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Unified Agenda - Table of Contents


Priority: Economically Significant. Major under 5 USC 801.

Unfunded Mandates: This action may affect the private sector under PL 104-4.

Legal Authority: 29 USC 655(b); 33 USC 941; 40 USC 333

CFR Citation: 29 CFR 1910.134; 29 CFR 1915.152; 29 CFR 1918.102; 29 CFR 1926.103

Legal Deadline: None

Abstract: In January 1998, OSHA published the final respiratory protection standard, except for the reserved provision on assigned protection factors (APFs). APFs are numbers that estimate the degree of performance of the various classes of respirators. OSHA is developing an approach to devising APFs that involves analyzing available data including data from workplace and chamber studies, where such data are available. OSHA will request further public comment on the analyses conducted using this approach. This will assure that OSHA receives and fully considers public input before issuing final APFs. OSHA expects to complete the rulemaking on APFs in 2001.


Action Date FR Cite

ANPRM Comment Period End
Final Rule
Final Rule Effective
Final Rule - Assigned Protection Factors
47 FR 20803

59 FR 58884
63 FR 1152 

Regulatory Flexibility Analysis Required: No

Government Levels Affected: State, Local, Tribal, Federal

Agency Contact: Marthe B. Kent, Acting Director, Directorate of Health Standards Programs, Department of Labor, Occupational Safety and Health Administration, Room N3718, 200 Constitution Avenue NW, FP Building, Washington, DC 20210
Phone: 202 693-1950
Fax: 202 693-1678

RIN: 1218-AA05

Unified Agenda - Table of Contents

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