# Federal Register
1 - 1910.134(i) - 89:45025-45026 - Vinyl Chloride Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
# Standard Interpretations
1 - 1910.134(i), 1910.134(i)(1)(ii), 1910.134(i)(4)(iii), 1910.134(i)(5)(ii) - Clarifications for breathing air quality and use
2 - 1910.134(i) - 1910.134(i) does not apply to portable breathing air compressors.
3 - 1910.134(i) - Breathing air: testing and carbon monoxide alarm.
4 - 1910.134(i) - Respirator air quality standards do not apply where the NRC has jurisdiction
# Regulations
1 - - Respiratory protection.