‘‘covered regulatory actions’’ as 
rules that may (1) be economically 
significant under Executive Order 
12866, and (2) concern an 
environmental health risk or safety risk 
that an agency has reason to believe may 
disproportionately affect children. 
Because OSHA has no reason to believe 
that the risk from COVID–19 
disproportionately affects children, the 
ETS is not a covered regulatory action 
and OSHA is not required to provide 
OIRA with further analysis under 
section 5 of the executive order. 
However, to the extent children are 
exposed to COVID–19 either as 
employees or at home as a result of 
family members’ workplace exposures 
to COVID–19, the ETS should provide 
some protection for children. 
I. Federalism 
The agency reviewed this ETS 
according to Executive Order 13132, on 
Federalism, which requires that Federal 
agencies, to the extent possible, refrain 
from limiting State policy options, 
consult with States before taking actions 
that would restrict States’ policy 
options, and take such actions only 
when clear constitutional authority 
exists and the problem is of national 
scope. 64 FR 43255 (August 10, 1999). 
The Executive Order generally allows 
Federal agencies to preempt State law 
only as provided by Congress or where 
State law conflicts with Federal law. In 
such cases, Federal agencies must limit 
preemption of State law to the extent 
possible. 
The Occupational Safety and Health 
Act is an exercise of Congress’s 
Commerce Clause authority, and under 
Section 18 of the Act, 29 U.S.C. 667, 
Congress expressly provided that States 
may adopt, with Federal approval, a 
plan for the development and 
enforcement of occupational safety and 
health standards. OSHA refers to States 
that obtain Federal approval for such 
plans as ‘‘State Plans.’’ Occupational 
safety and health standards developed 
by State Plans must be at least as 
effective in providing safe and healthful 
employment and places of employment 
as the Federal standards. As discussed 
below, State Plans must submit to 
Federal OSHA for approval, standards 
that differ from Federal standards 
addressing the same issues, in order for 
such standards to become part of the 
OSHA-approved State Plan. Subject to 
these requirements, State Plans are free 
to develop and enforce their own 
occupational safety and health 
standards. 
This ETS complies with E.O. 13132. 
The problems addressed by this ETS for 
COVID–19 are national in scope. As 
explained in Grave Danger (Section 
III.A. of this preamble), employees face 
a grave danger from exposure to 
COVID–19 in the workplace. Employees 
across the country face the danger of 
exposure to COVID–19 at work, and as 
explained in Need for the ETS (Section 
III.B. of this preamble), a national 
standard is needed to protect workers 
from the grave danger of COVID–19 by 
strongly encouraging vaccination and 
limiting the presence of COVID–19 
positive workers in the workplace 
through testing and to ensure that a 
clear and consistent baseline approach 
is taken across the country to protect 
them. The SARS–CoV–2 virus is highly 
communicable and infects workers 
without regard to state borders, making 
a national approach necessary. 
Accordingly, the ETS establishes 
minimum requirements for employers 
in every State to protect employees from 
the risks of exposure to COVID–19. 
In States without OSHA-approved 
State Plans, Congress provides for 
OSHA standards to preempt State 
occupational safety and health 
standards for issues addressed by the 
Federal standards. In these States, this 
ETS limits State policy options in the 
same manner as every standard 
promulgated by the agency. 
Furthermore, as discussed in the 
Summary and Explanation for Purpose, 
nothing in the ETS is intended to limit 
generally applicable public health 
measures instituted by state or local 
governments that go beyond, and are not 
inconsistent with, the requirements of 
the ETS. (See Summary and 
Explanation for Purpose, Section VI.A. 
of this preamble); Gade v. National 
Solid Wastes Management Ass’n, 505 
U.S. 88, 107 (1992). In States with 
OSHA-approved State Plans, this ETS 
does not significantly limit State policy 
options. Any special workplace 
problems or conditions in a State with 
an OSHA-approved State Plan may be 
dealt with by that State’s standard, 
provided the standard is at least as 
effective as this ETS. 
As discussed in the Summary and 
Explanation for Purpose in this 
preamble, OSHA has included a 
provision that states the purpose of this 
ETS, as well as OSHA’s intent to 
preempt all inconsistent State and local 
requirements that relate to the issues 
addressed by this ETS. (See section 
1910.501(a); Summary and Explanation 
for Purpose, Section VI.A. of this 
preamble). This includes State and local 
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79 The ETS applies to agricultural establishments 
with 11 or more employees engaged on any day in 
hand-labor occupations in the field and agricultural 
establishments that maintain a temporary labor 
camp, regardless of how many employees are 
engaged on any day in hand-labor occupations in 
the field). 
requirements banning or limiting the 
authority of employers to require 
vaccination, face covering, or testing. As 
discussed in that section, such State and 
local bans would be preempted by this 
ETS, even in States with OSHA- 
approved State Plans, because such bans 
are not approved by federal OSHA as 
part of the State Plan and could not be 
approved, because such bans are clearly 
not as effective—and, indeed, are 
contrary to—the federal ETS. See 
Indust. Truck Ass’n v. Henry, 125 F.3d 
1305, 1311 (9th Cir. 1997). 
J. State Plans 
When Federal OSHA promulgates an 
emergency temporary standard, States 
and U.S. Territories with their own 
OSHA-approved occupational safety 
and health plans (‘‘State Plans’’) must 
either amend their standards to be 
identical or ‘‘at least as effective as’’ the 
new standard, or show that an existing 
State Plan standard covering this area is 
‘‘at least as effective’’ as the new Federal 
standard. 29 CFR 1953.5(b). This ETS 
imposes new requirements to protect 
workers across the nation from COVID– 
19. Adoption of this ETS, or an ETS that 
is at least as effective as this ETS, by 
State Plans must be completed within 
30 days of the promulgation date of the 
final Federal rule, and State Plans must 
notify Federal OSHA of the action they 
will take within 15 days. The State Plan 
standard must remain in effect for the 
duration of the Federal ETS. As noted 
above in Federalism (Section V.I. of this 
preamble), this ETS preempts all State 
and local requirements, including in 
States with State Plans, that ban or limit 
the authority of employers to require 
vaccination, face covering, or testing. 
(See also the Summary and Explanation 
for Purpose, Section VI.A. of this 
preamble). As with all non-identical 
State Plan standards, OSHA will review 
any comparable State standards to 
determine whether they are at least as 
effective as this ETS. A State Plan 
standard that prohibits employers from 
requiring vaccination would not be at 
least as effective as this ETS because 
OSHA has recognized in this ETS that 
vaccination is the most protective policy 
choice for employers to adopt to protect 
their workplaces. 
Of the 28 States and Territories with 
OSHA-approved State Plans, 22 cover 
both public and private-sector 
employees: Alaska, Arizona, California, 
Hawaii, Indiana, Iowa, Kentucky, 
Maryland, Michigan, Minnesota, 
Nevada, New Mexico, North Carolina, 
Oregon, Puerto Rico, South Carolina, 
Tennessee, Utah, Vermont, Virginia, 
Washington, and Wyoming. The 
remaining six States and Territories 
cover only state and local government 
employees: Connecticut, Illinois, Maine, 
New Jersey, New York, and the Virgin 
Islands. 
K. Paperwork Reduction Act 
I. Overview 
The Emergency Temporary Standard 
(ETS) for COVID–19 Vaccination and 
Testing contains collection of 
information requirements that are 
subject to review by the Office of 
Management and Budget (OMB) under 
the Paperwork Reduction Act of 1995 
(PRA), 44 U.S.C. 3501, et seq., and 
OMB’s regulations at 5 CFR part 1320. 
The PRA defines a collection of 
information to mean the obtaining, 
causing to be obtained, soliciting, or 
requiring the disclosure to third parties 
or the public, of facts or opinions by or 
for an agency, regardless of form or 
format (44 U.S.C. 3502(3)(A)). OSHA 
has determined an ETS is necessary to 
protect workers from the grave danger 
posed by COVID–19 and is issuing an 
ETS that amends 29 CFR 1910 subpart 
U to provide COVID–19 protections to 
workers of employers with 100 or more 
employees. Section 1910.501 contains 
collections of information necessary to 
effectuate the purpose of the ETS. The 
collections of information appear in 
paragraphs 1910.501(d), (e)(2), (e)(4), 
(f)(1), (g)(1), (g)(4), (h)(1), (j), (k)(1), 
(k)(2), (l)(1), and (l)(2). For a more 
comprehensive discussion of these 
provisions, see the sectional analysis 
earlier in this preamble. These 
information collections are applied by 
cross reference to other industries in 
regulations 29 CFR 1915.1501 (Shipyard 
Employment), 1917.31 (Marine 
Terminals), 1918.110 (Longshoring), 
1926.58 (Construction), 1928.21 
(Agriculture).79 
Under the PRA, a Federal agency 
cannot conduct or sponsor a collection 
of information unless OMB approves it 
and the agency displays a currently 
valid OMB control number (44 U.S.C. 
3507). Notwithstanding any other 
provision of law, if a collection of 
information does not display a currently 
valid control number, an employer shall 
not be subject to penalty for failing to 
comply with the collection of 
information (44 U.S.C. 3512). The PRA 
has special provisions for emergency 
situations that are applicable to this 
ETS. OMB may authorize a collection of 
information without regard to the 
normal clearance procedures if either (a) 
the relevant agency determines that the 
collection of information is essential to 
the mission of the agency and public 
harm is reasonably likely to result if 
normal clearance procedures are 
followed, or (b) the use of normal 
clearance procedures is reasonably 
likely to cause a statutory or court 
ordered deadline to be missed (44 
U.S.C. 3507(j) and 5 CFR 1320.13). 
Because COVID–19 presents an ongoing 
public health threat to workers and 
American businesses, OSHA has 
requested the use of these emergency 
procedures for this ETS. In accordance 
with 44 U.S.C. 3507(j)(1), OMB 
approved the request and assigned this 
ETS an OMB control number that is 
valid for 180 days. Therefore, the 
information collection provisions 
contained within this ETS will take 
effect at the same time as all other 
provisions. 
II. Summary of Information Collection 
Requirements 
This information collection is 
summarized as follows. 
1. Title: COVID–19 Vaccination and 
Testing Emergency Temporary Standard 
(29 CFR 1910, subpart U; 1915, subpart 
Z; 1917, subpart B; 1918, subpart K; 
1926, subpart D; 1928, subpart B). 
2. Type of Review: Emergency. 
3. OMB Control Number: 1218–0278. 
4. Affected Public: This rule applies to 
employers with a total of 100 or more 
employees except where the workplace 
is covered under the Safer Federal 
Workforce Task Force COVID–19 
Workplace Safety: Guidance for Federal 
Contractors and Subcontractors; or in 
setting where the employee provides 
healthcare services or healthcare 
support services that falls under the 
requirements of 29 CFR 1910.502. This 
rule does not apply to employees of 
covered employers who work from 
home, exclusively outdoors, or who do 
not report to a workplace where other 
individuals such as coworkers or 
customers are present. 
5. Description of the ICR. This ICR 
contains collections of information 
requirements for employers with 100 or 
more employees. The employer must 
establish, implement, and enforce a 
written mandatory vaccination policy 
that requires each employee to be fully 
vaccinated against COVID–19 unless the 
employer implements a policy that 
allows employees to choose between 
being fully vaccinated or both tested 
and wearing a face covering. Employers 
must determine employee vaccination 
status, and must require than any 
employees who are not vaccinated be 
tested for COVID–19 at least once every 
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80 The Court held that the dual impact licensing 
statutes were preempted; however, no rationale 
commanded a majority. A four-justice plurality 
found that supplementary State regulation is 
impliedly preempted. Id. at 98–99. Justice 
Kennedy’s concurrence would have found express 
preemption rather than implied preemption, Id. at 
110–111, but otherwise agreed that ‘‘in the OSH 
statute Congress intended to pre-empt 
supplementary state regulation.’’ Id. at 113. 
7 days. Employers must provide 
specified information to employees 
regarding COVID–19 vaccine efficacy, 
safety, and the benefits of being 
vaccinated, and must maintain a record 
of the COVID–19 vaccination status, 
proof of vaccination, and copies of 
employee COVID–19 test results, and 
the aggregate number of fully vaccinated 
employees at a workplace along with 
the total number of employees at that 
workplace. 
6. Number of respondents: 1,858,935. 
7. Frequency: Varies. 
8. Number of Responses: 205,262,803. 
9. Estimated Burden Hours: 
79,720,444. 
10. Estimated Cost (Capital-operation 
and maintenance): $1,383,751,520. 
These totals are explained and 
supported in the agency’s Supporting 
Statement as required by the PRA. 
III. Request for Comment 
Although the ETS takes effect 
immediately, with implementation 
dates specified in the Dates provision of 
this publication, it also serves as a 
temporary standard that can only be 
made permanent following an 
opportunity for public notice and 
comment. OSHA therefore invites the 
public to submit comments to OSHA on 
the proposed collections of information 
with regard to the following. 
• Whether the proposed collections of 
information are necessary for the proper 
performance of the Agency’s functions, 
including whether the information is 
useful. 
• The accuracy of OSHA’s estimate of 
the burden (time and cost) of the 
collections of information, including the 
validity of the methodology and 
assumptions used. 
• The quality, utility, and clarity of 
the information collected. 
• Ways to minimize the compliance 
burden on employers, for example, by 
using automated or other technological 
techniques for collecting and 
transmitting information. 
Please submit comments related to the 
Paperwork Act analysis to OSHA in the 
PRA docket (Docket Number OSHA– 
2021–0008). Comments related to other 
parts of the ETS should be submitted to 
the rulemaking docket (Docket Number 
OSHA–2021–0007). OSHA will accept 
comments for 60 days on the 
information collection aspects of the 
rule. For instructions on submitting 
these comments to the rulemaking and/ 
or PRA docket, see the sections of this 
Federal Register notice titled DATES and 
ADDRESSES. 
References 
Occupational Safety and Health 
Administration (OSHA). (2021c, 
October). Health Impacts of the COVID– 
19 Vaccination and Testing ETS. (OSHA, 
October 2021c) 
VI. Summary and Explanation 
A. Purpose 
The ETS includes a sentence that 
states the purpose of the rule. The first 
part of the sentence in the paragraph 
indicates that the standard addresses the 
grave danger of COVID–19 in the 
workplace by establishing workplace 
vaccination, vaccination verification, 
face covering and testing requirements. 
The second part of the sentence 
addresses the preemption of State and 
local laws, regulations, executive orders, 
and other requirements, by this Federal 
standard. It indicates OSHA’s intention 
that the ETS address comprehensively 
the occupational safety and health 
issues of vaccination, wearing face 
coverings, and testing for COVID–19, 
and thus that the standard is intended 
to preempt States, and political 
subdivisions of States, from adopting 
and enforcing workplace requirements 
relating to these issues, except under the 
authority of a Federally-approved State 
Plan. In particular, OSHA intends to 
preempt any State or local requirements 
that ban or limit an employer’s authority 
to require vaccination, face covering, or 
testing. 
Preemption of such State and local 
requirements derives from section 18 of 
OSH Act and general principles of 
conflict preemption. See Gade v. 
National Solid Wastes Management 
Ass’n, 505 U.S. 88 (1992).80 Gade 
clarified two important principles. First, 
section 18 expresses Congress’ intent to 
preempt State workplace safety or 
health laws relating to issues on which 
Federal OSHA has promulgated 
occupational safety and health 
standards. Under section 18, a State can 
avoid preemption of such laws only if 
it submits and receives Federal approval 
for a State Plan for the development and 
enforcement of standards. OSHA- 
approved State Plans operate under 
authority of State law and must adopt 
occupational safety and health 
standards which, among other things, 
must be at least as effective in providing 
safe and healthful employment and 
places of employment as Federal 
standards. 29 U.S.C. 667. 
Second, State and local laws that do 
not constitute occupational safety or 
health laws because they are ‘‘laws of 
general applicability’’ that regulate 
workers and nonworkers alike are 
preempted only if they conflict with the 
federal standard. Laws of general 
applicability that are consistent with the 
federal standard are not preempted. 
Gade, 505 U.S. at 107. 
While section 18 applies to every 
occupational safety and health standard 
that OSHA promulgates, this ETS raises 
particular concerns because of the 
current landscape of existing State and 
local requirements that may overlap 
with, or directly conflict with, the 
requirements of this ETS. As discussed 
in Need for the ETS (Section III.B. of 
this preamble), OSHA is adopting this 
ETS in response to an unprecedented 
health crisis that has resulted in a global 
pandemic severely impacting the health 
and wellbeing of people in the United 
States, and globally. This ETS is issued 
based on OSHA’s determination that 
employees in the United States face a 
grave danger from workplace exposures 
to SARS–CoV–2, that the ETS is 
necessary to protect those workers, and 
that the measures for vaccination, 
vaccine verification, face coverings, and 
testing that this ETS requires will help 
ensure that workers covered by the ETS 
are protected from severe illness and 
death resulting from contracting 
COVID–19 in the workplace. 
As explained in Need for the ETS 
(Section III.B. of this preamble), the lack 
of a national standard on this hazard has 
led to disparate State and local 
requirements, and this underscores the 
need for OSHA’s ETS to provide clear 
and consistent protection to employees 
across the country. Over the past 
months, an increasing number of States 
have passed laws or enacted other 
requirements banning workplace 
vaccination policies that would 
mandate vaccination or require proof of 
vaccination status, thus prohibiting 
employers operating in those 
jurisdictions from implementing this 
proven method of protecting workers 
from the hazard of COVID–19 that is at 
the core of this ETS (see, e.g., Texas 
Executive Order GA–40, October 11, 
2021; Montana H.B. 702, July 1, 2021; 
Arkansas S.B. 739, October 4, 2021 and 
Arkansas H.B. 1977, October 1, 2021; 
AZ Executive Order 2021–18, Aug. 16, 
2021). While some States’ bans have 
focused on preventing local 
governments from requiring their public 
employees to be vaccinated or show 
proof of vaccination, the Texas, 
Montana, and Arkansas requirements 
apply to private employers as well. 
Likewise, some States and localities 
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81 The express purposes of such requirements 
banning or limiting employers from requiring 
vaccination, face coverings, or testing may often not 
relate to occupational safety and health. For 
example, Governor Greg Abbott’s Texas face 
covering mandate ban in Executive Order GA–16, 
is based on alleged decreasing COVID–19 rates and 
the need to alleviate ‘‘confusion,’’ (Texas Executive 
Order GA–36, May 18, 2021); the stated purpose of 
Montana’s vaccination mandate ban is to address 
health care privacy interests (Montana H.B. 702, 
July 1, 2021). 
have enacted requirements that prohibit 
businesses, government offices, schools 
or other public spaces from requiring 
that face coverings be worn (see, e.g., 
Florida Executive Order 21–102, May 3, 
2021; Texas Executive Order GA–34, 
March 2, 2021; Texas Executive Order 
GA–36, May 18, 2021). State and local 
requirements that prohibit employers 
from implementing employee 
vaccination mandates, or from requiring 
face coverings in workplaces, serve as a 
barrier to OSHA’s implementation of 
this ETS, and to the protection of 
America’s workforce from this deadly 
virus. 
As discussed below, state restrictions 
of this kind are clearly preempted 
whether they take the form of direct 
workplace regulation or are part of a law 
of general applicability because they 
relate to the issues addressed by this 
standard and conflict with it. Gade, 505 
U.S. at 99, 107. As is also discussed 
below, this is true even for State or local 
requirements that may not prevent 
employers from compliance with the 
ETS, but that prescribe or limit the 
employer’s ability to mandate 
vaccination for its workforce as the 
employer’s chosen means of 
compliance. See Gade, 505 at 107; see 
also Geier v. American Honda, 529 U.S. 
861, 869, 875–886 (2000) (finding 
Department of Transportation (DOT) 
regulations preempted a State tort action 
where the state action ‘‘upset the careful 
regulatory scheme established by federal 
law’’ and placing weight on DOT’s 
interpretation that such tort suit would 
be ‘‘an obstacle to the accomplishment 
and execution’’ of Agency objectives). 
An employer’s choice to mandate 
vaccination is a critical aspect of this 
ETS, and state laws that remove that 
choice conflict with it. 
Thus, to ensure that the ETS 
supplants the existing State and local 
vaccination bans and other 
requirements that could undercut its 
effectiveness, and to foreclose the 
possibility of future bans, OSHA has 
clearly defined the issues addressed by 
this section to encompass vaccination, 
face covering, and testing needed to 
protect against transmission of COVID– 
19 to employees in the workplace. To 
avoid ambiguity, OSHA has stated 
expressly that it intends this ETS to 
preempt all State and local workplace 
requirements that ‘‘relate’’ to these 
issues, except pursuant to a State Plan. 
29 U.S.C. 667(b). 
The ‘‘unavoidable implication’’ of 
section 18 is that because OSHA has 
adopted this ETS, States may no longer 
regulate these issues except with 
OSHA’s approval and the authority of a 
Federally-approved State Plan. Gade, 
505 U.S. at 99. As the Court explained, 
section 18 preempts States without 
approved plans from adopting or 
enforcing any laws that constitute, ‘‘in 
a direct, clear and substantial way 
regulation of worker health and safety’’ 
relating to an issue addressed by an 
OSHA standard. Id. at 107. 
State and local requirements that ban 
or otherwise limit workplace 
vaccination, face covering, or testing 
clearly ‘‘relate’’ to the occupational 
safety and health ‘‘issues’’ that OSHA is 
regulating in this ETS. 29 U.S.C. 667(b). 
Such bans regulate key workplace 
COVID–19 protections that are 
encompassed by this ETS ‘‘in a direct, 
clear and substantial way.’’ Gade, 505 
U.S. at 107. The direct effect of such 
bans is to prohibit employers from 
requiring employees to implement 
measures, such as vaccination 
requirements, face coverings, or testing. 
These workplace protective measures 
are covered by, and, in many 
circumstances required by, this ETS. For 
example, vaccination mandate bans 
directed at employers specifically bar 
them from requiring employee 
vaccination requirements for the 
purposes of protecting their workforce. 
Prohibitions on face covering mandates 
likewise directly prohibit individuals in 
positions of authority, including 
employers, from requiring face covering 
use. 
Although the expressly stated 
purposes for State and local 
requirements banning or limiting 
employers from requiring vaccinations, 
face coverings, or testing may not be 
occupational safety and health,81 this 
does not control their preemption under 
section 18 of the OSH Act. In assessing 
State and local requirements’ impact on 
a federal statutory scheme, courts ‘‘have 
refused to rely solely on the legislature’s 
professed purpose and have looked as 
well to the effects of the law.’’ Gade, 505 
U.S. at 105; see also, e.g., Perez v. 
Campbell, 402 U. S. 637, 651–652 (1971) 
(‘‘[A]ny state legislation which frustrates 
the full effectiveness of federal law is 
rendered invalid by the Supremacy 
Clause’’); Napier v. Atlantic Coast Line 
R. Co., 272 U.S. 605, 612 (1926) (pre- 
emption analysis does not depend on 
whether federal and State laws ‘‘are 
aimed at distinct and different evils’’ 
but whether they ‘‘operate upon the 
same object’’). 
That a State has articulated a purpose 
other than, or in addition to, workplace 
health and safety would not divest the 
OSH Act of its preemptive force, 
because preemption law looks to the 
effects as well as the purpose of a State 
law, and thus a dual-impact State law 
cannot avoid OSH Act preemption 
simply because the regulation serves 
several objectives. Gade, 505 U.S. at 107 
(holding ‘‘a law directed at workplace 
safety is not saved from pre-emption 
simply because the State can 
demonstrate some additional effect 
outside of the workplace’’ and ‘‘[t]hat 
such law may also have a 
nonoccupational impact does not render 
it any less of an occupational standard 
for purposes of pre-emption analysis’’). 
Thus, to the extent that the stated 
purpose of a requirement that bans or 
limits employers from requiring 
vaccinations, face coverings, or testing 
is something other than, or in addition 
to, occupational health, such laws, 
which have a specific and direct impact 
on worker health, are nevertheless 
preempted. 
Further, section 18 preempts even 
‘‘nonconflicting’’ State and local 
occupational safety and health 
requirements relating to the issues 
addressed by this standard. Gade, 505 
U.S. at 98–99, 103; see id. at 100 (‘‘state 
laws regulating the same issue as federal 
laws are not saved, even if they merely 
supplement the federal standard’’). This 
is because OSHA ‘‘’pre-empts the field’ 
for any nonapproved State law 
regulating the same safety and health 
issue.’’ See Gade, 505 U.S. at 104, n. 2, 
citing English v. General Electric. Co., 
496 U.S. 72, 79–80, n.5 (‘‘[F]ield 
preemption may be understood as a 
species of conflict pre-emption: A State 
law that falls within a pre-empted field 
conflicts with Congress’ intent (either 
express or plainly implied) to exclude 
state regulation’’); see also id. at 105 
(discussing effect of field preemption). 
See generally Geier, 529 U.S. at 869, 
875–886 (finding State law preemption 
where it ‘‘upset the careful regulatory 
scheme established by federal law’’); 
Williamson v. Mazda Motor of Am., Inc., 
562 U.S. 323, 330–36 (2011) (affirming 
the conflict pre-emption principle that 
‘‘a state law that stands as an obstacle 
to the accomplishment and execution of 
the full purposes and objectives of a 
federal law is pre-empted’’ and finding 
preemption where State law interfered 
with ‘‘significant objective’’ of the 
federal regulation). 
For example, the ETS would preempt 
State or local governments from 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
82 OSHA is aware that some States have adopted 
or are considering adopting such requirements, 
which this ETS would preempt (see, e.g., Arkansas 
S.B. 739, October 4, 2021 and Arkansas H.B. 1977, 
October 1, 2021, which Arkansas Governor Asa 
Hutchinson allowed to became law without his 
signature, and which require employers in Arkansas 
to allow employees to opt out of vaccination for 
purposes of complying with federal vaccination 
requirements; see also Governor Hutchinson, 
October 13, 2021; Marr, October 7, 2021 (describing 
the Arkansas legislation and noting that other states 
may contemplate similar legislation)). 
83 OSHA’s Cranes and Derricks in Construction 
rule directly discussed its expectations and intent 
regarding the preemptive effect of the rule, 
including that it was not intended to preempt 
generally applicable municipal regulations, such as 
building codes, which serve public safety purposes. 
Cranes and Derricks in Construction, 75 FR 47,906, 
48,128 (August 9, 2010). This rule also includes a 
provision that requires employers to comply with 
State crane operator licensing requirements that 
meet the federal floor for crane operator 
certification in the rule. 29 CFR 1926.1427(c)(1). 
OSHA has also indicated that its rule would not 
preempt State or local requirements in other 
rulemakings. See e.g., 72 FR 7136, 7188 (Feb. 14, 
2007) (Preamble to OSHA’s most recent electrical 
safety standard) (‘‘State and local fire and building 
codes, which are designed to protect a larger group 
of persons than employees,’’ are not preempted); 29 
CFR 1910.134(e) (requiring compliance with State 
and local laws by requiring ‘‘a licensed health care 
professional’’ to perform a medical evaluation of an 
employee’s ability to use a respirator). 
dictating that employers adopt a scheme 
of testing and face coverings that 
complies with 1910.501(g) and (i) of the 
ETS, but that bars employers from 
electing the preferred vaccine mandate 
alternative in paragraph (d), because 
this interferes with OSHA’s significant 
regulatory objectives and its preemption 
of the field.82 (See Need for the ETS 
(Section III.B. of this preamble) 
discussing that vaccination is the 
preferred compliance option under this 
rule because it is the most effective 
method of protecting workers from 
COVID–19). Likewise, the ETS would 
preempt such State or local 
occupational requirements, even to the 
extent that they may regulate employers 
with fewer than 100 employees, 
notwithstanding that the requirements 
in this ETS only apply to employers 
with more than 100 employees. 
Case law is instructive on this point. 
In Gade, the Supreme Court found 
regulations implementing a State statute 
that required training for workers 
handling hazardous waste that went 
beyond, but did not conflict with, 
OSHA’s hazardous waste training 
requirements to be preempted by the 
OSHA requirements. Id. Likewise, in 
Industrial Truck Association 
Incorporated v. Henry, the Ninth Circuit 
found that OSHA’s hazard 
communication standard preempted 
California’s Hazard Communication 
regulations that were not submitted to 
OSHA for approval through its State 
Plan, even to the extent that California’s 
Hazard Communication rule regulated 
manufacturers and distributers who 
were excluded from coverage under 
federal OSHA’s rule. Indust. Truck 
Ass’n v. Henry, 125 F.3d 1305, 1311–14 
(9th Cir. 1997). In the same way, the 
ETS preempts all State and local 
requirements that bar or limit the ability 
of an employer to require workplace 
vaccination, testing, and face coverings 
to protected employees against COVID– 
19 in any respect, since OSHA has 
occupied the entire field of regulation 
on these issues. 
OSHA’s definition of the ‘‘issue’’ in 
this rule should be afforded weight, 
since the OSH Act vests OSHA with 
standard-setting responsibility and, 
therefore, the authority to determine 
which ‘‘issues’’ to address with 
occupational safety and health 
standards. See Indust. Truck, 125 F.3d 
at 1311 (relying on OSHA’s regulation 
and statements in the preamble to 
identify the relevant ‘‘issue’’ for 
preemption purposes in OSHA’s Hazard 
Communication standard). 
Importantly, although OSHA’s stated 
intention is to preempt conflicting State 
and local requirements relating to the 
issues addressed by this standard, 
OSHA recognizes that the OSH Act does 
not allow, and OSHA does not intend, 
for the ETS to preempt non-conflicting 
State or local requirements of general 
applicability. In Gade, the Supreme 
Court qualified its ruling by saving from 
preemption non-conflicting State and 
local ‘‘laws of general applicability 
(such as laws regarding traffic safety or 
fire safety) that do not conflict with 
OSHA standards and that regulate the 
conduct of workers and nonworkers 
alike.’’ Gade, 505 U.S. at 107. The 
Majority reasoned that, ‘‘[a]lthough 
some laws of general applicability may 
have a ‘direct and substantial’ effect on 
worker safety, they cannot fairly be 
characterized as ‘occupational’ 
standards, because they regulate 
workers simply as members of the 
general public.’’ Id. 
During the pandemic, many States 
and municipal governments have 
adopted requirements intended to 
protect public health by helping to 
prevent the spread of COVID–19 in 
public spaces. These have included 
requirements mandating face coverings 
in indoor public spaces, including 
businesses, government buildings, and 
schools (see, e.g., Baltimore City Health 
Department, August 10, 2021; Illinois 
Executive Order 2021–20, August 26, 
2021; Hawai’i Emergency Proclamation, 
October 1, 2021). In addition, in recent 
months, some States and municipal 
governments have adopted requirements 
mandating that members of the public 
provide proof of vaccination or recent 
COVID–19 testing in order to enter 
restaurants, bars, or other businesses or 
public spaces (see, e.g., NYC Emergency 
Executive Order 225, August 16, 2021 
(mandating COVID–19 vaccination for 
most individuals for indoor 
entertainment, recreation, dining and 
fitness settings)). Requirements such as 
these apply to ‘‘workers and nonworkers 
alike’’ and ‘‘regulate workers simply as 
member of the general public’’ and are 
accordingly not preempted. Gade, 505 
U.S.at 107. 
Based on OSHA’s observations and 
experience during the past year and a 
half that the pandemic has been 
ongoing, OSHA is confident that 
protective State and local regulations of 
general applicability that mandate face 
coverings or vaccination will 
complement, rather than interfere with 
OSHA’s enforcement of the ETS, and 
also does not intend to preempt such 
requirements. Indeed, OSHA believes 
that such measures have significantly 
reduced the harmful effects of the 
pandemic and total fatalities. See Steel 
Institute of NY v. The City of NY, 716 
F.3d 31, 38 (affording some weight to 
OSHA’s view that municipal regulations 
governing construction cranes did not 
interfere with OSHA’s regulatory 
scheme in its crane standards and 
ultimately adopted OSHA’s view in 
finding these municipal regulations 
were not preempted by OSHA crane 
standards).83 
In Steel Institute, the Second Circuit 
held that OSHA’s crane regulations did 
not preempt New York City municipal 
regulations governing construction 
cranes, finding that such regulations 
were requirements of general 
applicability, notwithstanding their 
direct bearing on worker safety, because 
their primary purpose and effect was to 
preserve the safety of the general public, 
and they regulated workers and 
nonworkers alike. Id. The Steel Institute 
court noted the ‘‘strong presumption 
against preemption when states and 
localities ‘‘exercise[ ] their police 
powers to protect the health and safety 
of their citizens.’’ Id. at 36, citing 
Medtronic, Inc. v. Lohr, 518 U.S. 470, 
475 (1996). The Second Circuit was also 
influenced by the clear danger 
presented to the public by unsafe crane 
operation. This is analogous to the 
situation here, because exposure to 
COVID–19 is a hazard that directly 
impacts everyone. Thus, generally 
applicable State and local mandates 
requiring face coverings or vaccination 
should not be preempted and should 
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84 In addition, some State and local governments 
have adopted vaccination mandates directed at 
State and/or local government employees. The OSH 
Act and OSHA’s standards would not preempt such 
requirements since State or local government 
employers and employees are exempt from OSHA 
coverage under the OSH Act. 29 U.S.C. 652 (5) 
(defining employer to exclude ‘‘any State or 
political subdivision of a State’’). However, many 
State and local government employers in States 
with OSHA-approved State Plans will be covered 
by State occupational safety and health 
requirements, and State Plans must adopt 
requirements for State and local government 
employers, as well as covered private sector 
employers, that are at least as effective as federal 
OSHA’s requirements; State Plans may also choose 
to adopt more protective occupational safety and 
health requirements. 29 U.S.C. 667(c). 
85 As previously discussed, bans on mandating 
vaccinations or face coverings have not typically 
been generally applicable, but even the least 
workplace-specific, most generally applied bans 
will not survive preemption because they directly 
interfere with the ETS’s regulatory scheme. 
86 For example, Arizona has an OSHA-approved 
State Plan, but its vaccination ban, which is not part 
of its State Plan, is preempted by this ETS (see AZ 
Executive Order 2021–18, Aug. 16, 2021). 
remain in effect, notwithstanding this 
ETS.84 
On the other hand, as noted above, 
this standard will preempt requirements 
that conflict with it, regardless of 
whether the requirements are part of a 
law of general applicability.85 
The effect of the ETS on State law 
requirements in State Plan States works 
somewhat differently. As previously 
noted, under section 18 of the OSH Act 
States that wish to assume 
responsibility for the development and 
enforcement of ‘‘occupational safety and 
health standards relating to any 
occupational safety or health issue with 
respect to which a Federal standard has 
been promulgated’’ may submit a State 
Plan to OSHA for approval. Id. section 
667(b); see also id. section 667(c) 
(describing requirements for OSHA 
approval of State Plans on issues for 
which OSHA has adopted standards). 
There are 22 States and territories that 
have OSHA-approved State Plans for 
private employers, and 6 additional 
States and territories that have OSHA- 
approved State Plans for public 
employers only. 
Under section 18(c)(2) of the OSH 
Act, State Plans are required to adopt 
and enforce occupational safety and 
health standards that are at least as 
effective as federal OSHA’s 
requirements. Id. section 667(c)(2). In 
addition, the OSH Act requires that 
State Plans must cover State and local 
government employees (including, e.g., 
State and local school systems within 
the scope of this rule), even though 
federal OSHA does not have coverage 
over such employees in States without 
OSHA-approved State Plans. 
Once OSHA promulgates an ETS, 
OSHA’s regulations provide that those 
States have ‘‘30 days after the date of 
promulgation of the Federal standard to 
adopt a State emergency temporary 
standard,’’ or to demonstrate ‘‘that 
promulgation of an emergency 
temporary standard is not necessary 
because the State standard is already the 
same or at least as effective as the 
Federal standard change.’’ 29 CFR 
1953.5(b)(1). The new ETS becomes part 
of the OSHA-approved State Plan 
through the State Plan’s submission to 
OSHA documentation showing it 
adopted an identical ETS or a ‘‘Plan 
Change Supplement’’ showing that it 
has adopted requirements that are ‘‘at 
least as effective’’ as federal OSHA’s 
ETS. 29 CFR 1953.5(b)(3); 1953.4. 
Even in States with OSHA-approved 
State Plans, any State law relating to an 
occupational safety and health issue 
that OSHA regulates is preempted 
unless it is submitted for OSHA’s 
approval as a supplement to the State 
Plan. Indust. Truck Ass’n, 125 F.3d at 
1311 (‘‘If a State wishes to regulate an 
issue of worker safety for which a 
federal standard is in effect, its only 
option is to obtain the prior approval of 
the Secretary of Labor . . . [and] [i]t 
would make the state plan approval 
requirement superfluous if a state could 
pick and choose which occupational 
health and safety regulations to submit 
to OSHA’’). Thus, a State or local 
requirement banning or limiting 
employer vaccine mandates would 
similarly be preempted because it has 
not been approved by federal OSHA as 
part of the State Plan. And, indeed, it 
could not be approved by federal OSHA, 
because such bans or limitations 
undercut the ETS’s requirements and 
are clearly not as effective as the federal 
ETS. See 29 U.S.C. 667(c)(2).86 
Finally, this provision includes a note 
that this section establishes minimum 
requirements for employers, that 
nothing in this section prevents 
employers from agreeing with their 
employees to implement additional 
measures, and that this section does not 
supplant collective bargaining 
agreements or other collectively 
negotiated agreements in effect that may 
have negotiated terms that exceed the 
requirements herein. It also references 
the National Labor Relations Act of 
1935, which protects most private-sector 
employees’ right to take collective 
action. The purpose of this note is to 
remind employers and employees that 
OSHA’s ETS establishes a floor for 
protections, and that it does not 
preclude bargaining for additional 
protective measures. For example, 
employers might agree to cover the costs 
of face coverings or medical removal, or 
to a requirement that all employees, 
regardless of vaccination status, wear 
face coverings while working indoors. 
References 
An Act Prohibiting Discrimination Based on 
a Person’s Vaccination Status or 
Possession of an Immunity Passport; 
Montana H.B. 702. (2021, July 1). https:// 
leg.mt.gov/bills/2021/billpdf/ 
HB0702.pdf. (Montana H.B. 702, July 1, 
2021) 
Arizona Executive Order 2021–18. (2021, 
August 16). https://azgovernor.gov/sites/ 
default/files/eo_2021–18.pdf. (AZ 
Executive Order 2021–18, August 16, 
2021) 
Arkansas H.B. 1977. (2021, October 1). To 
Provide Employee Exemptions From 
Federal Mandates and Employer 
Mandates Related to Coronavirus 2019 
(COVID–19); and to Declare an 
Emergency. https://
www.arkleg.state.ar.us/Bills/ 
FTPDocument?path=%
2FAMEND%2F2021R%2FPublic%
2FHB1977–H1.pdf. (Arkansas H.B. 1977, 
October 1, 2021) 
Arkansas S.B. 739. (2021, October 4). An Act 
Concerning Employment Issues Related 
to Coronavirus 2019 (COVID–19); To 
Provide Employee Exemptions From 
Federal Mandates and Employer 
Mandates Related to Coronavirus 2019 
(COVID–19); To Declare and Emergency; 
and For Other Purposes. https://
www.arkleg.state.ar.us/Bills/ 
FTPDocument?path=%
2FBills%2F2021R%
2FPublic%2FSB739.pdf. (Arkansas S.B. 
739, October 4, 2021) 
Arkansas Governor Asa Hutchinson. (2021, 
October 13). Press Release: Governor 
Hutchinson Allows Vaccine Mandate, 
Redistricting Bills to Become Law 
Without His Signature. https://governor.
arkansas.gov/news-media/press- 
releases/governor-hutchinson-allows- 
vaccine-mandate-redistricting-bills-to- 
become-la. (Governor Hutchinson, 
October 13, 2021) 
Baltimore City Health Department. (2021, 
August 10). Health Commissioner 
Updated Directive and Order for Face 
Coverings. https://www.baltimore
city.gov/sites/default/files/HEALTH%20
COMMISSIONER%
20AUGUST%2010,%202021%
20DIRECTIVE%20AND%
20ORDER%20FOR%
20FACE%20COVERINGS_FINAL.pdf. 
(Baltimore City Health Department, 
August 10, 2021) 
Emergency Executive Order 225. (2021, 
August 16). Key to NYC: Requiring 
COVID–19 Vaccination for Indoor 
Entertainment, Recreation, Dining and 
Fitness Settings. https://www1.nyc.gov/ 
office-of-the-mayor/news/225–001/ 
emergency-executive-order-225. (NYC 
Emergency Executive Order 225, August 
16, 2021) 
Florida Executive Order 21–102. (2021, May 
3). https://www.flgov.com/wp-content/ 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
87 If OSHA receives information suggesting that a 
broader scope would be appropriate, the agency 
could expand the scope of the ETS quickly through 
a supplemental action. Fla. Peach Growers Ass’n, 
Inc. v. U. S. Dep’t of Labor, 489 F.2d 120, 127 (5th 
Cir. 1974) (‘‘It is inconceivable that Congress, 
having granted the Secretary the authority to react 
quickly in fast-breaking emergency situations, 
intended to limit his ability to react to 
developments subsequent to his initial response.’’) 
uploads/orders/2021/EO_21–102.pdf. 
(Florida Executive Order 21–102, May 3, 
2021) 
Hawai’i Emergency Proclamation Related to 
the State’s COVID–19 Delta Response. 
(2021, October 1). https://governor.
hawaii.gov/wp-content/uploads/2021/ 
10/2109152–ATG_Emergency- 
Proclamation-Related-to-the-States-
COVID–19-Delta-Response-distribution-
signed.pdf. (Hawai’i Emergency 
Proclamation, October 1, 2021) 
Illinois Executive Order 2021–20. (2021, 
August 26). https://www.illinois.gov/ 
government/executive-orders/executive- 
order.executive-order-number- 
20.2021.html. (Illinois Executive Order 
2021–20, August 26, 2021) 
Marr C. (2021, October 7). Workplace 
Vaccine Exemption Bills Sent to 
Arkansas Governor. Bloomberg Law. 
https://news.bloomberglaw.com/daily- 
labor-report/workplace-vaccine-
exemption-bills-sent-to-arkansas-
governor. (Marr, October 7, 2021) 
Texas Executive Order GA–34. (2021, March 
2). Executive Order No. GA–34 relating 
to the opening of Texas in response to 
the COVID–19 disaster. https://
open.texas.gov/uploads/files/ 
organization/opentexas/E.O.-GA–34- 
opening-Texas-response-to-COVID- 
disaster-IMAGE–03–02–2021.pdf. (Texas 
Executive Order GA–34, March 2, 2021) 
Texas Executive Order GA–36. (2021, May 
18). Executive Order No. GA–36 relating 
to the prohibition of governmental 
entities and officials from mandating 
face coverings or restricting activities in 
response to the COVID–19 disaster. 
https://gov.texas.gov/uploads/files/ 
press/E.O.-GA–36_prohibition_on_
mandating_face_coverings_response_to_
COVID–19_disaster_IMAGE_05–18– 
2021.pdf. (Texas Executive Order GA– 
36, May 18, 2021) 
Texas Executive Order GA–40. (2021, 
October 11). Executive Order No. GA–40 
relating to prohibiting vaccine mandates, 
subject to legislative action. https://
gov.texas.gov/uploads/files/press/E.O.- 
GA–40_prohibiting_vaccine_mandates_
legislative_action_IMAGE_10–11– 
2021.pdf. (Texas Executive Order GA– 
40, October 11, 2021) 
B. Scope and Application 
Paragraph (b)(1) of this ETS provides 
that the ETS applies to all employers 
that have a total of at least 100 
employees at any time the ETS is in 
effect. OSHA has determined that the 
unvaccinated employees of these 
employers face a grave danger of 
exposure to SARS–CoV–2, including the 
Delta variant, while they are at work 
(see Grave Danger, Section III.A. of this 
preamble). Because this grave danger 
finding applies to all unvaccinated 
employees who come into contact with 
other people in indoor work settings as 
part of their employment, this ETS is 
not limited by industrial sector or 
NAICS code. Therefore, this standard 
generally covers employers in all 
workplaces that are under OSHA’s 
authority and jurisdiction, including 
industries as diverse as manufacturing, 
retail, delivery services, warehouses, 
meatpacking, agriculture, construction, 
logging, maritime, and healthcare. 
I. Decision To Limit Coverage of This 
ETS to Employers With 100 or More 
Employees 
This ETS applies to employers with a 
total of 100 or more employees at any 
time the standard is in effect. In light of 
the unique occupational safety and 
health dangers presented by COVID–19, 
and against the backdrop of the 
uncertain economic environment of a 
pandemic, OSHA established this 
coverage threshold for four reasons. 
First, OSHA is confident that employers 
with 100 or more employees will be able 
to meet the standard’s requirements 
promptly, as the emergency addressed 
by the standard necessitates. OSHA is 
less confident that smaller employers 
can do so without undue disruption. 
Second, this coverage threshold will 
enable the standard to reach two-thirds 
of all private-sector workers in the 
nation, providing them with prompt 
protection. Third, the standard will 
reach the largest facilities, where the 
most deadly outbreaks of COVID–19 can 
occur. Fourth, the 100-employee 
threshold in this standard is comparable 
with the size thresholds established by 
congressional and agency decisions in 
analogous contexts. 
a. Challenges to Feasibility Analysis for 
Small Businesses 
An OSHA standard, including an 
ETS, must be both economically and 
technologically feasible. A standard is 
economically feasible under the OSH 
Act if it neither threatens ‘‘massive 
dislocation to’’ nor upsets the 
‘‘competitive stability of’’ the regulated 
industries. United Steelworkers of Am., 
AFL–CIO–CLC v. Marshall, 647 F.2d 
1189, 1265 (D.C. Cir. 1980). 
Technological feasibility has been 
interpreted broadly to mean ‘‘capable of 
being done’’ Am. Textile Mfrs. Inst. v. 
Donovan, 452 U.S. 490, 509–510 (1981). 
As shown in Economic Analysis, 
Section IV.B. of this preamble, OSHA is 
confident that this standard is feasible 
for employers with 100 or more 
employees. OSHA is not at this time 
making any determination about 
whether it would be appropriate to 
extend the ETS to cover smaller 
employers. Put simply, the agency is 
requiring that employers it is confident 
can implement the provisions of the 
standard without delay do so. At the 
same time, the agency is soliciting 
public comment and seeking additional 
information to assess the ability of 
smaller employers to do so in the 
rulemaking commenced by this ETS. 
OSHA will determine the issue on the 
basis of the record, after receiving 
public comment.87 The SARS–CoV–2 
virus continues to spread rapidly, and 
each day that passes, tens of thousands 
more people are infected. The 
employees of larger firms should not 
have to wait for the protections of this 
standard while OSHA takes the 
additional time necessary to assess the 
feasibility of the standard for smaller 
employers. 
The pandemic has presented special 
challenges for small businesses. 
According to a survey conducted during 
its early stages, 66% of businesses with 
fewer than 100 employees had suffered 
revenues losses exceeding 30%. (SHRM, 
May 6, 2020a). By contrast, only 27% of 
larger businesses with more than 100 
employees had seen revenue drops of 
more than 30% (SHRM, May 6, 2020b). 
More recently, 61% of the members of 
the National Federation of Independent 
Businesses, mostly very small 
businesses, responded to a survey 
reported that they were experiencing 
staff shortages, with half of that group 
reporting a moderate to significant loss 
of sales because of unfilled positions 
(NFIB, July 12, 2021). 
The requirements of the ETS could 
have a differential impact on small 
businesses compared with larger firms. 
Many small businesses lack separate 
human resources departments and 
struggle to carry out HR functions. A 
study found that some 70% of small 
businesses (with 5 to 49 employees) 
handle HR tasks in an ad hoc way. 
(ADP, December 2016). Only 23% of ad 
hoc managers believed they had the 
tools and resources necessary to perform 
HR tasks well, and only 19% were fully 
confident in their ability to handle HR 
tasks without making mistakes (ADP, 
December 2016). Another survey found 
that HR functions are proportionally far 
more expensive for smaller firms than 
for larger (small firms defined as up to 
250 workers) (SHRM, 2015). The ETS 
requires employers to establish new 
systems to track vaccination status 
among workers, to keep related records, 
and for firms that allow the testing 
option, to keep records of each test. 
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88 See, e.g., Oregon Health Authority, October 6, 
2021, (publishing data on outbreaks in large 
workplaces including two Amazon facilities, 
several hospitals, and a Walmart distribution 
center); CDPHE, Oct. 6, 2021, (identifying an active 
Covid outbreak in Cargill’s Fort Morgan, CO meat 
processing plant, which employs more than 2,000 
workers). While some have speculated that clusters 
of infections among employees at the same facility 
might result initially from shared exposures outside 
of work, the original source of the infection would 
have little bearing on the statistical probability of 
exposure and transmission once the infected people 
are together in the workplace with unvaccinated co- 
workers. The most effective way to prevent further 
transmission is to protect the other workers through 
vaccination or, when that is not possible, identify 
and remove the infected workers from the 
workplace as quickly as possible. 
These records must be treated as 
confidential medical records subject to 
detailed regulations, which is not 
something most smaller employers 
typically need to do or have existing 
systems in place to address. 29 CFR 
1910.1020. While OSHA has imposed 
similar requirements on smaller 
employers before, it has typically done 
so in highly regulated industries, such 
as healthcare, or in industries involving 
complicated industrial processes, which 
already require a certain degree of 
administrative capacity even when not 
responding to a grave danger, through a 
rulemaking process that provides 
additional time for notice and 
implementation, and when there is 
more time to assess the impact that the 
standard would have on small business. 
This emergency standard by contrast 
applies across the board to all 
industries, including less regulated 
retail and service sectors. 
Moreover, OSHA estimates that some 
5% of employees may have a medical 
contraindication or request an 
accommodation from the rule’s 
requirements for disability or sincerely 
held religious belief reasons. (Please see 
Economic Analysis, Section IV.B. of this 
preamble). Assessing these requests may 
require more resources for smaller firms 
with less experience in this area, 
particularly if they lack HR staff. By the 
same token, a delay in applying the ETS 
to businesses with fewer than 100 
employees would allow those 
businesses the benefit of learning from 
the models established by larger 
businesses with respect to 
accommodations. Similarly, 
implementing the ETS’s testing 
provisions in a stepwise fashion will 
allow OSHA the time necessary to 
assess any impact the new requirements 
may have on the testing infrastructure 
and related supply chains before 
considering extending those 
requirements to additional employers. 
b. The ETS Provides Prompt Protection 
for Most of America’s Workforce 
The 100 employee threshold means 
the ETS will reach two-thirds of the 
nation’s private sector workforce, 
providing protection to millions of 
workers while issues regarding smaller 
firms are reviewed. OSHA considered 
that a 100 employee threshold was 
superior to a 150 employee threshold in 
this respect, because it would protect 
more employees: 67% rather than 63%, 
which is a difference of 4.856 million 
workers. (U.S. Census Bureau, May 
2021). And while a 50 employee 
threshold would have covered more 
employees (78%), it would have 
required additional feasibility analysis, 
while still leaving many employees 
outside the standard. (U.S. Census 
Bureau, May 2021). 
c. The ETS Will Help Prevent Large 
Outbreaks of COVID–19 
The ETS’s focus on employers with 
more than 100 employees will also help 
prevent large-scale outbreaks. As 
addressed in more detail in the 
discussion of Grave Danger (Section 
III.A. of this preamble), all unvaccinated 
employees who work in indoor settings 
face a grave danger from COVID–19, 
which is why the scope of the ETS is 
not limited to worksites of a specific 
size. The standard is based on employer 
size primarily because administrative 
capacity is more closely related to 
employer size. In addition, employer 
size provides a clear measure that is 
easy for employers (and OSHA) to track, 
as opposed to an alternative such as a 
workplace-based approach, which could 
fluctuate from day to day and mean 
more places and information for the 
employer to track. But OSHA also chose 
the 100 employee size threshold in 
recognition of the fact that larger 
employers are more likely to have many 
employees gathered in the same 
location. For employers with 100 or 
more employees, the median number of 
employees at any one location is 
approximately 50 (the average is also 
50). (U.S. Census Bureau, May 2021). 
For employers with fewer than 100 
employees, the median number of any 
one location is approximately 2 (with an 
average number of 7) (U.S. Census 
Bureau, May 2021). 
Employees at larger locations are 
statistically more likely to be exposed to 
someone with COVID–19 during the 
course of their shifts, and thus face a 
heightened risk of virus transmission. 
Studies indicate that introduction of 
infection and the risk of infection 
transmission is increased with the size 
of a gathering (Champredon et al., April, 
2021), and with larger populations 
(Shacham et al., July 5, 2021). See also 
(Contreras et al., July, 2021) (concluding 
that outbreaks were larger and lasted 
longer at facilities with more onsite 
staff). It is therefore not surprising that 
significant COVID–19 outbreaks have 
occurred at large facilities of employers 
with 100 or more employees 88 (Oregon 
Health Authority, October 6, 2021; 
CDPHE, October 6, 2021). A study of 
outbreaks in Los Angeles County found 
that the median number of employees in 
an establishment in which an outbreak 
occurred was 95, well above the 50 
employee median for locations of 
employers covered by this rule, 
indicating that the rule will protect 
employees in the places where 
outbreaks are most likely to occur. 
(Contreras et al., July, 2021). And those 
outbreaks occurred even before the 
emergence of the SARS–CoV–2 Delta 
variant, which the CDC says ‘‘causes 
more infections and spreads faster than 
early forms of SARS–CoV–2.’’ (CDC, 
August 26, 2021) In fact, the studies 
noted earlier in this paragraph were 
published just as the Delta variant was 
emerging, meaning that the risk of 
transmission cited in those studies has 
likely increased. 
While virus transmission is certainly 
not limited to large facilities, the 
potential scope of an outbreak is 
inherently more limited when fewer 
employees are present. In limiting the 
scope of the ETS to employers with 100 
or more employees, OSHA is 
prioritizing coverage of those businesses 
in which the spread of the virus could 
potentially affect the largest number of 
employees and for which the agency is 
most confident that it is feasible to 
apply the standard. 
d. Analogous Regulatory Regimes Use 
Comparable Employee Size Thresholds 
Congress and federal agencies have 
frequently recognized that an employee 
size threshold may be appropriate in 
different regulatory contexts. They have 
not settled on any one number as the 
most appropriate, presumably because 
that depends on balancing different 
considerations that are relevant to the 
particular context, as OSHA has done 
here. But several analogous regulatory 
regimes use employee size thresholds 
comparable to the one selected here, in 
light of similar concerns about 
administrative feasibility. 
For example, the EEOC has issued 
regulations requiring employers with 
100 or more employees to submit 
annual reports related to equal 
employment opportunity in their 
workforce, in recognition that larger 
employers are better equipped to absorb 
the types of administrative burdens 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
imposed by surveying, tracking and 
recordkeeping requirements. See 42 
U.S.C. 2000e–8(c), 29 CFR 1602.7–.14 
and 41 CFR 60–1.7(a). In earlier 
measures adopted in response to the 
COVID–19 pandemic, Congress adopted 
special protections and exemptions 
based on employee counts. The Families 
First Coronavirus Response Act, Public 
Law 116–127 (2020), sections 7001 and 
7003 provided tax credits to businesses 
with fewer than 500 employees to assist 
compliance with the Act’s expansion of 
paid sick and family leave, in 
recognition of the challenges facing 
smaller employers. Congress again 
relied on the same 500 employee 
threshold when it later extended tax 
credits only to employers who granted 
employees paid time off to be 
vaccinated, implicitly acknowledging 
the financial obstacles that can exist for 
smaller employers for the same activity 
that this ETS promotes (and without the 
vaccine policy and verification 
requirement in this ETS). American 
Rescue Plan Act, Public Law 117–2, Sec. 
9641 (2021). 
In the Affordable Care Act, Congress 
set the maximum size of a ‘‘small 
employer’’ at 100 employees for 
purposes of allowing greater flexibility 
to these employers. 42 U.S.C.A. 
18024(b)(3). Likewise, private 
employers with fewer than 50 
employees are exempt from complying 
with the Family and Medical Leave Act, 
in recognition of smaller employers’ 
decreased administrative capacity, as 
well as their inability to easily 
accommodate employee absences. 29 
U.S.C.A. 2611(2)(b)(2). 
e. The 100 Employee Coverage 
Provision Is a Reasonable Exercise of the 
Secretary’s Authority 
OSHA’s choice of a 100 employee 
threshold is based on balancing the 
fundamentally incommensurable 
considerations described above. Under 
the statute OSHA ‘‘shall’’ issue an ETS 
when employees are exposed to grave 
danger, and is not to follow normal 
notice and comment procedures to build 
a record. 29 U.S.C. 655(e). But OSHA 
may not issue an ETS unless it shows 
that the rule is feasible for the 
employers covered, and it has not yet 
made a feasibility determination for 
smaller employers. In the circumstances 
of this case, OSHA considered that an 
ETS was urgently needed to protect 
employees, that a 100 employee 
threshold would protect the great 
majority of them and prevent the largest 
outbreaks, that it would avoid the 
delays that would be needed if the 
agency were required to gather 
information and analyze feasibility for 
smaller employers, and that a 
comparable size threshold has been 
found appropriate in similar contexts. 
Where employees are dying every day, 
it is not unreasonable for the agency to 
prioritize doing what it can to address 
the problem quickly, regardless of 
whether there are further actions it 
might be able to take later. 
Doing so implements the statutory 
delegation of authority to the agency to 
establish priorities for issuing standards 
by giving ‘‘due regard to the urgency of 
the need’’ for standards for particular 
workplaces. 29 U.S.C. 655(g). The courts 
have recognized that this provision 
authorizes the Secretary to make 
reasonable decisions limiting the scope 
of a standard, particularly where as here 
the agency has said it will address the 
reserved issue in subsequent 
rulemaking. Forging Indus. Assoc. v. 
Donovan, 773 F.2d 1436, 1454 (4th Cir. 
1985) (hearing conservation standard); 
United Steelworkers of Am. v. Marshall, 
647 F.2d 1189, 1309–1310 (D.C. Cir. 
1980) (lead standard). 
Where competing considerations are 
in play and there is no clear perfect 
choice, OSHA has a degree of discretion 
to draw a reasonable line. Courts have 
consistently recognized that agencies 
have discretion to draw reasonable 
lines. As the D.C. Circuit has explained: 
An agency has ‘‘wide discretion’’ in 
making line-drawing decisions and 
‘‘[t]he relevant question is whether the 
agency’s numbers are within a zone of 
reasonableness, not whether its numbers 
are precisely right.’’ WorldCom, Inc. v. 
FCC, 238 F.3d 449, 462 (D.C. Cir. 2001) 
(quotation marks omitted). An agency 
‘‘is not required to identify the optimal 
threshold with pinpoint precision. It is 
only required to identify the standard 
and explain its relationship to the 
underlying regulatory concerns.’’ Id. at 
461–62. Nat’l Shooting Sports Found. v. 
Jones, 716 F.3d. 200, 214–215 (D.C. Cir 
2013). See also Providence Yakima Med. 
Ctr. v. Sebelius, 611 F.3d 1181, 1190– 
1191 (9th Cir. 2010). 
For the reasons discussed above, the 
balance the agency struck here falls well 
within this zone of reasonableness. 
II. Explanation of Who Is Included in 
the 100-Employee Threshold 
The applicability of this ETS is based 
on the size of an employer, in terms of 
number of employees, rather than on the 
type or number of workplaces. In 
determining the number of employees, 
employers must include all employees 
across all of their U.S. locations, 
regardless of employees’ vaccination 
status or where they perform their work. 
Part-time employees do count towards 
the company total, but independent 
contractors do not. As discussed above, 
OSHA has not found that the standard 
is feasible for firms with fewer than 100 
employees, because it needs additional 
time to assess the impact of the standard 
on these employers, particularly as 
many smaller firms lack separate human 
resources departments and may face 
additional challenges when carrying out 
human resources functions. In contrast, 
OSHA has determined that the standard 
is feasible for firms with 100 or more 
employees, regardless of where those 
employees report to work. These firms 
generally have greater administrative 
capacities, and including all such 
employers in the scope of this ETS 
ensures that OSHA can cover two-thirds 
of all workers in the private sector as 
quickly as possible. 
For a single corporate entity with 
multiple locations, all employees at all 
locations are counted for purposes of 
the 100-employee threshold for coverage 
under this ETS. In a traditional 
franchisor-franchisee relationship in 
which each franchise location is 
independently owned and operated, the 
franchisor and franchisees would be 
separate entities for coverage purposes, 
such that the franchisor would only 
count ‘‘corporate’’ employees, and each 
franchisee would only count employees 
of that individual franchise. In other 
situations, two or more related entities 
may be regarded as a single employer 
for OSH Act purposes if they handle 
safety matters as one company, in which 
case the employees of all entities 
making up the integrated single 
employer must be counted. 
In scenarios in which employees of a 
staffing agency are placed at a host 
employer location, only the staffing 
agency would count these jointly 
employed workers for purposes of the 
100-employee threshold for coverage 
under this ETS. Although the staffing 
agency and the host employer would 
normally share responsibility for these 
workers under the OSH Act, this ETS 
raises unique concerns in that OSHA 
has set the threshold for coverage based 
primarily on administrative capacity for 
purposes of protecting workers as 
quickly as possible, as discussed above, 
and the staffing agency would typically 
handle administrative matters for these 
workers. Thus, for purposes of the 100- 
employee threshold, only the staffing 
agency would count the jointly 
employed employees. The host 
employer, however, would still be 
covered by this ETS if it has 100 or more 
employees in addition to the employees 
of the staffing agency. For enforcement 
purposes, traditional joint employer 
principles would apply where both 
employers are covered by the ETS, as 
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89 Note that, in addition to the scope exceptions 
contained in the ETS itself, which are discussed in 
this section, there may be situations where the ETS 
does not apply by operation of the OSH Act. For 
example, the OSH Act does not apply to working 
conditions of employees with respect to which 
other Federal agencies have exercised their 
statutory authority to prescribe or enforce standards 
or regulations affecting occupational safety or 
health (see 29 U.S.C. 653(b)(1)). Moreover, the ETS 
does not apply where states with OSHA-approved 
occupational safety and health programs (‘‘State 
Plans’’) have coverage (see 29 U.S.C. 667). State 
Plans must adopt and enforce COVID–19 
requirements that are at least as effective as this 
ETS. Finally, the ETS does not apply to state and 
local government employers in states without State 
Plans (see 29 U.S.C. 652(5)). 
illustrated further by the examples 
below. See also https://www.osha.gov/ 
temporaryworkers/. 
On a typical multi-employer worksite 
such as a construction site, each 
company represented—the host 
employer, the general contractor, and 
each subcontractor—would only need to 
count its own employees, and the host 
employer and general contractor would 
not need to count the total number of 
workers at each site. That said, each 
employer must count the total number 
of workers it employs regardless of 
where they report for work on a 
particular day. Thus, for example, if a 
general contractor has more than 100 
employees spread out over multiple 
construction sites, that employer is 
covered under this ETS even if it does 
not have 100 or more employees present 
at any one worksite. Covering the 
employees of larger employers at multi- 
employer worksites would mitigate the 
spread of COVID–19 at the workplace 
even where not all employees are 
covered by this ETS because fully 
vaccinated employees (or unvaccinated 
employees wearing face coverings and 
submitting to weekly testing) would be 
less likely to spread the virus to 
unvaccinated workers at the site who 
are not covered by this ETS. 
The determination as to whether a 
particular employer is covered by the 
standard should be made separately 
from whether individual employees are 
covered by the standard’s requirements, 
as described by paragraph (b)(3) (e.g., 
some employers may be covered but 
have no duties with respect to some of 
their employees under this standard). 
Some additional examples include: 
• If an employer has 75 part-time 
employees and 25 full-time employees, 
the employer would be within the scope 
of this ETS because it has 100 
employees. 
• If an employer has 150 employees, 
100 of whom work from their homes 
full-time and 50 of whom work in the 
office at least part of the time, the 
employer would be within the scope of 
this ETS because it has more than 100 
employees. 
• If an employer has 102 employees 
and only 3 ever report to an office 
location, that employer would be 
covered. 
• If an employer has 150 employees, 
and 100 of them perform maintenance 
work in customers’ homes, primarily 
working from their company vehicles 
(i.e., mobile workplaces), and rarely or 
never report to the main office, that 
employer would also fall within the 
scope. 
• If an employer has 200 employees, 
all of whom are vaccinated, that 
employer would be covered. 
• If an employer has 125 employees, 
and 115 of them work exclusively 
outdoors, that employer would be 
covered. 
• If a single corporation has 50 small 
locations (e.g., kiosks, concession 
stands) with at least 100 total employees 
in its combined locations, that employer 
would be covered even if some of the 
locations have no more than one or two 
employees assigned to work there. 
• If a host employer has 80 
permanent employees and 30 temporary 
employees supplied by a staffing 
agency, the host employer would not 
count the staffing agency employees for 
coverage purposes and therefore would 
not be covered. (So long as the staffing 
agency has at least 100 employees, 
however, the staffing agency would be 
responsible for ensuring compliance 
with the ETS for the jointly employed 
workers.) 
• If a host employer has 110 
permanent employees and 10 temporary 
employees from a small staffing agency 
(with fewer than 100 employees of its 
own), the host employer is covered 
under this ETS and the staffing agency 
is not. 
• If a host employer has 110 
permanent employees and 10 employees 
from a large staffing agency (with more 
than 100 employees of its own), both the 
host employer and the staffing agency 
are covered under this standard, and 
traditional joint employer principles 
apply. 
• Generally, in a traditional 
franchisor-franchisee relationship, if the 
franchisor has more than 100 employees 
but each individual franchisee has fewer 
than 100 employees, the franchisor 
would be covered by this ETS but the 
individual franchises would not be 
covered. 
As explained earlier, part of OSHA’s 
rationale in adopting the 100-employee 
threshold is to focus the ETS on 
companies that OSHA is confident will 
have sufficient administrative systems 
in place to comply quickly with the 
ETS. Thus, the ETS applies to all 
employers who have the requisite 
number of employees at any time this 
ETS is in effect. Along with employers 
that always have more than 100 
employees, OSHA intends to cover 
employers that fluctuate above and 
below the 100-employee threshold 
during the term of the ETS because 
those employers will typically have 
already developed systems and 
capabilities for compliance; a decrease 
in the number of employees is therefore 
unlikely to make them less capable of 
compliance. 
The determination of whether an 
employer falls within the scope of this 
ETS based on number of employees 
should initially be made as of the 
effective date of the standard, as set out 
in paragraph (m)(1). If the employer has 
100 or more employees on the effective 
date, this ETS applies for the duration 
of the standard. If the employer has 
fewer than 100 employees on the 
effective date of the standard, the 
standard would not apply to that 
employer as of the effective date. 
However, if that same employer 
subsequently hires more workers and 
hits the 100-employee threshold for 
coverage, the employer would then be 
expected to come into compliance with 
the standard’s requirements. Once an 
employer has come within the scope of 
the ETS, the standard continues to 
apply for the remainder of the time the 
standard is in effect, regardless of 
fluctuations in the size of the 
employer’s workforce. For example, an 
employer that has 103 employees on the 
effective date of the standard, but then 
loses four within the next month, would 
continue to be covered by the ETS. 
OSHA is confident that employers with 
100 or more employees at any point 
while this ETS is in effect have the 
administrative capacity to comply with 
the ETS, even if the number of 
employees fluctuates somewhat above 
and below 100. 
Paragraph (b)(2) of this ETS sets forth 
two exemptions to the standard.89 
Under paragraph (b)(2)(i), this ETS does 
not apply to workplaces covered by the 
Safer Federal Workforce Task Force 
COVID–19 Workplace Safety: Guidance 
for Federal Contractors and 
Subcontractors (see Safer Federal 
Workforce Task Force, September 24, 
2021). With limited exceptions, such as 
where a medical contraindication, 
disability, or sincerely held religious 
belief would prevent an employee from 
complying with certain provisions, 
those guidelines require covered 
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contractors to ensure that all covered 
contractor employees (1) are fully 
vaccinated by December 8, 2021; (2) 
follow CDC guidelines for masks and 
physical distancing, including masking 
and distancing requirements based on 
the employee’s vaccination status and 
the level of community transmission of 
COVID–19 where the workplace is 
located; and (3) designate a person to 
coordinate COVID–19 workplace safety 
efforts at covered workplaces. Because 
covered contractor employees are 
already covered by the protections in 
those guidelines, OSHA has determined 
that complying with this standard in 
addition to the federal contractor 
guidelines is not necessary to protect 
covered contractor employees from a 
grave danger posed by COVID–19. 
Although there may be some respects in 
which the OSHA standard is somewhat 
more protective, such as providing paid 
leave for vaccination, the federal 
contractor guidelines are somewhat 
more protective in other respects, such 
as requiring vaccination for everyone 
who does not have a right to an 
accommodation rather than allowing 
employees to submit to testing in lieu of 
vaccination. In essence, they are similar 
but slightly different schemes that 
provide roughly equivalent protection, 
and OSHA has determined that 
imposing a second set of similar 
protections on covered federal 
contractors by subjecting them to this 
ETS in addition to the federal contractor 
guidance is not necessary at this time to 
reduce a grave danger to covered 
contractor employees from COVID–19. 
Under Executive Order 14043, every 
federal agency must implement a 
program requiring each of its federal 
employees to be vaccinated against 
COVID–19, except as required by law. 
86 FR 50989. OSHA will regard a 
federal agency’s compliance with this 
requirement, and the related Safer 
Federal Workforce Task Force guidance 
issued under section 4(e) of Executive 
Order 13991 and section 2 of Executive 
Order 14043 (including guidance on 
employer support in the form of paid 
time for vaccination and paid leave for 
post-vaccination recovery), as sufficient 
to meet its obligation to comply with 
this ETS under Section 19 of the OSH 
Act and Executive Order 12196. In 
essence, the federal government has 
chosen the mandatory vaccination 
option of this rule, and all federal 
employees are required to be fully 
vaccinated by the compliance date of 
this standard, except where entitled to 
a reasonable accommodation. The Safer 
Federal Workforce Task Force’s 
guidelines for vaccination verification 
are consistent with the ETS’s (see Safer 
Federal Workforce Task Force, October 
11, 2021). Note, however, that under the 
OSH Act, the U.S. Postal Service is 
treated as a private employer, see 29 
U.S.C. 652(5), and it is therefore 
required to comply with this ETS in the 
same manner as any other employer 
covered by the Act. 
For similar reasons, paragraph 
(b)(2)(ii) provides that this ETS does not 
apply in settings where any employee 
provides healthcare services or 
healthcare support services while they 
are covered by the requirements of 29 
CFR 1910.502. Section 1910.502 
requires a multi-layered suite of 
protections for employees covered by its 
requirements, including patient 
screening and management, facemasks 
or respirators, other personal protective 
equipment (PPE), limiting exposure to 
aerosol-generating procedures, physical 
distancing, physical barriers, cleaning, 
disinfection, ventilation, health 
screening and medical management, 
access to vaccination, and medical 
removal protection. Section 1910.502 
was carefully tailored to the healthcare 
workplaces it covers and, given the full 
suite of protections it requires, 
including (like this ETS) the provision 
of paid time for vaccination, OSHA has 
determined that it adequately protects 
the employees covered by its 
requirements from the grave danger 
posed by COVID–19. Therefore, 
complying with the additional 
requirements of this ETS is not 
necessary to protect those employees 
while they are covered by that 
standard’s protections. 
OSHA’s intent was to leave no 
coverage gaps between section 1910.502 
and this ETS. In other words, the 
purpose of paragraph (b)(2)(ii) is to 
ensure that all workers in healthcare 
and healthcare support jobs who are at 
grave danger from exposure to SARS- 
CoV–2 are protected by either section 
1910.502 or this ETS while performing 
their jobs. Therefore, it will be necessary 
for employers with employees covered 
by section 1910.502 to determine if they 
also have employees covered by this 
ETS. For example, a healthcare 
employer with more than 100 
employees that has non-hospital 
ambulatory care facilities that are 
exempt under section 1910.502(a)(2)(iii) 
(for non-hospital ambulatory care 
settings where all non-employees are 
screened prior to entry and those with 
suspected or confirmed COVID–19 are 
prohibited from entry) would be 
required to protect the employees in 
those ambulatory care facilities under 
this ETS. Similarly, a retail pharmacy 
chain that operates a series of 
ambulatory care clinics embedded in its 
stores, where those embedded clinics 
are the only areas in the store that are 
covered under 1910.502 (see section 
1910.502(a)(3)(i)), would have to ensure 
that the remainder of its employees in 
other parts of its stores are protected 
under this ETS if the company has 100 
or more employees company-wide, 
including those covered under 
1910.502. 
Paragraph (b)(3) provides that, even 
where the standard applies to a 
particular employer, its requirements do 
not apply to employees: (i) Who do not 
report to a workplace where other 
individuals such as coworkers or 
customers are present; (ii) while 
working from home; or (iii) who work 
exclusively outdoors. OSHA intends 
these provisions to exempt workplace 
settings where workers do not interact 
indoors with other individuals, and to 
exempt work performed in the 
employee’s home regardless of whether 
other individuals may be present in the 
home. 
OSHA has determined that the 
provisions of this ETS are not necessary 
to protect employees from COVID–19 
when they are working alone, or when 
they are working from home (see Grave 
Danger, Section III.A. of this preamble). 
These two provisions may overlap in 
some cases, but also can apply to 
slightly different situations. Paragraph 
(b)(3)(i) would apply to work in a 
solitary location, such as a research 
station where only one person (the 
employee) is present at a time. In that 
situation, the employee is not exposed 
to any potentially infectious individuals 
at work. Paragraph (b)(3)(ii) would 
apply to employees working in their 
homes, regardless of whether other 
individuals who are not employees of 
the same employer are present. In a 
home telework environment, many 
factors—such as the presence of family 
members and other individuals 
unrelated to the employee’s work, who 
may not be fully vaccinated or wearing 
face coverings—may be beyond the 
employer’s control. Employees are 
typically in the best position to manage 
COVID–19 risks in their homes. Note 
that the exemption in paragraph 
(b)(3)(ii) only applies to employees 
while they are working from home. An 
employee who switches back and forth 
from teleworking to working in a setting 
where other people are present (e.g., an 
office) is covered by this ETS and must 
be vaccinated if required by the 
employer. If the employer does not 
require vaccination, the teleworking 
employee must either be vaccinated or 
complete testing and wear a face 
covering in accordance with their 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
employer’s policy under paragraph (d). 
How often such an employee must be 
tested for COVID–19 and wear a face 
covering, however, depends on how 
often they report to the office (see, e.g., 
paragraph (g)(1)(ii)). 
Paragraph (b)(3)(iii) provides that, 
even if a particular employer is covered 
by the standard, the requirements of the 
standard do not apply to employees 
who work exclusively outdoors. OSHA 
has determined that COVID–19 does not 
pose a grave danger to employees who 
work exclusively outdoors because of 
the significantly reduced likelihood of 
transmission in outdoor settings. As 
discussed in more detail in Grave 
Danger (Section III.A. of this preamble), 
the record contains very little evidence 
of COVID–19 transmission in outdoor 
settings. And, in studies where clusters 
were identified in worksites 
characterized as being outdoors, the 
study authors were not able to identify 
specific incidents that led to 
transmission. In addition, workplaces 
characterized as ‘‘outdoors’’ may in fact 
involve significant time spent indoors. 
For example, on a construction site, 
workers inside a partially complete 
structure are not truly outdoors, and 
some individuals on a construction site 
may spend significant amounts of time 
in a construction trailer where other 
individuals are present. Workers at 
outdoor locations may also routinely 
share work vehicles. These indoor 
exposures could account for COVID–19 
clusters among employees at worksites 
otherwise characterized as being 
outdoors. And employees whose 
outdoor time is interrupted by the 
indoor periods will still be subject to the 
requirements in this ETS. 
Studies of athletic teams further 
indicate that evidence of COVID–19 
clusters among workers characterized as 
working outdoors could actually be 
caused by indoor exposures. Even 
where athletes were in very close 
contact during outdoor exposures on the 
playing field, the study authors could 
not identify a single case of COVID–19 
transmission between teams that 
occurred outdoors (see Mack et al., 
January 29, 2021; Egger et al., March 18, 
2021; Jones et al., February 11, 2021). 
For all of these reasons, and as 
discussed more fully in Grave Danger 
(Section III.A. of this preamble), OSHA 
has determined that COVID–19 does not 
pose a grave danger to employees who 
work exclusively outdoors. 
As a practical matter, determining the 
applicability of paragraph (b)(3)(iii) 
depends on the working conditions of 
individual employees. For example, if a 
landscaping contractor has at least 100 
employees and is not covered by the 
exemptions in paragraph (b)(2), the 
standard applies to that employer even 
if a majority of the company’s 
employees work exclusively outdoors. 
The standard’s protections would only 
apply to employees working in indoor 
settings around other individuals (other 
than telework in their own homes), not 
to those employees working exclusively 
outdoors. In some cases, it may be true 
that the standard applies to an employer 
but the employer would not have to 
implement its provisions at all because 
all of its employees fall within 
exemptions in paragraph (b)(3). Going 
back to the example of the large 
landscaping contractor, if all indoor 
workers either work from home or in 
locations where no other individuals are 
present, and all outdoors workers work 
exclusively outdoors and do not drive to 
worksites together in a company 
vehicle, the employer would be covered 
by the ETS but not required to comply 
with its provisions. 
An employee will only be covered by 
the exemption in paragraph (b)(3)(iii) if 
the employee works exclusively 
outdoors. Thus, an employee who works 
indoors on some days and outdoors on 
other days would not be exempt from 
the requirements of this ETS. Likewise, 
if an employee works primarily 
outdoors but routinely occupies 
vehicles with other employees as part of 
work duties, that employee is not 
covered by the exemption in paragraph 
(b)(3)(iii). However, if an employee 
works outdoors for the duration of every 
workday except for de minimis use of 
indoor spaces where other individuals 
may be present—such as a multi-stall 
bathroom or an administrative office— 
that employee would be considered to 
work exclusively outdoors and covered 
by the exemption under paragraph 
(b)(3)(iii) as long as time spent indoors 
is brief, or occurs exclusively in the 
employee’s home (e.g., a lunch break at 
home). Extremely brief periods of 
indoor work would not normally expose 
employees to a high risk of contracting 
COVID–19; however, OSHA will look at 
cumulative time spent indoors to 
determine whether that time is de 
minimis. Thus, if there are several brief 
periods in a day when an employee goes 
inside, OSHA will total those periods of 
time when determining whether the 
exception for exclusively outdoors work 
applies. 
Finally, to qualify for this exception, 
the employee’s work must truly occur 
‘‘outdoors,’’ which would not include 
buildings under construction where 
substantial portions of the structure are 
in place, such as walls and ceiling 
elements that would impede the natural 
flow of fresh air at the worksite. 
Workplaces that are truly outdoors 
typically do not include any of the 
characteristics that normally enable 
transmission of SARS–CoV–2 to occur, 
such as poor ventilation, enclosed 
spaces, and crowding. As discussed in 
Bulfone et al. (November 29, 2020), the 
lower risk of transmission in outdoor 
settings (i.e., open air or structures with 
only one wall) is likely due to increased 
ventilation with fresh air and a greater 
ability to maintain physical distancing 
(see Grave Danger, Section III.A. of this 
preamble, for more information on risk 
of transmission outdoors). 
References 
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December). Opportunity is calling. 
Answer it. Insights and solutions for 
moving beyond risky ad hoc HR 
management. (ADP, December 2016) 
Bulfone TC et al. (2020, November 29). 
Outdoor Transmission of SARS-CoV–2 
and Other Respiratory Viruses: A 
Systematic Review. (2020). The Journal 
of Infectious Diseases 223: 550–561. 
https://doi.org/10.1093/infdis/jiaa742. 
(Bulfone et al., November 29, 2020) 
Centers for Disease Control and Prevention 
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What We Know About the Science. 
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ncov/variants/delta-variant.html?s_
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ga:p:RG:GM:gen:PTN:FY21. (CDC, 
August 26, 2021) 
Champredon D et al. (2021, May 12). 
Modelling approach to assessing risk of 
transmission of SARS-CoV–2 at 
gatherings. https://www.canada.ca/en/ 
public-health/services/reports- 
publications/canada-communicable- 
disease-report-ccdr/monthly-issue/2021- 
47/issue-4-april-2021/assessing-risk- 
transmission-sars-cov-2-gatherings.html. 
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Colorado Department of Public Health and 
Environment (CDPHE). (2021, October 
6). CDPHE COVID–19 outbreak map 
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cdphe.maps.arcgis.com/apps/ 
webappviewer/index.html?id=
dcc0b993632a4bc68dc7b9a1dd015cfe. 
(CDPHE, October 6, 2021) 
Contreras Z et al. (2021, July). Industry 
Sectors Highly Affected by Worksite 
Outbreaks of Coronavirus Disease, Los 
Angeles County, California, USA, March 
19-September 30, 2020. Emerg Infect Dis. 
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eid2707.210425. (Contreras et al., July, 
2021) 
Egger F et al. (2021, March 18). Does playing 
football (soccer) lead to SARS–CoV–2 
transmission?—a case study of 3 matches 
with 19 infected football players. Science 
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24733938.2021.1895442. (Egger et al., 
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Jones B et al. (2021, February 11). SARS– 
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90 Test sensitivity indicates the ability of a test to 
correctly identify people who have a disease. Test 
specificity indicates the ability of a test to correctly 
identify people who do not have a disease. A test 
with high sensitivity and high specificity minimizes 
inaccurate results. 
positive players? Br J Sports Med 
doi:10.1136/bjsports-2020–103714. 
(Jones et al., February 11, 2021) 
Mack CD et al. (2021, January 29). 
Implementation and evolution of 
mitigation measures, testing, and contact 
tracing in the national football league, 
August 9–November 21, 2020. MMWR 
70: 130–135. doi:http://dx.doi.org/ 
10.15585/mmwr.mm7004e2. (Mack et al., 
January 29, 2021) 
National Federation of Independent Business 
(NFIB) Research Center. (2021, July 12). 
Covid-19 small business survey (18): 
federal small business programs, the 
vaccine, labor shortage, and supply 
chain disruptions. https://
assets.nfib.com/nfibcom/Covid-19-18- 
Questionnaire.pdf. (NFIB, July 12, 2021) 
Oregon Health Authority. (2021, October 6). 
COVID–19 weekly outbreak report— 
October 6, 2021. https://
www.oregon.gov/oha/covid19/ 
Documents/DataReports/Weekly- 
Outbreak-COVID-19-Report.pdf. (Oregon 
Health Authority, October 6, 2021) 
Safer Federal Workforce Task Force. (2021, 
September 24). COVID–19 Workplace 
Safety: Guidance for Federal Contractors 
and Subcontractors. https://
www.saferfederal/workforce./gov/ 
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(Safer Federal Workforce Task Force, 
September 24, 2021) 
Safer Federal Workforce Task Force. (2021, 
October 11). Vaccinations: Vaccination 
Documentation and Information. https:// 
www.saferfederalworkforce.gov/faq/ 
vaccinations/. (Safer Federal Workforce 
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Shacham E et al. (2021, July 5). Examining 
the relationship between COVID–19 
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2021.06.30.21259794. (Shacham et al., 
July 5, 2021) 
Society for Human Resource Management 
(SHRM). (2015). How organizational staff 
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Society for Human Resource Management 
(SHRM). (2020a, May 6). Navigating 
COVID–19: impact of the pandemic on 
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today/trends-and-forecasting/research-
andsurveys/Documents/ 
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20Presentation%20v1.1.pdf. (SHRM, 
May 6, 2020a) 
Society for Human Resource Management 
(SHRM). (2020b, May 6). Survey: 
COVID–19 could shutter most small 
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shrm/press-room/press-releases/pages/ 
survey-covid-19-could-shutter-most- 
small-businesses.aspx. (SHRM, May 6, 
2020b) 
United States (US) Census Bureau. (2021, 
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Establishment Industry, The annual data 
table titled ‘‘U.S. & states, NAICS, 
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www.census.gov/data/tables/2017/econ/ 
susb/2017-susb-annual.html. (US Census 
Bureau, May 2021) 
C. Definitions 
Paragraph (c) of the ETS provides 
definitions of terms used in the section. 
‘‘Assistant Secretary’’ means the 
Assistant Secretary of Labor for 
Occupational Safety and Health, U.S. 
Department of Labor, or designee. This 
definition provides clarification about 
who can request and receive records 
specified in paragraph (l)(3) of this 
section. A designee includes a 
representative conducting an inspection 
or an investigation. 
‘‘COVID–19 (Coronavirus Disease 
2019)’’ means the disease caused by 
SARS–CoV–2 (severe acute respiratory 
syndrome coronavirus 2). SARS–CoV–2 
is a highly transmissible virus that 
spreads primarily through the 
respiratory droplets that are produced 
when an infected person coughs, 
sneezes, sings, talks, or breathes. The 
nature of the disease, variants of SARS– 
CoV–2, disease transmission, and 
associated health effects are all 
described in great detail in Grave 
Danger (Section III.A. of this preamble). 
For clarity and ease of reference, the 
ETS also uses the term ‘‘COVID–19’’ 
when describing exposures or potential 
exposures to SARS–CoV–2. The 
requirements of the ETS are intended to 
address the grave danger of exposure to 
COVID–19 in the workplace. 
A ‘‘COVID–19 test’’ means a test for 
SARS–CoV–2 that is: (1) Cleared, 
approved, or authorized, including in an 
Emergency Use Authorization (EUA), by 
the U.S. Food and Drug Administration 
(FDA) to detect current infection with 
the SARS–CoV–2 virus (e.g., a viral 
test); (2) administered in accordance 
with the authorized instructions; and (3) 
not both self-administered and self-read 
unless observed by the employer or an 
authorized telehealth proctor. Examples 
of tests that satisfy this requirement 
include tests with specimens that are 
processed by a laboratory (including 
home or on-site collected specimens 
which are processed either individually 
or as pooled specimens), proctored over- 
the-counter tests, point of care tests, and 
tests where specimen collection and 
processing is either done or observed by 
an employer. 
Under paragraph (g), employees who 
are not fully vaccinated must be tested 
for COVID–19. When an employee must 
be tested, the test is considered 
acceptable only if the test and the 
administration of the test satisfy the 
definition of COVID–19 test in this 
standard. 
COVID–19 tests can broadly be 
divided into two categories, diagnostic 
tests and antibody tests. Diagnostic tests 
detect parts of the SARS–CoV–2 virus 
and can be used to diagnose current 
infection. On the other hand, antibody 
tests look for antibodies in the immune 
system produced in response to SARS– 
CoV–2, and are not used to diagnose an 
active COVID–19 infection. Antibody 
tests do not meet the definition of 
COVID–19 test for the purposes of this 
ETS. 
Diagnostic tests for current infection 
fall into two categories: Nucleic acid 
amplification tests (NAATs) and antigen 
tests. NAATs are a type of molecular 
test that detect genetic material (nucleic 
acids); NAATs for COVID–19 identify 
the ribonucleic acid (RNA) sequences 
that comprise the genetic material of the 
virus. NAATs can reliably detect small 
amounts of SARS–CoV–2 and are 
unlikely to return a false-negative result. 
NAATs use many different methods to 
detect the virus, including reverse 
transcription-polymerase chain reaction 
(RT–PCR), which is a high-sensitivity, 
high-specificity 90 test for diagnosing 
SARS–CoV–2 infection. Other types of 
NAATs that use isothermal 
amplification methods include nicking 
endonuclease amplification reaction 
(NEAR), transcription mediated 
amplification (TMA), loop-mediated 
isothermal amplification (LAMP), 
helicase-dependent amplification 
(HDA), clustered regularly interspaced 
short palindromic repeats (CRISPR), and 
strand displacement amplification 
(SDA) (CDC, June 14, 2021). 
Most NAATs need to be processed in 
a laboratory with variable time to 
receive results (approximately 1–2 
days), but some NAATs are point-of- 
care tests with results available in about 
15–45 minutes. As of October 14, 2021, 
264 molecular tests (NAATs) and 
collection devices have EUA from the 
FDA for COVID–19 (FDA, October 14, 
2021b). These tests may be acceptable 
under the ETS. 
Antigen tests may also meet the 
definition of COVID–19 test under this 
standard. Antigen tests indicate current 
infection by detecting the presence of a 
specific viral antigen. Most can be 
processed at the point of care with 
results available in about 1530 minutes. 
Antigen tests generally have similar 
specificity to, but are less sensitive than, 
NAATs (CDC, October 7, 2021). As of 
October 14, 2021, thirty-seven antigen 
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tests have EUA from the FDA for 
COVID–19 (FDA, October 14, 2021a). 
These tests may be acceptable under the 
ETS. 
Most antigen tests and some NAATs 
are conducted at the point of care, 
which means the test processing and 
result reading is performed at or near 
the place where a specimen is collected 
so that results can be obtained within 
minutes rather than hours or days. 
Rapid point-of-care tests are 
administered in various settings 
operating under a Clinical Laboratory 
Improvement Amendments of 1988 
(CLIA) certificate of waiver, such as 
physician offices, urgent care facilities, 
pharmacies, school health clinics, 
workplace health clinics, long-term care 
facilities and nursing homes, and at 
temporary locations, such as drive- 
through sites managed by local health 
organizations (FDA, November 16, 
2020). 
To be a valid COVID–19 test under 
this standard, a test may not be both 
self-administered and self-read unless 
observed by the employer or an 
authorized telehealth proctor. OSHA 
included the requirement for some type 
of independent confirmation of the test 
result in order to ensure the integrity of 
the result given the ‘‘many social and 
financial pressures for test-takers to 
misrepresent their results’’ (Schulte et 
al., May 19, 2021). This independent 
confirmation can be accomplished in 
multiple ways, including through the 
involvement of a licensed healthcare 
provider or a point-of-care test provider. 
If an over-the-counter (OTC) test is 
being used, it must be used in 
accordance with the authorized 
instructions. The employer can validate 
the test through the use of a proctored 
test that is supervised by an authorized 
telehealth provider. Alternatively, the 
employer could proctor the OTC test 
itself. 
Employers have the flexibility to 
select the testing scenario that is most 
appropriate for their workplace. Some 
employees and employers may rely on 
testing that is conducted by a healthcare 
provider (e.g., doctor or nurse) who 
arranges for the specimen to be analyzed 
at a laboratory or at a point-of-care 
testing location (e.g., a pharmacy). The 
involvement of licensed or accredited 
healthcare providers allows employers 
to have a high degree of confidence in 
the suitability of the test and the test 
results. Some large employers who set 
up their own on-site testing program 
may partner with a healthcare 
organization (e.g., a local hospital or 
clinic) or rely on a licensed healthcare 
provider to help obtain a CLIA 
certificate of waiver. Other employers 
may simply require that employees 
perform and read their own OTC test 
while an authorized employee observes 
the administration and reading of the 
test to ensure that a new test kit was 
used and that the test was administered 
properly (e.g., nostrils were swabbed), 
and to witness the test result. 
Due to the potential for employee 
misconduct (e.g., falsified results), tests 
that are both self-administered and self- 
read are not acceptable unless they are 
observed by the employer or an 
authorized telehealth proctor. Some 
COVID–19 tests are authorized by the 
FDA to be performed only with the 
supervision of a telehealth proctor, 
which is someone who is trained to 
observe sample collection and provide 
instructions and result interpretation 
assistance to individuals using the test. 
The term ‘‘authorized telehealth 
proctor’’ refers to proctors who follow 
the requirements for proctoring 
specified by the FDA authorization. For 
a more detailed discussion on COVID– 
19 testing requirements under this ETS, 
see the Summary and Explanation for 
paragraph (g) (Section VI.G. of this 
preamble). 
A ‘‘face covering’’ means a covering 
that: (1) Completely covers the nose and 
mouth; (2) is made with two or more 
layers of a breathable fabric that is 
tightly woven (i.e., fabrics that do not let 
light pass through when held up to a 
light source); (3) is secured to the head 
with ties, ear loops, or elastic bands that 
go behind the head. If gaiters are worn, 
they should have two layers of fabric or 
be folded to make two layers; (4) fits 
snugly over the nose, mouth, and chin 
with no large gaps on the outside of the 
face; and (5) is a solid piece of material 
without slits, exhalation valves, visible 
holes, punctures, or other openings. 
This definition includes clear face 
coverings or cloth face coverings with a 
clear plastic panel that, despite the non- 
cloth material allowing light to pass 
through, otherwise meet this definition 
and which may be used to facilitate 
communication with people who are 
deaf or hard-of-hearing or others who 
need to see a speaker’s mouth or facial 
expressions to understand speech or 
sign language respectively. Face 
coverings can be manufactured or 
homemade, and they can incorporate a 
variety of designs, structures, and 
materials. Face coverings provide 
variable levels of protection based on 
their design and construction. 
As explained in paragraph (i), face 
covering use is required based on an 
employee’s vaccination status. The 
criteria in the definition help to ensure 
that face coverings that are worn by 
workers who are not fully vaccinated 
will provide effective source control and 
some degree of personal protection. 
Source control means reducing the 
spread of large respiratory droplets to 
others by covering a person’s mouth and 
nose. The personal protection afforded 
by face coverings, as well as the benefits 
and necessity, are described in the 
Summary and Explanation for 
paragraph (i) (Section VI.I. of this 
preamble). 
Face coverings differ from facemasks 
and respirators, which are also defined 
in paragraph (c) of this section. Face 
coverings, unlike facemasks and 
respirators, are not considered to be 
personal protective equipment (PPE) 
under OSHA’s general PPE standard (29 
CFR 1910.132), as discussed in the 
Summary and Explanation for 
paragraph (i) (Section VI.I. of this 
preamble). 
Lastly, face coverings as required by 
this standard do not have to meet a 
consensus standard, although face 
coverings that adhere to such consensus 
standards, with design and construction 
specifications, meet the definition and 
may offer both greater protection and 
the confidence that at least a minimum 
level of protection has been provided. 
The National Institute for Occupational 
Safety and Health (NIOSH) recommends 
that employers and workers who want 
a face covering that provides a known 
level of protection use face coverings 
that meet a new standard, called 
Workplace Performance and Workplace 
Performance Plus masks, for 
workplaces. As discussed in the 
Summary and Explanation for 
paragraph (i) (Section VI.I. of this 
preamble), the new NIOSH criteria and 
the ASTM Specification for Barrier Face 
Coverings, F3502–21 (ASTM Standard) 
provide a greater level of source control 
performance for workers when wearing 
the face covering according to 
manufacturer’s instructions. The NIOSH 
criteria require that face coverings 
conform to the ASTM Standard and 
meet additional quantitative leakage 
criteria. Although not required by the 
standard, OSHA notes that face 
coverings that meet ASTM F3502–21 
requirements and the new NIOSH 
criteria may offer a higher level of 
source control and wearer protection 
than those face coverings that do not 
meet a consensus standard. 
A ‘‘facemask’’ means a surgical, 
medical procedure, dental, or isolation 
mask that is FDA-cleared, authorized by 
an FDA EUA, or offered or distributed 
as described in an FDA enforcement 
policy. Facemasks may also be referred 
to as ‘‘medical procedure masks.’’ This 
definition provides clarification about 
the exception to the face covering 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
91 As defined by CDC’s informational document, 
Summary Document for Interim Clinical 
Considerations for Use of COVID–19 Vaccines 
Currently Authorized in the United States (CDC, 
September 29, 2021). 
requirement under paragraph (i)(1)(iii) 
that permits facemask use in lieu of face 
coverings. OSHA notes that facemasks 
are not respirators, which are also 
defined in this section. 
Facemasks provide protection against 
exposure to splashes, sprays, and spatter 
of body fluids. Facemasks offer both 
source control, as defined in this section 
under face coverings, and protection for 
the wearer. OSHA has previously 
established that facemasks are essential 
PPE for employees in healthcare, under 
both the general PPE standard (29 CFR 
part 1910.132) and the Bloodborne 
Pathogens standard (29 CFR part 
1910.1030). Although not required, the 
Summary and Explanation for 
paragraph (i) (Section VI.I. of this 
preamble) addresses their inclusion in 
this standard. Additional information 
on such facemasks can be found in 
relevant FDA guidance. 
‘‘Fully vaccinated’’ means (i) a 
person’s status 2 weeks after completing 
primary vaccination with a COVID–19 
vaccine with, if applicable, at least the 
minimum recommended interval 
between doses in accordance with the 
approval, authorization, or listing that 
is: (A) Approved or authorized for 
emergency use by the FDA; (B) listed for 
emergency use by the World Health 
Organization (WHO); or (C) 
administered as part of a clinical trial at 
U.S. site, if the recipient is documented 
to have of primary vaccination with the 
‘‘active’’ (not placebo) COVID–19 
vaccine candidate, for which vaccine 
efficacy has been independently 
confirmed (e.g., by a data and safety 
monitoring board) or if the clinical trial 
participant from the U.S. sites had 
received a COVID–19 vaccine that is 
neither approved nor authorized for use 
by the FDA but is listed for emergency 
use by the WHO. Currently-authorized 
FDA vaccines include Janssen (Johnson 
& Johnson), which is a single-dose 
primary vaccination, and Pfizer- 
BioNTech and Moderna, which have a 
two-dose primary vaccination series. 
This definition is consistent with the 
CDC definition of fully vaccinated (CDC, 
September 16, 2021). 
The definition of ‘‘fully vaccinated’’ 
also means a person’s status 2 weeks 
after receiving the second dose of any 
combination of two doses of a COVID– 
19 vaccine that is approved or 
authorized by the FDA, or listed as a 
two-dose series by the WHO (i.e., 
heterologous primary series of such 
vaccines, receiving doses of different 
COVID–19 vaccines as part of one 
primary series). The second dose of the 
series must not be received earlier than 
17 days (21 days with a 4-day grace 
period) after the first dose (CDC, 
October 15, 2021). OSHA has included 
this because people who have received 
a heterologous primary vaccination 
series (including mixing of mRNA, 
adenoviral, and mRNA plus adenoviral 
products) are considered by the CDC to 
also meet this definition. OSHA 
considers a vaccination series that meets 
the definition in subparagraph (ii) to be 
a primary vaccination for purposes of 
the requirements to support vaccination 
in paragraph (f). 
The employer obligations under the 
ETS differ based on whether each 
employee is fully vaccinated. This 
definition is relevant to the definition of 
mandatory vaccination policy, in this 
paragraph (c), as well as the provisions 
under paragraph (d) regarding written 
vaccination policy requirements and 
relevant procedures for workers who are 
fully vaccinated. Paragraph (e)(2) also 
addresses fully vaccinated employees, 
including the determination of 
vaccination status and acceptable forms 
of proof. Lastly, the definition provides 
clarity with regard to the requirements 
of paragraphs (g) and (i) respectively, 
which contain requirements for regular 
COVID–19 testing and face covering use 
among employees who are not fully 
vaccinated. 
Paragraph (e) requires employers to 
determine each employee’s vaccination 
status, including whether they are fully 
or partially vaccinated. By ‘‘partially 
vaccinated,’’ OSHA means someone 
who has started a primary vaccination 
series but not completed it (e.g., has 
received one dose of a two-dose series) 
or has completed their primary 
vaccination and two weeks have not 
elapsed since the last dose of the 
primary vaccination. 
A ‘‘mandatory vaccination policy’’ is 
an employer policy requiring each 
employee to be fully vaccinated. To 
meet the definition of a mandatory 
vaccination policy, the policy must 
require: Vaccination of all employees, 
including vaccination of all new 
employees as soon as practicable, other 
than those employees (1) for whom a 
vaccine is medically contraindicated, (2) 
for whom medical necessity requires a 
delay in vaccination,91 or (3) who are 
legally entitled to a reasonable 
accommodation under federal civil 
rights laws because they have a 
disability or sincerely held religious 
beliefs, practices, or observances that 
conflict with the vaccination 
requirement. OSHA intends that 
‘‘employee,’’ as used in this definition, 
includes only employees that are 
covered by this ETS and does not 
include employees who are excluded 
from coverage under paragraph (b)(3). 
Paragraph (d)(1) of the standard 
requires an employer to establish, 
implement, and enforce a written 
mandatory vaccination policy that 
meets this definition. The benefits of 
vaccination, including the effectiveness 
of vaccination mandates, are discussed 
in Grave Danger (Section III.A. of this 
preamble) and Need for the ETS 
(Section III.B. of this preamble). 
OSHA recognizes that vaccination 
policies may vary, as indicated in 
paragraph (d)(2). Any policy that 
permits the employee to choose between 
vaccination and COVID–19 testing and 
face covering use would not be 
considered a mandatory vaccination 
policy under paragraph (d)(1), although 
such policy is permissible under 
paragraph (d)(2). In some cases, 
employers may implement vaccination 
policies that differ by location or type of 
business operation and thus the 
application of paragraph (d)(2) might 
vary across an employer’s workforce. 
This is discussed in greater detail in the 
Summary and Explanation for 
paragraph (d) (Section VI.D. of this 
preamble). 
A ‘‘respirator’’ is a type of PPE that is 
certified by NIOSH under 42 CFR part 
84 or is authorized under an EUA by the 
FDA. These specifications are intended 
to ensure some consistent level of 
testing, approval, and protection and to 
prevent the use of counterfeit respirators 
that will not offer adequate protection, 
which is important because respirators 
are intended to protect the wearer when 
directly exposed to hazards. Respirators 
protect against airborne hazards by 
removing specific air contaminants from 
the ambient (surrounding) air or by 
supplying breathable air from a safe 
source. Common types of respirators 
include filtering facepiece respirators 
(e.g., N95), elastomeric respirators, and 
powered air-purifying respirators 
(PAPRs). Face coverings, facemasks, and 
face shields are not respirators. 
As stated above, there are various 
types of respirators that would fall 
within this definition. A filtering 
facepiece respirator (FFR) is a negative- 
pressure particulate respirator with a 
non-replaceable filter as an integral part 
of the facepiece or with the entire 
facepiece composed of the non- 
replaceable filtering medium. N95 FFRs 
are the most common type of FFR and 
are the type of respirator most often 
used to control exposures to infections 
transmitted via the airborne route. 
When properly worn, N95 FFRs filter at 
least 95% of airborne particles. An 
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elastomeric respirator is a tight-fitting 
respirator with a facepiece that is made 
of synthetic or rubber material that 
permits it to be disinfected, cleaned, 
and reused according to the 
manufacturer’s instructions. Elastomeric 
respirators are equipped with 
replaceable cartridges, canisters, or 
filters. Lastly, a powered air-purifying 
respirator (PAPR) is an air-purifying 
respirator that uses a blower to force the 
ambient air through air-purifying 
elements to the inlet covering. 
This standard does not require the use 
of respirators. This definition is 
included because it relates to paragraph 
(i)(1)(iii), which exempts employees 
from wearing face coverings when they 
are wearing respirators or facemasks. In 
addition, paragraph (i)(4) requires 
employers to permit employees to wear 
a respirator instead of a face covering 
and permits employers to provide 
respirators to their employees, instead 
of face coverings. When respirators are 
used pursuant to paragraph (i)(4), the 
employer must also comply with 
§ 1910.504, the Mini Respiratory 
Protection Program. 
NIOSH has developed a set of 
regulations in 42 CFR part 84 for testing 
and certifying non-powered, air- 
purifying, particulate-filter respirators. 
To help address concerns about 
availability during the COVID–19 
pandemic, the FDA has issued EUAs for 
certain PPE products, including 
respiratory protective devices such as 
respirators. For the purposes of this 
standard, respirators certified by 
NIOSH, under 42 CFR part 84 or 
authorized under an EUA by the FDA 
meet the definition. Additional 
information on such respirators can be 
found in relevant FDA and NIOSH 
guidance. 
A ‘‘workplace’’ is a physical location 
(e.g., fixed, mobile) where the 
employer’s work or operations are 
performed. It does not include an 
employee’s residence, even if the 
employee is teleworking from their 
residence. Examples of fixed locations 
include: Offices, retail establishments, 
co-working facilities, and factories or 
manufacturing facilities. A workplace 
includes the entire site (including 
outdoor and indoor areas, a structure or 
a group of structures) or an area within 
a site where work or any work-related 
activity occurs (e.g., taking breaks, going 
to the restroom, eating, entering or 
exiting work). The workplace includes 
the entirety of any space associated with 
the site (e.g., workstations, hallways, 
stairwells, breakrooms, bathrooms, 
elevators) and any other space that an 
employee might occupy in arriving, 
working, or leaving. Examples of 
employees who have mobile workplaces 
include maintenance and repair 
technicians who go to homes or 
businesses to provide repair services, or 
those who provide delivery services. 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, June 14). Nucleic Acid 
Amplification Tests. https://
www.cdc.gov/coronavirus/2019-ncov/ 
lab/naats.html. (CDC, June 14, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, September 16). When 
You’ve Been Fully Vaccinated: How to 
Protect Yourself and Others. https://
www.cdc.gov/coronavirus/2019-ncov/ 
vaccines/fully-vaccinated.html. (CDC, 
September 16, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 29). Summary 
Document for Interim Clinical 
Considerations for Use of COVID–19 
Vaccines Currently Authorized in the 
United States. https://www.cdc.gov/ 
vaccines/covid-19/downloads/summary- 
interim-clinical-considerations.pdf. 
(CDC, September 29, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, October 7). Interim 
Guidance for SARS–CoV–2 Testing in 
Non-Healthcare Workplaces. https://
www.cdc.gov/coronavirus/2019-ncov/ 
community/organizations/testing-non- 
healthcare-workplaces.html. (CDC, 
October 7, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, October 15). Interim Public 
Health Recommendations for Fully 
Vaccinated People. https://www.cdc.gov/ 
coronavirus/2019-ncov/vaccines/fully- 
vaccinated-guidance.html. (CDC, 
October 15, 2021) 
Equal Employment Opportunity Commission 
(EEOC). (2021, October 25). What You 
Should Know About COVID–19 and the 
ADA, the Rehabilitation Act, and Other 
EEO Laws. https://www.eeoc.gov/wysk/ 
what-you-should-know-about-covid-19- 
and-ada-rehabilitation-act-and-other- 
eeo-laws. (EEOC, October 25, 2021) 
Food and Drug Administration (FDA). (2020, 
November 16). COVID–19 Test Settings: 
FAQs on Testing for SARS–CoV–2. 
https://www.fda.gov/medical-devices/ 
coronavirus-covid-19-and-medical- 
devices/covid-19-test-settings-faqs- 
testing-sars-cov-2. (FDA, November 16, 
2020) 
Food and Drug Administration (FDA). 
(2021a, October 14). In Vitro Diagnostics 
EUAs—Antigen Diagnostic Tests for 
SARS–CoV–2. https://www.fda.gov/ 
medical-devices/coronavirus-disease- 
2019-covid-19-emergency-use- 
authorizations-medical-devices/in-vitro- 
diagnostics-euas-antigen-diagnostic- 
tests-sars-cov-2. (FDA, October 14, 
2021a) 
Food and Drug Administration (FDA). 
(2021b, October 14)). In Vitro Diagnostics 
EUAs—Molecular Diagnostic Tests for 
SARS–CoV–2. https://www.fda.gov/ 
medical-devices/coronavirus-disease- 
2019-covid-19-emergency-use- 
authorizations-medical-devices/in-vitro- 
diagnostics-euas-molecular-diagnostic- 
tests-sars-cov-2. (FDA, October 14, 
2021b) 
Schulte P et al. (2021, May 19). Proposed 
Framework for Considering SARS–CoV– 
2 Antigen Testing of Unexposed 
Asymptomatic Workers in Selected 
Workplaces. J Occup Environ Med. 2021 
Aug; 63(8): 646–656. Published online 
2021, May 19. https://
www.ncbi.nlm.nih.gov/pmc/articles/ 
PMC8327768/. (Schulte et al., May 19, 
2021) 
D. Employer Policy on Vaccination 
Vaccination is a vital tool to reduce 
the presence and severity of COVID–19 
cases in the workplace, in communities, 
and in the nation as a whole. Despite 
the robust protection against COVID–19 
that vaccination affords, millions of 
eligible individuals have not yet been 
vaccinated. Current efforts to increase 
the proportion of the U.S. population 
that is fully vaccinated against COVID– 
19 are critical to ending the COVID–19 
pandemic (CDC, September 15, 2021). 
As described more fully in Need for the 
ETS (Section III.B. of this preamble), 
mandatory vaccination policies work. 
Therefore, OSHA has determined that 
requiring or strongly encouraging 
vaccination—the most effective and 
efficient control for reducing COVID– 
19—is key to ensuring the protection of 
workers against the grave danger of 
exposure to SARS–CoV–2 in the 
workplace (see Grave Danger, Section 
III.A. of this preamble). Therefore, this 
ETS requires employers to adopt 
mandatory vaccination policies for their 
workplaces, with an exception for 
employers that instead adopt a policy 
allowing employees to elect to undergo 
regular COVID–19 testing and wear a 
face covering at work in lieu of 
vaccination. In Need for the ETS 
(Section III.B of this preamble), OSHA 
explains its rationale for providing the 
exception. 
Paragraph (d) of this ETS is a critical 
element in ensuring employees’ 
protection, as it requires covered 
employers to develop, implement, and 
enforce written policies on COVID–19 
vaccination for their workforces. 
Paragraph (d)(1) requires the employer 
to establish, implement, and enforce a 
written mandatory vaccination policy. 
As defined in paragraph (c), a 
mandatory vaccination policy is an 
employer policy requiring each 
employee to be fully vaccinated. Such a 
policy must require vaccination of all 
employees, other than those employees 
who fall into one of three categories: (1) 
Those for whom a vaccine is medically 
contraindicated, (2) those for whom 
medical necessity requires a delay in 
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vaccination, or (3) those who are legally 
entitled to a reasonable accommodation 
under federal civil rights laws because 
they have a disability or sincerely held 
religious beliefs, practices, or 
observances that conflict with the 
vaccination requirement. The policy 
must also require all new employees to 
be vaccinated as soon as practicable. 
Paragraph (d)(2) is a limited 
exemption from the mandatory 
vaccination policy requirement. As 
discussed in Need for the ETS (Section 
III.B. of this preamble), vaccination 
mandates are effective at increasing 
overall vaccination rates and protecting 
employees and, therefore, the agency 
encourages all employers to implement 
a mandatory vaccination policy. Under 
paragraph (d)(2), however, employers 
can avoid the mandate in paragraph 
(d)(1) if the employer establishes, 
implements, and enforces a written 
policy allowing any employee not 
subject to a mandatory vaccination 
policy to choose either to: (1) Be fully 
vaccinated against COVID–19 or (2) 
provide proof of regular testing for 
COVID–19 in accordance with 
paragraph (g) of this section and wear a 
face covering in accordance with 
paragraph (i). An employer who chooses 
to operate under paragraph (d)(2), 
however, must still offer the support for 
vaccination required under paragraph (f) 
and may not prevent employees from 
getting vaccinated. Adopting a policy 
under paragraph (d)(2) simply means 
that employees themselves may choose 
not to get vaccinated, in which case they 
must get tested and wear face coverings 
per the requirements of the standard. 
OSHA recognizes there may be 
employers who develop and implement 
partial mandatory vaccination policies, 
i.e., that apply to only a portion of their 
workforce. An example might be a retail 
corporation employer who has a 
mixture of staff working at the corporate 
headquarters, performing intermittent 
telework from home, and working in 
stores serving customers. In this type of 
situation, the employer may choose to 
require vaccination of only some subset 
of its employees (e.g., those working in 
stores), and to treat vaccination as 
optional for others (e.g., those who work 
from headquarters or who perform 
intermittent telework). This approach 
would comply with the standard so long 
as the employer complies in full with 
paragraph (d)(1) and (d)(2) for the 
respective groups. 
OSHA uses the terms establish, 
implement, and enforce in paragraph (d) 
to emphasize that it is necessary for an 
employer to first determine its policy 
and create a written record of that 
policy. After determining the policy, an 
employer must then ensure that it is 
following the policy, as laid out in its 
written plan. Finally, employers must 
ensure that they enforce the 
requirements of their policies with 
respect to their workforce, through 
training and the use of such 
mechanisms as work rules and the 
workplace disciplinary system, if 
necessary. These requirements apply to 
the written policy required under 
paragraph (d), whether employers 
choose to implement the mandatory 
vaccination policy under paragraph 
(d)(1) or utilize the exemption under 
paragraph (d)(2) for all or a portion of 
their workforce. 
To ensure that employers’ vaccination 
policies under paragraph (d) are 
comprehensive and effective, the 
policies should address all of the 
applicable requirements in paragraphs 
(e)–(j) of this standard, including: 
Requirements for COVID–19 
vaccination; applicable exclusions from 
the written policy (e.g., medical 
contraindications, medical necessity 
requiring delay in vaccination, or 
reasonable accommodations for workers 
with disabilities or sincerely held 
religious beliefs); information on 
determining an employee’s vaccination 
status and how this information will be 
collected (as described in paragraph (e)); 
paid time and sick leave for vaccination 
purposes (as described in paragraph (f)); 
notification of positive COVID–19 tests 
and removal of COVID–19 positive 
employees from the workplace (as 
described in paragraph (h)); information 
to be provided to employees (pursuant 
to paragraph (j)—e.g., how the employer 
is making that information available to 
employees); and disciplinary action for 
employees who do not abide by the 
policy. In addition to addressing the 
requirements of paragraphs (e)–(j) of this 
standard, the employer should include 
all relevant information regarding the 
policy’s effective date, who the policy 
applies to, deadlines (e.g., for 
submitting vaccination information, for 
getting vaccinated), and procedures for 
compliance and enforcement, all of 
which are necessary components of an 
effective plan. Having a comprehensive 
written policy will provide a solid 
foundation for an effective COVID–19 
vaccination program, while making it 
easier for employers to inform 
employees about the program-related 
policies and procedures, as required 
under paragraph (j)(1). 
If an employer utilizes the exemption 
under paragraph (d)(2), its workplace 
may contain employees who are 
vaccinated and unvaccinated. This 
might be the case even for employers 
who establish a mandatory vaccination 
policy under paragraph (d)(1); for 
example, an employer with a mandatory 
vaccination policy might have 
employees who cannot be vaccinated for 
medical reasons. Given the additional 
safety protocols under this standard for 
individuals who are not fully vaccinated 
(see paragraphs (g) and (i)), an employer 
who has both vaccinated and 
unvaccinated employees will have to 
develop and include the relevant 
procedures for two sets of employees in 
the written policy. The procedures for 
those who are fully vaccinated should 
contain all the information previously 
discussed relevant to establishing, 
implementing, and enforcing a 
comprehensive written policy. 
However, the procedures applicable to 
employees who are not fully vaccinated 
(i.e., those who decline vaccination, 
those who are unable to receive 
vaccination and are, absent undue 
hardship to their employers, entitled to 
reasonable accommodation) and those 
who are unable to provide proof of 
vaccination as required by paragraph (e) 
(who must be treated as not fully 
vaccinated), must include COVID–19 
testing and face covering use as required 
by paragraphs (g) and (i), respectively, 
unless the reasonable accommodation 
from vaccination removes the employee 
from the scope of § 1910.501 (e.g., full 
time telework consistent with one of the 
exceptions in § 1910.501(b)(3)). OSHA 
intends that such an employer will 
develop one written plan that includes 
different policies and procedures for 
vaccinated and unvaccinated 
employees. The requirements of 
paragraphs (e), (f), (h), and (j) should be 
addressed in the policy regardless of the 
vaccination requirements adopted by 
the employer. 
As with all elements of the written 
plan, an effective written plan will 
explain the testing requirements 
contained in paragraph (g) for 
unvaccinated employees, and how the 
employer will implement and enforce 
those policies. As described in 
paragraph (g)(1), the testing 
requirements differ for employees who 
report at least once every 7 days to a 
workplace compared to those who do 
not. Thus, the policy may describe 
different testing procedures for those 
different groups of employees, 
depending on how often they physically 
report to a workplace where other 
individuals are present. As described in 
paragraph (g)(3), the testing 
requirements are temporarily suspended 
for 90 days following a positive COVID– 
19 test or diagnosis. Thus, the 
employer’s policy and procedures to 
implement this temporary suspension of 
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testing should be included in their 
written workplace policy. In addition to 
the testing requirements in paragraph 
(g), an effective policy must address 
mandatory face covering use as 
described in paragraph (i), including 
procedures for employee compliance. 
Employers can get more information on 
the requirements for paragraphs (e) 
through (j), and what they must do to 
comply with those provisions of the 
standard, in the relevant Summary and 
Explanation sections (see Section VI. of 
this preamble). 
As an employer develops their written 
policy, they must address how the 
policy will apply to new employees. 
Although many new hires will be fully 
vaccinated, there should be procedures 
within the plan to collect information 
about the new employee’s vaccination 
status, and determine when an 
unvaccinated new hire must be 
vaccinated and, for employers using a 
plan under paragraph (d)(2), when 
COVID–19 testing and face covering use 
will commence if an employee remains 
unvaccinated. All new hires should be 
treated similarly to any employee who 
has not entered the workplace in the last 
seven days and will need to be fully 
vaccinated or provide proof of a 
negative COVID–19 test within the last 
seven days prior to entering the 
workplace for the first time. It is not 
OSHA’s intention to discourage 
employers from hiring new employees, 
but rather to ensure that new employees 
are as well-protected from COVID–19 
hazards in the workplace as current 
employees and are less likely to spread 
the virus to other employees. 
An employer may have already 
developed and implemented a written 
policy on vaccination, testing, and/or 
face covering use to protect employees 
from COVID–19. It is not OSHA’s intent 
for employers to duplicate current 
effective policies covering the 
requirements of this ETS; however, each 
employer with a current policy must 
evaluate that policy to ensure it satisfies 
all of the requirements of this rule. 
Employers with existing policies must 
modify and/or update their current 
policies to incorporate any missing 
required elements, and must provide 
information on these new updates or 
modifications to all employees in 
accordance with paragraph (j)(1). Once 
the employer has developed its policy 
pursuant to paragraph (d), the policy 
must be reduced to writing in order to 
be compliant with paragraph (d). 
The note to paragraph (d) was 
included in recognition that, under 
federal law, some employees may be 
entitled to a reasonable accommodation 
from their employer, absent undue 
hardship. If the worker requesting a 
reasonable accommodation cannot be 
vaccinated and/or wear a face covering 
because of a disability, as defined by the 
Americans with Disabilities Act (ADA), 
that worker may be entitled to a 
reasonable accommodation. In addition, 
if the vaccination, and/or testing for 
COVID–19, and/or wearing a face 
covering conflicts with a sincerely held 
religious belief, practice or observance, 
a worker may be entitled to a reasonable 
accommodation. Such accommodations 
exist independently of the Occupational 
Safety and Health Act and, therefore, 
OSHA does not administer or enforce 
these laws. Examples of relevant federal 
laws under which an accommodation 
can be requested include the Americans 
with Disabilities Act (ADA) and Title 
VII of the Civil Rights Act of 1964. 
For more information, the note refers 
to a resource produced by the Equal 
Employment Opportunity Commission 
(EEOC), which is responsible for 
enforcing federal laws that prohibit 
employment-related discrimination 
based on a person’s race, color, religion, 
sex (including pregnancy, gender 
identity, and sexual orientation), 
national origin, age (40 or older), 
disability, or genetic information. The 
EEOC resource listed in the note, What 
You Should Know About COVID–19 
and the ADA, the Rehabilitation Act, 
and Other EEO Laws, available at 
https://www.eeoc.gov/wysk/what-you- 
should-know-about-covid-19-and-ada- 
rehabilitation-act-and-other-eeo-laws, 
should be helpful to employers in 
navigating employees’ requests for 
accommodations, including the process 
for determining a reasonable 
accommodation and information on 
undue hardship (EEOC, October 25, 
2021). An additional resource that might 
be helpful is the CDC’s informational 
document, Summary Document for 
Interim Clinical Considerations for Use 
of COVID–19 Vaccines Currently 
Authorized in the United States (CDC, 
September 29, 2021), which lists the 
recognized clinical contraindications to 
receiving a COVID–19 vaccine. 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, September 15). Science 
Brief: Background rationale and evidence 
for public health recommendations for 
fully vaccinated people. https://
www.cdc.gov/coronavirus/2019-ncov/ 
science/science-briefs/fully-vaccinated- 
people.html. (CDC, September 15, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 29). Summary 
Document for Interim Clinical 
Considerations for Use of COVID–19 
Vaccines Currently Authorized in the 
United States. https://www.cdc.gov/ 
vaccines/covid-19/downloads/summary- 
interim-clinical-considerations.pdf. 
(CDC, September 29, 2021) 
Equal Employment Opportunity Commission 
(EEOC). (2021, October 25). What You 
Should Know About COVID–19 and the 
ADA, the Rehabilitation Act, and Other 
EEO Laws. https://www.eeoc.gov/wysk/ 
what-you-should-know-about-covid-19- 
and-ada-rehabilitation-act-and-other- 
eeo-laws. (EEOC, October 25, 2021) 
E. Determination of Employee 
Vaccination Status 
To comply with the requirements of 
the standard, it is essential that 
employers are aware of each employee’s 
vaccination status. As discussed in the 
Summary and Explanation for 
paragraph (d) (Section VI.D. of this 
preamble), effective implementation and 
enforcement of a written vaccination 
policy requires the employer to know 
the vaccination status of all employees. 
Furthermore, the employer must know 
each employee’s vaccination status in 
order to ensure that the vaccination, 
testing, and face covering requirements 
of the standard are met. As such, 
paragraph (e) includes provisions for 
determining each employee’s 
vaccination status. The standard 
requires employers to determine the 
vaccination status of each employee 
(paragraph (e)(1)), and also to maintain 
records of each employee’s vaccination 
status, preserve acceptable proof of 
vaccination for each employee who is 
fully or partially vaccinated, and 
maintain a roster of each employee’s 
vaccination status (paragraph (e)(4)). As 
discussed more fully below, 
maintenance of records in accordance 
with this paragraph is subject to 
applicable legal requirements for 
confidentiality of medical information. 
Additional provisions in paragraph (e) 
define acceptable proof of vaccination 
status for vaccinated employees 
(paragraph (e)(2)) and provide that any 
employee who does not submit an 
acceptable form of proof of vaccination 
status must be treated as not fully 
vaccinated (paragraph (e)(3)). 
Paragraph (e)(1) requires the employer 
to determine the vaccination status of 
each employee, including whether the 
employee is fully vaccinated. Under 
paragraph (e)(2), the employer must 
require each vaccinated employee to 
provide acceptable proof of vaccination 
status, including whether they are fully 
or partially vaccinated. This is an 
ongoing requirement for the employer 
(i.e., the employer needs to update this 
information as employees proceed 
through the vaccination process). 
Paragraph (e)(2) defines what 
‘‘acceptable proof of vaccination status’’ 
means for purposes of the ETS, and 
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employers must accept any of the proofs 
listed in accordance with the terms of 
the standard and as explained more 
fully below. Under paragraph (e)(2), the 
following are acceptable for proof of 
vaccination: (i) The record of 
immunization from a health care 
provider or pharmacy; (ii) a copy of the 
U.S. CDC COVID–19 Vaccination 
Record Card (CDC Form MLS–319813_
r, published on September 3, 2020) 
(CDC, October 5, 2021); (iii) a copy of 
medical records documenting the 
vaccination; (iv) a copy of immunization 
records from a public health, state, or 
tribal immunization information system; 
or (v) a copy of any other official 
documentation that contains the type of 
vaccine administered, date(s) of 
administration, and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s). 
To be acceptable as proof of 
vaccination, any documentation should 
generally include the employee’s name, 
type of vaccine administered, date(s) of 
administration, and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s). In 
some cases, state immunization records 
may not include one or more of these 
data fields, such as clinic site; in those 
circumstances, an employer can still 
rely upon the State immunization 
record as acceptable proof of 
vaccination. OSHA notes that clinic 
sites can include temporary vaccination 
facilities used during large vaccine 
distribution campaigns, such as schools, 
churches, or sports stadiums. Copies, 
including digital copies, of the listed 
forms of proof are acceptable means of 
documentation so long as they clearly 
and legibly display the necessary 
information. Digital copies can include, 
for example, a digital photograph, 
scanned image, or PDF of an acceptable 
form of proof. Some state governments 
are utilizing digital COVID–19 vaccine 
records showing the same information 
as the U.S. CDC COVID–19 Vaccination 
Record Card (CDC Form MLS–319813_
r, published on September 3, 2020) and 
providing quick response (QR) codes 
that when scanned will provide the 
same information (see, e.g., New York 
State Government, n.d., Retrieved 
October 4, 2021). In certain states, the 
QR code confirms the vaccine record as 
an official record of the state (see, e.g., 
State of California, n.d., Retrieved 
October 7, 2021) and therefore would 
provide acceptable proof of vaccination 
under the ETS (see paragraph (e)(2)(iv)). 
However, as discussed later, the 
employer must retain a copy of the 
vaccination information retrieved when 
the QR code is scanned, not just the QR 
code itself, to comply with paragraph 
(e)(4). In requesting proof of 
vaccination, the employer must take 
care to comply with any applicable 
Federal laws, including requirements 
under the Privacy Act, 5 U.S.C. 552a, 
and the Americans with Disabilities Act 
(ADA), 42 U.S.C. 12101 et seq. 
Each employee who has been partially 
or fully vaccinated should be able to 
provide one of the forms of acceptable 
proof listed above (paragraphs (e)(2)(i)– 
(e)(2)(v)). An employee who does not 
possess their COVID–19 vaccination 
record (e.g., because it was lost or 
stolen) should contact their vaccination 
provider (e.g., local pharmacy, 
physician’s office) to obtain a new copy 
or utilize their state health department’s 
immunization information system. In 
instances where an employee is unable 
to produce acceptable proof of 
vaccination under paragraphs (e)(2)(i)– 
(e)(2)(v), paragraph (e)(2)(vi) provides 
that a signed and dated statement by the 
employee will be acceptable. The 
employee’s statement must: (A) Attest to 
their vaccination status (fully 
vaccinated or partially vaccinated); (B) 
attest that they have lost or are 
otherwise unable to produce proof 
required by the standard; and (C) 
include the following language: ‘‘I 
declare (or certify, verify, or state) that 
this statement about my vaccination 
status is true and accurate. I understand 
that knowingly providing false 
information regarding my vaccination 
status on this form may subject me to 
criminal penalties.’’ The note to 
paragraph (e)(2)(vi) explains that an 
employee who attests to their 
vaccination status should, to the best of 
their recollection, include the following 
information in their attestation: The 
type of vaccine administered; date(s) of 
administration; and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s). For 
example, some of the information may 
be easier to recall, such as receiving a 
vaccine at a mass vaccination site or 
local pharmacy, while the dates of 
administration might only be 
remembered as falling within a 
particular month or months. OSHA 
understands that employees may not be 
able to recall certain information, such 
as the type of vaccine received. 
Employees providing attestations 
should include as much of this 
information as they can remember to the 
best of their ability. 
Any statement provided under 
paragraph (e)(2)(vi) must include an 
attestation that the employee is unable 
to produce another type of proof of 
vaccination (paragraph (e)(2)(vi)(B)). 
Thus, before an employee statement will 
be acceptable for proof of vaccination 
under paragraph (e)(2)(vi), the employee 
must have attempted to secure alternate 
forms of documentation via other means 
(e.g., from the vaccine administrator or 
their state health department) and been 
unsuccessful in doing so. The agency 
recognizes that securing vaccination 
documentation may be challenging for 
some members of the workforce, such as 
migrant workers, employees who do not 
have access to a computer, or employees 
who may not recall who administered 
their vaccines (e.g., if the vaccination 
was provided at a temporary location, 
such as a church, or during a state or 
local mass vaccination campaign). Thus, 
for employees who have no other means 
of obtaining proof of vaccination, the 
standard permits employers to accept 
attestations meeting the requirements in 
paragraph (e)(2)(vi) as proof of 
vaccination. However, employers 
should explain to their employees that 
they need to produce vaccination proof 
through the other means listed in 
paragraph (e)(2), such as by contacting 
the vaccination administrator, if they 
are able to do so. Once the employee has 
provided a signed and dated attestation 
that meets the requirements of 
paragraph (e)(2)(vi), the employer no 
longer needs to seek out one of the other 
forms of vaccination proof for that 
employee and, depending on the 
content of the attestation, the employer 
may consider that employee either fully 
or partially vaccinated for purposes of 
the ETS. 
Recently, there has been evidence of 
fraud associated with people attesting to 
their vaccination status (Bergal, 
September 16, 2021). While employers 
may not invite or facilitate fraud, the 
ETS does not require employers to 
monitor for or detect fraud. By defining 
what constitutes acceptable proof of 
vaccination under the ETS, OSHA is 
ensuring that employers can accept 
proof meeting the requirements of 
paragraph (e) for purposes of 
compliance with the standard. However, 
the standard’s requirements for proof of 
vaccination are integral to ensuring that 
employees are protected appropriately, 
either through vaccination (the 
preferred and most effective workplace 
control in this ETS), or through regular 
testing and use of face coverings. Thus, 
it is paramount that employees provide 
truthful information regarding their 
vaccination status. 
As discussed in more detail in the 
Summary and Explanation for 
paragraph (j) (Section VI.J. of this 
section), 18 U.S.C. 1001(a), which 
provides for fines or imprisonment of 
generally up to 5 years for any person 
who ‘‘in any matter within the 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
jurisdiction’’ of the executive branch 
U.S. Government ‘‘knowingly and 
willfully’’ engages in any of the 
following: 
(1) Falsifies, conceals, or covers up by 
any trick, scheme, or device a material 
fact; 
(2) makes any materially false, 
fictitious, or fraudulent statement or 
representation; or 
(3) makes or uses any false writing or 
document knowing the same to contain 
any materially false, fictitious, or 
fraudulent statement or entry. 
Similarly, the OSH Act recognizes 
that OSHA’s ability to protect workers’ 
safety and health hinges on truthful 
reporting. For that reason section 17(g) 
of the OSH Act subjects anyone who 
‘‘knowingly makes any false statement, 
representation, or certification in any 
application, record, report, plan, or 
other document filed or required to be 
maintained pursuant to this chapter’’ to 
criminal penalties. 29 U.S.C. 666(g). 
False statements made in any proof 
submitted under paragraph (e)(2) of the 
standard could fall under either or both 
of 18 U.S.C. 1001 or section 17(g) of the 
OSH Act. And by requiring a specific 
declaration about the truth and accuracy 
of employee statements provided under 
paragraph (e)(2)(vi), employees who are 
unable to provide any means of proof 
other than their own attestation are 
being made aware that their words are 
being held to the same standard of 
truthfulness as any other record 
presented for proof of vaccination. 
OSHA notes that these same 
prohibitions on false statements and 
documentation can apply to employers. 
If an employer knows that proof 
submitted by an employee is fraudulent, 
and even with this knowledge, accepts 
and maintains the fraudulent proof as a 
record of compliance with this ETS, it 
may be subject to the penalties in 18 
U.S.C. 1001 and 17(g) of the OSH Act. 
Paragraph (e)(3) provides the 
mechanism for employers to determine 
vaccination status for employees who 
do not submit any of the acceptable 
forms of proof of vaccination status. 
Under paragraph (e)(3), any employee 
who does not provide their employer 
with one of the acceptable forms of 
proof of vaccination status in paragraph 
(e)(2) must be treated as not fully 
vaccinated for the purpose of the 
standard. An unvaccinated employee 
does not need to provide any 
documentation regarding vaccination 
status under this ETS; however, failing 
to provide acceptable proof of 
vaccination status will signal the 
employer to consider the employee as 
not fully vaccinated and to note that as 
their status in the roster. For employers 
that include COVID–19 testing in their 
written policies under paragraph (d), 
employees without acceptable proof of 
vaccination status must submit to 
weekly tests (as required by paragraph 
(g)) and wear a face covering (as 
required by paragraph (i)). 
Paragraph (e)(4) requires the employer 
to maintain a record of each employee’s 
vaccination status and preserve 
acceptable proof of vaccination for each 
employee who is fully or partially 
vaccinated. As discussed previously, the 
employer has various options for 
acquiring proof of vaccination from each 
employee. An employer may allow 
employees to provide a digital copy of 
acceptable records, including, for 
example, a digital photograph, scanned 
image, or PDF of such a record that 
clearly and legibly displays the 
necessary vaccination information. 
However, to be in compliance with 
paragraph (e)(4), the employer must 
ensure they are able to maintain a 
record of each employee’s vaccination 
status. Therefore, obtaining an 
employee’s vaccination information 
verbally would not comply with 
paragraph (e)(2) or satisfy the record 
maintenance requirements of the 
standard. Similarly, the record 
maintenance requirements of paragraph 
(e)(4) cannot be fulfilled by an employee 
merely showing the employer their 
vaccination status (e.g., by bringing the 
CDC COVID–19 vaccination card to the 
workplace and showing it to an 
employer representative or showing an 
employer representative a picture of the 
immunization records on a personal 
cellphone). To satisfy paragraph (e)(4), 
the employer must retain a copy of the 
documentation. As mentioned above, 
some states and local governments 
utilize QR codes to facilitate proof of 
vaccination. This can be an acceptable 
form of proof for compliance with the 
standard so long as the employer retains 
a copy of the information retrieved by 
scanning the QR code and maintains 
that record. Required records of 
vaccination status can be maintained 
physically or electronically, but the 
employer must ensure they have access 
to the records at all times. 
In addition to obtaining and 
maintaining individual records of each 
employee’s vaccination status and 
preserving acceptable proof of 
vaccination for each employee who is 
partially or fully vaccinated, under 
paragraph (e)(4) the employer must 
maintain a roster of each employee’s 
vaccination status, subject to applicable 
confidentiality requirements. The roster 
must list all employees and clearly 
indicate for each one whether they are 
fully vaccinated, partially (not fully) 
vaccinated, not fully vaccinated because 
of a medical or religious 
accommodation (see Note to paragraph 
(d)), or not fully vaccinated because 
they have not provided acceptable proof 
of their vaccination status. As noted 
previously, any employee that has not 
provided acceptable proof of their 
vaccination status must be treated as not 
fully vaccinated. Although 
unvaccinated employees will not have 
proof of vaccination status, the standard 
requires the employer to include all 
employees, regardless of vaccination 
status, on the roster. 
The roster allows the employer to 
easily access the vaccination status for 
any employee quickly and easily. This 
will be useful should the employer need 
to respond to a request from an 
employee or employee representative 
for the aggregate number of fully 
vaccinated employees at a workplace 
(along with the total number of 
employees at that workplace), as 
required under paragraph (l)(2). 
Additionally, the roster will help the 
employer implement the written policy 
developed in accordance with 
paragraph (d) and comply with other 
requirements of the ETS. And finally, 
the roster, which must be provided to 
OSHA on request (paragraph (l)(3)), will 
aid OSHA’s ability to effectively and 
efficiently enforce this ETS. 
The records and roster required by 
paragraph (e)(4) are considered to be 
employee medical records and must be 
maintained as such records in 
accordance with 29 CFR 1910.1020 and 
must not be disclosed except as required 
or authorized by this ETS or other 
federal law, including the Americans 
with Disabilities Act (ADA), 42 U.S.C. 
12101 et seq. These records and roster 
are not subject to the retention 
requirements of 29 CFR 
1910.1020(d)(1)(i) but must be 
maintained and preserved while this 
ETS remains in effect. OSHA considers 
vaccination records required by 
paragraphs (e)(2) and (e)(4) of the ETS 
to be employee medical records 
concerning the health status of an 
employee and is requiring this 
personally identifiable medical 
information to be maintained in a 
confidential manner. OSHA notes that 
under paragraph (e)(4), vaccination 
records and rosters are employee 
medical records, and must be treated as 
employee medical records under 29 CFR 
1910.1020, without regard to whether 
the records satisfy the definition of 
employee medical record at 29 CFR 
1910.1020(c)(6)(i). 
Paragraph (e) in 29 CFR 1910.1020 
includes requirements for access to 
employee medical records by 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
employees, their designated 
representatives, and OSHA. However, as 
discussed in more detail below, 
paragraph (l) of the ETS includes 
specific timeframes within which 
employers must make vaccine records 
available to employees, OSHA, and 
other specified individuals. 
Accordingly, the timeframes for 
providing access to employee medical 
records in 29 CFR 1910.1020(e) do not 
apply, and employers must follow the 
specific timeframes set forth in 
paragraph (l) of the ETS for providing 
access to vaccination records. 
Additionally, 29 CFR 1910.1020(d) 
addresses the preservation of employee 
exposure and medical records. 
Paragraph (d)(1)(i) in section 1910.1020 
generally provides that unless a specific 
occupational safety and health standard 
provides a different period of time, each 
employer must preserve and maintain 
employee medical records for at least 
the duration of employment plus thirty 
(30) years. Paragraph (e)(4) of the ETS 
specifically provides that the 
vaccination records required by the ETS 
are not subject to the retention 
requirements of 29 CFR 
1910.1020(d)(1)(i). Instead, paragraph 
(e)(4) states that vaccination records 
must be maintained and preserved only 
so long as the ETS remains in effect. 
Finally, while the provisions on 
timeframes for access to records and the 
retention provisions of 29 CFR 
1910.1020 do not apply to vaccine 
records required by the ETS, other 
provisions in that regulation can still 
apply. For example, 29 CFR 
1910.1020(h) includes requirements for 
the transfer of employee medical 
records when an employer ceases to do 
business. 
OSHA recognizes the possibility that 
an employer may have already collected 
information about the vaccination status 
of employees, including proof of 
vaccination, prior to the effective date of 
this ETS. Under paragraph (e)(5), when 
an employer has ascertained employee 
vaccination status prior to the effective 
date of the ETS through another form of 
attestation or proof, and retained 
records of that ascertainment, the 
employer is exempt from the 
requirements in paragraphs (e)(1)–(e)(3). 
The exemption applies only for each 
employee whose fully vaccinated status 
has been documented prior to the 
effective date of the standard. For 
example, an employer may have asked 
each employee to self-report their 
vaccination status without requiring the 
employee to provide any form of proof. 
If that self-reporting was through oral 
conversation only, and not documented 
in some way, the employer is not 
considered to have retained records of 
that ascertainment for the purposes of 
this ETS. However, if, for example, the 
employer had the employees provide 
their vaccine information on a dated 
form, or through individual emails 
retained by the employer, or on an 
employer portal specifically created for 
employees to provide documentation 
status, or the employer created and 
retained some other means of 
documentation, the employer is 
considered to have retained records of 
ascertainment for the purposes of this 
ETS. Even if the record does not have 
all of the elements of the acceptable 
forms of proof listed in paragraph (e)(2), 
so long as the employer has ascertained 
employee vaccination status prior to the 
effective date of the ETS through 
another form of attestation or proof, and 
retained records of that ascertainment, 
the employer does not need to re- 
determine vaccination status (paragraph 
(e)(1)) or obtain proof of vaccination 
status (paragraph (e)(2)) for fully 
vaccinated employees. For purposes of 
paragraph (e)(4), the employer’s records 
of vaccination status for each employee 
whose fully vaccinated status was 
previously documented constitute 
acceptable proof of vaccination. 
However, the employer must still 
develop a roster of each employee’s 
vaccination status and include on that 
roster the employees for whom it had 
previously determined and retained 
records of vaccination status. OSHA 
notes that if the employer has not 
ascertained employee vaccination status 
for employees prior to the effective date 
of the ETS, then all requirements of 
paragraph (e) would apply. And all 
requirements of paragraph (e) also apply 
with respect to employees for whom the 
employer ascertained only partial 
vaccination status prior to the effective 
date of the ETS. 
References 
Bergal J. (2021, September 16). Fake Vaccine 
Card Sales Have Skyrocketed Since 
Biden Mandate. https://
www.pewtrusts.org/en/research-and- 
analysis/blogs/stateline/2021/09/16/ 
fake-vaccine-card-sales-have- 
skyrocketed-since-biden-mandate. 
(Bergal, September 16, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, October 5). Getting Your 
CDC COVID–19 Vaccination Record 
Card. https://www.cdc.gov/coronavirus/ 
2019-ncov/vaccines/vaccination- 
card.html. (CDC, October 5, 2021). 
New York State Government. (n.d.) Excelsior 
Pass and Excelsior Pass Plus. Retrieved 
October 4, 2021 from https://
covid19vaccine.health.ny.gov/excelsior- 
pass-and-excelsior-pass-plus. (New York 
State Government, n.d., Retrieved 
October 4, 2021). 
State of California. (n.d.) Frequently Asked 
Questions. Retrieved October 7, 2021 
from https://
myvaccinerecord.cdph.ca.gov/faq. (State 
of California, n.d., Retrieved October 7, 
2021). 
F. Employer Support for Employee 
Vaccination 
As discussed in the Summary and 
Explanation for paragraph (d) (Section 
VI.D. of this preamble), as well as in 
Grave Danger and Need for the ETS 
(Sections III.A. and III.B. of this 
preamble), vaccination is the single 
most efficient and effective method for 
protecting unvaccinated workers from 
the grave danger posed by COVID–19. 
This emergency temporary standard is 
therefore designed to strongly encourage 
vaccination. As discussed in detail 
below, paragraph (f) requires employers 
to support vaccination by providing 
employees reasonable time, including 
up to four hours of paid time, to receive 
each primary vaccination dose, and 
reasonable time and paid sick leave to 
recover from side effects experienced 
following each primary vaccination 
dose. For purposes of the requirements 
to support vaccination in paragraph (f), 
OSHA considers a vaccination series 
that meets the criteria in subparagraph 
(ii) of the definition of ‘‘fully- 
vaccinated’’ (i.e., a heterologous primary 
series of such vaccines, receiving doses 
of different COVID–19 vaccines as part 
of one primary series) to be a primary 
vaccination series, along with the 
primary vaccination described in 
subparagraph (i) of that definition (see 
the Summary and Explanation for 
paragraph (c), Section VI.C. of this 
preamble, for more information on the 
definition of fully vaccinated). 
Removing logistical barriers to 
obtaining vaccination is essential to 
increasing workforce vaccination rates, 
and one such barrier for many 
employees is their lack of time off of 
work to receive the vaccine and recover 
from any potential side effects (SEIU 
Healthcare, February 8, 2021). 
Employees’ concerns about missing 
work to obtain and recover from a 
COVID–19 vaccination dose are well 
documented. In a McKinsey survey, 
12% of respondents stated that the time 
spent away from work to get vaccinated 
or due to vaccine side effects was a 
barrier to vaccination (Azimi et al., 
April 9, 2021). In a survey conducted of 
unvaccinated adults in April 2021, a 
fifth of respondents said they were very 
or somewhat concerned that they may 
need to take time off to go and get the 
vaccine, and 48% of respondents said 
that they were very or somewhat 
concerned that they might miss work if 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
the vaccine side effects make them feel 
sick (KFF, May 6, 2021). Black and 
Hispanic adults were particularly 
worried about the potential time 
necessary to receive the vaccine and to 
recover from vaccine side effects; 64% 
of unvaccinated Hispanic adults and 
55% of unvaccinated Black adults 
expressed concern that they might have 
to miss work due to the side effects of 
a COVID–19 vaccine, and 30% of 
Hispanic adults and 23% of Black 
adults were concerned that they might 
need to take time off work to get a 
COVID–19 vaccine (KFF, May 6, 2021; 
KFF, May 17, 2021). News and journal 
articles further evince this concern (Roy 
et al., December 29, 2020; Cleveland 
Documenters, 2021; Rosenberg and 
Stein, August 18, 2021). 
This concern reflects the fact that 
many workers do not have access to 
paid time off to receive vaccination or 
to recover from side effects. A KFF 
survey found that only half of all 
workers reported that their employer 
provided them with paid time off either 
to get a COVID–19 vaccine or to recover 
from any side effects (KFF, June 30, 
2021). A subsequent KFF survey found 
that only about one-third of workers 
were sure that their employer offered 
them paid time off to get a COVID–19 
vaccine and recover from side effects 
(KFF, September 28, 2021). Although 
employee access to paid sick leave is 
less of a concern for employers with 100 
or more employees, approximately 12% 
of employees in these situations do not 
have paid sick leave (BLS, September 
2021) and in some cases, employees 
may have already exhausted paid sick 
leave they have received and would 
need additional time from their 
employers to recover from vaccine side 
effects. 
The scarcity of paid time off for 
vaccination and side effect recovery is 
particularly acute for certain 
demographic groups. The June 2021 
KFF survey found that only 38% of 
Black workers reported getting either 
paid time off to get a COVID–19 vaccine 
or to recover from side effects, and that 
only 41% of workers with household 
incomes less than $40,000 annually had 
access to such paid time off (KFF, June 
30, 2021). Similarly, the September 
2021 KFF survey found that lower-wage 
workers were particularly unlikely to 
report access to paid time off for 
vaccination or recovery, with only 23% 
of workers whose household incomes 
was less than $40,000 reporting that 
they could take paid time off to get 
vaccinated, and only 28% of that group 
reporting that they could take paid time 
off to recover from side effects (KFF, 
September 28, 2021). Lower-wage 
workers’ lack of access to paid time off 
for vaccination comports with a 
different report indicating that, before 
the pandemic, about 65% of the lowest- 
wage workers had no access to paid sick 
leave, meaning that any time off for 
vaccination or recovery would result in 
lost wages for those who can least afford 
those losses (BLS, September 2021). The 
need for paid time off to receive 
vaccination is also particularly 
important for workers with disabilities 
and workers in rural areas because 
travel to and from vaccination sites may 
take more time or be more logistically 
difficult for those populations (National 
Safety Council, 2021). 
Paying workers for the time spent to 
receive vaccination and to recover from 
side effects has proven to be an effective 
method for increasing vaccination rates. 
In June 2021, KFF found that 
approximately 75% of employed adults 
surveyed who received paid time off to 
get the vaccine or to recover from side 
effects had received at least one dose of 
the vaccine compared to only 51% of 
those surveyed who did not receive paid 
time off from their employer (KFF, June 
30, 2021). KFF also found that 
employees who are provided paid time 
off and are encouraged by their 
employers to get vaccinated are more 
likely to get vaccinated, even after 
controlling for demographic 
characteristics that may impact 
vaccination uptake (KFF, June 30, 2021). 
Another KFF survey found that 28% of 
unvaccinated respondents who did not 
want to get the vaccine as soon as 
possible said that they would be more 
likely to obtain vaccination if their 
employer gave them paid time off to get 
vaccinated and recover from any side 
effects (KFF, May 6, 2021). KFF has also 
found that increasing access to paid 
leave for vaccination or recovery from 
side effects can also help further reduce 
disparities in vaccination by age and 
income (KFF, September 28, 2021). 
In a different survey, paid time off for 
vaccination and the recovery period 
post-vaccination was the single most- 
influential action for encouraging 
employee vaccination, with 75% of 
respondents indicating that such paid 
time off would significantly or 
moderately increase the likelihood that 
they would get vaccinated (Azimi et al., 
April 9, 2021). Another survey of nearly 
9,000 service workers across large 
grocery, retail, food service, pharmacy, 
and delivery firms, found that 
vaccination rates were lower than other 
frontline workers who also regularly 
work in-person and indoors, and when 
employers supported and facilitated 
vaccination, such as through providing 
paid time off or paid sick leave for 
vaccination or for recovery from side 
effects, employee vaccination rates were 
higher than if no support was provided, 
and in May 2021, workers with paid 
sick leave were 15% more likely to have 
gotten the vaccine than workers without 
such leave (Bellew et al., June 2021). 
To address this barrier to vaccination, 
paragraph (f) requires employers to 
support COVID–19 vaccination by 
providing each employee with 
reasonable time, including up to four 
hours of paid time, to receive each 
primary vaccination dose, and 
reasonable time and paid sick leave to 
recover from side effects experienced 
following any primary vaccination dose. 
Providing this time is essential for all 
unvaccinated employees who are 
covered by this rule to ensure that they 
can receive primary vaccination dose(s) 
and recover from side effects without 
sacrificing pay or their jobs. In 
workplaces where employers implement 
a mandatory vaccination policy in 
accordance with paragraph (d)(1) of this 
rule, the requirements of paragraph (f) 
ensure that employees are able to 
comply with the mandatory vaccination 
policy without concern about missing 
work to do so. In workplaces where the 
employer opts out of implementing a 
mandatory vaccination policy in 
accordance with paragraph (d)(2), the 
requirements of paragraph (f) encourage 
employees to choose vaccination, and 
ensure that employees who choose to 
obtain vaccination, rather than be 
regularly tested for COVID–19 and wear 
a face covering in most situations when 
they work near others, are not penalized 
for making that choice. 
Paragraph (f)(1) requires employers to 
support COVID–19 vaccination for each 
employee by providing reasonable time 
to each employee during work hours for 
each of their primary vaccination 
dose(s), including up to four hours of 
paid time, at the employee’s regular rate 
of pay, for the purposes of vaccination. 
Reasonable time may include, but is not 
limited to, time spent during work 
hours related to the vaccination 
appointment(s), such as registering, 
completing required paperwork, all time 
spent at the vaccination site (e.g., 
receiving the vaccination dose, post- 
vaccination monitoring by the vaccine 
provider), and time spent traveling to 
and from the location for vaccination 
(including travel to an off-site location 
(e.g., a pharmacy), or situations in 
which an employee working remotely 
(e.g., telework) or in an alternate 
location must travel to the workplace to 
receive the vaccine). 
Employers are not, however, obligated 
by this ETS to reimburse employees for 
transportation costs (e.g., gas money, 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
train/bus fare, etc.) incurred to receive 
the vaccination. This could include the 
costs of travel to an off-site vaccination 
location (e.g., a pharmacy) or travel from 
an alternate work location (e.g., 
telework) to the workplace to receive a 
vaccination dose. 
Because employers are required to 
provide reasonable time for vaccination 
during work hours, if an employee 
chooses to receive a primary vaccination 
dose outside of work hours, employers 
are not required to grant paid time to the 
employee for the time spent receiving 
the vaccine during non-work hours. 
However, even if employees receive a 
primary vaccination dose outside of 
work hours, employers must still afford 
them reasonable time and paid sick 
leave to recover from side effects that 
they experience during scheduled work 
time in accordance with paragraph 
(f)(2). 
An employer may make other efforts 
to facilitate vaccination of its employees 
by, for example, hosting a vaccine clinic 
at the workplace (e.g., mobile trailer) or 
partnering with another entity, such as 
a pharmacy or healthcare provider, so 
that employees can be vaccinated at the 
workplace or at an off-site location. If an 
employer chooses to make the vaccine 
available to its employees, it must 
support full vaccination (i.e., provide all 
doses in a primary vaccination, as 
applicable), and assure the availability 
of reasonable time and paid time to each 
employee to receive the full primary 
vaccination, and reasonable time and 
paid sick leave to recover from side 
effects that they may experience. Any 
additional costs incurred by the 
employer to bring vaccination on-site 
would be covered by the employer, 
though such an approach would likely 
reduce the amount of paid time needed 
for vaccine administration (but not side 
effects) because of reduced employee 
travel time. 
Paragraph (f)(1) specifies that the 
amount of paid time that an employer 
is required to provide each employee to 
receive each primary vaccination dose is 
capped at four hours. OSHA has 
determined that four hours would 
provide reasonable time for most 
employees to get each vaccination dose. 
Vaccines are widely available to the 
public at clinics, pharmacies, and other 
locations across the country (see CDC, 
October 8, 2021). Providing four hours 
of paid time to receive each primary 
vaccination dose is consistent with 
OSHA’s presumption of the amount of 
time needed to receive a vaccination 
dose in the June 2021 Healthcare ETS 
(86 FR 32598), and with the U.S. Office 
of Personnel Management’s guidance to 
federal government agencies on the use 
of the emergency paid leave created for 
federal employees in the American 
Rescue Plan Act of 2021 (Public Law 
117–2), which encouraged agencies to 
offer up to four hours of administrative 
leave per dose to cover time spent 
getting a vaccine dose, plus additional 
time if reasonably necessary, instead of 
having employees use emergency paid 
leave (OPM, April 29, 2021). OSHA 
expects that most employees will need 
less than four hours to receive a 
vaccination dose. 
The maximum of four hours of paid 
time that employers must provide under 
paragraph (f)(1)(ii) for the 
administration of each primary 
vaccination dose cannot be offset by any 
other leave that the employee has 
accrued, such as sick leave or vacation 
leave. OSHA is concerned that 
employees forced to use their sick leave 
or vacation leave for vaccination would 
have a disincentive to gaining the health 
protection of vaccination. Employers 
must pay employees for up to four hours 
of time at the employee’s regular rate of 
pay. This may be achieved by paying for 
the time to be vaccinated as work hours 
for up to four hours. Requiring 
employers to pay for vaccine 
administration is consistent with 
OSHA’s normal approach of requiring 
employers to bear the costs of 
compliance with safety and health 
standards. 
OSHA understands that employees 
may need much less than four hours to 
receive a primary vaccination dose, for 
example, if vaccinations are offered on- 
site. However, OSHA also understands 
that, in some circumstances, an 
employee may need more than four 
hours to receive a primary vaccination 
dose, in which case the additional time, 
as long as it is reasonable, would be 
considered unpaid but protected leave. 
The employer cannot terminate the 
employee if they use a reasonable 
amount of time to receive their primary 
vaccination doses. The employee may 
use other leave time that they have 
available (e.g., sick leave or vacation 
time) to cover the additional time 
needed to receive a vaccination dose 
that would otherwise be unpaid. 
Paragraph (f)(2) also requires 
employers to support COVID–19 
vaccination for each employee by 
providing reasonable time and paid sick 
leave to recover from side effects 
experienced following any primary 
vaccination dose to each employee for 
each dose. The paid sick leave can be 
in the form of an employee’s accrued 
sick leave, if available. If the employee 
does not have available sick leave, leave 
must be provided for this purpose. 
Although some individuals 
experience no side effects from COVID– 
19 vaccination doses, the CDC has 
identified a range of side effects that 
other individuals may experience 
following a vaccination dose (CDC, 
April 2, 2021; CDC, September 30, 
2021). Side effects may affect 
individuals’ ability to engage in daily 
activities, are typically mild-to- 
moderate in severity, and usually go 
away in a few days. Common side 
effects include pain, redness, and 
swelling at the site of injection, and 
systemic side effects throughout the 
body, including tiredness, headache, 
muscle pain, chills, fever, and nausea. 
Side effects may be sufficiently severe to 
require the employee to take sick leave 
from work, but will rarely extend 
beyond a few days. One study found 
that ‘‘unanticipated paid administrative 
leave was only required for 4.9% and 
19.79% of individuals after the first and 
second doses of vaccine, respectively’’ 
(Levi et al., September 25, 2021). 
Employees would not typically be 
expected to need leave solely to address 
redness or swelling at the site of 
injection, but it is not uncommon for 
vaccine recipients to require some 
recovery time for many of the other side 
effects. The CDC notes, however, that 
cough, shortness of breath, runny nose, 
sore throat, or loss of taste or smell are 
not consistent with post-vaccination 
symptoms and instead may be 
symptoms of COVID–19 or another 
infection (CDC, April 2, 2021). 
If an employee already has accrued 
paid sick leave, an employer may 
require the employee to use that paid 
sick leave when recovering from side 
effects experienced following a primary 
vaccination dose. Additionally, if an 
employer does not specify between 
different types of leave (i.e., employees 
are granted only one type of leave), the 
employer may require employees to use 
that leave when recovering from 
vaccination side effects. If an employer 
provides employees with multiple types 
of leave, such as sick leave and vacation 
leave, the employer can only require 
employees to use the sick leave when 
recovering from vaccination side effects. 
Employers cannot require employees to 
use advanced sick leave to cover 
reasonable time needed to recover from 
vaccination side effects under paragraph 
(f)(2). An employer may not require an 
employee to accrue negative paid sick 
leave or borrow against future paid sick 
leave to recover from vaccination side 
effects. In other words, the employer 
cannot require an employee to go into 
the negative for paid sick leave if the 
employee does not have accrued paid 
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1 Azimi T et al. (2021, April 9). Getting to work: 
Employers’ role in COVID–19 vaccination. https:// 
www.mckinsey.com/industries/pharmaceuticals- 
and-medical-products/our-insights/getting-to-work- 
employers-role-in-covid-19-vaccination# (Azimi et 
al., April 9, 2021) 
sick leave when they need to recover 
from side effects experienced following 
a primary vaccination dose. Neither the 
paid time required to receive any 
vaccine dose(s) nor the paid sick leave 
required to recover from side effects 
experienced following any vaccination 
dose are retroactive requirements for 
vaccine dose(s) received prior to the 
promulgation of this ETS. 
Paragraph (f)(2) requires employers to 
provide reasonable time and paid sick 
leave to employees to recover from side 
effects experienced following a primary 
vaccination dose, but does not specify 
the amount of paid sick leave that the 
employer is required to provide for that 
purpose. Employers may set a cap on 
the amount of paid sick leave available 
to employees to recover from any side 
effects, but the cap must be reasonable. 
CDC notes that although some people 
have no side effects, side effects, if 
experienced, should go away in a few 
days (CDC, September 30, 2021). 
Another study found that the average 
unanticipated paid administrative leave 
required by individuals experiencing 
side effects was around two days (1.66 
days for the first dose and 1.39 days for 
the second dose) (Levi et al., September 
25, 2021). Generally, OSHA presumes 
that, if an employer makes available up 
to two days of paid sick leave per 
primary vaccination dose for side 
effects, the employer would be in 
compliance with this requirement. 
When setting the cap, an employer 
would not be expected to account for 
the unlikely possibility of the 
vaccination resulting in a prolonged 
illness in the vaccinated employee (e.g., 
a severe allergic reaction). 
OSHA is aware that other federal, 
state, or local laws, or collective 
bargaining agreements, may require 
employers to provide employees 
additional paid time for vaccination 
and/or paid sick leave to recover from 
vaccination side effects. Where such an 
overlap exists, the requirements of this 
standard are satisfied so long as the 
employer provides each employee 
reasonable time and four hours of paid 
time to receive each primary 
vaccination dose, and reasonable time 
and paid sick leave to recover from side 
effects experienced following a primary 
vaccination dose. 
References 
Azimi T et al. (2021, April 9). Getting to 
work: Employers’ role in COVID–19 
vaccination.1(Azimi et al., April 9, 2021) 
Bellew E et al. (2021, June). Half of service 
sector workers are not yet vaccinated for 
COVID–19: What gets in the way? The 
Shift Project: Research Brief. https://
shift.hks.harvard.edu/wp-content/ 
uploads/2021/06/Vax_Brief_6.28.21- 
2.pdf. (Bellew et al., June 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, April 2). Post-vaccination 
considerations for workplaces. https://
www.cdc.gov/coronavirus/2019-ncov/ 
community/workplaces-businesses/ 
vaccination-considerations-for- 
workplaces.html. (CDC, April 2, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 30). Possible 
side effects after getting a COVID–19 
vaccine. https://www.cdc.gov/ 
coronavirus/2019-ncov/vaccines/expect/ 
after.html. (CDC, September 30, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, accessed October 8). We 
can do this: Vaccines.gov website. 
https://www.vaccines.gov/. (CDC, 
October 8, 2021) 
Cleveland Documenters. (2021). Why some 
Clevelanders are still on the fence or not 
getting vaccinated: Voices on the 
vaccine. The Cleveland Observer. 
https://www.freshwatercleveland.com/ 
street-level/VaccineVoice050521.aspx. 
(Cleveland Documenters, 2021) 
Kaiser Family Foundation (KFF). (2021, May 
6). KFF COVID–19 Vaccine Monitor: 
April 2021. https://www.kff.org/ 
coronavirus-covid-19/poll-finding/kff- 
covid-19-vaccine-monitor-april-2021/. 
(KFF, May 6, 2021) 
Kaiser Family Foundation (KFF). (2021, May 
17). How employer actions could 
facilitate equity in COVID–19 
vaccinations. https://www.kff.org/policy- 
watch/how-employer-actions-could- 
facilitate-equity-in-covid-19- 
vaccinations/. (KFF, May 17, 2021) 
Kaiser Family Foundation (KFF). (2021, June 
30). KFF COVID–19 Vaccine Monitor: 
June 2021. https://www.kff.org/report- 
section/kff-covid-19-vaccine-monitor- 
june-2021-findings/. (KFF, June 30, 2021) 
Kaiser Family Foundation (KFF). (2021, 
September 28). KFF COVID–19 Vaccine 
Monitor: September 2021. https://
www.kff.org/coronavirus-covid-19/poll- 
finding/kff-covid-19-vaccine-monitor- 
september-2021/. (KFF, September 28, 
2021) 
Levi ML et al. (2021, September 25). COVID– 
19 mRNA vaccination, reactogenicity, 
work-related absences and the impact on 
operating room staffing: A cross- 
sectional study. Perioperative Care and 
Operating Room Management preprint. 
https://doi.org/10.1016/ 
j.pcorm.2021.100220. (Levi et al., 
September 25, 2021) 
National Safety Council. (2021). A Year in 
Review, and What’s Next: COVID–19 
Employer Approaches and Worker 
Experiences. https://www.nsc.org/ 
faforms/safer-year-one-final-report. 
(National Safety Council, 2021) 
Rosenberg E and Stein J. (2021, August 18). 
America’s failure to pay workers time off 
undermines vaccine campaign, 
according to surveys, policy experts. 
Washington Post. https://
www.washingtonpost.com/us-policy/ 
2021/08/16/paid-leave-covid-vaccine/. 
(Rosenberg and Stein, August 18, 2021) 
Roy B et al. (2020, December 29). Health Care 
Workers’ Reluctance to Take the COVID– 
19 Vaccine: A Consumer-Marketing 
Approach to Identifying and Overcoming 
Hesitancy.NEJM Catalyst. https://
catalyst.nejm.org/doi/pdf/10.1056/
CAT.20.0676. (Roy et al., December 29, 
2020) 
SEIU Healthcare. (2021, February 8). 
Research shows 81% of healthcare 
workers willing to take COVID–19 
vaccines but personal financial pressures 
remain a significant barrier for uptake. 
https://www.newswire.ca/news-releases/ 
research-shows-81-of-healthcare- 
workers-willing-to-take-covid-19- 
vaccines-but-personal-financial- 
pressures-remain-a-significant-barrier- 
for-uptake-888810789.html. (SEIU 
Healthcare, February 8, 2021) 
United States Bureau of Labor Statistics 
(BLS). (2021, September). National 
Compensation Survey: Employee 
Benefits in the United States, March 
2021. https://www.bls.gov/ncs/ebs/ 
benefits/2021/employee-benefits-in-the- 
united-states-march-2021.pdf. (BLS, 
September, 2021) 
United States Office of Personnel 
Management (OPM). (2021, April 29). 
American Rescue Plan: COVID–19 
Emergency Paid Leave for Federal 
Employees. https://chcoc.gov/sites/ 
default/files/ 
Attachment%205%20COVID– 
19%20Emergency%20Paid%20
Leave%20Questions%20
and%20Answers_0.pdf. (OPM, April 29, 
2021) 
G. COVID–19 Testing for Employees 
Who Are Not Fully Vaccinated 
Paragraph (g) of this ETS addresses 
employers’ obligations with respect to 
employees who are not fully vaccinated, 
including the requirement to ensure 
unvaccinated employees are tested for 
COVID–19. As explained in Need for the 
ETS (Section III.B. of this preamble), 
OSHA strongly prefers that employers 
implement written mandatory 
vaccination policies because that is the 
most effective and efficient workplace 
control available for preventing the 
spread of COVID–19. However, this ETS 
is also necessary to protect workers who 
remain unvaccinated through required 
regular testing, use of face coverings, 
and removal of infected employees from 
the workplace, and to protect other 
workers from the greater likelihood that 
unvaccinated workers may spread 
COVID–19 in the workplace. People 
who are unvaccinated are at increased 
risk of becoming infected with COVID– 
19 and are more likely to spread the 
disease when compared to people who 
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are fully vaccinated (CDC, September 
15, 2021). Additionally, people who are 
unvaccinated are more likely to 
experience severe clinical outcomes if 
they become infected than people who 
are vaccinated (Lopez Bernal et al., July 
21, 2021). Therefore, routine COVID–19 
testing of unvaccinated employees is 
necessary to identify employees with 
COVID–19 so they can be removed from 
the workplace to prevent transmission 
to other employees and to facilitate 
early medical intervention for infected 
employees when appropriate. 
Routine testing of unvaccinated 
employees is necessary regardless of 
whether the unvaccinated employees 
have symptoms because SARS–CoV–2 
infection is often attributable to 
asymptomatic and/or pre-symptomatic 
transmission (i.e., individuals who are 
not exhibiting symptoms) (Bender et al., 
February 18, 2021; Klompas, September 
2021; Johansson et al., January 7, 2021; 
Byambasuren et al., December 11, 2020). 
Although less effective and efficient 
than vaccination, the CDC has 
recognized regularly testing 
unvaccinated employees for COVID–19 
as a useful tool for identifying 
asymptomatic and/or pre-symptomatic 
infected individuals so that they can be 
isolated (CDC, May 4, 2021; CDC, 
October 7, 2021). In contrast, the CDC 
recommends that fully vaccinated 
employees with no symptoms and no 
known exposure should be exempt from 
routine testing programs (CDC, May 4, 
2021). Additional information about the 
risks of COVID–19 transmission in 
vaccinated and unvaccinated workers is 
discussed in Grave Danger (Section 
III.A. of this preamble). 
Testing for COVID–19 can broadly be 
divided into two categories: diagnostic 
testing and screening testing. The 
purpose of diagnostic testing is to 
identify current infection when a person 
has signs or symptoms consistent with 
COVID–19, or when a person is 
asymptomatic but has recent known or 
suspected exposure to SARS–CoV–2. 
The information provided by diagnostic 
testing can be used by a healthcare 
provider to diagnose or treat a patient. 
The purpose of screening testing is to 
identify infected people who are 
asymptomatic and do not have known, 
suspected, or reported exposure to 
COVID–19. Screening testing helps to 
identify unknown cases both so that 
measures can be taken to prevent further 
transmission to others (e.g., removal 
from the workplace and home isolation) 
and also to allow infected, but 
asymptomatic, people to begin medical 
treatment, as appropriate, so they can 
better avoid the most severe outcomes of 
COVID–19 (e.g., high risk individuals 
seeking monoclonal antibody treatment 
or anti-viral medication). Although the 
testing required in paragraph (g)(1) of 
this ETS is screening testing, both 
screening and diagnostic testing can 
help prevent the spread of COVID–19. 
Paragraph (g) does not preclude 
additional diagnostic testing if an 
employee shows signs or symptoms 
consistent with COVID–19 or has recent 
known or suspected exposure to SARS– 
CoV–2. 
Both screening and diagnostic testing 
involve the use of viral COVID–19 tests 
to detect current infection, as opposed 
to antibody COVID–19 tests, which are 
used to detect whether a person has 
antibodies for COVID–19. A positive 
antibody test indicates someone has 
antibodies to SARS–CoV–2, the virus 
that causes COVID–19, which could 
either be the result of a prior infection 
with the virus or vaccination against 
COVID–19 (FDA, May 19, 2021; CDC, 
September 10, 2021). Viral tests for 
current infection fall into two 
categories: Nucleic acid amplification 
tests (NAATs) and antigen tests. The 
Food and Drug Administration (FDA) 
(October 6, 2021) has issued a number 
of Emergency Use Authorizations 
(EUAs) for viral COVID–19 tests. It is 
important to note that OSHA’s 
definition of ‘‘COVID–19 test’’ requires 
that COVID–19 tests be cleared, 
approved, or authorized by the FDA and 
administered in accordance with 
authorized instructions, with the noted 
exception of not allowing tests that are 
both self-administered and self-read by 
the employee unless observed by the 
employer or an authorized telehealth 
proctor. In this regard, OSHA recognizes 
that it is within FDA’s authority and 
jurisdiction to help to assure the 
appropriate safety, efficacy, and 
accuracy of COVID–19 tests. The 
definition of ‘‘COVID–19 test’’ has 
previously been discussed in the 
Summary and Explanation for 
paragraph (c) (Section VI.C. of this 
preamble). Additional information 
about the type of COVID–19 tests that 
would satisfy the requirements of 
paragraph (g) are available in that 
section of this preamble. 
As explained above, the most effective 
and efficient workplace control for 
preventing the spread of COVID–19 is 
vaccination and OSHA strongly prefers 
that employers implement written 
mandatory vaccination policies. 
However, where employers have 
unvaccinated employees, regular 
COVID–19 screening tests are necessary 
so infected employees can be identified 
and removed from the workplace to 
prevent workplace transmission and to 
facilitate early medical intervention, 
when appropriate. In addition to being 
more likely to become infected with 
COVID–19, people who are 
unvaccinated are more likely to 
experience severe clinical outcomes 
from COVID–19 than fully vaccinated 
people (see Grave Danger, Section III.A. 
of this preamble). In a recent CDC 
Morbidity and Mortality Weekly Report 
(MMWR) out of Los Angeles County, the 
SARS–CoV–2 infection rate among 
unvaccinated persons was 4.9 times and 
the hospitalization rate was 29.2 times 
the rates among fully vaccinated 
persons (Griffin et al., August 27, 2021). 
As explained below, regular screening 
testing of individuals for COVID–19 is 
an effective method of identifying 
asymptomatic and pre-symptomatic 
infections. Screening testing of 
unvaccinated employees is necessary 
because symptom and temperature 
checks will miss both asymptomatic and 
pre-symptomatic infections, which is a 
serious problem because pre- 
symptomatic and asymptomatic 
transmission are significant drivers of 
the continued spread of COVID–19 
(Johansson et al., January 7, 2021). Once 
infected employees are identified, they 
can be removed from the workplace, 
thereby reducing virus transmission to 
other employees. 
Several studies have indicated that 
the time from exposure to becoming 
contagious for COVID–19 is shorter than 
the time for symptoms to develop 
(incubation period), meaning that 
individuals can transmit SARS–CoV–2 
before they begin to feel ill (i.e., pre- 
symptomatic transmission) (Nishiura et 
al., March 4, 2020; Tindale et al., June 
22, 2020). Pre-symptomatic individuals 
can transmit the virus to others before 
they know they are sick. These 
individuals should isolate but would 
not know to do so if they are unaware 
of their infection. It is also possible for 
individuals to be infected and 
subsequently transmit the virus without 
ever exhibiting symptoms. This is called 
asymptomatic transmission. A meta- 
analysis of 351 studies from January 1, 
2020, to April 2, 2021, estimated that 
42.8% of those infected with the SARS– 
CoV–2 virus exhibited no symptoms at 
the time of testing and so had either 
asymptomatic or pre-symptomatic 
infections (Sah et al., August 10, 2021). 
In another meta-analysis of studies, 
which included people of all ages at risk 
of contracting COVID–19 who were 
tested regardless of presence or absence 
of symptoms, seventeen percent of cases 
never developed symptoms during 
entire COVID–19 infection (i.e., 
asymptomatic infection). In those 
studies, a diagnosis was confirmed with 
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a positive result on a RT–PCR and all 
positive cases had a follow-up period of 
at least seven days to distinguish 
asymptomatic cases from pre- 
symptomatic cases (Byambasuren et al., 
December 11, 2020). In another study, 
researchers used a decision analytical 
model to assess the proportion of 
SARS–CoV–2 transmission from pre- 
symptomatic, never symptomatic, and 
symptomatic individuals in the 
community. Based on their modeling, 
they predicted that 59% of transmission 
came from asymptomatic transmission, 
including 35% from pre-symptomatic 
individuals and 24% from individuals 
who never develop symptoms 
(Johansson et al., January 7, 2021). 
The existence of pre-symptomatic and 
asymptomatic infections pose serious 
challenges to containing the spread of 
SARS–CoV–2. Although the risk of 
asymptomatic transmission is 42% 
lower than from symptomatic COVID– 
19 patients (Byambasuren et al., 
December 11, 2020), asymptomatic 
transmission may result in more 
transmissions than symptomatic cases 
because asymptomatic persons are less 
likely to be aware of their infection and 
can unknowingly continue to spread the 
disease to others (Sah et al., August 10, 
2021). The challenge of containing pre- 
symptomatic and asymptomatic SARS– 
CoV–2 transmission is amplified among 
unvaccinated individuals because, as 
explained above, they are more likely to 
become infected with COVID–19 in the 
first place. 
Because unvaccinated employees are 
at higher risk of COVID–19 infection 
and COVID–19 transmission among 
individuals without symptoms is a 
significant driver of the spread of 
COVID–19, OSHA has determined it is 
necessary to prevent the pre- 
symptomatic and asymptomatic 
transmission of COVID–19 from 
unvaccinated workers, through a 
requirement for weekly screening 
testing. Screening testing with antigen 
tests is a rapidly evolving and important 
tool that can be used to reduce the 
spread of SARS–CoV–2 in the 
workplace, particularly when coupled 
with other COVID–19 prevention and 
control measures (e.g., workplace 
removal of infected persons, proper use 
of face coverings) (Schulte et al., May 
19, 2021). The CDC recommends 
screening testing of unvaccinated 
asymptomatic workers as a useful tool 
to detect COVID–19 and stop 
transmission quickly. Screening testing 
is particularly useful in areas with 
moderate to high community 
transmission of COVID–19, which is 
currently the overwhelming majority of 
the United States (CDC, October 7, 
2021). In a study with a well-defined 
population of SARS–CoV–2 infected 
individuals, researchers found that 
frequent testing (i.e., at least twice per 
week) maximizes the likelihood of 
detecting infected individuals. 
However, even when used weekly, rapid 
antigen tests still had a 76% probability 
of detection (i.e., weekly rapid antigen 
tests correctly identified 76% of true 
positive infected COVID–19 
individuals) (Smith et al., September 15, 
2021). By identifying pre-symptomatic 
and asymptomatic unvaccinated 
employees, employers can remove them 
from the workplace to prevent those 
employees from spreading SARS–CoV– 
2 to other employees. More information 
about the removal requirements in this 
ETS is available in the Summary and 
Explanation for paragraph (h) (Section 
VI.H. of this preamble). 
Since the incubation period for 
COVID–19 can be up to 14 days, the 
CDC recommends that screening testing 
be conducted at least weekly in non- 
healthcare workplaces (CDC, October 7, 
2021; CDC, May 4, 2021). Other 
researchers also recognize the 
effectiveness of weekly screening testing 
to control surges of COVID–19 
infections (Larremore, January 1, 2021). 
Consequently, in workplaces with 
unvaccinated employees, OSHA has set 
the minimum frequency of testing 
unvaccinated workers at seven days 
because the agency expects that it will 
be effective in slowing the spread of 
COVID–19 in those workplaces, when 
used in tandem with face coverings 
(paragraph (i)) and removal of infected 
individuals (paragraph (h)). OSHA 
emphasizes that each of these infection 
controls provides some protection from 
COVID–19 by itself, but that they work 
best when used together, layering their 
protective impact to boost overall 
effectiveness. Although some studies 
have shown that more regular screening 
testing (e.g., twice weekly) would 
identify even more cases, OSHA has 
decided to require testing only on a 
weekly basis. This is in line with the 
CDC recommendations, and as noted 
above the evidence shows that this 
frequency is effective in detecting 
asymptomatic and pre-symptomatic 
cases. A more frequent testing schedule 
would result in significant additional 
costs, and OSHA is hesitant to impose 
these costs and depart from CDC 
recommendations without a fuller 
record generated through the benefit of 
notice and comment rulemaking. OSHA 
seeks comment on this issue. 
Nonetheless, it should be noted that 
nothing in this rule prevents screening 
testing from being conducted more 
frequently based on factors such as the 
level of community transmission, 
workplace experience with outbreaks, 
and type of workplace (e.g., specific 
workplace factors such as high volume 
retail or critical infrastructure sector). 
Early detection of COVID–19-positive 
employees through screening testing of 
unvaccinated employees also facilitates 
early medical intervention, when 
appropriate, to avoid the most severe 
health outcomes associated with 
COVID–19. Early effective treatment of 
disease can help avert progression to 
more serious illness, especially for 
patients at high risk of disease 
progression and severe illness, with the 
additional benefit of reducing the 
burden on healthcare systems (CDC, 
December 4, 2021). For example, anti- 
SARS–CoV–2 monoclonal antibodies 
have been shown to reduce the risk of 
hospitalization and death in the 
outpatient setting in those with mild to 
moderate COVID–19 symptoms and 
certain risk factors for disease 
progression. Treatment should be 
started as soon as possible after the 
patient receives a positive result on a 
COVID–19 test and within 10 days of 
symptom onset (NIH, September 24, 
2021). Any COVID–19 medical 
treatment should be used in accordance 
with a licensed healthcare provider. The 
screening tests required by this rule will 
facilitate such treatment. 
Pursuant to paragraph (g)(1)(i), 
covered employers must ensure that 
each employee who is not fully 
vaccinated and reports at least once 
every seven days to a workplace where 
other individuals (e.g., coworkers, 
customers) are present: (A) Is tested for 
COVID–19 at least once every seven 
days; and (B) provides documentation of 
the most recent COVID–19 test result to 
the employer no later than the 7th day 
following the date on which the 
employee last provided a test result. 
Employers must ensure these 
unvaccinated employees are tested at 
least once every seven calendar days, 
regardless of their work schedule. For 
example, an unvaccinated part-time 
employee who is scheduled to work 
only every Monday and Tuesday must 
still be tested at least once every seven 
days. Because employees must provide 
documentation of their most recent 
COVID–19 test results to their 
employers no later than the 7th day 
following the date on which they last 
provided a test result, employees may 
want to set a schedule for their testing 
(e.g., get a COVID–19 test every 
Wednesday). A consistent testing day 
may help employees ensure their 
documentation is provided every seven 
calendar days. 
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Paragraph (g)(1)(ii) addresses 
situations where an employee does not 
report to a workplace where other 
individuals, such as coworkers or 
customers, are present during a period 
of seven or more days (e.g., when an 
employee is teleworking for an extended 
period of time). In such cases, the 
employer must ensure the employee is 
tested for COVID–19 within seven days 
prior to returning to the workplace and 
provides documentation of that test 
result to the employer upon return to 
the workplace. For example, if an 
unvaccinated office employee has been 
teleworking for two weeks but must 
report to the office, where other 
employees will be present (e.g., 
coworkers, security officers, mailroom 
workers), on a specific Monday to copy 
and fax documents, that employee must 
receive a COVID–19 test within the 
seven days prior to the Monday and 
provide documentation of that test 
result to the employer upon return to 
the workplace. The employee’s test 
must occur within the seven days before 
the Monday the employee is scheduled 
to report to the office, but it also must 
happen early enough to allow time for 
the results to be received before 
returning to the workplace. Similarly, 
unvaccinated new hires would need to 
be tested for COVID–19 within seven 
days prior to reporting to a workplace 
where other employees will be present 
and provide documentation of their test 
results no later than arrival on their first 
day of work. Since point-of-care testing 
that uses an antigen test allows for 
results within minutes, OSHA does not 
expect that scheduling tests or 
providing results to employers will be 
an impediment. 
OSHA chose the seven-day period for 
employees returning to work after more 
than a week away from the workplace 
based on the evidence noted above 
about the effectiveness of testing at 
seven-day intervals. While it considered 
using a shorter time period in this 
situation, OSHA concluded that it 
would be less confusing for employers 
to use a uniform time period for both 
situations. OSHA was concerned that 
requiring different time periods in the 
two situations would cause confusion 
among both employees and supervisors 
implementing the program that would 
undermine the effectiveness of the 
testing scheme. OSHA seeks comment 
on this issue. 
An employer has some discretion 
regarding how to satisfy its obligations 
under paragraph (g)(1), but those 
policies and procedures must be 
detailed in the employer’s written 
policy pursuant to paragraph (d)(2) of 
this ETS. For example, the employer 
must specify how testing will be 
conducted (e.g., testing provided by the 
employer at the workplace, employees 
independently scheduling tests at point- 
of-care locations, etc.). The employer 
must also specify in their policy how 
employees should provide their COVID– 
19 test results to the employer (e.g., an 
online portal, to the human resources 
department). The Summary and 
Explanation for paragraph (d) (Section 
VI.D. of this preamble) provides 
additional information regarding the 
requirements of paragraph (d)(2) of this 
ETS. Test results given to the employer 
must contain information that identifies 
the worker (i.e., full name plus at least 
one other identifier, such as date of 
birth), the specimen collection date, the 
type of test, the entity issuing the result 
(e.g., laboratory, healthcare entity), and 
the test result. 
If an employer is notified that an 
employee has a positive screening test, 
the employer must remove that 
employee from the workplace pursuant 
to paragraph (h)(2) of this ETS. The 
employee should quarantine and the 
employer must not allow the employee 
to return to the workplace until they 
meet the requirements in paragraphs 
(h)(2)(i) through (iii). More discussion of 
employee notification to their employer 
of a COVID–19 positive status and 
removal requirements is available in the 
Summary and Explanation for 
paragraph (h) (Section VI.H. of this 
preamble). 
OSHA expects that most screening 
testing will be antigen testing that is 
conducted at point-of-care locations due 
to the reduced cost and faster processing 
time when compared to NAAT testing 
in laboratories. Most NAATs need to be 
processed in a laboratory with variable 
time to results (approximately 1–2 
days). In contrast, most antigen tests can 
be processed at the point of care with 
results available in about 15–30 minutes 
(CDC, October 7, 2021). Rapid point-of- 
care tests are administered in various 
settings, such as: Physician offices, 
urgent care facilities, pharmacies, 
school health clinics, workplace health 
clinics, long-term care facilities and 
nursing homes, and at temporary 
locations, such as drive-through sites 
managed by local organizations. As 
explained above, COVID–19 tests that 
are both self-administered and self-read 
do not meet the definition of ‘‘COVID– 
19 test’’ in this ETS (unless observed by 
the employer or an authorized 
telehealth proctor) and therefore do not 
satisfy the testing requirements of 
paragraph (g). 
Because antigen testing in point-of- 
care locations will typically produce 
results within minutes, the use of 
antigen testing should not result in an 
inability to provide the employer with 
test results in a timely fashion. 
However, the agency recognizes that 
where the employee or employer uses 
an off-site laboratory for testing, there 
may be delays beyond the employee’s or 
employer’s control. In the event that 
there is a delay in the laboratory 
reporting results and the employer 
permits the employee to continue 
working, OSHA will look at the pattern 
and practice of the individual employee 
or the employer’s testing verification 
process and consider refraining from 
enforcement where the facts show good 
faith in attempting to comply with the 
standard. 
OSHA has determined that employers 
may use pooling procedures to satisfy 
the requirements of screening testing 
under paragraph (g)(1). Pooling (also 
referred to as pool testing or pooled 
testing) means combining the same type 
of specimen from several people and 
conducting one laboratory test on the 
combined pool of specimens to detect 
SARS–CoV–2 (e.g., four samples may be 
tested together, using only the resources 
needed for a single test). The advantages 
of pooling include preserving testing 
resources, reducing the amount of time 
required to test large numbers of 
specimens (increasing throughput), and 
lowering the overall cost of testing 
(CDC, June 30, 2021). 
If pooling procedures are used and a 
pooled test result comes back negative, 
then all the specimens can be presumed 
negative with the single test. In other 
words, all of the employees who 
provided specimens for that pool test 
can be assumed to have a negative test 
result for SARS–CoV–2 infection. 
Therefore, documentation of the 
negative pooled test result would satisfy 
the paragraph (g)(1) documentation 
requirement for each employee in the 
pool and no additional testing is 
necessary. However, if the pooled test 
result is positive, immediate additional 
testing would be necessary to determine 
which employees are positive or 
negative. Each of the original specimens 
collected in the pool must be tested 
individually to determine which 
specimen(s) is (are) positive. If original 
specimens from the workers in a pooled 
test with a positive result are 
insufficient to be subsequently tested 
individually, those workers in the 
positive pool would need to be 
immediately re-swabbed and tested. The 
individual employee test results would 
be necessary to satisfy the employee 
documentation requirements of 
paragraph (g)(1). Where pooled testing is 
used (in accordance with paragraph 
(g)(1)), CDC and FDA procedures and 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
recommendations for implementing 
screening pooled tests should be 
followed (CDC, June 30, 2021; FDA, 
August 24, 2020). OSHA notes that only 
some tests are authorized for pooled 
testing, and should be performed per the 
authorization. 
In a note to paragraph (g)(1), OSHA 
explains that this section does not 
require the employer to pay for any 
costs associated with testing. As 
explained in Pertinent Legal Authority, 
Section II. of this preamble, the OSH 
Act authorizes OSHA to require 
employers to bear the costs of 
compliance with occupational safety 
and health standards, but OSHA has 
discretion to decide whether to impose 
certain costs—such as those related to 
medical examinations or other tests—on 
employers ‘‘[w]here [it determines that 
such costs are] appropriate.’’ 29 U.S.C. 
655(b)(7). OSHA has commonly 
required employers to bear the costs of 
compliance with standards as a cost of 
doing business, including requiring 
employers to bear the costs of medical 
examinations and procedures (see, e.g., 
29 CFR 1910.1018(n)(1)(i) (inorganic 
arsenic standard requires employers to 
ensure that medical examinations and 
procedures are provided ‘‘without cost 
to the employee’’); see also United 
Steelworkers, 647 F.2d at 1229–31 
(discussing Lead standard’s medical 
removal provisions and OSHA’s 
authority for imposing cost of medical 
removal on employers)). Requiring 
employers to bear the costs of 
compliance makes it more likely that 
employees will take advantage of 
workplace protections (see 86 FR 
32605). For example, employees are 
more likely to use personal protective 
equipment (PPE) when employers 
provide the PPE to their employees at 
no cost (see 72 FR 64342, 64344). 
In this ETS, OSHA has largely 
required employers to bear the costs of 
compliance, including the typical costs 
associated with vaccination, but has 
determined that it would not be 
appropriate to impose on employers any 
costs associated with COVID–19 testing 
for employees who choose not to be 
vaccinated. As explained in Need for 
the ETS, Section III.B. of this preamble, 
this ETS is designed to strongly 
encourage vaccination because 
vaccination is the most efficient and 
effective control for protecting 
unvaccinated workers from the grave 
danger posed by COVID–19. COVID–19 
testing is only required under the ETS 
where an employee has made an 
individual choice to forgo vaccination 
and pursue a less protective option. 
Given the superior protectiveness of 
vaccination, and OSHA’s intent for this 
ETS to strongly encourage vaccination, 
requiring employers to bear the costs of 
COVID–19 testing would be counter- 
productive. As mentioned above, 
requiring employers to pay for 
workplace protections makes it more 
likely that employees will take 
advantage of that protection, and in this 
ETS, OSHA intends to strongly 
encourage employees to choose 
vaccination, not regular COVID–19 
testing. Because employees who choose 
to remain unvaccinated will generally 
be required to pay for their own COVID– 
19 testing, this standard creates a 
financial incentive for those employees 
to become fully vaccinated and avoid 
that cost. 
Although this ETS does not require 
employers to pay for testing, employer 
payment for testing may be required by 
other laws, regulations, or collective 
bargaining agreements or other 
collectively negotiated agreements. This 
section also does not prohibit the 
employer from paying for costs 
associated with testing required by 
paragraph (g)(1) of this section. 
Otherwise, the agency leaves the 
decision regarding who pays for the 
testing to the employer. Because OSHA 
does not specify who pays for the 
testing, OSHA expects that some 
workers and/or their representatives 
will negotiate the terms of payment. 
OSHA has also considered that some 
employers may choose to pay for some 
or all of the costs of testing as an 
inducement to keep employees in a tight 
labor market. Other employers may 
choose to put the full cost of testing on 
employees in recognition of the 
employee’s decision not to become fully 
vaccinated. It is also possible that some 
employers may be required to cover the 
cost of testing for employees pursuant to 
other laws or regulations. OSHA notes, 
for instance, that in certain 
circumstances, the employer may be 
required, under the Fair Labor 
Standards Act, to pay for the time it 
takes an employee to be tested (e.g., if 
employee testing is conducted in the 
middle of a work shift). The subject of 
payment for the costs associated with 
testing pursuant to other laws or 
regulations not associated with the OSH 
Act is beyond OSHA’s authority and 
jurisdiction. As explained in a note to 
paragraph (d) of this ETS, under various 
anti-discrimination laws, workers who 
cannot be tested because of a sincerely 
held religious belief may ask for a 
reasonable accommodation from their 
employer. For more information about 
evaluating requests for reasonable 
accommodation for a sincerely held 
religious belief, employers should 
consult the Equal Employment 
Opportunity Commission’s website: 
https://www.eeoc.gov/wysk/what-you- 
should-know-about-covid-19-and-ada- 
rehabilitation-act-and-other-eeo-laws. 
Pursuant to paragraph (g)(2), if an 
employee does not provide the result of 
a COVID–19 test as required by 
paragraph (g)(1), the employer must 
keep the employee removed from the 
workplace until the employee provides 
a test result. This provision is 
imperative because workers with 
asymptomatic or pre-symptomatic 
SARS–CoV–2 infection are significant 
contributors to COVID–19 transmission, 
and screening testing will help to 
identify and remove those individuals 
from the workplace. Employees 
providing accurate and weekly test 
results to their employer is of utmost 
importance for preventing and reducing 
the transmission of COVID–19 in the 
workplace. 
Paragraph (g)(3) provides that when 
an employee has received a positive 
COVID–19 test, or has been diagnosed 
with COVID–19 by a licensed healthcare 
provider, the employer must not require 
that employee to undergo COVID–19 
testing for 90 days following the date of 
their positive test or diagnosis. This 
provision is specifically intended to 
prohibit screening testing for 90 days 
because of the high likelihood of false 
positive results that do not indicate 
active infection but are rather a 
reflection of past infection. Studies of 
patients who were hospitalized and 
recovered indicate that SARS–CoV–2 
RNA can be detected in upper 
respiratory tract specimens for up to 
three months (90 days) after symptom 
onset (CDC, August 2, 2021; CDC, 
September 14, 2021). If employees were 
to be subjected to screening tests in such 
a situation it would both undermine the 
confidence in the COVID–19 screening 
tests and could result in a harm to the 
worker of being unnecessarily removed 
from the workplace and subjected to the 
additional burden of unnecessary tests. 
Where employers implement a 
vaccination policy that allows 
employees to choose to provide proof of 
regular testing and wear a face covering 
rather than getting vaccinated, the 
employer’s policy and procedures to 
implement this temporary suspension of 
testing must be included in their written 
workplace policy as required by 
paragraph (d)(2) of this ETS. 
Paragraph (g)(4) provides that the 
employer must maintain a record of 
each test result required to be provided 
by each employee under paragraph 
(g)(1) of this ETS or obtained during 
tests conducted by the employer. These 
records must be maintained in 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
accordance with 29 CFR 1910.1020 as 
an employee medical record and must 
not be disclosed except as required by 
this ETS or other federal law. However, 
these records are not subject to the 
retention requirements of 29 CFR 
1910.1020(d)(1)(i) (Employee medical 
records), but must be maintained and 
preserved while this ETS remains in 
effect. 
Additionally, paragraph (l) of this ETS 
includes specific timeframes for 
providing access to records, including 
the COVID–19 test results required by 
paragraph (g)(1). As a result, the 
timeframes for providing access to 
employee medical records in 29 CFR 
1910.1020(e) do not apply. Instead, 
when providing access to an employee, 
anyone with written authorized consent 
from that employee, and OSHA, 
employers must follow the access 
timeframes set forth in paragraph (l) of 
this ETS. The Summary and 
Explanation for paragraph (l) (Section 
VI.L. of this preamble) contains 
additional information about accessing 
records gathered pursuant to paragraph 
(g)(1). 
Finally, while the access timeframes 
in 29 CFR 1910.1020(e) and retention 
requirements of 29 CFR 
1910.1020(d)(1)(i) do not apply to test 
result records required by this ETS, the 
other provisions in 29 CFR 1910.1020 
do apply. For example, 29 CFR 
1910.1020(h) includes requirements for 
the transfer of employee medical 
records when an employer ceases to do 
business. Like the vaccine records 
required by paragraph (e)(4) of this ETS, 
and because they concern the health 
status of an employee, test result records 
required by paragraph (g)(1) are 
employee medical records for purposes 
of 29 CFR 1910.1020. These test result 
records contain personally identifiable 
medical information and must be 
maintained in a confidential manner. 
The Summary and Explanation for 
paragraph (e) (Section VI.E. of this 
preamble) contains additional 
information about the interplay between 
this ETS and OSHA’s regulation at 29 
CFR 1910.1020. 
References 
Bender et al., (2021, February 18). Analysis 
of Asymptomatic and Presymptomatic 
Transmission in SARS–CoV–2 Outbreak, 
Germany, 2020. https://wwwnc.cdc.gov/ 
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et al., February 18, 2021). 
Byambasuren O et al. (2020, December 11). 
Estimating the extent of asymptomatic 
COVID–19 and its potential for 
community transmission: Systematic 
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coronavirus/2019-ncov/symptoms- 
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(CDC). (2021, September 10). Using 
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September 10, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, September 14). Ending 
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COVID–19: Interim Guidance. https://
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hcp/duration-isolation.html. (CDC, 
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(CDC). (2021, September 15). Science 
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(CDC, September 15, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, October 7) Interim 
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community/organizations/testing-non-
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Food and Drug Administration (FDA). (2020, 
August 24). Pooled Sample Testing and 
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24, 2020). 
Food and Drug Administration (FDA). (2021, 
May 19). Antibody Testing Is Not 
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Immunity After COVID–19 Vaccination: 
FDA Safety Communication. https://
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devices/in-vitro-diagnostics-euas. (FDA, 
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Griffin JB et al. (2021, August 27). SARS– 
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Nishiura H et al. (2020, March 4). Serial 
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Sah P et al. (2021, August 10). Asymptomatic 
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pnas.2109229118. (Sah et al., August 10, 
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Schulte P et al. (2021, May 19). Proposed 
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Smith R et al. (2021, September 15). 
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(Smith et al., September 15, 2021). 
Tindale LC et al. (2020, June 22). Evidence 
for transmission of COVID–19 prior to 
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eLife.57149. (Tindale et al., June 22, 
2020). 
H. Employee Notification to Employer of 
a Positive COVID–19 Test and Removal 
Employers can substantially reduce 
disease transmission in the workplace 
by removing employees who are 
confirmed to have COVID–19 based on 
a COVID–19 test or diagnosis by a 
healthcare provider. It is necessary that 
employees who are confirmed to have 
COVID–19 be removed from the 
workplace to prevent transmission to 
other employees. Several studies have 
focused on the impact of isolating 
persons with COVID–19 from others 
during their likely known infectious 
period, and those studies show that 
isolation is a strategy that reduces the 
transmission of infections. For example, 
Kucharski et al. (2020) found that 
transmission of SARS–CoV–2 would 
decrease by 29% with self-isolation 
within the household, which would 
extend to 37% if the entire household 
quarantined. Similarly, Wells et al. 
(2021) found that isolation of 
individuals at symptom onset would 
decrease the reproductive rate (R0) of 
COVID–19 from 2.5 to 1.6. Lastly, 
Moghadas et al. (2020) reported results 
that highlight the role of silent 
transmission, from a combination of the 
pre-symptomatic stage and 
asymptomatic infections, as the primary 
driver of COVID–19 outbreaks and 
underscore the need for mitigation 
strategies, including those that detect 
and isolate infectious individuals prior 
to the onset of symptoms. Isolating 
contagious employees from their co- 
workers can prevent further spread at 
the workplace and safeguard the health 
of other employees. 
Paragraph (h) provides that employers 
must require each employee to promptly 
notify the employer when the employee 
receives a positive COVID–19 test or is 
diagnosed with COVID–19 by a licensed 
healthcare provider. This notification 
must occur regardless of employee 
vaccination status. As discussed in 
Grave Danger (Section III.A. of this 
preamble), exposure to SARS–CoV–2 in 
the workplace presents a grave danger to 
employees; removing those who are 
confirmed to have COVID–19 from the 
workplace mitigates that grave danger. 
This is true even for fully vaccinated 
employees since they also have the 
potential to transmit COVID–19 to other 
individuals, including other employees. 
Because the goal of this ETS, and the 
notification requirements in this 
paragraph, is to reduce transmission of 
COVID–19 in the workplace, employees 
are required to notify the employer of 
any COVID–19 positive test or diagnosis 
that they receive, not just positive 
results that are received from testing 
required under paragraph (g) of this 
ETS. 
Paragraph (h)(1) states that the 
employer must require each employee 
who is COVID–19 positive to notify the 
employer of their COVID–19 test result 
or diagnosis ‘‘promptly.’’ For employees 
who are not at the workplace when they 
receive a positive COVID–19 test result 
or diagnosis, ‘‘promptly’’ notifying the 
employer means notifying the employer 
as soon as practicable before the 
employee is scheduled to start their 
shift or return to work. In the event that 
the employee is in the workplace when 
they receive a positive COVID–19 test 
result or diagnosis of COVID–19, 
‘‘promptly’’ notifying the employer 
means notifying the employer as soon as 
safely possible while avoiding exposing 
any other individuals in the workplace. 
The employer should establish 
notification procedures and inform 
employees about these procedures (see 
paragraph (j)(1)), so that employees are 
aware of the appropriate method for 
providing this notification to their 
employer. These notification procedures 
can be based on the employer’s current 
protocols for employees to notify the 
employer if they are not able to come to 
work or need to leave work because of 
illness or injury. However the employer 
chooses to implement its notification 
procedures, it must ensure that an 
employee notification of a positive 
COVID–19 test or diagnoses results in 
the employee’s immediate removal from 
the workplace, as required under 
paragraph (h)(2). For example, the 
employer may require employees to 
report any positive COVID–19 test or 
diagnosis to a company supervisor with 
the authority to temporarily remove the 
employee from the workplace. If an 
employer takes all steps required under 
this paragraph but an employee fails to 
report required information, the ETS 
does not dictate that any disciplinary 
action be taken against the employee. If 
an employer is cited by OSHA under 
this provision under such 
circumstances, the employer is entitled 
to contest the citation if it can establish 
an employee misconduct defense in 
accordance with applicable case law. 
The notification requirement in 
paragraph (h)(1) is an important 
measure to ensure employers can take 
adequate steps to protect their 
employees from the hazard of COVID– 
19 because it is connected to a parallel 
requirement in paragraph (h)(2) to 
remove, from the workplace, any 
employee who receives a positive 
COVID–19 test or is diagnosed with 
COVID–19. It is important to remove 
employees who test positive or are 
diagnosed with COVID–19 from the 
workplace as soon as possible to prevent 
the transmission of COVID–19 to other 
employees. Therefore, the requirement 
that employees promptly inform their 
employer of a positive COVID–19 test 
result or COVID–19 diagnosis is 
necessary because this information 
allows the employer to take actions to 
protect other employees, including most 
critically by removing employees whose 
illness poses a direct threat of infection 
to other employees in the workplace. 
Paragraph (h)(2) requires employers to 
immediately remove from the workplace 
any employee, regardless of vaccination 
status, who receives a positive COVID– 
19 test or is diagnosed with COVID–19 
by a licensed healthcare provider. 
OSHA determined that directing an 
employee who tests positive or is 
diagnosed with COVID–19 to stay home 
until return to work criteria are 
achieved is critical to preventing the 
transmission of COVID–19 in the 
workplace. Similar to the notification 
required in paragraph (h)(1), this 
removal must occur regardless of 
employee vaccination status since 
someone who is fully vaccinated can 
still transmit COVID–19 to others, 
including other employees (see Grave 
Danger, Section III.A. of this preamble). 
OSHA notes that, in most 
circumstances, any positive COVID–19 
test would result in removal. However, 
this is not necessarily the case where an 
employer uses pooled COVID–19 
testing, a method where one laboratory 
test is conducted using the specimens of 
several people to detect the virus that 
causes COVID–19 (CDC, June 30, 2021). 
If an employer conducts pooled testing 
for COVID–19, a positive pooled test 
result would trigger a need to 
immediately re-test those employees in 
the pool using an individual COVID–19 
test because the positive pooled result 
would not satisfy the requirements of 
paragraph (g). Only those employees 
who test positive on their individual re- 
test would need to be removed from the 
workplace. 
OSHA intends ‘‘removal’’ under 
paragraph (h)(2) to refer only to the 
temporary removal from the workplace 
of an employee while that employee is 
infectious. The requirement in 
paragraph (h)(2) to temporarily remove 
a COVID–19 positive employee from the 
workplace does not mean permanent 
removal of an employee from their 
position. Any time an employee is 
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required to be removed from the 
workplace under paragraph (h)(2) of this 
section, the employer can require the 
employee to work remotely or in 
isolation if suitable work is available 
and if the employee is not too ill to 
work. In cases where working remotely 
or in isolation is not possible, OSHA 
encourages employers to consider 
flexible and creative solutions, such as 
a temporary reassignment to a different 
position that can be performed by 
telework. However, if an employee is 
too ill to work, remote work should not 
be required, and sick leave or other 
leave should be made available as 
consistent with the employer’s general 
policies and practices, and as may be 
required under applicable laws. 
After an employee has been removed 
from the workplace as required by 
paragraph (h)(2), the employer must 
ensure that they do not return to the 
workplace until the employee meets one 
of three criteria outlined in paragraphs 
(h)(2)(i) through (h)(2)(iii). The purpose 
of these provisions is to ensure that an 
employee who has COVID–19 does not 
return to work until the risk that they 
will transmit the disease to others in the 
workplace has been minimized. Each of 
these provisions is based on the best 
scientific evidence available on when a 
person with COVID–19 is no longer 
likely to transmit the virus. 
Under paragraph (h)(2)(i), the 
employee can return to work if they 
receive a negative result on a COVID–19 
nucleic acid amplification test (NAAT) 
following a positive result on a COVID– 
19 antigen test (the most common 
screening test). There is a small 
possibility for employees to receive false 
positive test results when conducting 
regular screening with an antigen test. 
Positive results are usually highly 
accurate at moderate-to-high peak viral 
load, but false positives can occur, 
depending on the course of infection 
(FDA, April 2021). OSHA recognizes 
that an employee might choose to seek 
a NAAT test for confirmatory testing. 
NAATs are considered the ‘‘gold 
standard’’ for clinical diagnosis of 
SARS–CoV–2 and may have a higher 
sensitivity (i.e., ability to correctly 
generate a positive result) than antigen 
tests (CDC, September 9, 2021). If an 
employee tested positive for COVID–19 
via an antigen test, but then received 
follow-up confirmatory testing via a 
NAAT and the NAAT was negative, the 
positive antigen test can be considered 
a false positive and the employee can 
return to work (CDC, September 9, 
2021). For a more detailed discussion of 
COVID–19 tests, see the Summary and 
Explanation for paragraph (c) (Section 
VI.C. of this preamble). 
The employee may also return to 
work if they meet the return to work 
criteria in CDC’s ‘‘Isolation Guidance’’ 
(incorporated by reference, § 1910.509) 
(CDC, February 18, 2021) as described 
in paragraph (h)(2)(ii). CDC’s guidance 
states that a COVID–19 positive person 
can stop isolating when three criteria 
are met: (1) At least ten days have 
passed since the first appearance of the 
person’s symptoms; (2) the person has 
gone at least 24 hours without a fever 
(without the use of fever-reducing 
medication); and (3) the person’s other 
symptoms of COVID–19 are improving 
(excluding loss of taste and smell). If a 
person has tested positive but never 
experiences symptoms, then the person 
can stop isolating after ten days from the 
date of their positive test. These 
recommendations are based on 
scientific evidence reviewed by CDC, 
which indicates that levels of viral RNA 
in upper respiratory tract samples begin 
decreasing after the onset of symptoms 
(CDC, September 14, 2021). The 
rationale for including CDC’s ‘‘Isolation 
Guidance’’ in the ETS was addressed in 
detail in Need for Specific Provisions in 
the agency’s prior rulemaking on 
1910.502 (see 86 FR 32376, 32455). 
Finally, the employee may return to 
work, per paragraph (h)(2)(iii), if the 
employee receives a return-to-work 
recommendation from a licensed 
healthcare provider. The appropriate 
duration of removal from work for any 
given individual may differ depending 
on factors such as disease severity or the 
health of the employee’s immune 
system. For this reason, the ETS permits 
employers to make decisions about an 
employee’s return to work in 
accordance with guidance from a 
licensed healthcare provider (who 
would be better acquainted with a 
particular employee’s condition). If a 
licensed healthcare provider 
recommends a longer period of isolation 
for a particular employee than the CDC’s 
‘‘Isolation Guidance’’ would otherwise 
recommend, then the employer would 
need to abide by that longer period 
rather than returning the employee to 
work after ten days. 
OSHA’s removal requirements as 
outlined in paragraph (h)(2) are 
intended to set the floor for what is 
required; however, OSHA encourages 
employers who are able to do so to have 
a more robust program of medical 
removal, as indeed some employers 
have already done. In addition to 
removal from the workplace based on a 
positive COVID–19 test or diagnosis of 
COVID–19, employers may consider 
removal based on COVID–19 symptoms 
or certain exposure or close contacts 
employees have had outside of the 
workplace. Similarly, employers may 
consider removing employees from the 
workplace if the employer learns that 
the employee was notified by a state or 
local public health authority to 
quarantine or isolate; the employer 
might even be contacted by such an 
authority directly. Although this ETS 
does not require removal from the 
workplace in those situations, the 
employer might choose to remove 
employees from the workplace, above 
and beyond what is required by this 
ETS. 
Finally, the note to paragraph (h)(2) 
clarifies that this ETS does not require 
employers to provide paid time to any 
employee for removal as a result of a 
positive COVID–19 test or diagnosis of 
COVID–19; however, paid time may be 
required by other laws, regulations, or 
collective bargaining agreements or 
other collectively negotiated 
agreements. On the other hand, the ETS 
does not preclude employers from 
choosing to pay employees for time 
required for removal under this 
standard. Additionally, employers 
should allow their employees to make 
use of any accrued leave in accordance 
with the employer’s policies and 
practices on use of leave. This 
provision, while not placing the burden 
on the employer to provide paid time, 
should not be read as depriving 
employees of the benefits they are 
normally entitled to as part of their 
employment. 
Because it does not require employers 
to provide paid time to employees who 
are removed for a positive COVID–19 
test or diagnosis of COVID–19, this ETS 
differs from OSHA’s COVID–19 
Healthcare ETS, which applies to 
employees in the healthcare industry 
who are expected to be exposed to 
COVID–19, and requires paid medical 
removal protection benefits 
(§ 1910.502(l)(5)) for most employees. 
This difference reflects the structure and 
focus of this ETS relative to the 
Healthcare ETS. The Healthcare ETS 
requires employees to report symptoms 
of COVID–19 to their employers, as well 
as positive COVID–19 tests or diagnoses 
(see § 1910.502(l)(2)), but does not 
require employees to be regularly tested 
for COVID–19. A primary function of 
the payment for medical removal in that 
standard is, therefore, to remove the 
potential for financial disincentives that 
might deter employees from reporting 
any signs or symptoms of COVID–19 
that they experience. Because this ETS 
already requires testing for 
unvaccinated workers, which should 
result in employers learning of cases of 
COVID–19 in unvaccinated workers, 
and does not otherwise require 
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employees to report signs and 
symptoms of COVID–19 to their 
employers, OSHA found that requiring 
employer payment for removal was not 
necessary in this standard. 
As the note to paragraph (h) indicates, 
the employer may be required to follow 
other laws or regulations that would 
require paid medical removal. For 
example, if an employee covered by this 
ETS believes they were exposed to 
COVID–19 in the workplace and then 
tested positive, that employee may be 
entitled to workers’ compensation 
benefits. Workers’ compensation is a 
system already in place to provide 
benefits to employees who get sick or 
injured on the job from occupational 
disease or a work-related injury. Some 
states have expressly clarified or 
expanded their workers compensation 
rules to allow for COVID–19 claims 
during the pandemic (see, e.g., 
Industrial Commission of Arizona, May 
15, 2020; Connecticut Executive Order 
No. 7JJJ, July 24, 2020; Minn. Stat. Ann. 
§ 176.011 Subd. (15)(f), 2020)). 
Finally, the ETS does not contain 
specific requirements under this 
paragraph for the employer to establish 
or maintain records of employee 
notifications of a positive COVID–19 
test or diagnosis of COVID–19 by a 
licensed healthcare provider. However, 
should an employer determine that a 
reported case of COVID–19 is work- 
related, the employer must continue to 
record that information on the OSHA 
Forms 300, 300A, and 301, or on 
equivalent forms, if required to do so 
under 29 CFR part 1904. This also 
includes confirmed cases of COVID–19 
identified under paragraph (h) that an 
employer determines are work-related. 
Under 29 CFR part 1904, COVID–19 is 
a recordable illness and employers are 
responsible for recording cases of 
COVID–19 if: (1) The case is a 
confirmed case of COVID–19 as defined 
by the Centers for Disease Control and 
Prevention (CDC); (2) the case is work- 
related as defined by 29 CFR part 
1904.5; and (3) the case involves one or 
more of the general recording criteria in 
set forth in 29 CFR part 1904.7 (e.g., 
medical treatment beyond first aid, days 
away from work). Under 29 CFR part 
1904, employers must generally provide 
access to the 300 log to employees, 
former employees, and their 
representatives with the names of 
injured or ill employees included on the 
form. If, however, the employee requests 
that their name not be entered on the 
300 log, the employer must treat their 
illness as a privacy concern case and 
may not enter their name on the log (see 
29 CFR 1904.29(b)(6), (b)(7)(vi)). 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, February 18). Isolate if you 
are sick. https://www.cdc.gov/ 
coronavirus/2019-ncov/if-you-are-sick/ 
isolation.html. (CDC, February 18, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, June 30). Interim Guidance 
for Use of Pooling Procedures in SARS- 
CoV–2 Diagnostic and Screening Testing. 
https://www.cdc.gov/coronavirus/2019- 
ncov/lab/pooling-procedures.html. (CDC, 
June 30, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, September 9). Interim 
Guidance for Antigen Testing for SARS- 
CoV–2. https://www.cdc.gov/ 
coronavirus/2019-ncov/lab/resources/ 
antigen-tests-guidelines.html. (CDC, 
September 9, 2021). 
Centers for Disease Control and Prevention 
(CDC). (2021, September 14). Ending 
Isolation and Precautions for People with 
COVID–19: Interim Guidance. https://
www.cdc.gov/coronavirus/2019-ncov/ 
hcp/duration-isolation.html. (CDC, 
September 14, 2021). 
Connecticut Executive Order No. 7JJJ. (2020, 
July 24). Executive Order No. 7JJJ 
Protection of public health and safety 
during COVID–19 pandemic and 
response—rebuttable presumption 
regarding workers compensation benefits 
related to contraction of COVID–19. 
https://portal.ct.gov/-/media/Office-of- 
the-Governor/Executive-Orders/Lamont-
Executive-Orders/Executive-Order-No- 
7JJJ.pdf. (Connecticut Executive Order 
No. 7JJJ, July 24, 2020). 
Food and Drug Administration (FDA). (2021, 
April). Coronavirus Disease 2019 Testing 
Basics. https://www.fda.gov/media/ 
140161/download. (FDA, April 2021). 
Industrial Commission of Arizona. (2020, 
May 15). COVID–19 Workers’ 
Compensation Claims. https://
www.azica.gov/sites/default/files/ 
SPS%20-COVID-19%20FINAL.pdf. 
(Industrial Commission of Arizona, May 
15, 2020). 
Kucharski AJ et al. (2020). Effectiveness of 
isolation, testing, contact tracing, and 
physical distancing on reducing 
transmission of SARS–CoV–2 in 
different settings: a mathematical 
modelling study. The Lancet Infectious 
Disease. 2020 Oct; 20(10): 1151–1160. 
doi:10.1016/S1473–3099(20)30457–6. 
Epub 2020 Jun 16. PMID: 32559451; 
PMCID: PMC7511527. (Kucharski et al., 
2020) 
Minnesota Statutes Annotated, Section 
176.011 Definitions. Subd. 15(f). (2020). 
https://www.revisor.mn.gov/statutes/ 
cite/176.011/pdf. (Minn. Stat. Ann. 
§ 176.011 Subd. (15)(f), 2020) 
Moghadas S et al. (2020, July 6). The 
implications of silent transmission for 
the control of COVID–19 outbreaks. 
Proceedings of the National Academy of 
Sciences of the United States of America, 
117(30), 17513–17515. doi:https://
doi.org/10.1073/pnas.2008373117. 
(Moghadas et al., July 6, 2020) 
Wells CR et al. (2021). Optimal COVID–19 
quarantine and testing strategies. Nature 
Communications 2021 Jan 7; 12(1): 356. 
doi:10.1038/s41467–020–20742–8. 
PMID: 33414470; PMCID: PMC7788536. 
(Wells et al., 2021) 
I. Face Coverings 
Paragraph (i) of this standard 
addresses the use of face coverings. As 
previously discussed in Grave Danger 
(Section III.A. of this preamble), 
COVID–19 spreads when an infected 
person breathes out droplets and very 
small particles that contain the virus. 
These droplets and particles can be 
breathed in by other people or land on 
their eyes, noses, or mouth. Face 
coverings reduce the risk of droplet 
transmission of COVID–19. The CDC 
recommends that people who are not 
fully vaccinated wear a face covering 
(e.g., a mask) in indoor public places. 
(CDC, July 14, 2021). Additional 
discussion on the efficacy of face 
coverings is provided below. 
Face coverings are simple bi- 
directional barriers that tend to keep 
droplets, and to a lesser extent airborne 
particulates, on the side of the filter 
from which they originate. An 
explanation of the term ‘‘face covering’’, 
as used in this ETS, can be found in the 
Summary and Explanation for 
paragraph (c) (Section VI.C. of this 
preamble). The CDC (August 13, 2021) 
recommends unvaccinated people wear 
face coverings when indoors to prevent 
getting and spreading COVID–19 mostly 
by blocking large respiratory droplets 
from either leaving the face covering of 
the wearer (source control) or by 
preventing someone else’s droplets from 
reaching the wearer (personal 
protection). The need for face coverings 
in workplaces applies particularly to 
unvaccinated workers due to their 
increased potential for asymptomatic 
and pre-symptomatic transmission of 
COVID–19. 
The CDC Healthcare Infection Control 
Practices Advisory Committee’s 
(HICPAC) ‘‘Isolation Guidance’’ for 
healthcare settings has long 
recommended facemasks, among other 
controls, to prevent the transmission of 
viruses that cause respiratory illnesses 
(Siegel et al., 2007). Face coverings play 
an important dual role in protecting 
workers from droplet transmission of 
COVID–19. One of their key purposes is 
to function as source control. In this 
role, the face covering helps protect 
people around the wearer by reducing 
the number of infectious droplets 
released into the air by the wearer and 
limiting the distance traveled by any 
particles that are released. As a result, 
anyone near the wearer is exposed to 
fewer (if any) droplets and the 
transmission risk is lowered (OSHA, 
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January 28, 2021; Siegel et al., 2007). 
Face coverings also provide a degree of 
particulate filtration to reduce the 
amount of inhaled particulate matter, 
meaning face coverings can help protect 
the wearer themselves, by reducing their 
inhalation of droplets produced by an 
infected person nearby (CDC, May 7, 
2021; Brooks et al., February 10, 2021). 
The efficacy of any given face 
covering in either functioning as source 
control or protecting the wearer will 
depend on the construction, design, and 
material used for the face covering. The 
CDC has stated that ‘‘masks are 
primarily intended to reduce the 
emission of virus-laden droplets 
(‘‘source control’’), which is especially 
relevant for asymptomatic or 
presymptomatic infected wearers who 
feel well and may be unaware of their 
infectiousness to others, and who are 
estimated to account for more than 50% 
of transmissions’’ (CDC, May 7, 2021). 
The CDC has also stated that: ‘‘Multi- 
layer cloth masks block release of 
exhaled respiratory particles into the 
environment, along with the 
microorganisms these particles carry. 
Cloth masks not only effectively block 
most large droplets (i.e., 20–30 microns 
and larger) but they can also block the 
exhalation of fine droplets and particles 
(also often referred to as aerosols) 
smaller than 10 microns; which increase 
in number with the volume of speech 
and specific types of phonation. Multi- 
layer cloth masks can both block up to 
50–70% of these fine droplets and 
particles and limit the forward spread of 
those that are not captured. Upwards of 
80% blockage has been achieved in 
human experiments that have measured 
blocking of all respiratory droplets, with 
cloth masks in some studies performing 
on par with surgical masks as barriers 
for source control’’ (CDC, May 7, 2021). 
Thus, the construction of the face 
covering is a significant factor in 
determining its efficacy at reducing 
COVID–19 transmission. 
While face coverings are generally 
effective as source control, because of 
the potential variations in protective 
properties, OSHA has not considered 
face coverings that are not certified to a 
consensus standard to be personal 
protective equipment (PPE) under 
OSHA’s general PPE standard (29 CFR 
1910.132), as there is insufficient 
assurance that any given face covering 
is of safe design and construction for the 
work to be performed, which is required 
by the PPE standard. Despite these 
limitations, many of the available face 
coverings have proven to be effective at 
providing source control, and where a 
face covering is also effective in 
providing personal protection, the 
wearer will be at reduced risk of, and 
could be protected from, infection. 
Accordingly, over the course of the 
pandemic, through its guidance, OSHA 
has strongly encouraged workers to 
wear face coverings when they are in 
close contact with others to reduce the 
risk of spreading COVID–19 despite the 
shortcomings that have prevented the 
agency from considering them to be PPE 
that complies with the requirement of 
the PPE standard. To enhance the 
effectiveness of any face covering 
required by this standard, this ETS 
imposes certain minimum design 
criteria, consistent with CDC 
recommendations. Thus, the face 
covering must consist of at least two 
layers of material that is either tightly 
woven or non-woven, and the face 
covering must not have visible holes or 
openings. CDC has found face coverings 
that are tightly woven and made with at 
least two layers are more effective at 
filtering droplets than face coverings 
that are loosely woven or consist of a 
single layer of fabric (CDC, May 7, 2021; 
Ueki et al., June 25, 2020). 
OSHA’s determination on the 
importance of face coverings is 
supported by a substantial body of 
evidence. As described in further detail 
below, consistent and correct use of face 
coverings is widely recognized and 
scientifically supported as an important 
evidence-based strategy for COVID–19 
control. Accordingly, with specific 
exceptions relevant to outdoor areas and 
vaccinated persons, the CDC 
recommends everyone two years of age 
and older wear a face covering in public 
settings and when around people 
outside of their household (CDC, August 
13, 2021). And, on January 21, 2021, 
President Biden issued Executive Order 
13998, which recognizes the use of face 
coverings or facemasks as a necessary, 
science-based public health measure to 
prevent the spread of COVID–19, and 
therefore directed regulatory action to 
require that they be worn in compliance 
with CDC guidance while traveling on 
public transportation (e.g., buses, trains, 
subway) and while at airports 
(Executive Order 13998, 86 FR 7205, 
7205 (Jan. 21, 2021); CDC, February 2, 
2021). Similarly, the World Health 
Organization (WHO) has recognized face 
coverings as a key measure in 
suppressing COVID–19 transmission, 
and thus, saving lives. The WHO 
observes that face coverings serve two 
purposes, to both protect healthy people 
from acquiring COVID–19 and to 
prevent sick people from further 
spreading it. Since December of 2020, 
the WHO has recommended that the 
general public wear face coverings in 
indoor settings and in outdoor settings 
where physical distancing cannot be 
maintained (WHO, December 1, 2020). 
In the United States, several states 
have imposed statewide face covering 
mandates in order to mitigate the spread 
of COVID–19. One study examined data 
on statewide face covering mandates 
during March 1–October 22, 2020, and 
found that statewide face covering 
mandates were associated with a 
decline in weekly COVID–19–associated 
hospitalization growth rates by up to 5.6 
percentage points for adults aged 18–64 
years after mandate implementation, 
compared with growth rates during the 
4 weeks preceding implementation of 
the mandate (Joo et al., February 12, 
2021). Similarly, another study 
examined the association of state-issued 
face covering mandates with COVID–19 
cases and deaths during March 1– 
December 31, 2020, and found 
mandating face coverings was 
associated with a decrease in daily 
COVID–19 case and death growth rates 
within 20 days of implementation (Guy 
et al., March 12, 2021). 
School face covering policies for 
students, staff members, faculty, and 
visitors are associated with a reduction 
in COVID–19 outbreaks. Between July 
15 and August 31, 2021, schools in 
Arizona were analyzed for school mask 
policies, which provided that all 
persons, regardless of vaccination 
status, were required to wear a mask 
indoors. The odds of a school-associated 
COVID–19 outbreak in schools without 
a mask requirement were 3.5 times 
higher than those in schools with an 
early mask requirement (Odds Ratio = 
3.5; 95% Confidence Interval = 1.8–6.9) 
(Jehn et al., October 1, 2021). 
The effectiveness of face coverings in 
limiting the emission and spread of 
droplets has also been demonstrated in 
numerous studies. For example, 
multiple studies in which droplets were 
visualized while individuals were 
talking or a manikin was used to 
simulate coughs and sneezes 
demonstrated that two-layer face 
coverings limited the number of 
droplets released into the air, and 
limited the forward spread of those not 
captured (Fischer et al., September 2, 
2020; Verma et al., June 30, 2020; CDC, 
May 7, 2021). 
The effectiveness of face coverings in 
preventing infections was also observed 
in a number of epidemiological studies. 
For example, in June of 2020 an 
outbreak was studied aboard the USS 
Theodore Roosevelt, an environment 
notable for congregate living quarters, 
close working environments, and a 
sample of mostly young, healthy adults. 
The investigation found that use of face 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
coverings on board was associated with 
a 70% reduced risk of transmission, 
which demonstrates that the use of face 
coverings, especially among 
asymptomatic cases, can help mitigate 
future transmission (Payne et al., June 
12, 2020). Another publication, released 
in July of 2020, included an 
investigation of a high-exposure event 
among 139 clients exposed to two 
symptomatic hair stylists with 
confirmed cases of COVID–19. Both of 
the stylists and all of their clients wore 
face coverings during their interactions. 
Among 67 clients subsequently tested 
for COVID–19, all test results were 
negative; no symptomatic secondary 
cases were reported by any clients, 
including those who were not tested. 
The study concluded that the strict use 
of face coverings likely mitigated the 
spread of COVID–19 (Hendrix et al., 
July 17, 2020). 
Several other observational 
epidemiological studies have reviewed 
data regarding the ‘‘real-world’’ 
effectiveness of face covering usage. 
First, in a study of 124 Beijing 
households with one or more 
laboratory-confirmed case of COVID–19, 
face covering use by both the index 
patient and all family contacts before 
the index patient developed symptoms 
reduced secondary transmission (i.e., 
infections occurring within two weeks 
of symptom onset in the index case) 
within the households by 79% (Wang et 
al., May 11, 2020). Second, a 
retrospective case-control study from 
Thailand documented that, among more 
than 1,000 persons interviewed as part 
of contact tracing investigations, those 
who reported having always worn a face 
covering during high-risk exposures 
experienced a greater than 70% reduced 
risk of infection compared with persons 
who did not wear face coverings under 
these circumstances. The risk for 
infection was not significantly lower in 
those who reported only sometimes 
wearing face coverings compared to 
those who did not wear face coverings 
at all. This evidence supports the 
conclusion that face coverings must be 
worn consistently and correctly to 
meaningfully reduce the risk of 
infection (Doung-ngern et al., September 
14, 2020). 
Community-level analyses have also 
confirmed the benefit of universal face 
covering use in: A unified hospital 
system (Wang et al., July 14, 2020); a 
German city (Mitze et al., June 1, 2020); 
a U.S. state (Gallaway et al., October 6, 
2020); a panel of 15 U.S. states and 
Washington, DC (Lyu and Wehby, June 
16, 2020; Hatzius et al., June 29, 2020); 
as well as both Canada (Karaivanov et 
al., October 1, 2020) and the U.S. 
(Chernozhukov et al., September 15, 
2020) nationally. Each community 
analysis demonstrated that, following 
universal face covering directives from 
both organizational and political 
leadership, new infections were shown 
to fall significantly. These analyses have 
also shown reductions in mortality and 
the need for lockdowns, with their 
associated monetary/gross domestic 
product losses (Leffler et al., December 
2, 2020; Hatzius et al., June 29, 2020). 
Additionally, multiple investigations 
involving infected passengers aboard 
flights longer than ten hours strongly 
suggest that face covering usage 
prevented in-flight transmissions, as 
demonstrated by the absence of 
infection developing in other passengers 
and crew in the 14 days following 
exposure (Schwartz et al., April 14, 
2020; Freedman and Wilder-Smith, 
September 25, 2020). 
Researchers from the COVID–19 
Systematic Urgent Review Group Effort 
investigated the effects of face coverings 
and eye protection on virus 
transmission in both healthcare and 
non-healthcare settings. They identified 
172 observational studies for their 
systematic review and 44 comparative 
studies for their meta-analysis, 
including data on 25,697 COVID–19, 
SARS, or MERS patients. They 
concluded for the general public, based 
mainly on evidence from face covering 
use within households and among 
contacts of cases, that disposable 
surgical masks or face coverings 
(reusable multi-layer cotton face 
coverings) are associated with 
protection from viral transmission. 
Through the meta-analysis, combining 
39 of the studies’ results, they found a 
14.3% reduction in the difference of 
anticipated absolute effect (e.g., the 
chance of viral infection or 
transmission) between no face covering 
and face covering groups (Chu et al., 
June 27, 2020). 
Ueki et al. (June 25, 2020) evaluated 
the effectiveness of cotton face 
coverings, facemasks, and N95s (a 
commonly used respirator) in 
preventing transmission of SARS–CoV– 
2 using a laboratory experimental 
setting with manikins. The researchers 
found that all offerings provided some 
measure of protection as source control, 
limiting droplets expelled from both 
infected and uninfected wearers. For 
instance, when spaced roughly 20 
inches apart, an uninfected person can 
reduce inhalation of infectious virus by 
37% by wearing a cotton face covering. 
If only the infected person wears a 
cotton face covering, the amount 
breathed in by the uninfected recipient 
is reduced by 57%. However, if both 
individuals wear a cotton face covering, 
the exposure is reduced 67%. If both are 
wearing facemasks, exposure is reduced 
by 76%. When an infected individual 
wore an N95 respirator, exposure was 
reduced by 96% or, when the seams 
were taped, 99.7%. 
As demonstrated by the studies above, 
proper face covering usage leads to a 
substantial reduction in the emission of 
virus-containing droplets and 
consequent transmission of the virus. 
This is especially critical for 
asymptomatic or pre-symptomatic 
infected wearers who feel well and may 
not be taking other preventative 
measures—like self-isolation—because 
they are unaware of their infectiousness 
to others. Combined, these individuals 
are estimated to account for more than 
50% of COVID–19 transmissions 
(Honein et al., December 11, 2020; 
Moghadas et al., July 6, 2020; Johansson 
et al., January 7, 2021). This figure could 
be substantially reduced if face 
coverings are required, even for 
individuals who do not feel sick. Face 
covering use is also especially important 
in indoor spaces (Honein et al., 
December 11, 2020). The studies 
reviewed above show that face 
coverings reduce the release of droplets 
but do not completely eliminate them. 
CDC guidance affirms that COVID–19 
pandemic control requires face covering 
use (Honein et al., December 11, 2020; 
CDC, May 7, 2021). Similarly, the WHO 
advises face covering use as a critical 
measure of a comprehensive package of 
prevention and control measures to 
limit the spread of COVID–19 (WHO, 
December 1, 2020). 
Although increasing COVID–19 
vaccination coverage remains the most 
effective means to achieve control of the 
pandemic, additional layered 
prevention strategies will be needed in 
the short term to minimize preventable 
morbidity and mortality among 
unvaccinated individuals. Unvaccinated 
individuals remain at substantial risk 
for infection, severe illness, and death, 
especially in areas where the level of 
SARS–CoV–2 community transmission 
is high (discussed in detail in Grave 
Danger (Section III.A. of this preamble)). 
Among strategies to prevent COVID–19, 
CDC recommends all unvaccinated 
individuals wear face coverings in 
public indoor settings. A proven 
effective strategy against SARS–CoV–2 
transmission, beyond vaccination, 
includes using face coverings 
consistently and correctly (Christie et 
al., July 30, 2021). 
The agency is not requiring the use of 
face coverings by workers who are fully 
vaccinated because vaccination is 
sufficient to reduce the grave danger to 
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themselves or others. While vaccination 
is sufficient to reduce grave danger to 
the workers themselves, the agency 
recognizes that there may still be 
residual risk (e.g., breakthrough 
infections); severe health outcomes 
among vaccinated workers, however, are 
unlikely. Vaccination is also sufficient 
to reduce the grave danger that fully 
vaccinated workers present to others 
given the reduced likelihood of 
transmission (see Grave Danger in 
Section III.A. of this preamble). 
Nonetheless, the use of face coverings 
by fully vaccinated workers, while not 
required by this ETS, is strongly 
encouraged in a wide range of 
circumstances to reduce the overall risk 
of transmitting COVID–19, particularly 
in areas of substantial or high 
transmission, when indoors and when 
in crowded outdoor areas. The use of 
face coverings by customers and visitors 
to workplaces is also beneficial in 
reducing the overall risk of workplace 
transmission of COVID–19. 
OSHA has always considered 
recognized consensus standards, with 
design and construction specifications, 
when determining the PPE requirements 
of the agency’s standards. The OSH Act 
(29 U.S.C. 655(b)(8)) requires the agency 
to generally give deference to consensus 
standards unless setting its own 
specifications would better effectuate 
the purposes of the Act. The agency’s 
standards generally require PPE to 
conform to the specifications in 
consensus standards through 
incorporation by reference (e.g., eye and 
face protection, head protection, foot 
protection). ASTM released a 
specification standard on February 15, 
2021, to establish a national standard 
baseline for barrier face coverings 
(ASTM F3502–21). OSHA considered, 
as required, incorporation of ASTM 
F3502–21 in this ETS. However, the 
agency has determined that it is 
infeasible for the timeframe of this ETS 
to incorporate this consensus standard 
or to otherwise establish additional 
criteria for face coverings beyond that 
already recommended by the CDC due 
to the time needed to manufacture and 
distribute any new product. OSHA 
notes the CDC’s guidance on types of 
masks, including those that meet ASTM 
F3502–21 requirements, and respirators 
as helpful to employers and workers in 
selecting an appropriate product (CDC, 
September 23, 2021). 
Relatedly, OSHA has previously 
established that medical facemasks are 
essential PPE for workers in healthcare 
and associated industries, and are 
already used by workers under both the 
general PPE standard (29 CFR 
1910.132), and more specifically, the 
Bloodborne Pathogens standard (29 CFR 
1910.1030). Facemasks are intended for 
a medical purpose, such as prevention 
of infectious disease transmission 
(including uses related to COVID–19). 
Facemasks can function as a barrier to 
protect the wearer from hazards such as 
splashes or large droplets of blood and 
bodily fluids. Facemasks, such as 
surgical masks, must be FDA-cleared or 
authorized by FDA, including under an 
EUA and provide a similar or greater 
level of protection when serving the 
purposes of a face covering. Respirators 
are another type of personal protective 
device that OSHA has regulated under 
the Respiratory Protection standard (29 
CFR 1910.134). 
The best available experimental and 
epidemiological data support consistent 
use of face coverings by unvaccinated 
workers in work settings to reduce the 
spread of COVID–19 through droplet 
transmission. As discussed in Need for 
the ETS (Section III.B. of this preamble), 
adopting face covering policies is 
necessary, as part of a strategy combined 
with testing, to protect employees from 
exposure to COVID–19. Requiring 
unvaccinated workers to wear face 
coverings in the workplace will reduce 
the likelihood that, in conjunction with 
the testing (paragraph (g)) and removal, 
of infected workers, (paragraph (h)) 
requirements, they will spread the virus 
to others, including other unvaccinated 
coworkers. Based on the proven 
effectiveness of face covering use, 
OSHA’s COVID–19 ETS includes 
necessary provisions for required use of 
face coverings by unvaccinated workers 
and provisions to allow vaccinated 
workers and customers and visitors to 
wear face coverings or respirators as a 
component of reducing the overall risk 
of COVID–19 transmission in the 
workplace. 
The benefits that result from the use 
of face coverings for preventing 
transmission of COVID–19 are derived 
from the combination of source control 
(i.e., reducing the spread of large 
respiratory droplets to others by 
covering an infected person’s mouth 
and nose) and some personal protection 
for the wearer, as was discussed above 
in the Need for Face Coverings section. 
Face coverings are a vital layer of 
protection, and the benefit to any given 
individual increases with increasing 
community use. Paragraph (i) contains 
requirements for the use of face 
coverings by each employee who is not 
fully vaccinated, as well as alternatives 
to face coverings (e.g., facemasks, 
respirators) that may be acceptable in 
some situations (described in detail 
below). As defined in paragraph (c), a 
face covering means a covering that 
completely covers the nose and mouth 
of the wearer, excluding face shields, 
which is made with two or more layers 
of a breathable fabric that is tightly 
woven, is secured to the wearer’s head 
with ties, ear loops, or elastic bands that 
go behind the head, and is a solid piece 
of material without slits, exhalation 
valves, visible holes, or other openings 
in the material. This definition 
encompasses face coverings that 
otherwise meet the definition of face 
covering under paragraph (c), but 
include clear plastic windows, such as 
those utilized by persons 
communicating with those who are deaf 
or hard-of-hearing or when seeing a 
person’s mouth is otherwise important. 
Face coverings can be manufactured or 
homemade, and they can incorporate a 
variety of designs, structures, and 
materials. Face coverings can be 
disposable or reusable. Face coverings 
do not have to meet a consensus 
standard, although they might. Apart 
from any applicable FDA or NIOSH 
regulatory requirements that might 
otherwise apply, such requirements are 
not required solely for the purposes of 
meeting the requirements of this 
standard. 
As a general rule, OSHA has authority 
to, and does, require employers to bear 
the costs for protective equipment, 
among other worker protections, 
required by an OSHA standard. See, 
e.g., 29 CFR 1910.1018(j) (requiring the 
employer to provide protective clothing 
at no cost to the employee). However, in 
limited circumstances, OSHA has 
chosen not to require employers to pay 
for some forms of non-specialized 
protective equipment, such as every-day 
clothing, products providing weather- 
related protection, and non-specialized 
equipment that the employee wears off 
the job site. See 29 CFR 1910.132(h)(2)– 
(5). Like the analogous situations listed 
above, here employees may use their 
personal face coverings in a variety of 
circumstances on and off the job site as 
part of their every-day protection. 
Because the types of face coverings 
permitted under this ETS are widely 
used and readily available, (see 
Technological Feasibility (Section IV.A. 
of this preamble)), employees will have 
no difficulty obtaining them. OSHA is 
requiring employers to bear the costs for 
employee vaccination, because it is the 
more protective control, (Need for the 
ETS (Section III.B. of this preamble). 
OSHA does not believe it appropriate to 
impose the costs of personal face 
coverings on an employer where an 
employee has made an individual 
choice to pursue a less protective 
option. For these reasons, OSHA has 
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determined not to impose the costs of 
face coverings on the employer as a 
requirement under this ETS. 
Paragraph (i)(1) requires employers to 
ensure that each employee who is not 
fully vaccinated wears a face covering 
when indoors or when occupying a 
vehicle with another person for work 
purposes, except (i) when an employee 
is alone in a room with floor to ceilings 
windows and a closed door. However, if 
that employee exits the room or another 
individual enters the room, they are 
required to wear a face covering. The 
second exception is (ii) for a limited 
time while an employee is eating or 
drinking at the workplace or for 
identification purposes in compliance 
with safety and security requirements. 
Under this exception, employees are not 
required to wear face coverings during 
the limited time while eating or 
drinking at the workplace. Employers 
may also let employees eat or drink 
outside where there may be more space 
and reduced risk of transmission. 
Additionally, under the exception in 
paragraph (i)(1)(ii), employees are not 
required to wear a face covering for a 
limited time for identification purposes 
in compliance with safety and security 
requirements. This means that an 
unvaccinated employee can temporarily 
remove their face covering when at a 
security checkpoint within their 
worksite and when identification is 
otherwise required. 
Another exception for required face 
coverings is under paragraph (i)(1)(iii) 
for when an employee is wearing a 
respirator or facemask in accordance 
with other OSHA standards (e.g., 
1910.134, 1910.504, 1910.1030, 
1910.502). Facemask or respirator use in 
accordance with other OSHA standards 
takes precedence over face covering use 
in this ETS. For example, OSHA 
standard 1910.1030 has requirements 
for facemasks in healthcare settings and 
requires that workers should continue to 
use the required facemask appropriate 
for that setting. Another example may 
include a worker who is required to use 
a respirator under 1910.134 for 
workplace exposure to harmful dusts, 
where effective engineering controls are 
not feasible; that worker should 
continue to use the required respirator. 
Employees must resume wearing a face 
covering when not engaged in the 
activity where a facemask or respirator 
is required as an essential part of their 
job. The last exception, contained in 
paragraph (i)(1)(iv), is for a very limited 
set of circumstances where employers 
can show that the use of the face 
covering is infeasible or creates a greater 
hazard. Situations where it is important 
to see an employee’s mouth for reasons 
related to their job duties, or their job 
requires the use of their uncovered 
mouth, or when the use of a face 
covering presents a risk of serious injury 
or death to the employee, would also be 
covered under this provision. As has 
been previously discussed in Summary 
and Explanation for paragraph (d) 
(Section VI.D. of this preamble), OSHA 
recognizes that there may be certain 
workers who may not be able to wear a 
face covering due to a disability or 
sincerely held religious belief and are 
entitled to an accommodation. 
If employers receive accommodation 
requests relating to face coverings or 
other protective gear, for example due to 
disability or religious garb or grooming, 
they should evaluate those requests 
under applicable laws (EEOC, October 
25, 2021). 
Paragraph (i)(2) requires that 
employers ensure that any face covering 
required to be worn by this section is: 
(i) Worn by the employee to fully cover 
the employee’s nose and mouth; and (ii) 
replaced when wet, soiled, or damaged 
(e.g., is ripped, has holes, or has broken 
ear loops). To be worn properly, face 
coverings must completely cover the 
wearer’s mouth and nose and must fit 
snugly against the sides of the face 
without gaps. Gaps can let air with 
respiratory droplets leak in and out 
around the edges of the mask. Face 
coverings with a nose wire help to avoid 
issues with glasses fogging and create a 
snug fit. Workers can also use a mask 
fitter or brace over a disposable mask or 
a cloth mask to prevent air from leaking 
around the edges of the mask. To ensure 
face coverings are worn properly, an 
employer might appoint a manager or 
senior employee to check that each 
unvaccinated employee is properly 
wearing a face covering at the start of 
and throughout each shift. Many aspects 
of proper mask use are easily observable 
(e.g., covering the mouth and nose, as 
well as no observable gaps). 
Additionally, employers may consider 
utilizing workplace announcements 
(email messages, safety talks, etc.) or 
displaying signs or posters throughout 
the facility about proper face covering 
usage. 
The employer must ensure that 
employees replace face coverings when 
wet, soiled, or damaged (paragraph 
(i)(2)(ii)). Face coverings can become 
soiled by splashes, sprays, or splatters, 
from contact with a contaminated 
surface, or by touching/adjusting them 
with contaminated hands. Damaged face 
coverings may not fit properly and thus 
will have reduced effectiveness. 
Employees who work where there is 
potential for spills, sprays, or splashes 
may need to change or replace their face 
coverings more frequently (e.g., in food, 
meat, or poultry processing plants; 
water, sanitation, or wastewater 
treatment facilities; or restaurants). As 
note 1 to paragraph (i) addresses, face 
shields may be worn in addition to face 
coverings to prevent them from getting 
wet and soiled. For work where face 
coverings are expected to become dirty 
or soiled less frequently, employees may 
only need to replace their face coverings 
daily (e.g., in retail or office buildings). 
Regardless of work location, reusable 
face coverings can become soiled after 
each use and may be contaminated with 
bacteria and viruses, including the virus 
that causes COVID–19. To ensure 
performance and minimize the risk of 
contaminating employees after contact 
with a soiled face covering, as described 
previously, the CDC recommends 
washing them whenever they get dirty, 
but at least once a day. The CDC also 
has guidance on the selection, proper 
wearing, cleaning, and storage of face 
coverings (CDC, August 13, 2021). 
The employer must not prevent any 
employee, regardless of vaccination 
status, from voluntarily wearing a face 
covering or facemask unless the 
employer can demonstrate that doing so 
would create a hazard (paragraph (i)(3)). 
While vaccination greatly reduces the 
risk of the most severe consequences of 
COVID–19 (e.g. hospitalizations and 
fatalities) to workers, it does not reduce 
the risk to zero and thus workers must 
be permitted to wear face coverings or 
facemasks even when not required to in 
order to allow the workers to further 
address residual risk. The agency has 
determined this provision is necessary 
because employees may themselves 
have additional medical risk factors that 
employers may or may not be aware of, 
and which require enhanced 
precautions. Similarly, employees may 
live with or have frequent contact with 
family members or others who have 
enhanced risk if infected with COVID– 
19 and thus justify assuring the 
employees’ ability to take reasonable 
precautions to protect their own health 
and safety or that of loved ones. 
Paragraph (i)(4) states that the 
employer must permit the employee to 
wear a respirator instead of a face 
covering whether required or not (i.e., 
without regard to vaccination status), 
and the employer may provide 
respirators to the employee, even if not 
required. This means that when a face 
covering is not required by paragraph 
(i)(1), the employer must permit the 
employee to wear a respirator or the 
employer may even provide a respirator; 
in such circumstances, the employer 
must also comply with 1910.504 (the 
mini respiratory protection program). 
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Respirators, as defined in paragraph (c), 
are a type of PPE that are certified by 
NIOSH or authorized under an 
Emergency Use Authorization (EUA) by 
the FDA, and protect against airborne 
hazards by removing specific air 
contaminants from the ambient 
(surrounding) air or by supplying 
breathable air from a safe source. 
Respirator use can provide an additional 
level of comfort and protection beyond 
that provided by face coverings for 
employees in circumstances that do not 
require a respirator to be used. As 
discussed previously, the agency has 
determined that workers need the 
ability to wear PPE, even when it is not 
required, in order to address residual 
risk and due to health conditions that 
either they or their close contacts may 
have that warrant enhanced 
precautions. For a more in-depth 
description of the mini respiratory 
protection program, see the preamble to 
the Healthcare ETS (86 FR 32615– 
32617). OSHA intends the mini 
respirator protection program to be 
preserved for the duration of this ETS, 
and any references relied upon by 
OSHA in those sections of the 
Healthcare ETS are also incorporated 
explicitly into the rulemaking docket for 
this ETS. 
The mini respiratory protection 
program is designed to strengthen 
employee protections with a small set of 
provisions for the safe use of respirators 
designed to be easier and faster to 
implement than the more 
comprehensive respiratory protection 
program under 29 CFR 1910.134. This 
ETS is addressing an emergency health 
crisis, so it is critical for employers to 
be able to get more employee protection 
in place quickly. OSHA expects that this 
approach will facilitate additional 
employee choice for the additional 
protection provided by respirators while 
reducing disincentives that may have 
discouraged employers from allowing or 
voluntarily providing respirators. A 
mini respirator program is therefore an 
important control to protect employees 
from the hazard posed by COVID–19. 
The mini respiratory protection 
program is primarily intended to be 
used for addressing circumstances 
where employees are not exposed to 
suspected or confirmed sources of 
COVID–19, but where respirator use 
could offer enhanced protection to 
employees. Examples include when a 
respirator could offer enhanced 
protection in circumstances where a less 
protective (in terms of filtering and fit) 
face covering is required under the ETS 
(See 29 CFR 1910.501(i)(1)). The 
decision to use a respirator in place of 
a face covering could be due to the 
higher filter efficiency and better sealing 
characteristics of respirators when 
compared to face coverings. For 
additional discussion, the rationale for 
the mini respiratory protection program 
was addressed in detail in Need for 
Specific Provisions in the agency’s prior 
rulemaking on 1910.504, and the 
requirements of the mini respiratory 
protection program section are 
discussed in Summary and Explanation 
in the agency’s prior rulemaking on 
1910.504. 
As required by paragraph (i)(5), the 
employers must not prohibit customers 
or visitors from wearing face coverings. 
Face coverings are a vital layer of 
protection against the risk of COVID–19. 
(See the discussion earlier in this 
section on the benefits to individuals 
associated with increased community 
use.) This provision is necessary 
because increased use of face coverings 
also reduces the overall risk of COVID– 
19 transmission from the customers and 
visitors to workers, both unvaccinated 
and vaccinated alike. Additionally, it 
allows customers and visitors to protect 
their own health and safety. Employers 
may even want to create a policy 
encouraging the use of face coverings by 
anyone who enters the business; they 
are encouraged to coordinate with state 
and local health officials to obtain and 
respond appropriately to timely and 
accurate information (e.g., level of 
community transmission, health system 
capacity, vaccination coverage, capacity 
for early detection of increases in 
COVID–19 cases, and populations at 
risk for severe outcomes from COVID– 
19). Local conditions will influence the 
decisions that public health officials 
make regarding community-level 
strategies. Additionally, workers and 
their representatives may also negotiate 
additional face covering measures not 
required by the ETS through collective 
bargaining agreements or other 
collectively negotiated agreements. 
Lastly, for the reasons explained 
above, note 2 to paragraph (i) clarifies 
that this section does not require the 
employer to pay for any costs associated 
with face coverings. However, the note 
also makes clear that this section does 
not prohibit the employer from paying 
for costs associated with face coverings 
required by this section. OSHA notes 
that employer payment for face 
coverings may be required by other 
laws, regulations, or collective 
bargaining agreements or other 
collectively negotiated agreements. 
Additionally, workers and their 
representatives may also negotiate 
employer payment for face coverings 
not required by the ETS through 
collective bargaining agreements or 
other collectively negotiated 
agreements. 
References 
Brooks J et al. (2021, February 10). 
Maximizing fit for cloth and medical 
procedure masks to improve 
performance and reduce SARS–CoV–2 
transmission and exposure. MMWR. doi: 
http://dx.doi.org/10.15585/ 
mmwr.mm7007e1. (Brooks et al., 
February 10, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, February 2). Order under 
Section 361 of the Public Health Service 
Act (42 U.S.C. 264) and 42 Code of 
Federal Regulations 70.2, 71.31(b), 
71.32(b). Federal Register notice: 
Wearing of face masks while on 
conveyances and at transportation hubs. 
https://www.cdc.gov/quarantine/masks/ 
mask-travel-guidance.html. (CDC, 
February 2, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, May 7). Scientific brief: 
Community Use of Cloth Masks to 
Control the Spread of SARS–CoV–2. 
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ncov/more/masking-science-sars- 
cov2.html. (CDC, May 7, 2021) 
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coronavirus/2019-ncov/prevent-getting- 
sick/how-covid-spreads.html. (CDC, July 
14, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, August 13). Your Guide to 
Masks. https://www.cdc.gov/ 
coronavirus/2019-ncov/prevent-getting- 
sick/about-face-coverings.html. (CDC, 
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(CDC). (2021, September 23). Types of 
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prevent-getting-sick/types-of-masks.html. 
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Chernozhukov V et al. (2020, September 15). 
Causal impact of masks, policies, 
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Christie A et al. (2021, July 30). Guidance for 
implementing COVID–19 prevention 
strategies in the context of varying 
community transmission levels and 
vaccination coverage. MMWR 70: 1044– 
1047. http://dx.doi.org/10.15585/ 
mmwr.mm7030e2. (Christie et at., July 
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Chu DK et al. (2020, June 27). Physical 
Distancing, Face Masks, and Eye 
Protection to Prevent Person-to-Person 
Transmission of SARS–CoV–2 and 
COVID–19: A systematic review and 
meta-analysis. The Lancet. 395: 1973– 
1987. https://doi.org/10.1016/. (Chu et 
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Doung-ngern P et al. (2020). Case-control 
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measures and risk for SARS–CoV–2 
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(Doung-ngern et al., September 14, 2020). 
Equal Employment Opportunity Commission 
(EEOC). (2021, October 25). What You 
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and-ada-rehabilitation-act-and-other- 
eeo-laws. (EEOC, October 25, 2021) 
Fischer E et al. (2020, September 2). Low-cost 
measurement of face mask efficacy for 
filtering expelled particles during 
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(Fischer et al., September 2, 2020) 
Freedman D and Wilder-Smith A. (2020, 
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SARS–CoV–2: A review of the attack 
rates and available data on the efficacy 
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Medicine. doi: https://doi.org/10.1093/ 
jtm/taaa178. (Freedman and Wilder- 
Smith, September 25, 2020) 
Gallaway S et al. (2020, October 6). Trends 
in COVID–19 incidence after 
implementation of mitigation 
measures—Arizona, January 22–August 
7, 2020. MMWR, 69, 1460–1463. doi: 
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mmwr.mm6940e3. (Gallaway et al., 
October 6, 2020) 
Guy GP Jr et al. (2021, March 12). Association 
of State-Issued Mask Mandates and 
Allowing On-Premises Restaurant Dining 
with County-Level COVID–19 Case and 
Death Growth Rates—United States, 
March 1–December 31, 2020. MMWR 
Morb Mortal Wkly Rep 2021; 70: 350– 
354. doi: http://dx.doi.org/10.15585/ 
mmwr.mm7010e3. (Guy et al., March 12, 
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Hatzius J et al. (2020, June 29). Face masks 
and GDP. Goldman Sachs Research. 
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insights/pages/face-masks-and-gdp.html. 
(Hatzius et al., June 29, 2020) 
Hendrix J et al. (2020, July 17). Absence of 
apparent transmission of SARS–CoV–2 
from two stylists after exposure at a hair 
salon with a universal face covering 
policy—Springfield, Missouri, May 2020. 
MMWR, 69, 930–932. doi: http://
dx.doi.org/10.15585/mmwr.mm6928e2. 
(Hendrix et al., July 17, 2020) 
Honein MA et al. (2020, December 11). 
Summary of Guidance for Public Health 
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Community Transmission of SARS– 
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2020. MMWR Morb Mortal Wkly Rep 
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(Honein et al., December 11, 2020) 
Jehn M et al. (2021, October 1). Association 
between K–12 school mask policies and 
school-associated COVID–19 outbreaks— 
Maricopa and Pima Counties, Arizona, 
July–August 2021. MMWR 70: 1372– 
1373. http://dx.doi.org/10.15585/ 
mmwr.mm7039e1. (Jehn et al., October 1, 
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Johansson MA et al. (2021, January 7). SARS– 
CoV–2 transmission from people without 
COVID–19 symptoms. JAMA Network 
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(Johansson et al., January 7, 2021) 
Joo H, Miller GF, Sunshine G, et al. (2021, 
February 12). Decline in COVID–19 
Hospitalization Growth Rates Associated 
with Statewide Mask Mandates—10 
States, March–October 2020. MMWR 
Morb Mortal Wkly Rep 2021; 70: 212– 
216. doi: http://dx.doi.org/10.15585/ 
mmwr.mm7006e2. (Joo et al., February 
12, 2021) 
Karaivanov A et al. (2020, October 1). Face 
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spread of COVID–19: Evidence from 
Canada. National Bureau of Economic 
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w27891. (Karaivanov et al., October 1, 
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Leffler C et al. (2020, December 2). 
Association of country-wide Coronavirus 
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lockdowns, and public wearing of masks. 
The American Journal of Tropical 
Medicine and Hygiene, 103(6), 2400– 
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1015. (Leffler et al., December 2, 2020) 
Lyu W and Wehby G. (2020, June 16). 
Community use of face masks and 
COVID–19: Evidence from a natural 
experiment of state mandates in the U.S. 
Health Affairs, 39(8), 1419–1425. doi: 
10.1377/hlthaff.2020.00818. (Lyu and 
Wehby, June 16, 2020) 
Mitze T et al. (2020, June 1). Face masks 
considerably reduce COVID–19 cases in 
Germany: A synthetic control method 
approach. IZA—Institute of Labor 
Economics (Germany). http://ftp.iza.org/ 
dp13319.pdf. (Mitze et al., June 1, 2020) 
Moghadas S et al. (2020, July 6). The 
implications of silent transmission for 
the control of COVID–19 outbreaks. 
Proceedings of the National Academy of 
Sciences of the United States of America, 
117(30), 17513–17515. doi: https://
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(Moghadas et al., July 6, 2020) 
Occupational Safety and Health 
Administration (OSHA). (2021, January 
28). Frequently asked questions COVID– 
19. https://www.osha.gov/coronavirus/ 
faqs. (OSHA, January 28, 2021) 
Payne D et al. (2020, June 12). SARS–CoV– 
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a sample of U.S. Navy Service 
Members—USS Theodore Roosevelt. 
MMWR, 69(23), 714–721. doi: https://
doi.org/10.15585/mmwr.mm6923e4. 
(Payne et al., June 12, 2020) 
Schwartz K et al. (2020, April 14). Lack of 
COVID–19 transmission on an 
international flight. Canadian Medical 
Association Journal, 192(15), E410. doi: 
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(Schwartz et al., April 14, 2020) 
Siegel J, Rhinehart E, Jackson M, Chiarello L, 
and the Healthcare Infection Control 
Practices Advisory Committee. (2007). 
2007 Guideline for isolation precautions: 
Preventing transmission of infectious 
agents in healthcare settings. https://
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guidelines/isolation-guidelines-H.pdf. 
(Siegel et al., 2007) 
Ueki H et al. (2020, October 21). Effectiveness 
of Face Masks in Preventing Airborne 
Transmission of SARS–CoV–2. mSphere 
5: e00637–20. https://doi.org/10.1128/ 
mSphere.00637-20. (Ueki et al., October 
21, 2020) 
Verma S et al. (2020, June 30). Visualizing 
the effectiveness of face masks in 
obstructing respiratory jets. Physics of 
Fluids, 32(6), 061708. doi: https://
doi.org/10.1063/5.0016018. (Verma et al., 
June 30, 2020) 
Wang X et al. (2020, July 14). Association 
between universal masking in a health 
care system and SARS–CoV–2 positivity 
among health care workers. Journal of 
the American Medical Association, 
324(7), 703–704. doi: 10.1001/ 
jama.2020.12897. (Wang et al., July 14, 
2020) 
Wang Y et al. (2020, May 11). Reduction of 
secondary transmission of SAR–CoV–2 
in households by face mask use, 
disinfection and social distancing: A 
cohort study in Beijing, China. BMJ 
Global Health, 5, e002794. doi: 10.1136/ 
bmjgh–2020–002794. (Wang et al., May 
11, 2020) 
World Health Organization (WHO). (2020, 
December 1). Mask use in the context of 
COVID–19. https://www.who.int/ 
emergencies/diseases/novel-coronavirus- 
2019/advice-for-public/when-and-how- 
to-use-masks. (WHO, December 1, 2020) 
J. Information Provided to Employees 
In order to successfully implement 
the provisions of the ETS, it is critical 
that employers provide relevant 
information to employees. Employers 
must provide employees with the 
information specified in paragraph (j), 
an essential part of this ETS, because it 
helps to ensure that employees 
understand both their rights and 
responsibilities under the ETS and their 
employer’s policies and procedures. The 
ETS cannot be effective if employees do 
not have sufficient knowledge and 
understanding of the requirements of 
the ETS, their employers’ policies and 
procedures, information about available 
COVID–19 vaccines, their protections 
against retaliation and discrimination, 
and the potential penalties for 
knowingly providing false information 
to their employer. 
Paragraph (j) provides that employers 
must provide the required information 
to each employee in a language and at 
a literacy level the employee 
understands. This means that if an 
employer has employees that speak 
different languages or are at different 
literacy levels, the employer must 
present information in a way that 
ensures each employee can understand 
it. This may require an employer to 
create different materials for different 
groups of employees (e.g., materials in 
different languages). When information 
must be translated into different 
languages, employers must ensure the 
translation is one the employees can 
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understand. When an employer 
provides employees with the required 
information in a manner employees 
understand, they help ensure that their 
implementation of this ETS is 
successful. 
The manner in which employers 
provide the required information to 
employees may vary based on the size 
and type of workplace. Employers have 
flexibility to communicate this 
information to employees using any 
effective methods that are typically used 
in their workplaces, and may choose 
any method of informing employees so 
long as each employee receives the 
information specified in the standard in 
a language and at a literacy level they 
understand. For example, an employer 
may provide this information to 
employees through email 
communications, printed fact sheets, or 
during a discussion at a regularly 
scheduled team meeting. To ensure 
comprehension of the information 
provided, employers can identify a 
point-of-contact for employees who 
have questions about the information 
provided. 
Paragraphs (j)(1)–(4) specify the 
information that employers must 
provide to employees. Paragraph (j)(1) 
requires employers to provide each 
employee with information regarding 
the requirements of § 1910.501 and any 
policies and procedures the employer 
establishes to implement this ETS. The 
information provided to employees 
must cover any employer policies under 
paragraph (d), including the details of 
the employer’s vaccination policy. 
Employers must also inform employees 
about the process that will be used to 
determine employee vaccination status, 
as required under paragraph (e). In 
addition, employers must inform 
employees about the time and pay/leave 
they are entitled to for vaccinations and 
any side effects experienced following 
vaccinations, as required by paragraph 
(f). And employers must also inform 
employees about the procedures they 
need to follow to provide notice of a 
positive COVID–19 test or diagnosis of 
COVID–19 by a licensed healthcare 
provider, as required under paragraph 
(h), as well as the procedures to be used 
for requesting records under paragraph 
(l). Employers must provide additional 
information to unvaccinated employees, 
including information about the 
employer’s policies and procedures for 
COVID–19 testing and face coverings, as 
required by paragraphs (g) and (i), 
respectively. 
Some employers may have informed 
employees about their COVID-related 
workplace-specific policies, e.g., 
policies on vaccination, testing, and face 
coverings, prior to the effective date of 
this ETS. Employers may rely on any 
such prior communications for purposes 
of complying with paragraph (j)(1) to the 
extent that the prior communications 
meet the relevant requirements of 
paragraph (j) and there have been no 
changes to the relevant policies. 
Employers must review and evaluate the 
information already provided to 
determine whether it covers all of the 
information necessary under paragraph 
(j)(1). If previous information provided 
to employees did not cover all of the 
required elements, the employer must 
provide employees the information on 
those missing elements to come into 
compliance with the ETS. For example, 
if an employer has a mandatory 
vaccination policy and has already 
provided information to the employees 
on the policies and procedures the 
employer has established to implement 
that policy, and provided that 
information in a language and at a 
literacy level each employee can 
understand, the employer would not 
need to expend resources to provide 
that information again to meet the 
requirements under this ETS. However, 
the employer would still need to 
provide information to its employees 
about other new policies and 
procedures established to implement 
the ETS. 
When an employer’s policies or 
procedures change, the employer must 
provide any updated or supplemental 
information to employees. For example, 
an employer may initially opt to allow 
only paper copies as proof of COVID–19 
test results. Over time, however, the 
employer may decide that it wants to 
accept electronic proof of test results. If 
that employer modifies its policy to 
permit employees to submit electronic 
proof of test results, the employer must 
inform employees of any new or altered 
policies and procedures that the 
employer implements as a result. 
Paragraph (j)(2) requires employers to 
provide information to each employee 
about COVID–19 vaccine efficacy, 
safety, and the benefits of being 
vaccinated. To meet this requirement, 
employers must provide the CDC’s 
document, ‘‘Key Things to Know About 
COVID–19 Vaccines,’’ available at 
https://www.cdc.gov/coronavirus/2019- 
ncov/vaccines/keythingstoknow.html 
(CDC, October 7, 2021), to each 
employee. The employer may choose to 
provide this information to employees 
in either an electronic or print format. 
The CDC currently provides this 
document in multiple languages; 
however, employers may need to 
provide additional translations if 
necessary to inform each employee of 
the contents of the document in a 
language they understand. Employers 
do not have any further obligations to 
create or provide information on 
vaccine efficacy, safety, or the benefits 
of being vaccinated beyond providing 
the aforementioned CDC document to 
each employee. 
Paragraph (j)(3) requires employers to 
inform each employee about the 
requirements of 29 CFR 
1904.35(b)(1)(iv) and section 11(c) of the 
OSH Act. These two provisions work 
together to protect employees from 
retaliation for engaging in activities 
protected by OSHA statute or 
regulation. The first of these provisions, 
section 1904.35(b)(1)(iv), prohibits 
employers from discharging or in any 
manner discriminating against any 
employee for reporting a work-related 
injury or illness. The second provision, 
section 11(c) of the OSH Act, prohibits 
employers from discriminating against 
employees for exercising rights under, 
or as a result of actions required by, the 
ETS. Section 11(c) also protects 
employees from retaliation for filing an 
occupational safety or health complaint, 
reporting a work-related injury or 
illness, or otherwise exercising any 
rights afforded by the OSH Act. 
Retaliation takes many forms; it 
occurs when an employer (through a 
manager, supervisor, or administrator) 
fires an employee or takes any other 
type of adverse employment action 
against an employee for engaging in a 
protected activity. Adverse employment 
actions include discipline, reducing pay 
or hours, reassignment to a less 
desirable position, denying overtime or 
promotion, intimidation or harassment, 
and any other action that would 
dissuade a reasonable employee from 
raising a concern about a possible 
violation or engaging in other protected 
activity (see Burlington Northern & 
Santa Fe Railway Co. v. White, 548 U.S. 
53, 57 (2006) holding, in the Title VII 
context, that the test for determining 
whether a particular employment action 
is materially adverse is whether it 
‘‘could well dissuade’’ a reasonable 
person from engaging in protected 
activity). 
The ETS does not change employers’ 
substantive obligations under either 29 
CFR 1904.35(b)(1)(iv) or section 11(c) of 
the OSH Act. Rather, it simply requires 
employers to make employees aware of 
these provisions and their requirements. 
By increasing awareness, OSHA 
believes that paragraph (j)(3) will 
prevent acts of retaliation from 
occurring in the workplace, encourage 
employees to exercise their right to the 
protections of the ETS, and engage 
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employees in actions required by the 
ETS. 
It is critically important for employees 
to be aware of, and to be able to 
exercise, their rights under the ETS. 
Employee participation is essential to 
mitigating the spread of COVID–19 in 
the workplace, and fear of retaliation 
would undermine the effectiveness of 
the ETS. For example, per paragraph (f) 
of this ETS, employers must provide 
employees up to 4 hours of paid time at 
the employee’s regular rate of pay for 
each vaccination dose, as well as 
reasonable time and paid sick leave for 
employees to recover from side effects 
experienced following any vaccination 
dose. If an employer fails to comply 
with paragraph (f) and then retaliates 
against employees who object, 
employees may be deterred from being 
vaccinated. Similarly, if employees fear 
retaliation, they will be less likely to 
voice concerns about unvaccinated co- 
workers who do not wear required face 
coverings (see paragraph (i)(1)). A 
workplace free from the threat of 
retaliation promotes collaboration 
between employers and employees and 
allows employers to more effectively 
implement the various requirements of 
this ETS. 
OSHA has received a record number 
of complaints of retaliation during the 
COVID–19 pandemic. The agency’s 
website shows that, as of September 26, 
2021, OSHA had received 5,788 
complaints of retaliation related to 
workplace protections from COVID–19 
(OSHA, September 29, 2021). These 
figures indicate that some employers 
need to be reminded that they are 
legally prohibited from engaging in 
retaliatory actions. Additionally, 
employees likely need reassurance of 
their legal right to engage in protected 
activity without fear of suffering from 
adverse employment actions. As such, it 
is critical for employers to inform 
employees of the prohibitions against 
retaliation in 29 CFR 1904.35(b)(1)(iv) 
and section 11(c) after the effective date 
of the ETS, without regard to any 
information they may have provided 
previously on these anti-retaliation 
provisions. As with the other parts of 
paragraph (j), employers have flexibility 
regarding how they will provide the 
required information. 
Paragraph (j)(4) requires employers to 
provide each employee with 
information regarding the prohibitions 
of 18 U.S.C. 1001 and Section 17(g) of 
the OSH Act, which provide for 
criminal penalties associated with 
knowingly supplying false statements or 
documentation. The first of these two 
provisions, 18 U.S.C. 1001(a) is 
described earlier in this preamble and 
provides for fines or imprisonment for 
persons who ‘‘knowingly and willfully’’ 
(1) falsifies, conceals, or covers up by 
any trick, scheme, or device a material 
fact; (2) makes any materially false, 
fictitious, or fraudulent statement or 
representation; or (3) makes or uses any 
false writing or document knowing the 
same to contain any materially false, 
fictitious, or fraudulent statement or 
entry. And section 17(g) of the OSH Act 
provides for fines up to $10,000, and 
imprisonment for not more than six 
months, or both, for anyone who 
‘‘knowingly makes any false statement, 
representation, or certification’’ in any 
application, record, report, plan, or 
other document ‘‘filed or required to be 
maintained pursuant to this chapter.’’ 
False statements or documents made or 
submitted for purposes of complying 
with policies required by this ETS could 
fall under either or both of these 
statutory provisions. 
This ETS requires that each employee 
provide their employer either COVID– 
19 vaccination documentation 
(paragraph (e)), or, if applicable, regular 
COVID–19 test results (paragraph (g)). 
There is a significant public health 
interest in ensuring employees provide 
this information truthfully to the 
employer. Employers cannot effectively 
implement the requirements of this ETS 
based on false information. By 
increasing awareness of the possible 
penalties an employee may face for 
misrepresenting their vaccination status 
or test results, OSHA intends to 
discourage such behavior. Employers 
can satisfy the requirement of paragraph 
(j)(4) by providing each employee with 
the text of the two statutory provisions 
in hard copy or via electronic 
communication (e.g., email), translated 
as necessary into other languages, 
emphasizing the importance of 
providing truthful information about 
vaccine status and test results, and 
explaining that providing false 
information could be punishable under 
the two provisions. Employers are not 
required to provide further explanation 
of the statutory provisions or to provide 
legal advice. 
Information requirements are routine 
components of OSHA standards. The 
inclusion of information requirements 
in this ETS reflects the agency’s 
conviction, as noted above, that 
informed employees are essential to the 
implementation of any effective 
occupational safety and health policy or 
procedure. OSHA believes that 
informing employees about their rights 
and responsibilities under the ETS; the 
employer’s policies and procedures; and 
the safety, efficacy, and benefits of 
vaccination will help increase the 
number of employees vaccinated and 
will facilitate effective implementation 
of the standard by employers. 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, October 7). Key Things to 
Know About COVID–19 Vaccines. 
https://www.cdc.gov/coronavirus/2019- 
ncov/vaccines/keythingstoknow.html. 
(CDC, October 7, 2021). 
Occupational Safety and Health 
Administration (OSHA). (2021, 
September 29). COVID–19 Response 
Summary: Summary Data for Federal 
Programs—Whistleblower Data. https://
www.whistleblowers.gov/covid-19-data. 
(OSHA, September 29, 2021). 
K. Reporting COVID–19 Fatalities and 
Hospitalizations to OSHA 
OSHA has required employers to 
report work-related fatalities and certain 
work-related hospitalizations under its 
recordkeeping regulation since 1971. 
These requirements have been an 
important part of the agency’s statutory 
mission to assure safe and healthful 
working conditions for all working 
people. All employers covered by the 
OSH Act, including employers who are 
partially exempt from maintaining 
injury and illness records, are required 
to comply with OSHA reporting 
requirements at 29 CFR 1904.39. Under 
OSHA’s current reporting regulation, 
employers are required to report each 
work-related fatality to OSHA within 8 
hours of the event, and each work- 
related in-patient hospitalization, 
amputation, and loss of an eye within 
24 hours of the event. 
The purpose of the reporting 
requirement in § 1904.39 is to provide 
OSHA with information to determine 
whether it is necessary for the agency to 
conduct an immediate investigation at a 
specific establishment. Employer 
reports of work-related COVID–19 
fatalities and in-patient hospitalizations 
are an important element of the agency’s 
efforts to reduce occupational exposure 
to the virus. After receiving an employer 
report, OSHA decides whether an 
inspection is needed to determine the 
cause of a work-related COVID–19 
fatality or in-patient hospitalization, and 
whether any OSHA standards may have 
been violated. These reports are critical 
for the agency to respond quickly to 
COVID–19 exposure that may pose an 
ongoing risk to other employees at the 
worksite. Timely investigation also 
allows OSHA to view evidence at a 
workplace soon after a work-related 
COVID–19 fatality or in-patient 
hospitalization has occurred, and can 
make it easier for the agency to gather 
relevant information from others at the 
worksite that might be useful in 
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protecting other employees. Moreover, 
prompt inspection enables OSHA to 
gather information to evaluate whether 
its current standards adequately address 
the workplace hazard presented from 
COVID–19. The information gathered 
from employer reports is also used by 
the agency to form the basis of statistical 
data on the causes and remediation of 
work-related COVID–19 fatalities and 
in-patient hospitalizations. 
In order to address the unique 
circumstances presented by COVID–19, 
and to facilitate OSHA investigation and 
better workplace health surveillance, 
paragraph (k)(1) requires covered 
employers to report each work-related 
COVID–19 fatality to OSHA within 8 
hours of the employer learning about 
the fatality, and each work-related 
COVID–19 in-patient hospitalization to 
OSHA within 24 hours of the employer 
learning about the in-patient 
hospitalization. As described in more 
detail in the following discussion, 
OSHA is adding these additional 
COVID–19 reporting requirements 
because the delay in the manifestation 
and progression of symptoms of 
COVID–19 can lead to hospitalization or 
fatality outside the normal window for 
reporting those workplace events. 
Paragraph (k)(1)(i) provides that 
employers must report each work- 
related COVID–19 fatality to OSHA 
within 8 hours of the employer learning 
about the fatality. Under this paragraph, 
an employer must make a report to 
OSHA within 8 hours of learning both 
(1) that an employee has died from a 
confirmed case of COVID–19, and (2) 
that the cause of death was the result of 
a work-related exposure to COVID–19. 
Employers are only required to report 
confirmed cases of COVID–19 as 
defined by the Centers for Disease 
Control and Prevention (CDC) (CDC, 
May 20, 2020). Typically, the cause of 
death is determined by the physician 
who was responsible for a patient who 
died in a hospital, although the cause of 
death can also be determined by others 
such as medical examiners or coroners 
(Pappas, May 19, 2020). 
The requirement in paragraph (k)(1)(i) 
is similar to the fatality reporting 
requirement in OSHA’s regulation at 29 
CFR 1904.39(a)(1), which requires an 
employer to report to OSHA within 8 
hours after the death of any employee as 
the result of a work-related incident. 
However, 29 CFR 1904.39(b)(6) requires 
employers to report a work-related 
fatality to OSHA only if the fatality 
occurs within 30 days of ‘‘the work- 
related incident.’’ Prior to this ETS, for 
purposes of reporting events involving 
COVID–19, OSHA interpreted the 
phrase ‘‘the work-related incident’’ to 
mean ‘‘exposure’’ in the work 
environment. Therefore, in order to be 
reportable under 29 CFR 1904.39(a)(1), 
a work-related fatality due to COVID–19 
needed to have occurred within 30 days 
of an employee’s exposure in the work 
environment. Given the possibility of 
long-term illness before death, the 30- 
day limitation for reporting fatalities to 
OSHA could restrict OSHA’s ability to 
receive information about work-related 
COVID–19 fatalities. 
To address these issues, OSHA has 
chosen not to apply the 30-day 
limitation period from 29 CFR 
1904.39(b)(6) to the reporting provision 
in paragraph (k) (see paragraph (k)(2)). 
Therefore, the requirement to report 
these fatalities is not limited by the 
length of time between workplace 
exposure and death. The reporting of 
work-related COVID–19 fatalities that 
occur beyond 30 days from the time of 
exposure will enable the agency to 
evaluate more work-related COVID–19 
fatalities to determine whether 
immediate investigations are needed to 
prevent other employees at the same 
worksite from being exposed to the 
virus. The report of these fatalities to 
OSHA facilitates the agency’s timely 
tracking of this data. Accordingly, 
paragraph (k)(1)(i) requires employers to 
report each work-related COVID–19 
fatality to OSHA within 8 hours of the 
employer learning about the fatality 
regardless of when the exposure in the 
work environment occurred. 
Paragraph (k)(1)(ii) of the standard 
requires an employer to report each 
work-related COVID–19 in-patient 
hospitalization to OSHA within 24 
hours of the employer learning about 
the in-patient hospitalization. Under 
this paragraph, and similar to OSHA’s 
reporting regulation at 29 CFR 1904.39, 
an employer must make a report to 
OSHA within 24 hours of learning that 
(1) an employee has been in-patient 
hospitalized due to a confirmed case of 
COVID–19, and (2) the reason for the 
hospitalization was the result of a work- 
related exposure to the illness. 
OSHA’s current reporting regulation 
at 29 CFR 1904.39(a)(2) provides that, 
within 24 hours after the in-patient 
hospitalization of one or more 
employees, as the result of a work- 
related incident, an employer must 
report the in-patient hospitalization to 
OSHA. 29 CFR 1904.39(b)(6) requires 
employers to only report in-patient 
hospitalizations to OSHA if the 
hospitalization occurs within 24 hours 
of the work-related incident. For 
example, if an employee trips in the 
workplace and sustains an injury on 
Monday, but is not hospitalized until 
Thursday, the employer does not need 
to report the event. In this example, ‘‘the 
work-related incident’’ occurred on 
Monday when the employee tripped 
and was injured in the workplace. Also, 
under § 1904.39, employers must report 
in-patient hospitalizations to OSHA 
within 24 hours of knowing both that 
the employee has been in-patient 
hospitalized and that the reason for the 
hospitalization was the result of ‘‘the 
work-related incident’’ (see 29 CFR 
1904.39(a)(2), (b)(7)–(b)(8)). In non- 
COVID cases, the work-relatedness of 
the injury is typically apparent 
immediately. 
Since the beginning of the pandemic, 
the reporting of work-related COVID–19 
in-patient hospitalizations under 29 
CFR 1904.39 has presented unique 
challenges. As noted above, for 
purposes of reporting COVID–19 
fatalities and in-patient hospitalizations, 
OSHA has interpreted the phrase ‘‘the 
work-related incident’’ in 29 CFR 
1904.39(b)(6) to mean an employee’s 
‘‘exposure’’ to COVID–19 in the work 
environment. Thus, in order to be 
reportable, an in-patient hospitalization 
needed to occur within 24 hours of an 
employee’s exposure to COVID–19 in 
the work environment. Given the 
incubation period of the virus, and the 
typical timeframe between exposure and 
the emergence of symptoms serious 
enough to require hospitalization, it is 
extremely unlikely for an in-patient 
hospitalization to occur within 24 hours 
of an employee’s exposure to the virus. 
To address these issues, paragraph 
(k)(1)(ii) does not limit the COVID–19 
reporting requirement to only those 
hospitalizations that occur within 24 
hours of exposure, as in 29 CFR 
1904.39(b)(6). This change in the 
reporting requirement will result in 
OSHA making more determinations as 
to whether immediate investigations are 
needed at additional worksites. Given 
the severity of the disease, and how 
quickly it can spread, it is essential that 
remediation efforts at a workplace be 
undertaken immediately. As noted 
above, it is critical for OSHA to respond 
quickly to hazardous conditions where 
employees have been hospitalized. The 
elimination of the 24-hour limitation 
period will not only allow OSHA to 
receive more employer reports about 
work-related COVID–19 in-patient 
hospitalizations and, as a result, shed 
light on where severe COVID–19 events 
are occurring, but it will also enable the 
agency to respond more quickly and 
effectively to these situations. 
Accordingly, employers must report 
each work-related COVID–19 in-patient 
hospitalization to OSHA regardless of 
when the employee’s exposure in the 
workplace occurred (paragraph 
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(k)(1)(ii)). But consistent with OSHA’s 
normal reporting requirements, when 
hospitalization for a work-related case 
of COVID–19 does occur, the employer 
must report it within 24 hours of 
learning about the hospitalization. 
Additionally, for purposes of this 
section, OSHA defines in-patient 
hospitalization as a formal admission to 
the in-patient services of a hospital or 
clinic for care or treatment (see 29 CFR 
1904.39(b)(9) and (b)(10)). The 
determination as to whether an 
employee is formally admitted into the 
in-patient service is made by the 
hospital or clinic. Treatment in an 
Emergency Room only is not reportable. 
I. Work-Relatedness Determinations 
Given the nature of the disease, and 
the extent of community spread, in 
some cases, it may be difficult for an 
employer to determine whether an 
employee’s COVID–19 illness is work- 
related, especially when an employee 
has experienced potential exposure both 
in and out of the workplace. For 
purposes of this ETS, when evaluating 
whether a fatality or in-patient 
hospitalization is the result of a work- 
related case of COVID–19, employers 
must follow the criteria in OSHA’s 
recordkeeping regulation at 29 CFR 
1904.5 for determining work- 
relatedness. Applying the criteria in 29 
CFR 1904.5 under paragraph (k) of this 
ETS is consistent with how employers 
make work-relatedness determinations 
when reporting fatalities and other 
serious events under 29 CFR 1904.39. 
Under § 1904.5, employers must 
consider an injury or illness to be work- 
related if an event or exposure in the 
work environment either caused or 
contributed to the resulting condition, 
or significantly aggravated a pre-existing 
injury or illness. An injury or illness is 
presumed work-related if it results from 
events or exposures occurring in the 
work environment, unless an exception 
in § 1904.5(b)(2) specifically applies. 
Under this language, an injury or illness 
is presumed work-related if an event or 
exposure in the work environment is a 
discernable cause of the injury or illness 
(see 66 FR 66,943 (December 27, 2001)). 
According to 29 CFR 1904.5(b)(3), the 
‘‘work environment’’ includes the 
employer’s establishment and any other 
location where work is performed or 
where employees are present as a 
condition of their employment. Under 
29 CFR 1904.5(b)(3), employers should 
evaluate the employee’s work duties 
and environment and determine 
whether it is more likely than not that 
exposure at work caused or contributed 
to the illness (see 66 FR 5958–59 
(January 19, 2001)). 
Because of the typical incubation 
period of 3 to 14 days, an employee’s 
exposure to COVID–19 will usually be 
determined after the fact. Employers 
must make reasonable efforts to acquire 
the necessary information to make good- 
faith work-relatedness determinations 
under this section. In addition, the 
employer should rely on information 
that is reasonably available at the time 
of the fatality or in-patient 
hospitalization. 
A work-related exposure in the work 
environment would likely include close 
contact with a person known to be 
infected with COVID–19. For example, 
although work-relatedness must be 
determined on a case-by-case basis, if a 
number of COVID–19 illnesses develop 
among coworkers who work closely 
together without an alternative 
explanation, it is reasonable to conclude 
that an employee’s fatality or in-patient 
hospitalization is work-related. On the 
other hand, if there is not a known 
exposure to COVID–19 that would 
trigger the presumption of work- 
relatedness, the employer must evaluate 
the employee’s work duties and 
environment to determine whether it is 
more likely than not that the employee 
was exposed to COVID–19 during the 
course of their employment. Employers 
should consider factors such as: 
• The type, extent, and duration of 
contact the employee had at the work 
environment with other people, 
particularly the general public. 
• Physical distancing and other 
controls that impact the likelihood of 
work-related exposure. 
• The extent and duration of time 
spent in a shared indoor space with 
limited ventilation. 
• Whether the employee had work- 
related contact with anyone who 
exhibited signs and symptoms of 
COVID–19. 
Since 1971, under OSHA’s 
recordkeeping system, employers have 
been making work-relatedness 
determinations regarding workplace 
fatalities, injuries, and illnesses. In 
general, employers are in the best 
position to obtain information, both 
from the employee and the workplace, 
necessary to make a work-relatedness 
determination. Although employers may 
rely on experts and healthcare 
professionals for guidance, the 
determination of work-relatedness 
ultimately rests with the employer. 
Finally, OSHA wishes to emphasize 
that, under OSHA’s recordkeeping 
regulation at 29 CFR 1904, employers 
must record on the OSHA 300 log each 
work-related fatality, injury, and illness 
reported to OSHA under § 1904.39. The 
work-relatedness determination for 
fatality and in-patient hospitalization is 
no different than the requirement to 
determine work-relatedness when 
entering fatalities, injuries and illness 
on the OSH 300 log. Accordingly, the 
work-relatedness determination for 
reporting COVID–19 fatalities and in- 
patient hospitalizations is a 
determination that is already required to 
be made by the employer. 
II. Time Periods for Reporting COVID– 
19 Fatalities and In-Patient 
Hospitalizations 
As noted above, under paragraph (k), 
employers must report each work- 
related COVID–19 fatality or 
hospitalization to OSHA within the 
specified timeframes based on when any 
agent or employee of the employer 
becomes aware of the reportable event. 
For example, an employer ‘‘learns’’ of a 
COVID–19 fatality or in-patient 
hospitalization when a supervisor, 
receptionist, or other employee at the 
company receives information from a 
family member or medical professional 
about an employee fatality or in-patient 
hospitalization. It is the employer’s 
responsibility to ensure that appropriate 
instructions and procedures are in place 
so that managers, supervisors, medical 
personnel, as well as other employees or 
agents of the company, who learn of an 
employee’s death or in-patient 
hospitalization due to COVID–19 know 
that the company must make a report to 
OSHA. 
Consistent with OSHA’s regulation at 
29 CFR 1904.39, the reporting clock 
begins to run with the occurrence of the 
reportable event. Under paragraph (k), 
in situations where the employer or the 
employer’s agent does not learn about 
the work-related COVID–19 fatality or 
in-patient hospitalization right away, 
the employer must make the report to 
OSHA within 8 hours for a fatality, or 
24 hours for an in-patient 
hospitalization, from the time the 
employer (or the employer’s agent) 
learns about the reportable event. For 
example, if an employee dies from a 
work-related case of COVID–19 on 
Sunday at 6:00 a.m., but the employer 
does not learn about the death until 
Monday at 8:00 a.m., the employer has 
until 4:00 p.m. that day to make the 
report to OSHA. Similarly, if an 
employee is in-patient hospitalized for a 
work-related case of COVID–19 at 8:30 
p.m. on Monday, but the employer or 
the employer’s agent(s) does not learn 
about the hospitalization until 9:00 a.m. 
the next day (Tuesday), then the 
employer would be required to make the 
report to OSHA within 24 hours of 
learning of the in-patient hospitalization 
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(i.e., by 9:00 a.m. on Wednesday) (see 29 
CFR 1904.39(b)(7)). 
Likewise, if an employer does not 
learn right away that a reportable 
fatality or in-patient hospitalization is 
work-related, the employer must make 
the report to OSHA within 8 hours or 
24 hours of learning that the death or in- 
patient hospitalization was the result of 
a work-related COVID–19 exposure. For 
example, if an employee is in-patient 
hospitalized for a case of COVID–19 at 
9:00 a.m. on Monday, but the employer 
does not have enough information to 
make a work-relatedness determination 
until 11:00 a.m. on Monday, then the 
employer would be required to report 
the hospitalization within 24 hours of 
learning that the hospitalization was 
work-related (i.e., by 11:00 a.m. on 
Tuesday) (see 29 CFR 1904.39(b)(8)). 
Finally, if an employer makes a report 
to OSHA concerning a work-related 
COVID–19 in-patient hospitalization 
and that employee subsequently dies 
from the illness, the employer does not 
need to make an additional fatality 
report to OSHA. 
III. How To Report COVID–19 Fatalities 
and In-Patient Hospitalizations and 
What Information Must Be Included in 
the Report 
Paragraph (k)(2) of the standard 
provides that when reporting work- 
related COVID–19 fatalities and in- 
patient hospitalizations to OSHA in 
accordance with paragraph (k)(1), the 
employer must follow the requirements 
in 29 CFR 1904.39, except for 29 CFR 
parts 1904.39(a)(1)–(2) and (b)(6). As 
explained above, OSHA has included 
specific provisions for the reporting of 
work-related COVID–19 fatalities and 
in-patient hospitalizations that differ 
from 29 CFR 1904.39. However, when 
making COVID–19 fatality and in- 
patient hospitalization reports to OSHA, 
employers must follow the other 
reporting procedures set forth in 
§ 1904.39. Specifically, under 
§ 1904.39(a)(3), employers have three 
options for reporting work-related 
fatalities and in-patient hospitalizations 
to OSHA: 
1. By telephone to the OSHA Area 
Office that is nearest to the site of the 
incident; 
2. by telephone to the OSHA toll-free 
central telephone number, 1–800–321– 
OSHA (1–800–321–6742); 
3. by electronic submission using the 
reporting application located on 
OSHA’s public website at 
www.osha.gov. 
Section 1904.39(a)(3) also allows 
employers to report work-related 
fatalities and in-patient hospitalizations 
to OSHA in person to the OSHA Area 
Office that is nearest to the site of the 
incident. However, because many 
OSHA Area Offices are closed to the 
public during the COVID–19 pandemic, 
employers must use one of the three 
options listed above. In addition, 
§ 1904.39(b)(1) makes clear that, if the 
OSHA Area Office is closed, an 
employer may not report a work-related 
fatality or in-patient hospitalization by 
leaving a message on OSHA’s answering 
machine, faxing the Area Office, or 
sending an email. Instead, the employer 
must make the report by using the 800 
number or the reporting application 
located on OSHA’s public website at 
www.osha.gov. 
The other provisions in 29 CFR 
1904.39 (except for 29 CFR 
1904.39(a)(1)–(2) and (b)(6)) also apply 
to the reports required by paragraph (k). 
For example, employers should consult 
29 CFR 1904.39(b)(2) to determine what 
information employers must give to 
OSHA when making COVID–19 fatality 
or in-patient hospitalization reports. Per 
that provision, employers must give 
OSHA the following information for 
each fatality or in-patient 
hospitalization: The establishment 
name, the location of the work-related 
incident, the time of the work-related 
incident, the type of reportable event 
(i.e., fatality or in-patient 
hospitalization), the number of 
employees who suffered a fatality or in- 
patient hospitalization, the names of the 
employees who suffered a fatality or in- 
patient hospitalization, the employer’s 
contact person and his or her phone 
number, and a brief description of the 
work-related incident. 
References 
Centers for Disease Control and Prevention. 
(2020, May 20). Reporting and Coding 
Deaths Due to COVID–19. https://
www.cdc.gov/nchs/covid19/coding-and- 
reporting.htm. (CDC, May 20, 2020). 
Pappas, S. (2020, May 19). How COVID–19 
Deaths are Counted. Scientific American. 
https://www.scientificamerican.com/ 
article/how-covid-19-deaths-are- 
counted1/. (Pappas, May 19, 2020). 
L. Availability of Records 
Section 8(c)(1) of the Act requires 
employers to ‘‘make, keep and preserve, 
and make available to the Secretary [of 
Labor] or the Secretary of Health and 
Human Services, such records regarding 
his activities relating to this Act as the 
Secretary, in cooperation with the 
Secretary of Health and Human 
Services, may prescribe by regulation as 
necessary or appropriate for the 
enforcement of this Act or for 
developing information regarding the 
causes and prevention of occupational 
accidents and illnesses.’’ Section 8(c)(2) 
of the Act specifically directs the 
Secretary of Labor to promulgate 
regulations requiring employers to 
maintain accurate records of work- 
related injuries and illnesses. Section 
8(c)(3) of the Act requires employers to 
‘‘maintain accurate records of employee 
exposures to potentially toxic materials 
or harmful physical agents which are 
required to be monitored or measured 
under section 6 [of the Act.]’’ In 
accordance with section 8(c), paragraph 
(l) of the ETS includes availability of 
records requirements for certain 
COVID–19-related records required to 
be created and maintained by the ETS. 
This paragraph provides a right of 
access to records by employees, 
employee representatives, and OSHA. 
Paragraph (l)(1) specifies that the 
employer must make available, for 
examination and copying, the 
individual COVID–19 vaccine 
documentation and any COVID–19 test 
results required by the ETS for a 
particular employee to that employee 
and to anyone having written 
authorized consent of that employee by 
the end of the next business day after a 
request. Prompt employee access to this 
information ensures that employees 
have the information necessary to take 
an active role in their employers’ efforts 
to prevent COVID–19 transmission in 
the workplace. In particular, in 
circumstances where employers or 
employees choose to have the 
employee’s COVID–19 test results go 
directly to the employer, paragraph 
(l)(1) gives the employee access to their 
own records. Access to COVID–19 test 
results may be helpful for a requesting 
employee in evaluating information 
relevant to COVID–19 exposure, 
including if that exposure occurred at 
the workplace. Prompt production of 
these records can also assist employees 
in making personal medical decisions 
and seeking care from a licensed 
healthcare provider if necessary. 
Employers should note that employee 
privacy is protected under the access to 
records provisions in paragraph (l)(1). 
Specifically, as noted above, paragraph 
(l)(1) requires employers to provide 
access to the vaccination records or 
COVID–19 test results for a particular 
employee to that employee or to anyone 
having that employee’s written 
permission. However, it does not 
authorize employers to allow anyone 
other than the particular employee to 
access their records or results without 
the written consent of that employee 
(except as provided for under paragraph 
(l)(3)). 
Paragraph (l)(2) requires the employer 
to make the following information 
available to an employee or an 
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employee representative on request: (1) 
The aggregate number of fully 
vaccinated employees at a workplace 
and (2) the total number of employees 
at that workplace. This information 
must be made available to these 
individuals by the end of the next 
business day after a request. Employers 
will be able to utilize the roster of each 
employee’s vaccination status they are 
required to maintain under paragraph 
(e)(4) of this section to provide this 
information promptly to a requester. 
Since the aggregate totals of fully 
vaccinated employees and total 
employees made available by request in 
paragraph (l)(2) do not contain any 
personal identifiable information or 
personal medical information, OSHA 
does not believe that access to these 
records raises any serious 
confidentiality or privacy concern if 
disclosed to employees or their 
representatives. 
OSHA believes that access to this 
information will allow employees and 
employee representatives to calculate a 
percentage of fully vaccinated 
employees at a workplace, evaluate the 
efficacy of the employer’s vaccination 
policy, raise any concerns identified to 
OSHA, and actively participate in the 
employer’s vaccination efforts. Without 
the provision of this information to 
employees and their representatives, the 
only potential check on whether the 
employer is complying with the 
requirements of the ETS would be 
OSHA inspections. The agency believes 
that making this information available 
to employee representatives will help 
ensure compliance with the 
requirements of the ETS and thereby 
protect workers. 
Consistent with 29 CFR 1904.35(a)(3), 
OSHA interprets the term ‘‘employee’’ 
as used in paragraph (l) to include 
former employees. In addition, for 
purposes of paragraph (l)(2), the term 
‘‘representative’’ is intended to have the 
same meanings as in 29 CFR 
1904.35(b)(2), which encompasses two 
types of employee representatives. The 
first is a personal representative of the 
employee, who is a person the employee 
designates, in writing, as his or her 
personal representative, or is a legal 
representative of a deceased or legally 
incapacitated employee. The second is 
an authorized representative, which is 
defined as an authorized collective 
bargaining agent of one or more 
employees working at the employer’s 
worksite. In accordance with these 
interpretations, OSHA also interprets 
the phrase ‘‘employee representative,’’ 
as used in paragraph (l)(2), to include 
the personal and authorized 
representatives of former employees. 
These interpretations are limited to 
these provisions. 
Under paragraphs (l)(1) and (l)(2), 
requesters are entitled to one free copy 
of each requested record, which is 
consistent with OSHA’s recordkeeping 
regulation at 29 CFR 1904.35. The cost 
of providing one free copy to 
employees, former employees, and/or 
their representatives is minimal, and 
these individuals are more likely to 
access the records if it is without cost. 
Allowing the employer to charge for a 
copy of the record would only delay the 
production of the information. After 
receiving an initial, free copy of a 
requested record or document, an 
employee, former employee, or 
representative may be charged a 
reasonable fee for copying duplicative 
records. However, no fee may be 
charged for an update to a previously 
requested record. It should be noted that 
each COVID–19 test is a separate record, 
and, as such, the employee or the 
representative is entitled to one free 
copy of each COVID–19 test record. 
Paragraph (l)(3) provides OSHA with 
a specific right of access. Under 
paragraph (l)(3)(i), employers must 
provide the written policy required by 
paragraph (d), and the aggregate 
numbers described in paragraph (l)(2) of 
this section (both the aggregate number 
of fully vaccinated employees at a 
workplace and the total number of 
employees at that workplace), to the 
Assistant Secretary for examination and 
copying within 4 business hours of a 
request. Consistent with the 
requirements in 29 CFR 1904.40(b)(2), if 
the records are maintained at a location 
in a different time zone, the employer 
may use the business hours of the 
establishment at which the records are 
located when calculating the deadline. 
Providing OSHA with prompt access 
to the written policy and the aggregate 
numbers allows the agency to more 
rapidly focus inspections on employers 
that may not be in compliance with the 
requirements of this ETS. In addition, 
this information will help OSHA 
determine what to focus on in an 
investigation. For example, if an 
employer has established, implemented, 
and is enforcing a written mandatory 
vaccination policy under paragraph 
(d)(1) and their aggregate numbers 
indicate that their entire workforce is 
fully vaccinated against COVID–19, the 
agency might approach the investigation 
differently than in a workplace where 
the employer’s written policy (under 
paragraph (d)(2)) allows employees to 
provide proof of regular testing for 
COVID–19 in accordance with 
paragraph (g) and wear a face covering 
in accordance with paragraph (i), 
instead of being fully vaccinated. This 
information also provides OSHA 
representatives with the ability to 
quickly check any vaccination claims 
made by an employer without 
undertaking an employee-by-employee 
assessment and assists OSHA 
representatives in their evaluation of the 
effectiveness of the employer’s written 
policy. 
Having this information within 4 
business hours of the request helps the 
agency act more quickly to protect 
employees and preserves agency 
resources. In addition, the 4-hour 
response time is consistent with similar 
obligations under other OSHA 
recordkeeping requirements, such as the 
recordkeeping requirement in 29 CFR 
1904.40(a). 
Paragraph (l)(3)(ii) requires employers 
to provide all other records and other 
documents that are required to be 
maintained by this section to the 
Assistant Secretary for examination and 
copying by the end of the next business 
day after a request. This means that 
employers must allow OSHA 
representatives to examine and copy 
each employee’s COVID–19 vaccine 
documentation (required to be 
maintained under paragraph (e)(4)), the 
roster of employee vaccination status 
(required to be maintained under 
paragraph (e)(4)), and each employee’s 
COVID–19 test results (required to be 
maintained under paragraph (g)(4)), 
upon request. 
As indicated in paragraph (c), the 
term Assistant Secretary includes the 
Assistant Secretary’s designees. 
Consequently, the records and 
information required to be provided to 
the Assistant Secretary under paragraph 
(l)(3) must be given to the Assistant 
Secretary or their representatives, such 
as OSHA’s Compliance Safety and 
Health Officers. 
As noted above, section 8 of the OSH 
Act recognizes OSHA’s right of access to 
records relating to employer compliance 
with occupational safety and health 
standards and regulations, including 
access to relevant employee medical 
records. OSHA does not believe that its 
inspectors need to obtain employee 
permission to access and review 
personally identifiable information. 
Gaining this permission would 
essentially make it impossible to obtain 
full access to the records in a timely 
manner, which is needed by OSHA to 
perform a meaningful workplace 
investigation. OSHA also has policies 
and procedures in place to ensure the 
privacy and confidentiality of employee 
records it accesses during inspections. 
Finally, without complete and timely 
access to the vaccine and testing 
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records, agency efforts to conduct 
immediate interventions to ensure 
employees are protected from COVID– 
19 at a specific workplace would be 
limited. 
OSHA does not prescribe specific 
methods for requests for records in this 
ETS. Employees, employee 
representatives, and the Assistant 
Secretary and designees can submit 
requests in any manner that provides 
adequate notice of the request to the 
employer. This may include requests by 
in writing (e.g., email, fax, letter), by 
phone, or in person. 
M. Dates 
To minimize transmission of COVID– 
19 in the workplace, it is essential that 
employers ensure that the provisions of 
this ETS are implemented as quickly as 
possible, but no later than the dates 
outlined in paragraph (m). This 
paragraph sets forth the effective date of 
the section and the compliance dates for 
specific requirements of the standard. 
The effective date for this ETS, as 
required by section 6(c)(1) of the OSH 
Act (29 U.S.C. 655(c)(1)), is the date of 
publication in the Federal Register. The 
compliance date for all provisions in the 
ETS is 30 days after the effective date, 
except for paragraph (g) (COVID–19 
testing for employees who are not fully 
vaccinated), which requires compliance 
within 60 days of the effective date. 
Given the grave danger to employees 
from occupational exposure to COVID– 
19, as previously described, the effective 
date and compliance dates provided for 
this ETS are reasonable and appropriate. 
For over a year and a half—since at 
least January 2020, when the Secretary 
of Health and Human Services declared 
COVID–19 to be a public health 
emergency for the entire United States— 
all employers have been made acutely 
aware of the importance of minimizing 
employees’ exposure to COVID–19 and 
many have willingly joined the global 
response to stop the spread of COVID– 
19 and to protect their employees. 
Therefore, many employers have 
already been encouraging their 
employees to get vaccinated against 
COVID–19. Many employers have also 
instituted vaccination mandates (see 
Technological Feasibility, Section IV.A. 
of this preamble, for more information). 
OSHA has published this ETS 
because there is great urgency in 
instituting the workplace protections 
OSHA has found to be necessary as 
quickly as possible. Unvaccinated 
workers are being hospitalized with 
COVID–19 every day, and many are 
dying, so it is particularly critical to 
remove obstacles as soon as possible for 
those who wish to be vaccinated. At the 
same time, OSHA has set the 
compliance dates to allow enough time 
for employers to obtain and read the 
standard, become knowledgeable about 
the standard’s requirements, and 
undertake the necessary steps for 
compliance. 
OSHA anticipates that employers will 
be able to implement measures to 
comply with most provisions of the ETS 
well within 30 days, pursuant to 
paragraph (m)(2)(i). Even in situations 
where an employer has not previously 
taken the required actions to address 
COVID–19 hazards in the workplace, 
steps such as developing a vaccination 
policy, determining employee 
vaccination status, providing support 
for employee vaccination, ensuring 
employees who are not fully vaccinated 
wear face coverings, and most other 
measures required under the standard 
can readily be completed within the 30- 
day time period. These measures do not 
require extensive lead times for large 
employers to implement. The scope of 
the standard is limited to employers 
with more than 100 employees largely 
because OSHA is especially confident 
that these employers will have the 
ability to implement the standard. 
Paragraph (m)(2)(ii) of the ETS 
provides a longer period of time—60 
days—for employers to comply with the 
requirements for COVID–19 testing in 
paragraph (g). Paragraph (g) requires 
employers to implement COVID–19 
testing and reporting of results for 
employees who are not fully vaccinated. 
One reason for this extended period of 
time for testing is that employers may 
need additional time to develop policies 
and procedures regarding COVID–19 
testing and associated recordkeeping. 
Perhaps more critically, this ETS is 
intended to incentivize vaccination, so 
this delayed compliance date was 
established to allow sufficient time for 
employees to complete a COVID–19 
primary vaccination before it is 
necessary to comply with the testing 
requirements in paragraph (g). The 60- 
day compliance period in paragraph 
(m)(2)(ii) provides employees with 
sufficient time to receive one dose of a 
single-dose primary vaccination (e.g., 
Janssen (Johnson & Johnson)) or both 
doses of a two-dose primary vaccination 
series (e.g., Pfizer-BioNTech, Moderna). 
For the Janssen COVID–19 vaccine, the 
primary vaccination takes 1 day to 
complete (CDC, August 10, 2021). 
Employees who receive the Janssen 
vaccine could therefore begin their 
primary vaccination at any time up to 
and including the 60th day from the 
date of publication in the Federal 
Register in order to be exempt from the 
testing requirements of paragraph (g). 
For the Pfizer-BioNTech COVID–19 
vaccine, the primary vaccination series 
takes 21 days to complete (CDC, August 
25, 2021). Employees receiving the 
Pfizer-BioNTech series could begin their 
primary vaccination series up to 39 days 
from the date of publication in the 
Federal Register. Finally, for the 
Moderna COVID–19 vaccine, the 
primary vaccination series takes 28 days 
to complete (CDC, August 23, 2021). 
Employees receiving the Moderna series 
could therefore begin their primary 
vaccination series up to 32 days from 
the date of publication in the Federal 
Register. 
As specified in paragraph (m)(2)(ii), if 
an employee completes the entire 
primary vaccination within 60 days 
following publication in the Federal 
Register, that employee does not have to 
be tested under paragraph (g), even if 
they have not yet completed the two 
week waiting period that is required to 
meet the definition of fully vaccinated 
in paragraph (c). Employers must begin 
compliance with the testing 
requirements of paragraph (g) only for 
employees who have not yet completed 
primary vaccination (i.e., employees 
who have not received any doses, 
employees who have received only one 
dose of a two-dose series) within 60 
days from the date of publication in the 
Federal Register. And because 
employers must have their vaccination 
support processes (as required by 
paragraph (f)) in place before employees 
would need to initiate their primary 
vaccination in time to avoid testing 
under this section, employees will be 
able to avoid all testing costs required 
by this ETS. 
Compliance with the requirements of 
the ETS within the specified dates is 
achievable. Many employers are likely 
already in compliance with at least 
some of the provisions of the ETS. 
Resources are also readily available to 
help employers achieve compliance. 
These resources include guidance 
issued by OSHA, the CDC, state and 
local governments, trade associations, 
and other organizations to help 
employers successfully implement 
vaccination, testing, and face covering 
requirements to minimize the 
transmission of COVID–19 in the 
workplace. OSHA therefore concludes 
that the compliance dates in this ETS 
strike a reasonable balance between 
incentivizing vaccination and allowing 
enough time for employers to comply. 
Although employers are not required 
to comply with the requirements of this 
ETS until 30 days from the date of 
publication in the Federal Register (60 
days for paragraph (g)), OSHA strongly 
encourages employers to implement the 
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required measures to support employee 
vaccination as soon as practicable. 
Providing support for employees to 
receive the COVID–19 vaccine and 
recover from side effects, as required in 
paragraph (f) of the ETS, prior to the 
compliance date may encourage 
employees to receive a COVID–19 
vaccination at the earliest possible date. 
This would not only reduce the grave 
danger of COVID–19 in the workplace 
but also reduce burdens on both 
employers and employees when the 
compliance dates for the additional 
requirements for employees who are not 
fully vaccinated arrive. 
References 
Centers for Disease Control and Prevention 
(CDC). (2021, August 10). Janssen 
COVID–19 Vaccine (Johnson & Johnson). 
https://www.cdc.gov/vaccines/covid-19/ 
info-by-product/moderna/index.html. 
(CDC, August 10, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, August 23). Moderna 
COVID–19 Vaccine. https://
www.cdc.gov/vaccines/covid-19/info-by- 
product/moderna/index.html. (CDC, 
August 23, 2021) 
Centers for Disease Control and Prevention 
(CDC). (2021, August 25). Pfizer- 
BioNTech COVID–19 Vaccine. https://
www.cdc.gov/vaccines/covid-19/info-by- 
product/pfizer/index.html. (CDC, August 
25, 2021) 
N. Severability 
OSHA’s amendment to its COVID–19 
ETS, Part 1910, Subpart U, includes a 
republication of § 1910.505, 
Severability. Section 1910.505 contains 
a severability clause, the primary 
purpose of which is to express OSHA’s 
intent that if any section or provision of 
the COVID–19 ETS is held invalid or 
unenforceable or is stayed or enjoined 
by any court of competent jurisdiction, 
the remaining sections or provisions 
should remain effective and operative. 
OSHA is including 29 CFR 1910.505 as 
part of this ETS for the same reasons the 
agency included the provision in the 
Healthcare ETS, and OSHA intends for 
it to have the same purposes and effects 
as those expressed in the preamble to 
the Healthcare ETS (86 FR 32617– 
32618), which is hereby included in the 
record for this ETS. 
Because subpart U is the result of two 
separate ETSs published at different 
times and subject to different time 
frames, but OSHA intends for both ETSs 
to be subject to the same principles of 
severability, OSHA has relied on the 
same centralized severability section for 
both for efficiency. For the benefit of the 
reader and for administrative 
convenience, this centralized 
severability section is located in the 
same subpart as the other provisions of 
the ETS. While either ETS remains in 
effect, it is OSHA’s intent that 29 CFR 
1910.505 remain in subpart U and 
operative as to either ETS still in effect. 
If both ETSs are not made permanent, 
29 CFR 1910.505 will cease to have 
effect along with the rest of subpart U. 
If either ETS is made permanent, OSHA 
will provide notice at that time of the 
agency’s intended application of 29 CFR 
1910.505 to the newly permanent 
standard. For example, if 29 CFR 
1910.502 becomes permanent because it 
has been finalized, but 29 CFR 1910.501 
remains a temporary requirement 
because it is not yet finalized, 29 CFR 
1910.505 would remain in subpart U 
and operative as to 29 CFR 1910.501 
and the agency would separately 
provide notice of how severability is 
intended to apply to the newly 
permanent 29 CFR 1910.502. 
O. Incorporation by Reference 
OSHA’s amendment to its COVID–19 
ETS, Part 1910, Subpart U, includes the 
addition of § 1910.501, Vaccination, 
Testing, and Face Coverings. This 
section incorporates by reference CDC’s 
‘‘Isolation Guidance.’’ 
This document, listed below, will be 
fixed in time and made publicly 
available. OSHA had previously 
incorporated this same document into 
29 CFR 1910.502 and listed it in subpart 
U’s incorporation by reference (IBR) 
section, 29 CFR 1910.509. Because 
subpart U is the result of two separate 
ETSs published at different times and 
subject to different time frames, but both 
incorporate documents by reference, 
OSHA has relied on the same 
centralized IBR section for both. For the 
benefit of the reader and for 
administrative convenience, this 
centralized IBR section is located in the 
same subpart as the other provisions of 
the ETS. 
While either ETS remains in effect, it 
is OSHA’s intent that 29 CFR 1910.509 
remain in subpart U. If both ETSs are 
not made permanent, 29 CFR 1910.509 
will cease to have effect along with the 
rest of subpart U. If either ETS is made 
permanent, OSHA intends to recodify 
the relevant standards for that ETS from 
29 CFR 1910.509 into 29 CFR 1910.6, 
the centralized IBR section for part 
1910. For example, if 29 CFR 1910.502 
becomes permanent because it has been 
finalized, but 29 CFR 1910.501 remains 
a temporary requirement because it is 
not yet finalized, OSHA would relocate 
all of 29 CFR 1910.502’s incorporated 
documents into 29 CFR 1910.6, but 29 
CFR 1910.509 would remain in subpart 
U and would list the one document 
incorporated by reference into 29 CFR 
1910.501. 
In this section, OSHA includes a list 
of the titles, editions/versions, and years 
of the incorporated documents. 
Stakeholders may consult 29 CFR 
1910.509 both to locate all of the 
documents incorporated by reference in 
subpart U (the paragraph in which the 
document is incorporated is listed there) 
and to find more details regarding how 
to locate the specific consensus 
standard and guidelines that have been 
incorporated by reference in the ETS. 
OSHA recognizes that the Centers for 
Disease Control and Prevention (CDC) 
may update their guidelines based on 
the most current available scientific 
evidence, but OSHA is only requiring 
compliance with CDC’s ‘‘Isolation 
Guidance’’ as incorporated by reference, 
which is fixed in time as of February 18, 
2021. 
As discussed in the preamble of the 
Healthcare ETS at 86 FR 32619, CDC’s 
guidance, including its ‘‘Isolation 
Guidance,’’ is not expressed in 
mandatory terms. As such, OSHA has 
determined it is not sufficiently 
protective or a meaningful alternative to 
a mandatory standard. OSHA has 
reviewed this guidance and determined 
that compliance with the safety 
measures and specific instructions in 
CDC’s ‘‘Isolation Guidance’’ is 
important to protect workers who work 
for employees with over 100 employees. 
For the same reasons as described in the 
Healthcare ETS (86 FR 32619), OSHA is 
incorporating this guidance by 
reference, and compliance with the 
recommendations will be mandatory. 
OSHA will be able to cite employers 
who do not follow them. Compliance 
with all applicable provisions of the 
incorporated document is required 
where the provisions into which they 
are incorporated are mandatory, 
whether the incorporated document sets 
out its directions in mandatory language 
or recommendations. OSHA recognizes 
that this document incorporated by 
reference into the ETS may become 
outdated when newer versions are 
published or other entities revise those 
documents. In that case, OSHA will 
work quickly to update the ETS through 
a new rulemaking or issue enforcement 
guidance, as appropriate. But OSHA 
also has a longstanding de minimis 
enforcement policy to allow employers 
to rely on documents that are at least as 
protective. 
OSHA is incorporating by reference 
(in 29 CFR 1910.509) the material 
below. A brief description of the 
guidance is provided in the text below. 
A description of its use can be found in 
the Regulatory Text, and Summary and 
Explanation (Section VI. of this 
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preamble), where the guidance is 
referenced. 
Regulatory Text—§§ 1910.501(h); 
1910.502(l) 
CDC’s Isolation Guidance (2021): This 
guidance provides steps to take when 
someone is experiencing COVID–19 
symptoms and/or tested positive for 
COVID–19. This document is available 
at www.osha.gov/coronavirus/ets/ibr. 
The CDC document is available at no 
cost through the contact information 
listed above. In addition, in accordance 
with § 1910.509(a)(1), this guidance is 
available for inspection at any Regional 
Office of the Occupational Safety and 
Health Administration (OSHA), or at the 
OSHA Docket Office, U.S. Department 
of Labor, 200 Constitution Avenue NW, 
Room N–3508, Washington, DC 20210; 
telephone: 202–693–2350 (TTY number: 
877–889–5627). Due to copyright issues, 
OSHA cannot post consensus standards 
on the OSHA website or through 
www.regulations.gov. 
List of Subjects 
29 CFR Part 1910 
COVID–19, Disease, Health, Health 
care, Health facilities, Incorporation by 
reference, Occupational safety and 
health, Public health, Quarantine, 
Reporting and recordkeeping 
requirements, Respirators, SARS–CoV– 
2, Telework, Vaccines, Viruses. 
29 CFR Parts 1915, 1917, 1918, 1926, 
and 1928 
COVID–19, Disease, Health, Health 
care, Health facilities, Occupational 
safety and health, Public health, 
Quarantine, Reporting and 
recordkeeping requirements, 
Respirators, SARS–CoV–2, Telework, 
Vaccines, Viruses. 
Authority and Signature 
James S. Frederick, Acting Assistant 
Secretary of Labor for Occupational 
Safety and Health, U.S. Department of 
Labor, authorized the preparation of this 
document pursuant to the following 
authorities: Sections 4, 6, and 8 of the 
Occupational Safety and Health Act of 
1970 (29 U.S.C. 653, 655, 657); Secretary 
of Labor’s Order 8–2020 (85 FR 58393 
(Sept. 18, 2020)); 29 CFR part 1911; and 
5 U.S.C. 553. 
James S. Frederick, 
Acting Assistant Secretary of Labor for 
Occupational Safety and Health. 
For the reasons set forth in the 
preamble, chapter XVII of title 29 of the 
Code of Federal Regulations is amended 
as follows: 
PART 1910—OCCUPATIONAL SAFETY 
AND HEALTH STANDARDS 
Subpart U—COVID–19 
■1. Revise the heading for Subpart U to 
read as set forth above. 
■2. The authority citation for subpart U 
continues to read as follows: 
Authority: 29 U.S.C. 653, 655, and 657; 
Secretary of Labor’s Order No. 8–2020 (85 FR 
58393); 29 CFR part 1911; and 5 U.S.C. 553. 
■3. Add § 1910.501 to subpart U to read 
as follows: 
§ 1910.501
Vaccination, testing, and face 
coverings. 
(a) Purpose. This section is intended 
to establish minimum vaccination, 
vaccination verification, face covering, 
and testing requirements to address the 
grave danger of COVID–19 in the 
workplace, and to preempt inconsistent 
state and local requirements relating to 
these issues, including requirements 
that ban or limit employers’ authority to 
require vaccination, face covering, or 
testing, regardless of the number of 
employees. 
Note 1 to paragraph (a): This section 
establishes minimum requirements that 
employers must implement. Nothing in this 
section prevents employers from agreeing 
with workers and their representatives to 
additional measures not required by this 
section and this section does not supplant 
collective bargaining agreements or other 
collectively negotiated agreements in effect 
that may have negotiated terms that exceed 
the requirements herein. The National Labor 
Relations Act of 1935 (NLRA) protects the 
right of most private-sector employees to take 
collective action to improve their wages and 
working conditions. 
(b) Scope and application. (1) This 
section covers all employers with a total 
of 100 or more employees at any time 
this section is in effect. 
(2) The requirements of this section 
do not apply to: 
(i) Workplaces covered under the 
Safer Federal Workforce Task Force 
COVID–19 Workplace Safety: Guidance 
for Federal Contractors and 
Subcontractors; or 
(ii) Settings where any employee 
provides healthcare services or 
healthcare support services when 
subject to the requirements of 
§ 1910.502. 
(3) The requirements of this section 
do not apply to the employees of 
covered employers: 
(i) Who do not report to a workplace 
where other individuals such as 
coworkers or customers are present; 
(ii) While working from home; or 
(iii) Who work exclusively outdoors. 
(c) Definitions. The following 
definitions apply to this section. 
Assistant Secretary means the 
Assistant Secretary of Labor for 
Occupational Safety and Health, U.S. 
Department of Labor, or designee. 
COVID–19 (Coronavirus Disease 2019) 
means the disease caused by SARS– 
CoV–2 (severe acute respiratory 
syndrome coronavirus 2). For clarity 
and ease of reference, this section also 
uses the term ‘‘COVID–19’’ when 
describing exposures or potential 
exposures to SARS–CoV–2. 
COVID–19 test means a test for SARS– 
CoV–2 that is: 
(i) Cleared, approved, or authorized, 
including in an Emergency Use 
Authorization (EUA), by the FDA to 
detect current infection with the SARS– 
CoV–2 virus (e.g., a viral test); 
(ii) Administered in accordance with 
the authorized instructions; and 
(iii) Not both self-administered and 
self-read unless observed by the 
employer or an authorized telehealth 
proctor. Examples of tests that satisfy 
this requirement include tests with 
specimens that are processed by a 
laboratory (including home or on-site 
collected specimens which are 
processed either individually or as 
pooled specimens), proctored over-the- 
counter tests, point of care tests, and 
tests where specimen collection and 
processing is either done or observed by 
an employer. 
Face covering means a covering that: 
(i)(A) completely covers the nose and 
mouth; 
(B) Is made with two or more layers 
of a breathable fabric that is tightly 
woven (i.e., fabrics that do not let light 
pass through when held up to a light 
source); 
(C) Is secured to the head with ties, 
ear loops, or elastic bands that go 
behind the head. If gaiters are worn, 
they should have two layers of fabric or 
be folded to make two layers; 
(D) Fits snugly over the nose, mouth, 
and chin with no large gaps on the 
outside of the face; and 
(E) Is a solid piece of material without 
slits, exhalation valves, visible holes, 
punctures, or other openings. 
(ii) This definition includes clear face 
coverings or cloth face coverings with a 
clear plastic panel that, despite the non- 
cloth material allowing light to pass 
through, otherwise meet this definition 
and which may be used to facilitate 
communication with people who are 
deaf or hard-of-hearing or others who 
need to see a speaker’s mouth or facial 
expressions to understand speech or 
sign language respectively. 
Facemask means a surgical, medical 
procedure, dental, or isolation mask that 
is FDA-cleared, authorized by an FDA 
EUA, or offered or distributed as 
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described in an FDA enforcement 
policy. Facemasks may also be referred 
to as ‘‘medical procedure masks.’’ 
Fully vaccinated means: 
(i) A person’s status 2 weeks after 
completing primary vaccination with a 
COVID–19 vaccine with, if applicable, 
at least the minimum recommended 
interval between doses in accordance 
with the approval, authorization, or 
listing that is: 
(A) Approved or authorized for 
emergency use by the FDA; 
(B) Listed for emergency use by the 
World Health Organization (WHO); or 
(C) Administered as part of a clinical 
trial at a U.S. site, if the recipient is 
documented to have primary 
vaccination with the active (not 
placebo) COVID–19 vaccine candidate, 
for which vaccine efficacy has been 
independently confirmed (e.g., by a data 
and safety monitoring board) or if the 
clinical trial participant at U.S. sites had 
received a COVID–19 vaccine that is 
neither approved nor authorized for use 
by FDA but is listed for emergency use 
by WHO; or 
(ii) A person’s status 2 weeks after 
receiving the second dose of any 
combination of two doses of a COVID– 
19 vaccine that is approved or 
authorized by the FDA, or listed as a 
two-dose series by the WHO (i.e., a 
heterologous primary series of such 
vaccines, receiving doses of different 
COVID–19 vaccines as part of one 
primary series). The second dose of the 
series must not be received earlier than 
17 days (21 days with a 4-day grace 
period) after the first dose. 
Mandatory Vaccination Policy is an 
employer policy requiring each 
employee to be fully vaccinated. To 
meet this definition, the policy must 
require: Vaccination of all employees, 
including vaccination of all new 
employees as soon as practicable, other 
than those employees: 
(i) For whom a vaccine is medically 
contraindicated; 
(ii) For whom medical necessity 
requires a delay in vaccination; or 
(iii) Who are legally entitled to a 
reasonable accommodation under 
federal civil rights laws because they 
have a disability or sincerely held 
religious beliefs, practices, or 
observances that conflict with the 
vaccination requirement. 
Respirator means a type of personal 
protective equipment (PPE) that is 
certified by the National Institute for 
Occupational Safety and Health 
(NIOSH) under 42 CFR part 84 or is 
authorized under an EUA by the FDA. 
Respirators protect against airborne 
hazards by removing specific air 
contaminants from the ambient 
(surrounding) air or by supplying 
breathable air from a safe source. 
Common types of respirators include 
filtering facepiece respirators (e.g., N95), 
elastomeric respirators, and powered air 
purifying respirators (PAPRs). Face 
coverings, facemasks, and face shields 
are not respirators. 
Workplace means a physical location 
(e.g., fixed, mobile) where the 
employer’s work or operations are 
performed. It does not include an 
employee’s residence. 
(d) Employer policy on vaccination. 
(1) The employer must establish, 
implement, and enforce a written 
mandatory vaccination policy. 
(2) The employer is exempted from 
the requirement in paragraph (d)(1) of 
this section only if the employer 
establishes, implements, and enforces a 
written policy allowing any employee 
not subject to a mandatory vaccination 
policy to choose either to be fully 
vaccinated against COVID–19 or provide 
proof of regular testing for COVID–19 in 
accordance with paragraph (g) of this 
section and wear a face covering in 
accordance with paragraph (i) of this 
section. 
Note 1 to paragraph (d): Under federal law, 
including the Americans with Disabilities 
Act (ADA) and Title VII of the Civil Rights 
Act of 1964, workers may be entitled to a 
reasonable accommodation from their 
employer, absent undue hardship. If the 
worker requesting a reasonable 
accommodation cannot be vaccinated and/or 
wear a face covering because of a disability, 
as defined by the ADA, the worker may be 
entitled to a reasonable accommodation. In 
addition, if the vaccination, and/or testing for 
COVID–19, and/or wearing a face covering 
conflicts with a worker’s sincerely held 
religious belief, practice or observance, the 
worker may be entitled to a reasonable 
accommodation. For more information about 
evaluating requests for reasonable 
accommodation for disability or sincerely 
held religious belief, employers should 
consult the Equal Employment Opportunity 
Commission’s regulations, guidance, and 
technical assistance including at: https://
www.eeoc.gov/wysk/what-you-should-know- 
about-covid-19-and-ada-rehabilitation-act- 
and-other-eeo-laws. 
(e) Determination of employee 
vaccination status. (1) The employer 
must determine the vaccination status of 
each employee. This determination 
must include whether the employee is 
fully vaccinated. 
(2) The employer must require each 
vaccinated employee to provide 
acceptable proof of vaccination status, 
including whether they are fully or 
partially vaccinated. Acceptable proof of 
vaccination status is: 
(i) The record of immunization from 
a health care provider or pharmacy; 
(ii) A copy of the COVID–19 
Vaccination Record Card; 
(iii) A copy of medical records 
documenting the vaccination; 
(iv) A copy of immunization records 
from a public health, state, or tribal 
immunization information system; or 
(v) A copy of any other official 
documentation that contains the type of 
vaccine administered, date(s) of 
administration, and the name of the 
health care professional(s) or clinic 
site(s) administering the vaccine(s); 
(vi) In instances where an employee is 
unable to produce acceptable proof of 
vaccination under paragraphs (e)(2)(i) 
through (v) of this section, a signed and 
dated statement by the employee: 
(A) Attesting to their vaccination 
status (fully vaccinated or partially 
vaccinated); 
(B) Attesting that they have lost and 
are otherwise unable to produce proof 
required by this section; and 
(C) Including the following language: 
‘‘I declare (or certify, verify, or state) 
that this statement about my vaccination 
status is true and accurate. I understand 
that knowingly providing false 
information regarding my vaccination 
status on this form may subject me to 
criminal penalties.’’ 
Note 1 to paragraph (e)(2)(vi): An 
employee who attests to their vaccination 
status should, to the best of their recollection, 
include the following information in their 
attestation: The type of vaccine administered; 
date(s) of administration; and the name of the 
health care professional(s) or clinic site(s) 
administering the vaccine(s). 
(3) Any employee who does not 
provide one of the acceptable forms of 
proof of vaccination status in paragraph 
(e)(2) of this section to the employer 
must be treated as not fully vaccinated 
for the purpose of this section. 
(4) The employer must maintain a 
record of each employee’s vaccination 
status and must preserve acceptable 
proof of vaccination for each employee 
who is fully or partially vaccinated. The 
employer must maintain a roster of each 
employee’s vaccination status. These 
records and roster are considered to be 
employee medical records and must be 
maintained as such records in 
accordance with § 1910.1020 and must 
not be disclosed except as required or 
authorized by this section or other 
federal law. These records and roster are 
not subject to the retention requirements 
of § 1910.1020(d)(1)(i) but must be 
maintained and preserved while this 
section remains in effect. 
(5) When an employer has ascertained 
employee vaccination status prior to the 
effective date of this section through 
another form of attestation or proof, and 
retained records of that ascertainment, 
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the employer is exempt from the 
requirements in paragraphs (e)(1) 
through (3) of this section only for each 
employee whose fully vaccinated status 
has been documented prior to the 
effective date of this section. For 
purposes of paragraph (e)(4) of this 
section, the employer’s records of 
ascertainment of vaccination status for 
each such person constitute acceptable 
proof of vaccination. 
(f) Employer support for employee 
vaccination. The employer must 
support COVID–19 vaccination as 
described in this paragraph. 
(1) Time for vaccination. The 
employer must: 
(i) Provide a reasonable amount of 
time to each employee for each of their 
primary vaccination dose(s); and 
(ii) Provide up to 4 hours paid time, 
including travel time, at the employee’s 
regular rate of pay for this purpose. 
(2) Time for recovery. The employer 
must provide reasonable time and paid 
sick leave to recover from side effects 
experienced following any primary 
vaccination dose to each employee for 
each dose. 
(g) COVID–19 testing for employees 
who are not fully vaccinated. (1) The 
employer must ensure that each 
employee who is not fully vaccinated 
complies with paragraph (g)(1)(i) or (ii) 
of this section: 
(i) An employee who reports at least 
once every 7 days to a workplace where 
other individuals such as coworkers or 
customers are present: 
(A) Must be tested for COVID–19 at 
least once every 7 days; and 
(B) Must provide documentation of 
the most recent COVID–19 test result to 
the employer no later than the 7th day 
following the date on which the 
employee last provided a test result. 
(ii) An employee who does not report 
during a period of 7 or more days to a 
workplace where other individuals such 
as coworkers or customers are present 
(e.g., teleworking for two weeks prior to 
reporting to a workplace with others): 
(A) Must be tested for COVID–19 
within 7 days prior to returning to the 
workplace; and 
(B) Must provide documentation of 
that test result to the employer upon 
return to the workplace. 
Note 1 to paragraph (g)(1): This section 
does not require the employer to pay for any 
costs associated with testing; however 
employer payment for testing may be 
required by other laws, regulations, or 
collective bargaining agreements or other 
collectively negotiated agreements. This 
section also does not prohibit the employer 
from paying for costs associated with testing 
required by paragraph (g)(1) of this section. 
(2) If an employee does not provide 
documentation of a COVID–19 test 
result as required by paragraph (g)(1) of 
this section, the employer must keep 
that employee removed from the 
workplace until the employee provides 
a test result. 
(3) When an employee has received a 
positive COVID–19 test, or has been 
diagnosed with COVID–19 by a licensed 
healthcare provider, the employer must 
not require that employee to undergo 
COVID–19 testing as required under 
paragraph (g) of this section for 90 days 
following the date of their positive test 
or diagnosis. 
(4) The employer must maintain a 
record of each test result provided by 
each employee under paragraph (g)(1) of 
this section or obtained during tests 
conducted by the employer. These 
records are considered to be employee 
medical records and must be 
maintained as such records in 
accordance with § 1910.1020 and must 
not be disclosed except as required or 
authorized by this section or other 
federal law. These records are not 
subject to the retention requirements of 
§ 1910.1020(d)(1)(i) but must be 
maintained and preserved while this 
section remains in effect. 
(h) Employee notification to employer 
of a positive COVID–19 test and 
removal. Regardless of COVID–19 
vaccination status or any COVID–19 
testing required under paragraph (g) of 
this section, the employer must: 
(1) Require each employee to 
promptly notify the employer when 
they receive a positive COVID–19 test or 
are diagnosed with COVID–19 by a 
licensed healthcare provider; and 
(2) Immediately remove from the 
workplace any employee who receives a 
positive COVID–19 test or is diagnosed 
with COVID–19 by a licensed healthcare 
provider and keep the employee 
removed until the employee: 
(i) Receives a negative result on a 
COVID–19 nucleic acid amplification 
test (NAAT) following a positive result 
on a COVID–19 antigen test if the 
employee chooses to seek a NAAT test 
for confirmatory testing; 
(ii) meets the return to work criteria 
in CDC’s ‘‘Isolation Guidance’’ 
(incorporated by reference, § 1910.509); 
or 
(iii) Receives a recommendation to 
return to work from a licensed 
healthcare provider. 
Note 1 to paragraph (h)(2): This section 
does not require employers to provide paid 
time to any employee for removal as a result 
of a positive COVID–19 test or diagnosis of 
COVID–19; however, paid time may be 
required by other laws, regulations, or 
collective bargaining agreements or other 
collectively negotiated agreements. 
(i) Face coverings. (1) The employer 
must ensure that each employee who is 
not fully vaccinated wears a face 
covering when indoors and when 
occupying a vehicle with another 
person for work purposes, except: 
(i) When an employee is alone in a 
room with floor to ceiling walls and a 
closed door. 
(ii) For a limited time while the 
employee is eating or drinking at the 
workplace or for identification purposes 
in compliance with safety and security 
requirements. 
(iii) When an employee is wearing a 
respirator or facemask. 
(iv) Where the employer can show 
that the use of face coverings is 
infeasible or creates a greater hazard 
that would excuse compliance with this 
paragraph (e.g., when it is important to 
see the employee’s mouth for reasons 
related to their job duties, when the 
work requires the use of the employee’s 
uncovered mouth, or when the use of a 
face covering presents a risk of serious 
injury or death to the employee). 
(2) The employer must ensure that 
any face covering required to be worn 
by this section: 
(i) Is worn by the employee to fully 
cover the employee’s nose and mouth; 
and 
(ii) Is replaced when wet, soiled, or 
damaged (e.g., is ripped, has holes, or 
has broken ear loops). 
(3) The employer must not prevent 
any employee from voluntarily wearing 
a face covering or facemask unless the 
employer can demonstrate that doing so 
would create a hazard of serious injury 
or death, such as interfering with the 
safe operation of equipment. 
(4) The employer must permit the 
employee to wear a respirator instead of 
a face covering whether required or not. 
In addition, the employer may provide 
respirators to the employee, even if not 
required. In such circumstances, the 
employer must also comply with 
§ 1910.504. 
(5) The employer must not prohibit 
customers or visitors from wearing face 
coverings. 
Note 1 to paragraph (i)(5): Nothing in this 
section precludes employers from requiring 
customers or visitors to wear face coverings. 
Note 1 to paragraph (i): Face shields may 
be worn in addition to face coverings to 
prevent them from getting wet and soiled. 
Note 2 to paragraph (i): This section does 
not require the employer to pay for any costs 
associated with face coverings; however 
employer payment for face coverings may be 
required by other laws, regulations, or 
collective bargaining agreements or other 
collectively negotiated agreements. This 
section also does not prohibit the employer 
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Federal Register / Vol. 86, No. 212 / Friday, November 5, 2021 / Rules and Regulations 
from paying for costs associated with face 
coverings required by this section. 
(j) Information provided to employees. 
The employer must inform each 
employee, in a language and at a literacy 
level the employee understands, about: 
(1) The requirements of this section as 
well as any employer policies and 
procedures established to implement 
this section; 
(2) COVID–19 vaccine efficacy, safety, 
and the benefits of being vaccinated, by 
providing the document, ‘‘Key Things to 
Know About COVID–19 Vaccines,’’ 
available at https://www.cdc.gov/ 
coronavirus/2019-ncov/vaccines/ 
keythingstoknow.html; 
(3) The requirements of 29 CFR 
1904.35(b)(1)(iv), which prohibits the 
employer from discharging or in any 
manner discriminating against an 
employee for reporting a work-related 
injuries or illness, and section 11(c) of 
the OSH Act, which prohibits the 
employer from discriminating against an 
employee for exercising rights under, or 
as a result of actions that are required 
by, this section. Section 11(c) also 
protects the employee from retaliation 
for filing an occupational safety or 
health complaint, reporting a work- 
related injuries or illness, or otherwise 
exercising any rights afforded by the 
OSH Act; and 
(4) The prohibitions of 18 U.S.C. 1001 
and of section 17(g) of the OSH Act, 
which provide for criminal penalties 
associated with knowingly supplying 
false statements or documentation. 
(k) Reporting COVID–19 fatalities and 
hospitalizations to OSHA. (1) The 
employer must report to OSHA: 
(i) Each work-related COVID–19 
fatality within 8 hours of the employer 
learning about the fatality. 
(ii) Each work-related COVID–19 in- 
patient hospitalization within 24 hours 
of the employer learning about the in- 
patient hospitalization. 
(2) When reporting COVID–19 
fatalities and in-patient hospitalizations 
to OSHA in accordance with paragraph 
(j)(1) of this section, the employer must 
follow the requirements in 29 CFR part 
1904.39, except for 29 CFR part 
1904.39(a)(1) and (2) and (b)(6). 
(l) Availability of records. (1) By the 
end of the next business day after a 
request, the employer must make 
available, for examination and copying, 
the individual COVID–19 vaccine 
documentation and any COVID–19 test 
results for a particular employee to that 
employee and to anyone having written 
authorized consent of that employee. 
(2) By the end of the next business 
day after a request by an employee or an 
employee representative, the employer 
must make available to the requester the 
aggregate number of fully vaccinated 
employees at a workplace along with 
the total number of employees at that 
workplace. 
(3) The employer must provide to the 
Assistant Secretary for examination and 
copying: 
(i) Within 4 business hours of a 
request, the employer’s written policy 
required by paragraph (d) of this 
section, and the aggregate numbers 
described in paragraph (l)(2) of this 
section; and 
(ii) By the end of the next business 
day after a request, all other records and 
other documents required to be 
maintained by this section. 
(m) Dates—(1) Effective date. This 
section is effective as of November 5, 
2021. 
(2) Compliance dates. (i) Employers 
must comply with all requirements of 
this section, except for requirements in 
paragraph (g) of this section, by 
December 6, 2021. 
(ii) Employers must comply with the 
requirements of this section in 
paragraph (g) by January 4, 2022, but 
employees who have completed the 
entire primary vaccination by that date 
do not have to be tested, even if they 
have not yet completed the 2-week 
waiting period. 
■4. Amend § 1910.504 by revising 
paragraph (a) to read as follows: 
§ 1910.504
Mini Respiratory Protection 
Program. 
(a) Scope and application. This 
section applies only to respirator use in 
accordance with §§ 1910.501(i)(4) and 
1910.502(f)(4). 
* 
* 
* 
* 
* 
■5. Republish § 1910.505 to read as 
follows: 
§ 1910.505
Severability. 
Each section of this subpart U, and 
each provision within those sections, is 
separate and severable from the other 
sections and provisions. If any provision 
of this subpart is held to be invalid or 
unenforceable on its face, or as applied 
to any person, entity, or circumstance, 
or is stayed or enjoined, that provision 
shall be construed so as to continue to 
give the maximum effect to the 
provision permitted by law, unless such 
holding shall be one of utter invalidity 
or unenforceability, in which event the 
provision shall be severable from this 
subpart and shall not affect the 
remainder of the subpart. 
■6. Amend § 1910.509 by revising 
paragraph (b)(5) to read as follows: 
§ 1910.509
Incorporation by reference. 
* 
* 
* 
* 
* 
(b) * * * 
(5) Isolation Guidance. COVID–19: 
Isolation If You Are Sick; Separate 
yourself from others if you have 
COVID–19, updated February 18, 2021, 
IBR approved for §§ 1910.501(h) and 
1910.502(l). 
* 
* 
* 
* 
* 
PART 1915—OCCUPATIONAL SAFETY 
AND HEALTH STANDARDS FOR 
SHIPYARD EMPLOYMENT 
■7. The authority citation for part 1915 
is revised to read as follows: 
Authority: 33 U.S.C. 941; 29 U.S.C. 653, 
655, 657; Secretary of Labor’s Order No. 12– 
71 (36 FR 8754); 8–76 (41 FR 25059), 9–83 
(48 FR 35736), 1–90 (55 FR 9033), 6–96 (62 
FR 111), 3–2000 (65 FR 50017), 5–2002 (67 
FR 65008), 5–2007 (72 FR 31160), 4–2010 (75 
FR 55355), 1–2012 (77 FR 3912), or 8–2020 
(85 FR 58393); 29 CFR part 1911; and 5 
U.S.C. 553, as applicable. 
Subpart Z—Toxic and Hazardous 
Substances 
■8. Add § 1915.1501 to subpart Z to 
read as follows: 
§ 1915.1501
COVID–19. 
The requirements applicable to 
shipyard employment under this section 
are identical to those set forth at 29 CFR 
1910.501. 
PART 1917—MARINE TERMINALS 
■9. The authority citation for part 1917 
is revised to read as follows: 
Authority: 33 U.S.C. 941; 29 U.S.C. 653, 
655, 657; Secretary of Labor’s Order No. 12– 
71 (36 FR 8754), 8–76 (41 FR 25059), 9–83 
(48 FR 35736), 1–90 (55 FR 9033), 6–96 (62 
FR 111), 3–2000 (65 FR 50017), 5–2002 (67 
FR 65008), 5–2007 (72 FR 31160), 4–2010 (75 
FR 55355), 1–2012 (77 FR 3912), or 8–2020 
(85 FR 58393), as applicable; and 29 CFR part 
1911. 
Sections 1917.28 and 1917.31 also issued 
under 5 U.S.C. 553. 
Section 1917.29 also issued under 49 
U.S.C. 1801–1819 and 5 U.S.C. 553. 
Subpart B—Marine Terminal 
Operations 
■10. Add § 1917.31 to subpart B to read 
as follows: 
§ 1917.31
COVID–19. 
The requirements applicable to 
marine terminal work under this section 
are identical to those set forth at 29 CFR 
1910.501. 
PART 1918—SAFETY AND HEALTH 
REGULATIONS FOR LONGSHORING 
■11. The authority citation for part 
1918 is revised to read as follows: 
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Authority: 33 U.S.C. 941; 29 U.S.C. 653, 
655, 657; Secretary of Labor’s Order No. 12– 
71 (36 FR 8754), 8–76 (41 FR 25059), 9–83 
(48 FR 35736), 1–90 (55 FR 9033), 6–96 (62 
FR 111), 3–2000 (65 FR 50017), 5–2002 (67 
FR 65008), 5–2007 (72 FR 31160), 4–2010 (75 
FR 55355), 1–2012 (77 FR 3912), or 8–2020 
(85 FR 58393), as applicable; and 29 CFR 
1911. 
Sections 1918.90 and 1918.110 also issued 
under 5 U.S.C. 553. 
Section 1918.100 also issued under 49 
U.S.C. 5101 et seq. and 5 U.S.C. 553. 
■12. Add subpart K to part 1918 to read 
as follows: 
Subpart K—COVID–19. 
Sec. 
1918.107–1918.109
[Reserved] 
1918.110
COVID–19. 
1918.107 through 1918.109
[Reserved] 
§ 1918.110
COVID–19. 
The requirements applicable to 
longshoring work under this section are 
identical to those set forth at 29 CFR 
1910.501. 
PART 1926—SAFETY AND HEALTH 
REGULATIONS FOR CONSTRUCTION 
■13. The authority citation for part 
1926 is revised to read as follows: 
Authority: 40 U.S.C. 3704; 29 U.S.C. 653, 
655, and 657; and Secretary of Labor’s Order 
No. 12–71 (36 FR 8754), 8–76 (41 FR 25059), 
9–83 (48 FR 35736), 1–90 (55 FR 9033), 6– 
96 (62 FR 111), 3–2000 (65 FR 50017), 5– 
2002 (67 FR 65008), 5–2007 (72 FR 31159), 
4–2010 (75 FR 55355), 1–2012 (77 FR 3912), 
or 8–2020 (85 FR 58393), as applicable; and 
29 CFR part 1911. 
Sections 1926.58, 1926.59, 1926.60, and 
1926.65 also issued under 5 U.S.C. 553 and 
29 CFR part 1911. 
Section 1926.61 also issued under 49 
U.S.C. 1801–1819 and 5 U.S.C. 553. 
Section 1926.62 also issued under sec. 
1031, Public Law 102–550, 106 Stat. 3672 (42 
U.S.C. 4853). 
Section 1926.65 also issued under sec. 126, 
Public Law 99–499, 100 Stat. 1614 (reprinted 
at 29 U.S.C.A. 655 Note) and 5 U.S.C. 553. 
Subpart D—Occupational Health and 
Environmental Controls 
■14. Add § 1926.58 to read as follows: 
§ 1926.58
COVID–19. 
The requirements applicable to 
construction work under this section are 
identical to those set forth at 29 CFR 
1910.501 Subpart U. 
PART 1928—OCCUPATIONAL SAFETY 
AND HEALTH STANDARDS FOR 
AGRICULTURE 
■15. The authority citation for part 
1928 is revised to read as follows: 
Authority: Sections 4, 6, and 8 of the 
Occupational Safety and Health Act of 1970 
(29 U.S.C. 653, 655, 657); Secretary of Labor’s 
Order No. 12–71 (36 FR 8754), 8–76 (41 FR 
25059), 9–83 (48 FR 35736), 1–90 (55 FR 
9033), 6–96 (62 FR 111), 3–2000 (65 FR 
50017), 5–2002 (67 FR 65008), 4–2010 (75 FR 
55355), or 8–2020 (85 FR 58393), as 
applicable; and 29 CFR 1911. 
Section 1928.21 also issued under 49 
U.S.C. 1801–1819 and 5 U.S.C. 553. 
Subpart B—Applicability of Standards 
■16. Amend § 1928.21 by adding 
paragraph (a)(8) to read as follows: 
§ 1928.21
Applicable standards in 29 CFR 
part 1910. 
(a) * * * 
(8) COVID–19—§ 1910.501, but only 
with respect to— 
(i) Agricultural establishments where 
eleven (11) or more employees are 
engaged on any given day in hand-labor 
operations in the field; and 
(ii) Agricultural establishments that 
maintain a temporary labor camp, 
regardless of how many employees are 
engaged on any given day in hand-labor 
operations in the field. 
* 
* 
* 
* 
* 
[FR Doc. 2021–23643 Filed 11–4–21; 8:45 am] 
BILLING CODE 4510–26–P 
DEPARTMENT OF HEALTH AND 
HUMAN SERVICES 
Centers for Medicare & Medicaid 
Services 
42 CFR Parts 416, 418, 441, 460, 482, 
483, 484, 485, 486, 491 and 494 
[CMS–3415–IFC] 
RIN 0938–AU75 
Medicare and Medicaid Programs; 
Omnibus COVID–19 Health Care Staff 
Vaccination 
AGENCY: Centers for Medicare & 
Medicaid Services (CMS), HHS. 
ACTION: Interim final rule with comment 
period. 
SUMMARY: This interim final rule with 
comment period revises the 
requirements that most Medicare- and 
Medicaid-certified providers and 
suppliers must meet to participate in the 
Medicare and Medicaid programs. 
These changes are necessary to help 
protect the health and safety of 
residents, clients, patients, PACE 
participants, and staff, and reflect 
lessons learned to date as a result of the 
COVID–19 public health emergency. 
The revisions to the requirements 
establish COVID–19 vaccination 
requirements for staff at the included 
Medicare- and Medicaid-certified 
providers and suppliers. 
DATES: 
Effective date: These regulations are 
effective on November 5, 2021. 
Implementation dates: The 
regulations included in Phase 1 [42 CFR 
416.51(c) through (c)(3)(i) and (c)(3)(iii) 
through (x), 418.60(d) through (d)(3)(i) 
and (d)(3)(iii) through (x), 441.151(c) 
through (c)(3)(i) and (c)(3)(iii) through 
(x), 460.74(d) through (d)(3)(i) and 
(d)(3)(iii) through (x), 482.42(g) through 
(g)(3)(i) and (g)(3)(iii) through (x), 
483.80(d)(3)(v) and 483.80(i) through 
(i)(3)(i) and (i)(3)(iii) through (x), 
483.430(f) through (f)(3)(i) and (f)(3)(iii) 
through (x), 483.460(a)(4)(v), 484.70(d) 
through (d)(3)(i) and (d)(3)(iii) through 
(x), 485.58(d)(4), 485.70(n) through 
(n)(3)(i) and (n)(3)(iii) through (x), 
485.640(f) through (f)(3)(i) and (f)(3)(iii) 
through (x), 485.725(f) through (f)(3)(i) 
through (f)(3)(iii) through (x), 485.904(c) 
through (c)(3)(i) and (c)(3)(iii) through 
(x), 486.525(c) through (c)(3)(i) and 
(c)(3)(iii) through (x), 491.8(d) through 
(d)(3)(i) and (d)(3)(iii) through (x), 
494.30(b) through (b)((3)(i) and (b)(3)(iii) 
through (x) must be implemented by 
December 6, 2021. 
The regulations included in Phase 2 
[42 CFR 416.51(c)(3)(ii), 418.60(d)(3)(ii), 
441.151(c)(3)(ii), 460.74(d)(3)(ii), 
482.42(g)(3)(ii), 483.80(i)(3)(ii), 
483.430(f)(3)(ii), 484.70(d)(3)(ii), 
485.70(n)(3)(ii), 485.640(f)(3)(ii), 
485.725(f)(3)(ii), 485.904(c)(3)(ii), 
486.525(c)(3)(ii), 491.8(d)(3)(ii), 
494.30(b)(3)(ii)] must be implemented 
by January 4, 2022. Staff who have 
completed a primary vaccination series 
by this date are considered to have met 
these requirements, even if they have 
not yet completed the 14-day waiting 
period required for full vaccination. 
Comment date: To be assured 
consideration, comments must be 
received at one of the addresses 
provided below, no later than 5 p.m. on 
January 4, 2022. 
ADDRESSES: In commenting, please refer 
to file code CMS–3415–IFC. 
Comments, including mass comment 
submissions, must be submitted in one 
of the following three ways (please 
choose only one of the ways listed): 
1. Electronically. You may submit 
electronic comments on this regulation 
to http://www.regulations.gov. Follow 
the ‘‘Submit a comment’’ instructions. 
2. By regular mail. You may mail 
written comments to the following 
address ONLY: Centers for Medicare & 
Medicaid Services, Department of 
Health and Human Services, Attention: 
CMS–3415–IFC, P.O. Box 8016, 
Baltimore, MD 21244–8016. 
Please allow sufficient time for mailed 
comments to be received before the 
close of the comment period. 
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1 
 
 
No. A-____ 
_________________________ 
 
IN THE SUPREME COURT OF THE UNITED STATES 
_________________________ 
 
IN RE: MCP NO. 165, OCCUPATIONAL SAFETY AND HEALTH 
ADMINISTRATION, INTERIM FINAL RULE: COVID-19 VACCINATION AND 
TESTING; EMERGENCY TEMPORARY STANDARD 86 FED. REG. 61402. 
 
 
JOB CREATORS NETWORK, INDEPENDENT BAKERS ASSOCIATION, 
LAWRENCE TRANSPORTATION COMPANY, GUY CHEMICAL COMPANY, 
RABINE GROUP OF COMPANIES, PAN-O-GOLD BAKING COMPANY, TERRI 
MITCHELL, WATERBLASTING, LLC, 
 
Applicants,  
v. 
 
OCCUPATIONAL SAFETY & HEALTH ADMINISTRATION, U.S. 
DEPARTMENT OF LABOR, MARTIN J. WALSH, Secretary of Labor, 
DOUGLAS L. PARKER, Assistant Secretary of Labor for Occupational 
Safety and Health Administration,  
 
Respondents. 
_________________________ 
 
 
CERTIFICATE OF SERVICE 
 
I, Jonathan Berry, hereby certify that I am a member of the Bar of this Court, 
and that I will cause the Emergency Application for Stay of Agency Standard 
Pending the Disposition by the United States Court of Appeals for the Sixth 
Circuit of a Petition for Review and Any Further Proceedings in This Court to be 
served via first-class mail postage pre-paid to:   
 
Ms. Elizabeth Prelogar 
U.S. Department of Justice 
950 Pennsylvania Avenue, N.W. 
Washington, DC 20530 
 
Mr. Aaron Abadi 
82 Nassau Street 
Apartment 140 
New York, NY 10038 

 
2 
 
Mr. Robert Alt 
The Buckeye Institute 
88 E. Broad Street 
Suite 1300 
Columbus, OH 43215 
 
Mr. Michael Timothy Anderson 
Murphy Anderson 
1401 K Street, N.W. 
Suite 300 
Washington, DC 20005 
 
Mr. Edmund Charles Baird 
U.S. Department of Labor 
Office of the Solicitor 
200 Constitution Avenue, N.W. 
Suite S-4004 
Washington, DC 20210 
 
Mr. Ryan Bangert 
Alliance Defending Freedom 
15100 N. 90th Street 
Scottsdale, AZ 85260 
 
Mr. David Joseph Beck 
Beck Redden 
1221 McKinney Street 
Suite 4500 
Houston, TX 77010 
 
Mr. Craig Becker 
Office of the General Counsel 
815 16th Street, N.W. 
6th Floor 
Washington, DC 20006 
 
Mr. Josh Belinfante 
Robbins Ross Alloy Belinfante Littlefield 
500 14th Street, N.W. 
Atlanta, GA 30318 
 
Mr. Ross Warren Bergethon 
Office of the Attorney General 

 
3 
of Georgia 
40 Capitol Square, S.W. 
Atlanta, GA 30334 
 
Ms. Nicole G. Berner 
Service Employees International Union 
1800 Massachusetts Avenue, N.W. 
Washington, DC 20036 
 
Mr. Keith R. Bolek 
O'Donoghue & O'Donoghue 
5301 Wisconsin Avenue, N.W. 
Suite 800 
Washington, DC 20015 
 
Ms. Victoria Louise Bor 
Sherman, Dunn, Cohen, Leifer & Yellig 
900 Seventh Street, N.W. 
Suite 1000 
Washington, DC 20001 
 
Mr. Matthew Scott Bowman 
Alliance Defending Freedom 
440 First Street, N.W. 
Suite 600 
Washington, DC 20001 
 
Mr. Charles Edmond Brasington 
Department of Law 
State of Alaska 
1031 W. 4th Avenue 
Suite 200 
Anchorage, AK 99501 
 
Mr. Adam C. Breihan 
Murphy Anderson 
1401 K Street, N.W. 
Suite 300 
Washington, DC 20005 
 
Mr. Nicholas J. Bronni 
Office of the Attorney General 
of Arkansas 
323 Center Street 

 
4 
Suite 200 
Little Rock, AR 72201-2610 
 
James A. Campbell 
Office of the Attorney General 
of Nebraska 
2115 State Capitol 
Lincoln, NE 68509-8920 
 
Mr. John Stone Campbell III 
Taylor, Porter, Brooks & Phillips 
P.O. Box 2471 
Baton Rouge, LA 70801 
 
Mr. Joshua Joseph Campbell 
America First Policy Institute 
1001 Pennsylvania Avenue, N.W. 
Suite 350 
Washington, DC 20004 
 
Mr. Jeffrey A. Chanay 
Office of the Attorney General 
of Kansas 
120 S.W. 10th Avenue 
Second Floor 
301 
Topeka, KS 66612-1597 
 
Mr. Matthew James Clark 
Alabama Center for Law and Liberty 
2213 Morris Avenue 
Floor 1 
Birmingham, AL 35203 
 
Mr. John V. Coghlan 
Office of the Attorney General 
for Mississippi 
550 High Street 
Jackson, MS 20043 
 
Mr. David Andrew Cortman 
Alliance Defending Freedom 
1000 Hurricane Shoals Road, N.E. 
Suite D-1100 

 
5 
Lawrenceville, GA 30043 
 
Mr. Nate Curtisi 
Texas Public Policy Foundation 
901 Congress Avenue 
Austin, TX 78701 
 
Ms. Sylvia May Davis 
Office of the Attorney General 
of Ohio 
615 W. Superior Avenue 
11th Floor 
Cleveland, OH 44113 
 
Mr. David M.S. Dewhirst 
Office of the Attorney General 
of Montana 
P.O. Box 201401 
Helena, MT 59620-1401 
 
Ms. Harmeet Dhillon 
Dhillon Law Group 
177 Post Street 
Suite 700 
San Francisco, CA 94108 
 
Mr. Buck Dougherty 
Liberty Justice Center 
141 W. Jackson Street 
Suite 1605 
Chicago, IL 60603 
 
Mr. Jefferson Downing 
Keating & O'Gara 
P.O. Box 82248 
Lincoln, NE 68501-2248 
 
Mr. Jeffrey B. Dubner 
Democracy Forward Foundation 
P.O. Box 34553 
Washington, DC 20043 
 
Mr. Jeremy Dys 
First Liberty Institute 

 
6 
2001 W. Plano Parkway 
Suite 1600 
Plano, TX 75075 
 
Mr. Steven R. Eatherly 
Butzel Long 
150 W. Jefferson Avenue 
Suite 100 
Detroit, MI 48226 
 
Mr. Drew Curtis Ensign 
Office of the Attorney General 
State of Arizona 
2005 N. Central Avenue 
Phoenix, AZ 85004 
 
Mr. Thomas Molnar Fisher 
Office of the Attorney General 
of Indiana 
302 W. Washington Street 
Fifth Floor 
Indianapolis, IN 46204 
 
Mr. Charles Flores 
Beck Redden 
1221 McKinney Street 
Suite 4500 
Houston, TX 77010 
 
Mr. Benjamin Michael Flowers 
Office of the Attorney General 
30 E. Broad Street 
14th Floor 
Columbus, OH 43215 
 
Mr. Peter Ford 
United Food & Commercial Workers International Union 
1775 K Street, N.W. 
Suite 700 
Washington, DC 20006-1598 
 
Mr. Anthony J. Galdieri 
Office of the Attorney General 
of New Hampshire 

 
7 
33 Capitol Street 
Concord, NH 03301 
 
Mr. Thomas P. Gies 
Crowell & Moring 
1001 Pennsylvania Avenue, N.W. 
8th Floor 
Washington, DC 20004 
 
 
Ms. Brianne Jenna Gorod 
Constitutional Accountability Center 
1200 18th Street, N.W. 
Suite 501 
Washington, DC 20036 
 
Mr. Stanley M. Gosch 
Rosenblatt & Gosch 
8085 E. Prentice Avenue 
Greenwood Village, CO 80111 
 
Ms. Shannon Marie Grammel 
Office of the Attorney General 
of Kansas 
120 S.W. 10th Avenue 
Second Floor 
Topeka, KS 66612-1597 
 
Mr. Grant Joseph Guillot 
Law Office 
5028 River Meadow Drive 
Baton Rouge, LA 70820 
 
Mr. Deepak Gupta 
Law Office 
1900 L. Street, N.W. 
Suite 312 
Washington, DC 20036 
 
Ms. Sarah Harbison 
Pelican Institute for Public Policy 
400 Poydras Street 
Suite 900 
New Orleans, LA 70130 

 
8 
 
Ms. Leslie Hayes 
Office of the Attorney General of Idaho 
Civil Litigation 
P.O. Box 83720 
Boise, ID 83720-0010 
 
Mr. Ryan Lawrence Heath 
Gavel Project 
4022 E. Greenway Road 
Suite 11 - 139 
Phoenix, AZ 85032 
 
Mr. Clark Lassiter Hildabrand 
Office of the Attorney General 
of Tennessee 
P.O. Box 20207 
Nashville, TN 37202-0207 
 
Ms. Melissa Ann Holyoak 
Office of the Attorney General 
of Utah 
160 E. 300 South 
Fifth Floor 
Salt Lake City, UT 84114-0857 
 
Mr. Thomas T. Hydrick 
Office of the Attorney General 
of South Carolina 
P.O. Box 11549 
Columbia, SC 29211 
 
Mr. Thomas M. Johnson Jr. 
Wiley Rein 
2050 M Street, N.W. 
Washington, DC 20006 
 
Mr. Brian Patrick Kane 
Office of the Attorney General of Idaho 
Civil Litigation 
P.O. Box 83720 
Boise, ID 83720-0010 
 
Ms. Lindsey Keiser 

 
9 
Office of the Attorney General 
of Kentucky 
700 Capital Avenue 
Suite 118 
Frankfort, KY 40601 
 
Mr. Scott Allen Keller 
Lehotsky Keller 
200 Massachusetts Avenue, N.W. 
Washington, DC 20001 
 
Ms. Ashley Steiner Kelly 
Arnall Golden Gregory 
171 17th Street, N.W. 
Suite 2100 
Atlanta, GA 30363 
 
Mr. Kris W. Kobach 
Alliance for Free Citizens 
P.O. Box 155 
Lecompton, KS 66050 
 
Mr. Edmund Gerard LaCour Jr. 
Office of the Attorney General 
P.O. Box 300152 
Montgomery, AL 36130-0152 
 
Mr. Samuel Paul Langholz 
Office of the Attorney General 
of Iowa 
1305 E. Walnut Street 
Second Floor 
Des Moines, IA 50319 
 
Ms. Megan Ann Larrondo 
Office of the Attorney General of Idaho 
Civil Litigation 
P.O. Box 83720 
Boise, ID 83720-0010 
 
Mr. Daniel P. Lennington 
Wisconsin Institute for Law and Liberty 
330 E. Kilbourn Aveue 
Suite 725 

 
10 
Milwaukee, WI 53202 
 
Ms. Emmy L. Levens 
Cohen, Milstein, Sellers & Toll 
1100 New York Avenue, N.W. 
Suite 500-W 
Washington, DC 20005 
 
Mr. Sheng Tao Li 
New Civil Liberties Alliance 
1225 19th Street, N.W. 
Suite 450 
Washington, DC 20036 
 
Mr. Mithun Mansinghani 
Office of the Attorney General 
of Oklahoma 
313 N.E. 21st Street 
Oklahoma City, OK 73105 
 
Ms. Cathleen A. Martin 
Newman, Comley & Ruth 
P.O. Box 537 
Suite 301 
Jefferson City, MO 65102 
 
Mr. David M. McVey 
Office of the Attorney General 
of South Dakota 
1302 E. Highway 14 
Suite 1 
Pierre, SD 57501-4106 
 
Mr. Matthew W. Murphy 
Vessell Bridges Murphy Law Offices 
3901 S. Providence Road 
Suite D 
Columbia, MO 65203 
 
Ms. Elizabeth B. Murrill 
Office of the Attorney General 
of Louisiana 
P.O. Box 94005 
Baton Rouge, LA 70804-9005 

 
11 
 
Mr. John Parham Murrill 
Taylor, Porter, Brooks & Phillips 
P.O. Box 2471 
Baton Rouge, LA 70801 
 
Mr. William G. Myers III 
Holland & Hart LLP 
P.O. Box 2527 
Boise, ID 83701 
 
Mr. Scott Lawrence Nelson 
Public Citizen Litigation Group 
1600 Twentieth Street, N.W. 
Washington, DC 20009 
 
Mr. Russell A. Newman 
Law Office 
6688 Nolensville Road 
Suite 108-22 
Brentwood, TN 37075 
 
Mr. Richard J. Oparil 
Law Office 
1775 Pennsylvania Avenue, N.W. 
Suite 1000 
Washington, DC 20006-0000 
 
Mr. Henry M. Perlowski 
Arnall Golden Gregory 
171 17th Street, N.W. 
Suite 2100 
Atlanta, GA 30363 
 
Mr. Javier Pico-Prats 
Robbins Ross Alloy Belinfante Littlefield 
500 14th Street, N.W. 
Atlanta, GA 30318 
 
Mr. David Andrew Porter 
Kienbaum, Hardy, Viviano, Pelton & Forrest 
280 N. Old Woodward Avenue 
Suite 400 
Birmingham, MI 48009 

 
12 
 
Ms. Randy Sue Rabinowitz 
Law Office 
P.O. Box 3769 
Washington, DC 20027 
 
Mr. Aaron Randall Rice 
Mississippi Justice Institute 
520 George Street 
Jackson, MS 39202 
 
Mr. Joseph E. Richotte 
Butzel Long 
201 W. Big Beaver Road 
Suite 1200 
Troy, MI 48084 
 
Ms. Amy L. Rosenberger 
Willig, Williams & Davidson 
1845 Walnut Street 
24th Floor 
Philadelphia, PA 19103 
 
Mr. David A. Rosenfeld 
Weinberg, Roger & Rosenfeld 
1375 55th Street 
Emeryville, CA 94608 
 
Mr. Scott E. Rosenow 
WMC Litigaton Center 
501 E. Washington Avenue 
Madison, WI 53703 
 
Mr. Andrew Dean Roth 
Bredhoff & Kaiser 
805 Fifteenth Street, N.W. 
Suite 1000 
Washington, DC 20005 
 
Mr. John A. Ruth 
Newman, Comley & Ruth 
P.O. Box 537 
Jefferson City, MO 65102 
 

 
13 
Mr. Matthew A. Sagsveen 
Office of the Attorney General 
of North Dakota 
500 N. Ninth Street 
Bismarck, ND 58501 
 
Mr. Dean John Sauer 
Office of the Attorney General 
of Missouri 
P.O. Box 899 
Jefferson City, MO 65102 
 
Mr. Ryan T. Schelhaas 
Office of the Attorney General 
of Wyoming 
109 State Capitol 
Cheyenne, WY 82002 
 
Ms. Lindsay Sara See 
Office of the Attorney General 
of West Virginia 
State Capitol Complex 
Building 1, Room E-26 
Charleston, WV 25305 
 
Mr. Jordan A. Sekulow 
American Center for Law and Justice 
201 Maryland Avenue, N.E. 
Washington, DC 20002 
 
Mr. Brandon James Smith 
Office of the Attorney General 
of Tennessee 
P.O. Box 20207 
Nashville, TN 37202-0207 
 
Mr. James Larry Stine 
Wimberly Lawson 
3400 Peachtree Road, NE 
Suite 400 
Atlanta, GA 30326 
 
Mr. Judd Edward Stone II 
Office of the Attorney General 

 
14 
Solicitor General Division 
209 W. 14th Street 
Seventh Floor (MC 059) 
Austin, TX 78681 
 
Ms. Catherine L. Strauss 
Ice Miller 
250 West Street 
Suite 700 
Columbus, OH 43215 
 
Mr. Patrick Strawbridge 
Consovoy McCarthy 
10 Post Office Square 
Eighth Floor South, PMB 706 
Boston, MA 02109 
 
Mr. Daniel Robert Suhr 
Liberty Justice Center 
141 W. Jackson Street 
Suite 1605 
Chicago, IL 60603 
 
Mr. James Patrick Sullivan 
Office of the Governor 
of Texas 
1100 San Jacinto Boulevard 
Fourth Floor 
Austin, TX 78701 
 
Mr. Christopher L. Thacker 
Office of the Attorney General 
of Kentucky 
700 Capitol Avenue 
Suite 118 
Frankfort, KY 40601 
 
Mr. Halron Waites Turner 
Turner Onderdonk Kimbrough Howell Huggins & Bradley 
P.O. Box 1389 
Chatom, AL 36518 
 
Mr. Vincent M. Wagner 
Office of the Attorney General 

 
15 
of Arkansas 
323 Center Street 
Suite 200 
Little Rock, AR 72201-2610 
 
Mr. Thomas J. Ward 
National Association of Home Builders 
1201 15th Street, N.W. 
Washington, DC 20005 
 
Mr. Henry Charles Whitaker 
Office of the Attorney General 
of Florida 
The Capitol, PL-01 
Tallahassee, FL 32399-1050 
 
Mr. Christopher David Wiest 
Law Office 
25 Town Center Boulevard 
Suite 104 
Crestview Hills, KY 41017 
 
Mr. Kurtis T. Wilder 
Butzel Long 
150 W. Jefferson Avenue 
Suite 100 
Detroit, MI 48226 
 
Ms. Allison M. Zieve 
Public Citizen Litigation Group 
1600 Twentieth Street, N.W. 
Washington, DC 20009 
 
By _________________________________ 
Jonathan Berry 
Counsel of Record

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