# Standard Interpretations
1 - 1910.134(f) - Voluntary use respirators
2 - 1910.134(f) - Qualitative and quantitative fit tests versus assigned protection factors
3 - 1910.134(f) - Respirator fit test requirements
4 - 1910.134(f) - Requirements for fit testing employees before fire brigade training exercises.
5 - 1910.134(f) - Tuberculosis and Respiratory Protection.
6 - 1910.134(f) - Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator.
7 - 1910.134(f) - Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox.
8 - 1910.134(f) - Respiratory protection, medical surveillance, and training requirements under HAZWOPER
9 - 1910.134(f) - Use of multi-station electric pump nebulizer and the squeeze bulb Bitrex for QLFT.
10 - 1910.134(f) - Appendix A requirements and techniques for fit testing respirators.
11 - 1910.134(f) - When to use quantitative and qualitative fit testing.
12 - 1910.134(f) - The grimace step in respiratory protection fit-testing procedures.
13 - 1910.134(f) - When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks.
14 - 1910.134(f) - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
15 - 1910.134(f)(2) - Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
16 - 1910.134(f)(3) - Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
17 - 1910.134(f)(4) - Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
18 - 1910.134(f)(2) - Tuberculosis and Respiratory Protection: prohibition on enforcement of annual fit testing requirements during fiscal year 2006.
19 - 1910.134(f)(3) - Tuberculosis and Respiratory Protection: prohibition on enforcement of annual fit testing requirements during fiscal year 2006.
20 - 1910.134(f)(2) - Tuberculosis and Respiratory Protection.
21 - 1910.134(f)(3) - Tuberculosis and Respiratory Protection.
22 - 1910.134(f)(2) - Clarification of respirator costs, annual training, and "effective" seal checks.
23 - 1910.134(f)(2) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.
24 - 1910.134(f)(2) - Tuberculosis and Respiratory Protection Enforcement
25 - 1910.134(f)(2) - Respirator fit test requirements
26 - 1910.134(f)(2) - OSHA requirements for respirator fit testing with and without facepiece accessories
27 - 1910.134(f)(2) - Temporary Enforcement Guidance – Tight-Fitting Powered Air Purifying Respirators (PAPRs) Used During the Coronavirus Disease 2019 (COVID-19) Pandemic
28 - 1910.134(f)(2) - Discretion in Enforcement when Considering an Employer's Good Faith Efforts During the Coronavirus Disease 2019 (COVID-19) Pandemic
29 - 1910.134(f)(2) - Expanded Temporary Enforcement Guidance on Respiratory Protection Fit-Testing for N95 Filtering Facepieces in All Industries During the Coronavirus Disease 2019 (COVID-19) Pandemic
30 - 1910.134(f)(2) - Enforcement Guidance for Respiratory Protection and the N95 Shortage Due to the Coronavirus Disease 2019 (COVID-19) Pandemic
31 - 1910.134(f)(2) - Enforcement Guidance for Use of Respiratory Protection Equipment Certified under Standards of Other Countries or Jurisdictions During the Coronavirus Disease 2019 (COVID-19) Pandemic
32 - 1910.134(f)(6) - Respirators for voluntary use and cleaning respirators during fit testing.
33 - 1910.134(f)(7) - Fit testing for CBRN respirators.
34 - 1910.134(f)(7) - Fit testing requirements for respirators used for CBRN protection.
35 - 1910.134(f)(8) - Fit testing requirements for respirators used for CBRN protection.
36 - 1910.134(f)(8) - Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs.