# 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.