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EHSO presents free OSHA Respiratory Protection Standards Interpretation and Compliance Letters - 29 CFR 1910.134

EHSO presents free OSHA Respiratory Protection Standards Interpretation and Compliance Letters - 29 CFR 1910.134

OSHA Respiratory Protection Standards 29 CFR 1910.134
Interpretive Guidance

The following links provide web pages or downloads of current OSHA guidance memos regarding the respiratory protection standards. All are available for free.

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OSHA - Occupational Safety and Health Administration

OSHA Standards Interpretation and Compliance Letters
Table of Contents for 29 CFR Standard "1910.134"

• 1910 Subpart I - Authority for 1910 Subpart I
• 1910.132 - General requirements.
• 1910.133 - Eye and face protection.
• 1910.134 - Respiratory Protection.
• 1910.134 App A - Fit Testing Procedures (Mandatory).
• 1910.134 App B-1 - User Seal Check Procedures (Mandatory).
• 1910.134 App C - OSHA Respirator Medical Evaluation Questionnaire (Mandatory).
• 1910.134 App D - (Mandatory) Information for Employees Using Respirators When not Required Under Standard.

Detail list with links to direct memos

• 1910.134 - Acceptable respirators for exposure to ethylene oxide; Acceptable respirators for exposure to ethylene oxide. - 11/13/1984
• 1910.134 - Acceptance of closed-circuit self-contained breathing apparatus for firefighting. - 03/24/1987
• 1910.134 - Additional duties of two standby personnel for structural firefighting - 02/29/2012
• 1910.134 - Additional Enforcement Policy Change for Respiratory Protection Required for Abrasive Blasting. - 03/31/1997
• 1910.134 - APF for the combination pressure-demand, full-facepiece SAR with auxiliary SCBA - 11/04/2013
• 1910.134 - Application of 1926.800 to lone employees working underground in a tunnel or shaft connected to a tunnel. - 05/03/2001
• 1910.134 - Application of the Hazard Communication standard to gray and ductile iron castings. - 11/19/1985
• 1910.134 - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA). - 09/20/1995
• 1910.134 - Beards may not interfere with face seal;alternative respirators for bearded employees. - 03/07/2003
• 1910.134 - Belt mounted filtration unit used with any NIOSH approved supplied-air respirator. - 09/04/1996
• 1910.134 - Carbon Monoxide Alarm/Monitoring at Abrasive Blasting Operations. - 01/24/1980
• 1910.134 - Clarification of OSHA denial of FirePASS's variance request and respiratory protection requirements in oxygen-deficient atmospheres. - 05/01/2008
• 1910.134 - Clarification of OSHA's asbestos standards for general industry and construction and the respiratory protection standard as applied to medical surveillance of employees. - 05/10/2007
• 1910.134 - Clarification of OSHA's position on preemption precluding state court findings with regard to defective NIOSH-certified respirators. - 02/03/2010
• 1910.134 - Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content. - 04/02/2007
• 1910.134 - Clarification on equivalent test nebulizer for qualitative fit tests. - 11/13/2009
• 1910.134 - Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus. - 04/01/2011
• 1910.134 - Clarification on the use of smoke escape hoods/masks by area monitors during a building evacuation. - 04/26/2011
• 1910.134 - Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs. - 07/23/2007
• 1910.134 - Conditions where OSHA might accept a product that is not approved by NIOSH. - 10/22/1997
• 1910.134 - Conduct of respiratory protection medical evaluations by medical technicians. - 10/16/1998
• 1910.134 - Definition of a single use and negative pressure respirator - 01/29/2010
• 1910.134 - Difference between voluntary and non-voluntary use of a respirator. - 07/14/2009
• 1910.134 - Employee declination of medical evaluation; religious exemptions for respirator use. - 12/02/1998
• 1910.134 - Employees in a cotton yarn manufacturing plant who voluntarily wear cloth over their mouths and noses to prevent lint from sticking to their skin. - 03/09/1995
• 1910.134 - Enforcement policy for abrasive-blasting respiratory protection under the Lead in Construction Interim Final Rule. - 12/08/1998
• 1910.134 - Escape-only respirators - 09/04/2019
• 1910.134 - Facial hair and respirator wearing. - 03/29/1985
• 1910.134 - Facial hair and the wearing of respirators. - 02/21/1985
• 1910.134 - Facial hair and voluntary use of filtering facepiece respirators. - 02/06/2006
• 1910.134 - Facial Hair Under Seal of Tight-fitting Respirator - 09/14/2012
• 1910.134 - Fit testing and fit factors for the N-95 respirators for protection against TB exposure. - 03/04/1996
• 1910.134 - Fit testing for CBRN respirators. - 10/26/2011
• 1910.134 - Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator. - 03/29/2004
• 1910.134 - Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox. - 02/05/2004
• 1910.134 - Fit testing requirements for respirators used for CBRN protection. - 12/27/2011
• 1910.134 - Hazwoper training in hospitals. - 12/02/1991
• 1910.134 - Heat Initiative: Inspection Guidance - [OSH Act of 1970 - Section 5(a)(1)] - 09/01/2021
• 1910.134 - Incipient stage fire brigades. - 07/18/1996
• 1910.134 - Inquiry on beards, respirator use, and fit testing of repirators. - 10/03/1996
• 1910.134 - Interpretation of the Personal Protective Equipment standard - 07/03/1995
• 1910.134 - Job requiring respiratory protection. - 04/16/1996
• 1910.134 - Maintenance of medical evaluation and fit test records as required by the Respiratory Protection Standard. - 06/02/2009
• 1910.134 - Numerous questions on filtering facepiece/dusk mask respirators. - 11/22/2011
• 1910.134 - OSHA requirements for smoke plume generated from laser and electrosurgical instruments in dental offices and hospital operating rooms - [OSH Act of 1970 - Section 5(a)(1)] - 10/07/2016
• 1910.134 - OSHA tuberculosis (TB) enforcement. - 04/06/1995
• 1910.134 - OSHA's decision not to provide a religious exemption from the respirator standard. - 08/05/2011
• 1910.134 - Particulate Respirators Certified under 42 CFR Part 84. - 09/03/1996
• 1910.134 - Performance of user seal checks and whether positive and/or negative seal checks are required when donning a respirator. - 04/04/2007
• 1910.134 - Permissible Exposure Limits for Nuisance dust. - 05/15/1997
• 1910.134 - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces - 07/17/2014
• 1910.134 - Preemption of respiratory protection standard by DOT's Office of Pipeline Safety regulations. - 04/08/1999
• 1910.134 - Protection factors for respirators used in pharmaceutical industry: policy change. - 05/30/2002
• 1910.134 - PSM compliance for ammonia refrigeration systems. - 07/12/2006
• 1910.134 - Pulmonary function testing training requirements and spirometer transmission of disease. - 06/17/1993
• 1910.134 - QLFT fit testing procedures - 03/18/2015
• 1910.134 - Questions and answers regarding the respiratory protection standard - 10/16/1998
• 1910.134 - Requirements for fit testing employees before fire brigade training exercises. - 10/18/2004
• 1910.134 - Requirements for providing medical evaluations prior to wearing respiratory protection for training exercises. - 10/28/2004
• 1910.134 - Respirator Exhalation Valve Leakage. - 05/25/1994
• 1910.134 - Respirator rules as applied to open hatch gauging of sour crude oil storage tanks. - 06/11/1990
• 1910.134 - Respiratory protection against COVID-19 for employees with religiously mandated facial hair - 12/16/2021
• 1910.134 - Respiratory protection and emergency escape requirements for IDLH atmospheres. - 01/13/2003
• 1910.134 - Respiratory protection as it relates to oil fields - 04/14/1993
• 1910.134 - Respiratory protection compliance responsibility for contract workers and visitors. - 09/15/1987
• 1910.134 - Respiratory protection for anhydrous ammonia storage installations. - 12/07/1998
• 1910.134 - Respiratory Protection for Mercury and Chlorine - 03/01/1989
• 1910.134 - Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality. - 10/21/2004
• 1910.134 - Respiratory protection program requirements for M. tuberculosis based on risk assessments; applicability of the respirator standard to long-term healthcare facilities. - 07/23/2004
• 1910.134 - Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients. - 09/05/2002
• 1910.134 - Respiratory protection requirements for sour crude oil tank operations. - 04/25/1989
• 1910.134 - Respiratory protection, medical surveillance, and training requirements under HAZWOPER - 09/24/2002
• 1910.134 - Sampling Procedures for Employees Using Air-Supplied Respirators - 06/27/1989
• 1910.134 - South Carolina's regulatory procedures for single-use respirators. - 09/01/1992
• 1910.134 - Spray painting relating to vehicle maintenance operations. - 07/28/1992
• 1910.134 - Standard for exposure to tetrahydrofuran; Respirators may be worn only if engineering and administrative controls are not feasible. - 01/17/1986
• 1910.134 - Storage of flammable and/or combustible liquids. - 02/23/1994
• 1910.134 - The intervals between physical examinations for employees performing interior structural firefighting. - 01/29/1991
• 1910.134 - The M-17 gas mask may not be used by workers other than enlisted military personnel. - 04/21/1986
• 1910.134 - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure. - 02/05/1996
• 1910.134 - The Use of the Bullard "Free Air" Pump. - 04/18/1996
• 1910.134 - Training and PPE requirements for hospital staff that decontaminate victims/patients. - 12/02/2002
• 1910.134 - Training required for emergency response at industrial facilities - 06/04/1991
• 1910.134 - Training requirements of Hazwoper for various functions. - 08/20/1991
• 1910.134 - Tuberculosis: respiratory protection and complaint inspection. - 04/22/1996
• 1910.134 - Updated Interim Enforcement Response Plan for Coronavirus Disease 2019 (COVID-19) - [OSH Act of 1970 - Section 5(a)(1)] - 07/07/2021
• 1910.134 - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134 - Use of Bureau of Mines Approved Gas Mask Canisters - 11/15/1985
• 1910.134 - Use of eyeglass inserts or spectacle kits inside respirator full facepieces. - 04/07/1987
• 1910.134 - Use of smoke escape hoods meeting the ANSI-ISEA standard - 08/11/2010
• 1910.134 - Variance exposure level for silver metal. - 05/15/1996
• 1910.134 - Ventilation for an anhydrous ammonia refrigeration system. - 06/13/1990
• 1910.134 - Voluntary safety and health audits under the Occupational Safety and Health Act - 09/11/1996
• 1910.134 - Voluntary use of surgical masks - 12/20/2017
• 1910.134 - Voluntary use respirators - 04/26/2018
• 1910.134 - Whether the Respiratory Protection standard requires personal air monitoring to identify and evaluate the respiratory hazards in the workplace. - 05/14/2012
• 1910.134(a) - Facial hair and voluntary use of filtering facepiece respirators. - 02/06/2006
• 1910.134(a)(1) - Respirators for silica dust must be selected based on exposure levels. - 05/12/1999
• 1910.134(a)(2) - Paragraph (a)(2) applies to respirators provided for emergency use. - 12/22/1983
• 1910.134(a)(2) - Requirement for employer to assess potential hazards of handling trailer debris to provide necessary PPE and hazard communication information to affected employees. - 07/03/2007
• 1910.134(a)(2) - Respirators for silica dust must be selected based on exposure levels. - 05/12/1999
• 1910.134(b) - Classification of fires; respiratory protection to extinguish fires. - 07/08/2002
• 1910.134(b) - Filtering facepiece respirators and medical evaluations - 04/24/2018
• 1910.134(b) - Numerous questions on filtering facepiece/dusk mask respirators. - 11/22/2011
• 1910.134(b) - OSHA's decision not to provide a religious exemption from the respirator standard. - 08/05/2011
• 1910.134(c) - Biopacks are acceptable for fire brigade use; Biopacks are acceptable as SCBA's and may be used in IDLH atmospheres. - 06/15/1983
• 1910.134(c) - Medical evaluation requirements under the respiratory protection standard - 10/05/1998
• 1910.134(c) - Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality. - 10/21/2004
• 1910.134(c) - Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients. - 09/05/2002
• 1910.134(c) - Training and PPE requirements for hospital staff that decontaminate victims/patients. - 12/02/2002
• 1910.134(c) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134(c)(1) - Escape-only respirators - 09/04/2019
• 1910.134(c)(1)(ii) - Pulmonary function testing training requirements and spirometer transmission of disease. - 06/17/1993
• 1910.134(c)(2) - Filtering facepiece respirators and medical evaluations - 04/24/2018
• 1910.134(c)(2) - Numerous questions on filtering facepiece/dusk mask respirators. - 11/22/2011
• 1910.134(c)(2) - Respirators for voluntary use and cleaning respirators during fit testing. - 10/01/1999
• 1910.134(c)(2) - Use of smoke escape hoods meeting the ANSI-ISEA standard - 08/11/2010
• 1910.134(c)(2) - Voluntary use respirators - 04/26/2018
• 1910.134(c)(2)(ii) - Facial hair and voluntary use of filtering facepiece respirators. - 02/06/2006
• 1910.134(c)(4) - Clarification of respirator costs, annual training, and "effective" seal checks. - 12/23/1998
• 1910.134(c)(4) - Voluntary use respirators - 04/26/2018
• 1910.134(d) - Assessing hazards to select eye and respiratory protection. - 11/11/1998
• 1910.134(d) - Clarification on OSHA's policy regarding Immediately Dangerous to Life and Health since NIOSH has lowered several IDLH levels. - 10/11/1995
• 1910.134(d) - Hooded versus tight-fitting respirators when complying with the Asbestos Standard - 07/18/2017
• 1910.134(d) - Qualitative and quantitative fit tests versus assigned protection factors - 05/23/2017
• 1910.134(d) - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure. - 02/05/1996
• 1910.134(d) - The relationship between OSHA standards and the usage of particulate respirators. - 03/18/1996
• 1910.134(d) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134(d)(1) - OSHA's decision not to provide a religious exemption from the respirator standard. - 08/05/2011
• 1910.134(d)(1) - Respiratory protection against COVID-19 for employees with religiously mandated facial hair - 12/16/2021
• 1910.134(d)(1)(i) - Beards may not interfere with face seal;alternative respirators for bearded employees. - 03/07/2003
• 1910.134(d)(1)(i) - Selection of air purifying respirators for gases and vapors with poor warning properties (diisocyanates) - 07/18/2000
• 1910.134(d)(1)(ii) - NIOSH approved respirator during the period of an employee's escape from a chemical release of phosgene. - 07/01/1997
• 1910.134(d)(1)(ii) - OSHA requirements for respirator fit testing with and without facepiece accessories - 01/17/2017
• 1910.134(d)(1)(ii) - Respirators for voluntary use and cleaning respirators during fit testing. - 10/01/1999
• 1910.134(d)(1)(ii) - SCBA cylinder interchangeability. - 06/20/1997
• 1910.134(d)(1)(ii) - Use of non-approved respirators and improper use of approved respirators - 01/24/1991
• 1910.134(d)(1)(ii) - Using combinations of respiratory protection not approved by NIOSH. - 01/29/1999
• 1910.134(d)(1)(iii) - Whether the Respiratory Protection standard requires personal air monitoring to identify and evaluate the respiratory hazards in the workplace. - 05/14/2012
• 1910.134(d)(2) - Clarification on OSHA's policy regarding Immediately Dangerous to Life and Health since NIOSH has lowered several IDLH levels. - 10/11/1995
• 1910.134(d)(2)(i)(A) - Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content. - 04/02/2007
• 1910.134(d)(2)(i)(B) - Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content. - 04/02/2007
• 1910.134(d)(2)(ii) - Use of smoke escape hoods meeting the ANSI-ISEA standard - 08/11/2010
• 1910.134(d)(2)(iii) - Clarification of OSHA denial of FirePASS's variance request and respiratory protection requirements in oxygen-deficient atmospheres. - 05/01/2008
• 1910.134(d)(2)(iii) - Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content. - 04/02/2007
• 1910.134(d)(3) - Hooded versus tight-fitting respirators when complying with the Asbestos Standard - 07/18/2017
• 1910.134(d)(3)(i)(A) - APF for the combination pressure-demand, full-facepiece SAR with auxiliary SCBA - 11/04/2013
• 1910.134(d)(3)(i)(A) - Protection factors for respirators used in pharmaceutical industry: policy change. - 05/30/2002
• 1910.134(d)(3)(i)(A) - Use of powered-air purifying respirators (PAPR) for welding operations and assigned protection factor - 04/15/2021
• 1910.134(d)(3)(iii) - Selection of air purifying respirators for gases and vapors with poor warning properties (diisocyanates) - 07/18/2000
• 1910.134(d)(3)(iii)(B)(1) - Use of Chemical Cartridge Respirators for Protection Against Mercury Vapor - 11/15/1985
• 1910.134(d)(3)(iv)(B) - The use of particulate filters and respirators. - 05/05/1997
• 1910.134(e) - Acceptable use of an electronic medical questionnaire system to comply with 1910.134(e). - 08/16/2002
• 1910.134(e) - Clarification of a PLHCP under the Respiratory protection standard. - 01/02/1999
• 1910.134(e) - Clarification of the medical evaluation provisions of the revised respiratory protection standard. - 11/16/1998
• 1910.134(e) - Comparing medical evaluation requirements in the HAZWOPER, Respiratory protection, and Fire brigades standards. - 01/15/1999
• 1910.134(e) - Health care professional's discretion regarding medical evaluations and exams. - 10/16/1998
• 1910.134(e) - Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards - 06/12/2017
• 1910.134(e) - Medical evaluation not required for the use of escape only respirators. - 03/08/1999
• 1910.134(e) - Medical evaluation requirements under the respiratory protection standard - 10/05/1998
• 1910.134(e) - Medical evaluations must be performed prior to fit testing. - 03/05/1999
• 1910.134(e) - Medical Interpretation concerning exposure to H2S and respiratory protection with a perforated ear drum. - 05/14/1984
• 1910.134(e) - Pulmonary function testing training requirements and spirometer transmission of disease. - 06/17/1993
• 1910.134(e) - Recordkeeping and maintenance of respirator medical evaluations - 12/04/2014
• 1910.134(e) - Requirements for providing medical evaluations prior to wearing respiratory protection for training exercises. - 10/28/2004
• 1910.134(e) - Respiratory protection, medical surveillance, and training requirements under HAZWOPER - 09/24/2002
• 1910.134(e) - Voluntary use respirators - 04/26/2018
• 1910.134(e)(1) - Escape-only respirators - 09/04/2019
• 1910.134(e)(1) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators. - 06/12/2002
• 1910.134(e)(2) - Respiratory protection: editing the medical questionnaire; medical questionnaire not always required. - 01/04/1999
• 1910.134(e)(2)(i) - Clarification on whether a Registered Nurse can act as a licensed health care professional for purposes of conducting a respiratory protection medical evaluation - 09/02/2014
• 1910.134(e)(2)(i) - Conduct of respiratory protection medical evaluations by medical technicians. - 10/16/1998
• 1910.134(e)(3) - Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards - 06/12/2017
• 1910.134(e)(5) - Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality. - 10/21/2004
• 1910.134(e)(5)(i) - Use of skin diving hood under respirator for bearded employee unacceptable. - 02/25/1982
• 1910.134(e)(6)(i) - Retention of Spirometry Records - 09/18/2019
• 1910.134(e)(6)(i)(B) - Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards - 06/12/2017
• 1910.134(f) - Appendix A requirements and techniques for fit testing respirators. - 08/27/1999
• 1910.134(f) - Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator. - 03/29/2004
• 1910.134(f) - Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox. - 02/05/2004
• 1910.134(f) - Qualitative and quantitative fit tests versus assigned protection factors - 05/23/2017
• 1910.134(f) - Requirements for fit testing employees before fire brigade training exercises. - 10/18/2004
• 1910.134(f) - Respirator fit test requirements - 02/08/2016
• 1910.134(f) - Respiratory protection, medical surveillance, and training requirements under HAZWOPER - 09/24/2002
• 1910.134(f) - The grimace step in respiratory protection fit-testing procedures. - 01/04/1999
• 1910.134(f) - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure. - 02/05/1996
• 1910.134(f) - Use of multi-station electric pump nebulizer and the squeeze bulb Bitrex for QLFT. - 03/08/2001
• 1910.134(f) - Voluntary use respirators - 04/26/2018
• 1910.134(f) - When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks. - 11/16/1998
• 1910.134(f) - When to use quantitative and qualitative fit testing. - 01/15/1999
• 1910.134(f)(2) - Clarification of respirator costs, annual training, and "effective" seal checks. - 12/23/1998
• 1910.134(f)(2) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators. - 06/12/2002
• 1910.134(f)(2) - OSHA requirements for respirator fit testing with and without facepiece accessories - 01/17/2017
• 1910.134(f)(2) - Respirator fit test requirements - 02/08/2016
• 1910.134(f)(6) - Respirators for voluntary use and cleaning respirators during fit testing. - 10/01/1999
• 1910.134(f)(7) - Fit testing for CBRN respirators. - 10/26/2011
• 1910.134(f)(7) - Fit testing requirements for respirators used for CBRN protection. - 12/27/2011
• 1910.134(f)(8) - Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs. - 07/23/2007
• 1910.134(f)(8) - Fit testing requirements for respirators used for CBRN protection. - 12/27/2011
• 1910.134(g) - Response to IDLH or Potential IDLH atmospheres. - 05/01/1995
• 1910.134(g) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134(g)(1) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA). - 09/20/1995
• 1910.134(g)(1) - Facial hair and respirator fit - 05/09/2016
• 1910.134(g)(1)(i) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA). - 09/20/1995
• 1910.134(g)(1)(i) - Beards may not interfere with face seal;alternative respirators for bearded employees. - 03/07/2003
• 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable. - 11/26/1985
• 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable. - 10/11/1984
• 1910.134(g)(1)(i) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators. - 08/18/1986
• 1910.134(g)(1)(i) - Protection provided by powered air-purifying respirators. - 03/20/1987
• 1910.134(g)(1)(i) - Use of the Racal "Breath-Easy 6" powered air purifying respirator with beards. - 07/27/1993
• 1910.134(g)(1)(i) - Workers cannot sign a release so they can wear a respirator with a beard. - 01/18/1984
• 1910.134(g)(1)(i)(A) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA). - 09/20/1995
• 1910.134(g)(1)(i)(A) - Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus. - 04/01/2011
• 1910.134(g)(1)(i)(A) - Facial hair and respirator fit - 05/09/2016
• 1910.134(g)(1)(i)(B) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA). - 09/20/1995
• 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable. - 11/26/1985
• 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable. - 10/11/1984
• 1910.134(g)(1)(ii) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators. - 08/18/1986
• 1910.134(g)(1)(ii) - Protection provided by powered air-purifying respirators. - 03/20/1987
• 1910.134(g)(1)(iii) - Clarification of respirator costs, annual training, and "effective" seal checks. - 12/23/1998
• 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable. - 11/26/1985
• 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable. - 10/11/1984
• 1910.134(g)(1)(iii) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators. - 06/12/2002
• 1910.134(g)(1)(iii) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators. - 08/18/1986
• 1910.134(g)(1)(iii) - Protection provided by powered air-purifying respirators. - 03/20/1987
• 1910.134(g)(3) - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces - 07/17/2014
• 1910.134(g)(3) - Respiratory protection and emergency escape requirements for IDLH atmospheres. - 01/13/2003
• 1910.134(g)(3) - The interpretation of the OSHA standards 1910.134 and 1910.156 which address the requirements for workers who are actively conducting operations in atmospheres that are immediately dangerous to life and health. - 11/01/1995
• 1910.134(g)(4) - Classification of fires; respiratory protection to extinguish fires. - 07/08/2002
• 1910.134(g)(4) - Complying with the "two-in, two-out" policy for interior structural firefighting. - 03/12/1999
• 1910.134(g)(4) - Respiratory protecton standard two-in/two-out policy. - 12/15/1998
• 1910.134(g)(4) - The interpretation of the OSHA standards 1910.134 and 1910.156 which address the requirements for workers who are actively conducting operations in atmospheres that are immediately dangerous to life and health. - 11/01/1995
• 1910.134(g)(4) - Two-in/two-out procedure in firefighting/IDLH environments. - 04/29/1998
• 1910.134(g)(4) - Two-in/two-out rule for interior structural fire fighting. - 11/13/1998
• 1910.134(h) - Numerous questions on filtering facepiece/dusk mask respirators. - 11/22/2011
• 1910.134(h) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134(h)(1) - Respirators for voluntary use and cleaning respirators during fit testing. - 10/01/1999
• 1910.134(h)(1)(iii) - Decontamination of SCBA second stage regulators. - 11/02/1998
• 1910.134(h)(2) - When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks. - 11/16/1998
• 1910.134(h)(3)(iii) - Respirator breathing air cylinders must be maintained in a fully chargd state, regardless of cylinder size, and recharged when pressure falls below 90% of full charge. - 08/19/2005
• 1910.134(i) - 1910.134(i) does not apply to portable breathing air compressors. - 08/13/1999
• 1910.134(i) - Breathing air: testing and carbon monoxide alarm. - 04/25/1994
• 1910.134(i) - Respirator air quality standards do not apply where the NRC has jurisdiction - 03/06/1979
• 1910.134(i)(1)(i) - Cool-view welding helmets must meet Grade D breathing air requirements; Requirements for standard welding helmets. - 07/14/1981
• 1910.134(i)(4)(ii) - Using a "generic type" certificate of analysis for Grade D breathing air. - 02/05/1999
• 1910.134(i)(7) - Carbon Monoxide or High Temperature Alarm Requirement for Portable Breathing Air Compressors. - 07/05/1994
• 1910.134(i)(7) - Del-Monox air purifiers are unacceptable for testing carbon monoxide concentration for compressor breathing air. - 10/15/1981
• 1910.134(i)(8) - Couplings used in supplied air respirator systems. - 04/24/1986
• 1910.134(k) - Clarification of respirator costs, annual training, and "effective" seal checks. - 12/23/1998
• 1910.134(k) - OSHA Training Standards Policy Statements - 04/28/2010
• 1910.134(k) - Respirator fit test requirements - 02/08/2016
• 1910.134(k) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors - 01/10/1990
• 1910.134(k) - Use of smoke escape hoods meeting the ANSI-ISEA standard - 08/11/2010
• 1910.134(m) - Employee's rights upon termination to access to physician's written opinion and respirator fit test results. - 10/20/2005
• 1910.134(m) - Maintenance of medical evaluation and fit test records as required by the Respiratory Protection Standard. - 06/02/2009
• 1910.134(m)(2) - Employee's rights upon termination to access to physician's written opinion and respirator fit test results. - 10/20/2005
• 1910.134(m)(4) - Employee's rights upon termination to access to physician's written opinion and respirator fit test results. - 10/20/2005


• [11/18/1987] Prohibition of beards for respirators.

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