#	Federal Register
1	05/22/2024 - 1910.134(d), 1910.134(d)(1)(iii), 1910.134(d)(3)(iii)(B)(1), 1910.134(d)(3)(iii)(B)(2) - 89:45025-45026 - Vinyl Chloride Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
2	04/02/2021 - 1910.134(d) - 86:17408-17410 - The Vinyl Chloride Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF
3	12/04/2014 - 1910.134(d) - 79:72031-72033 - The Vinyl Chloride Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - PDF

#	Letters of Interpretation
1	07/18/2017 - 1910.134(d), 1910.134(d)(3) - Hooded versus tight-fitting respirators when complying with the Asbestos Standard
2	05/23/2017 - 1910.134(d) - Qualitative and quantitative fit tests versus assigned protection factors
3	11/11/1998 - 1910.134(d) - Assessing hazards to select eye and respiratory protection.
4	03/18/1996 - 1910.134(d) - The relationship between OSHA standards and the usage of particulate respirators.
5	02/05/1996 - 1910.134(d) - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
6	10/11/1995 - 1910.134(d), 1910.134(d)(2) - Clarification on OSHA's policy regarding Immediately Dangerous to Life and Health since NIOSH has lowered several IDLH levels.
7	01/10/1990 - 1910.134(d) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors

#	Regulations
1	04/20/2006 - - Respiratory protection.