1
05/31/2023 Clarifications for breathing air quality and use
2
05/31/2023 Clarifications for breathing air quality and use
3
05/31/2023 Clarifications for breathing air quality and use
4
05/31/2023 Clarifications for breathing air quality and use
5
05/31/2023 Clarifications for breathing air quality and use
6
05/31/2023
Clarifications for breathing air quality and use
7
03/02/2022
COVID-19 Focused Inspection Initiative in Healthcare
8
12/16/2021 Respiratory protection against COVID-19 for employees with religiously mandated facial hair
9
12/16/2021
Respiratory protection against COVID-19 for employees with religiously mandated facial hair
10
09/01/2021
Heat Initiative: Inspection Guidance
11
07/07/2021
Updated Interim Enforcement Response Plan for Coronavirus Disease 2019 (COVID-19)
12
04/15/2021 Use of powered-air purifying respirators (PAPR) for welding operations and assigned protection factor
13
10/02/2020 Temporary Enforcement Guidance – Tight-Fitting Powered Air Purifying Respirators (PAPRs) Used During the Coronavirus Disease 2019 (COVID-19) Pandemic
14
10/02/2020
Temporary Enforcement Guidance – Tight-Fitting Powered Air Purifying Respirators (PAPRs) Used During the Coronavirus Disease 2019 (COVID-19) Pandemic
15
04/24/2020 Enforcement Guidance on Decontamination of Filtering Facepiece Respirators in Healthcare During the Coronavirus Disease 2019 (COVID-19) Pandemic
16
04/24/2020
Enforcement Guidance on Decontamination of Filtering Facepiece Respirators in Healthcare During the Coronavirus Disease 2019 (COVID-19) Pandemic
17
04/16/2020 Discretion in Enforcement when Considering an Employer's Good Faith Efforts During the Coronavirus Disease 2019 (COVID-19) Pandemic
18
04/16/2020 Discretion in Enforcement when Considering an Employer's Good Faith Efforts During the Coronavirus Disease 2019 (COVID-19) Pandemic
19
04/08/2020 Expanded Temporary Enforcement Guidance on Respiratory Protection Fit-Testing for N95 Filtering Facepieces in All Industries During the Coronavirus Disease 2019 (COVID-19) Pandemic
20
04/08/2020
Expanded Temporary Enforcement Guidance on Respiratory Protection Fit-Testing for N95 Filtering Facepieces in All Industries During the Coronavirus Disease 2019 (COVID-19) Pandemic
21
04/03/2020 Enforcement Guidance for Use of Respiratory Protection Equipment Certified under Standards of Other Countries or Jurisdictions During the Coronavirus Disease 2019 (COVID-19) Pandemic
22
04/03/2020 Enforcement Guidance for Respiratory Protection and the N95 Shortage Due to the Coronavirus Disease 2019 (COVID-19) Pandemic
23
04/03/2020 Enforcement Guidance for Respiratory Protection and the N95 Shortage Due to the Coronavirus Disease 2019 (COVID-19) Pandemic
24
03/14/2020 Temporary Enforcement Guidance - Healthcare Respiratory Protection Annual Fit-Testing for N95 Filtering Facepieces During the COVID-19 Outbreak
25
09/18/2019 Retention of Spirometry Records
26
09/04/2019 Escape-only respirators
27
09/04/2019 Escape-only respirators
28
09/04/2019
Escape-only respirators
29
04/26/2018 Voluntary use respirators
30
04/26/2018 Voluntary use respirators
31
04/26/2018 Voluntary use respirators
32
04/26/2018 Voluntary use respirators
33
04/26/2018
Voluntary use respirators
34
04/24/2018 Filtering facepiece respirators and medical evaluations
35
04/24/2018 Filtering facepiece respirators and medical evaluations
36
12/20/2017
Voluntary use of surgical masks
37
10/19/2017
Interim Enforcement Guidance for the Respirable Crystalline Silica in Construction Standard, 29 CFR 1926.1153
38
07/18/2017 Hooded versus tight-fitting respirators when complying with the Asbestos Standard
39
07/18/2017 Hooded versus tight-fitting respirators when complying with the Asbestos Standard
40
06/12/2017 Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards
41
06/12/2017 Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards
42
06/12/2017 Mandatory annual blood work requirements in OSHA's Respiratory Protection and Ethylene Oxide standards
43
05/23/2017 Qualitative and quantitative fit tests versus assigned protection factors
44
05/23/2017 Qualitative and quantitative fit tests versus assigned protection factors
45
01/17/2017 OSHA requirements for respirator fit testing with and without facepiece accessories
46
01/17/2017 OSHA requirements for respirator fit testing with and without facepiece accessories
47
10/07/2016
OSHA requirements for smoke plume generated from laser and electrosurgical instruments in dental offices and hospital operating rooms
48
05/09/2016 Facial hair and respirator fit
49
05/09/2016 Facial hair and respirator fit
50
02/08/2016 Respirator fit test requirements
51
02/08/2016 Respirator fit test requirements
52
02/08/2016 Respirator fit test requirements
53
03/18/2015
QLFT fit testing procedures
54
12/04/2014 Recordkeeping and maintenance of respirator medical evaluations
55
09/02/2014 Clarification on whether a Registered Nurse can act as a licensed health care professional for purposes of conducting a respiratory protection medical evaluation
56
07/17/2014 Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces
57
07/17/2014
Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces
58
11/04/2013 APF for the combination pressure-demand, full-facepiece SAR with auxiliary SCBA
59
11/04/2013
APF for the combination pressure-demand, full-facepiece SAR with auxiliary SCBA
60
09/14/2012
Facial Hair Under Seal of Tight-fitting Respirator
61
05/14/2012 Whether the Respiratory Protection standard requires personal air monitoring to identify and evaluate the respiratory hazards in the workplace.
62
05/14/2012
Whether the Respiratory Protection standard requires personal air monitoring to identify and evaluate the respiratory hazards in the workplace.
63
02/29/2012
Additional duties of two standby personnel for structural firefighting
64
12/27/2011 Fit testing requirements for respirators used for CBRN protection.
65
12/27/2011 Fit testing requirements for respirators used for CBRN protection.
66
12/27/2011
Fit testing requirements for respirators used for CBRN protection.
67
11/22/2011 Numerous questions on filtering facepiece/dusk mask respirators.
68
11/22/2011 Numerous questions on filtering facepiece/dusk mask respirators.
69
11/22/2011 Numerous questions on filtering facepiece/dusk mask respirators.
70
11/22/2011
Numerous questions on filtering facepiece/dusk mask respirators.
71
10/26/2011 Fit testing for CBRN respirators.
72
10/26/2011
Fit testing for CBRN respirators.
73
08/05/2011 OSHA's decision not to provide a religious exemption from the respirator standard.
74
08/05/2011 OSHA's decision not to provide a religious exemption from the respirator standard.
75
08/05/2011
OSHA's decision not to provide a religious exemption from the respirator standard.
76
04/26/2011
Clarification on the use of smoke escape hoods/masks by area monitors during a building evacuation.
77
04/01/2011 Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus.
78
04/01/2011
Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus.
79
08/11/2010 Use of smoke escape hoods meeting the ANSI-ISEA standard
80
08/11/2010 Use of smoke escape hoods meeting the ANSI-ISEA standard
81
08/11/2010 Use of smoke escape hoods meeting the ANSI-ISEA standard
82
08/11/2010
Use of smoke escape hoods meeting the ANSI-ISEA standard
83
04/28/2010 OSHA Training Standards Policy Statements
84
02/03/2010
Clarification of OSHA's position on preemption precluding state court findings with regard to defective NIOSH-certified respirators.
85
01/29/2010
Definition of a single use and negative pressure respirator
86
11/13/2009
Clarification on equivalent test nebulizer for qualitative fit tests.
87
07/14/2009
Difference between voluntary and non-voluntary use of a respirator.
88
06/02/2009 Maintenance of medical evaluation and fit test records as required by the Respiratory Protection Standard.
89
06/02/2009
Maintenance of medical evaluation and fit test records as required by the Respiratory Protection Standard.
90
05/01/2008 Clarification of OSHA denial of FirePASS's variance request and respiratory protection requirements in oxygen-deficient atmospheres.
91
05/01/2008
Clarification of OSHA denial of FirePASS's variance request and respiratory protection requirements in oxygen-deficient atmospheres.
92
03/24/2008 Tuberculosis and Respiratory Protection Enforcement
93
03/24/2008
Tuberculosis and Respiratory Protection Enforcement
94
07/23/2007 Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs.
95
07/23/2007
Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs.
96
07/03/2007 Requirement for employer to assess potential hazards of handling trailer debris to provide necessary PPE and hazard communication information to affected employees.
97
05/17/2007 Tuberculosis and Respiratory Protection.
98
05/17/2007 Tuberculosis and Respiratory Protection.
99
05/17/2007
Tuberculosis and Respiratory Protection.
100
05/10/2007
Clarification of OSHA's asbestos standards for general industry and construction and the respiratory protection standard as applied to medical surveillance of employees.
101
04/17/2007 OSHA training Standards Policy Statement.
102
04/04/2007
Performance of user seal checks and whether positive and/or negative seal checks are required when donning a respirator.
103
04/02/2007 Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content.
104
04/02/2007 Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content.
105
04/02/2007 Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content.
106
04/02/2007
Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content.
107
07/12/2006
PSM compliance for ammonia refrigeration systems.
108
02/22/2006 Tuberculosis and Respiratory Protection: prohibition on enforcement of annual fit testing requirements during fiscal year 2006.
109
02/22/2006 Tuberculosis and Respiratory Protection: prohibition on enforcement of annual fit testing requirements during fiscal year 2006.
110
02/22/2006
Tuberculosis and Respiratory Protection: prohibition on enforcement of annual fit testing requirements during fiscal year 2006.
111
02/06/2006 Facial hair and voluntary use of filtering facepiece respirators.
112
02/06/2006 Facial hair and voluntary use of filtering facepiece respirators.
113
02/06/2006
Facial hair and voluntary use of filtering facepiece respirators.
114
10/20/2005 Employee's rights upon termination to access to physician's written opinion and respirator fit test results.
115
10/20/2005 Employee's rights upon termination to access to physician's written opinion and respirator fit test results.
116
10/20/2005 Employee's rights upon termination to access to physician's written opinion and respirator fit test results.
117
08/19/2005 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.
118
12/22/2004 Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
119
12/22/2004 Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
120
12/22/2004 Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
121
12/22/2004
Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.
122
10/28/2004 Requirements for providing medical evaluations prior to wearing respiratory protection for training exercises.
123
10/28/2004
Requirements for providing medical evaluations prior to wearing respiratory protection for training exercises.
124
10/21/2004 Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality.
125
10/21/2004 Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality.
126
10/21/2004
Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality.
127
10/18/2004 Requirements for fit testing employees before fire brigade training exercises.
128
10/18/2004
Requirements for fit testing employees before fire brigade training exercises.
129
07/30/2004 Tuberculosis and Respiratory Protection.
130
07/30/2004 Tuberculosis and Respiratory Protection.
131
07/30/2004 Tuberculosis and Respiratory Protection.
132
07/30/2004 Tuberculosis and Respiratory Protection.
133
07/30/2004 Tuberculosis and Respiratory Protection.
134
07/30/2004
Tuberculosis and Respiratory Protection.
135
07/23/2004
Respiratory protection program requirements for M. tuberculosis based on risk assessments; applicability of the respirator standard to long-term healthcare facilities.
136
03/29/2004 Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator.
137
03/29/2004
Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator.
138
02/05/2004 Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox.
139
02/05/2004
Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox.
140
03/07/2003 Beards may not interfere with face seal;alternative respirators for bearded employees.
141
03/07/2003 Beards may not interfere with face seal;alternative respirators for bearded employees.
142
03/07/2003
Beards may not interfere with face seal;alternative respirators for bearded employees.
143
01/13/2003 Respiratory protection and emergency escape requirements for IDLH atmospheres.
144
01/13/2003
Respiratory protection and emergency escape requirements for IDLH atmospheres.
145
12/02/2002 Training and PPE requirements for hospital staff that decontaminate victims/patients.
146
12/02/2002
Training and PPE requirements for hospital staff that decontaminate victims/patients.
147
09/24/2002 Respiratory protection, medical surveillance, and training requirements under HAZWOPER
148
09/24/2002 Respiratory protection, medical surveillance, and training requirements under HAZWOPER
149
09/24/2002
Respiratory protection, medical surveillance, and training requirements under HAZWOPER
150
09/05/2002 Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients.
151
09/05/2002
Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients.
152
08/16/2002 Acceptable use of an electronic medical questionnaire system to comply with 1910.134(e).
153
07/08/2002 Classification of fires; respiratory protection to extinguish fires.
154
07/08/2002 Classification of fires; respiratory protection to extinguish fires.
155
06/12/2002 Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.
156
06/12/2002 Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.
157
06/12/2002 Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.
158
06/03/2002
Tuberculosis testing procedures for the home health care industry.
159
05/30/2002 Protection factors for respirators used in pharmaceutical industry: policy change.
160
05/30/2002
Protection factors for respirators used in pharmaceutical industry: policy change.
161
05/03/2001
Application of 1926.800 to lone employees working underground in a tunnel or shaft connected to a tunnel.
162
03/08/2001 Use of multi-station electric pump nebulizer and the squeeze bulb Bitrex for QLFT.
163
07/18/2000 Selection of air purifying respirators for gases and vapors with poor warning properties (diisocyanates)
164
10/01/1999 Respirators for voluntary use and cleaning respirators during fit testing.
165
10/01/1999 Respirators for voluntary use and cleaning respirators during fit testing.
166
09/04/1996
Entry into a confined space when the lower flammable limit is greater than ten percent.
167
07/18/2000 Selection of air purifying respirators for gases and vapors with poor warning properties (diisocyanates)
168
10/01/1999 Respirators for voluntary use and cleaning respirators during fit testing.
169
10/01/1999 Respirators for voluntary use and cleaning respirators during fit testing.
170
08/27/1999 Appendix A requirements and techniques for fit testing respirators.
171
08/13/1999 1910.134(i) does not apply to portable breathing air compressors.
172
05/12/1999 Respirators for silica dust must be selected based on exposure levels.
173
10/16/1998
Questions and answers regarding the respiratory protection standard
174
05/12/1999 Respirators for silica dust must be selected based on exposure levels.
175
04/08/1999
Preemption of respiratory protection standard by DOT's Office of Pipeline Safety regulations.
176
03/12/1999 Complying with the "two-in, two-out" policy for interior structural firefighting.
177
03/08/1999 Medical evaluation not required for the use of escape only respirators.
178
03/05/1999 Medical evaluations must be performed prior to fit testing.
179
02/05/1999 Using a "generic type" certificate of analysis for Grade D breathing air.
180
01/29/1999 Using combinations of respiratory protection not approved by NIOSH.
181
01/15/1999 When to use quantitative and qualitative fit testing.
182
01/15/1999 Comparing medical evaluation requirements in the HAZWOPER, Respiratory protection, and Fire brigades standards.
183
01/04/1999 The grimace step in respiratory protection fit-testing procedures.
184
01/04/1999 Respiratory protection: editing the medical questionnaire; medical questionnaire not always required.
185
01/02/1999 Clarification of a PLHCP under the Respiratory protection standard.
186
12/23/1998 Clarification of respirator costs, annual training, and "effective" seal checks.
187
12/23/1998 Clarification of respirator costs, annual training, and "effective" seal checks.
188
12/23/1998 Clarification of respirator costs, annual training, and "effective" seal checks.
189
12/23/1998 Clarification of respirator costs, annual training, and "effective" seal checks.
190
12/22/1998 Clarification of the respiratory protection medical evaluation.
191
12/15/1998 Respiratory protecton standard two-in/two-out policy.
192
12/08/1998
Enforcement policy for abrasive-blasting respiratory protection under the Lead in Construction Interim Final Rule.
193
12/07/1998
Respiratory protection for anhydrous ammonia storage installations.
194
12/02/1998
Employee declination of medical evaluation; religious exemptions for respirator use.
195
11/16/1998 When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks.
196
11/16/1998 When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks.
197
11/16/1998 Clarification of the medical evaluation provisions of the revised respiratory protection standard.
198
11/13/1998 Two-in/two-out rule for interior structural fire fighting.
199
11/11/1998 Assessing hazards to select eye and respiratory protection.
200
11/02/1998 Decontamination of SCBA second stage regulators.
201
10/16/1998 Conduct of respiratory protection medical evaluations by medical technicians.
202
10/16/1998 Health care professional's discretion regarding medical evaluations and exams.
203
10/16/1998
Conduct of respiratory protection medical evaluations by medical technicians.
204
10/13/1998
Respiratory Protection Standard: Interim Enforcement Policy.
205
10/05/1998 Medical evaluation requirements under the respiratory protection standard
206
10/05/1998 Medical evaluation requirements under the respiratory protection standard
207
04/29/1998 Two-in/two-out procedure in firefighting/IDLH environments.
208
10/22/1997
Conditions where OSHA might accept a product that is not approved by NIOSH.
209
07/01/1997 NIOSH approved respirator during the period of an employee's escape from a chemical release of phosgene.
210
06/20/1997 SCBA cylinder interchangeability.
211
05/15/1997
Permissible Exposure Limits for Nuisance dust.
212
05/05/1997 The use of particulate filters and respirators.
213
03/31/1997
Additional Enforcement Policy Change for Respiratory Protection Required for Abrasive Blasting.
214
12/09/1996
Issuance of and paying for Personal Protective Equipment.
215
10/03/1996
Inquiry on beards, respirator use, and fit testing of repirators.
216
09/11/1996
Voluntary safety and health audits under the Occupational Safety and Health Act
217
09/04/1996
Belt mounted filtration unit used with any NIOSH approved supplied-air respirator.
218
09/03/1996
Particulate Respirators Certified under 42 CFR Part 84.
219
07/18/1996
Incipient stage fire brigades.
220
06/13/1996
Respirator Concerns.
221
05/15/1996
Variance exposure level for silver metal.
222
04/22/1996
Tuberculosis: respiratory protection and complaint inspection.
223
04/18/1996
The Use of the Bullard "Free Air" Pump.
224
04/16/1996
Job requiring respiratory protection.
225
03/18/1996 The relationship between OSHA standards and the usage of particulate respirators.
226
03/04/1996
Fit testing and fit factors for the N-95 respirators for protection against TB exposure.
227
02/05/1996 The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
228
02/05/1996 The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
229
02/05/1996
The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
230
12/04/1995
Clarification of the requirements of the Respiratory Protection Standard.
231
11/01/1995 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.
232
11/01/1995 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.
233
10/11/1995 Clarification on OSHA's policy regarding Immediately Dangerous to Life and Health since NIOSH has lowered several IDLH levels.
234
10/11/1995 Clarification on OSHA's policy regarding Immediately Dangerous to Life and Health since NIOSH has lowered several IDLH levels.
235
09/20/1995 Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
236
09/20/1995 Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
237
09/20/1995 Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
238
09/20/1995 Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
239
09/20/1995
Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
240
09/06/1995
Update: OSHA Enforcement Policy for Occupational Exposure to Tuberculosis.
241
07/03/1995
Interpretation of the Personal Protective Equipment standard
242
05/01/1995 Response to IDLH or Potential IDLH atmospheres.
243
04/06/1995
OSHA tuberculosis (TB) enforcement.
244
03/09/1995
Employees in a cotton yarn manufacturing plant who voluntarily wear cloth over their mouths and noses to prevent lint from sticking to their skin.
245
07/11/1994
Respirator use of spray operations involving paints containing isocyanates.
246
07/05/1994 Carbon Monoxide or High Temperature Alarm Requirement for Portable Breathing Air Compressors.
247
05/25/1994
Respirator Exhalation Valve Leakage.
248
04/25/1994 Breathing air: testing and carbon monoxide alarm.
249
02/23/1994
Storage of flammable and/or combustible liquids.
250
07/27/1993 Use of the Racal "Breath-Easy 6" powered air purifying respirator with beards.
251
06/17/1993 Pulmonary function testing training requirements and spirometer transmission of disease.
252
06/17/1993 Pulmonary function testing training requirements and spirometer transmission of disease.
253
06/17/1993
Pulmonary function testing training requirements and spirometer transmission of disease.
254
04/14/1993
Respiratory protection as it relates to oil fields
255
01/26/1993 Hierarchy of air contaminant controls; respirators for emergencies.
256
01/26/1993 Hierarchy of air contaminant controls; respirators for emergencies.
257
09/01/1992
South Carolina's regulatory procedures for single-use respirators.
258
07/28/1992
Spray painting relating to vehicle maintenance operations.
259
12/02/1991
Hazwoper training in hospitals.
260
08/20/1991
Training requirements of Hazwoper for various functions.
261
06/04/1991
Training required for emergency response at industrial facilities
262
01/29/1991
The intervals between physical examinations for employees performing interior structural firefighting.
263
01/24/1991 Use of non-approved respirators and improper use of approved respirators
264
06/13/1990
Ventilation for an anhydrous ammonia refrigeration system.
265
06/11/1990
Respirator rules as applied to open hatch gauging of sour crude oil storage tanks.
266
06/04/1990 NIOSH eliminates maximum use concentrations (MUC) labeling requirement for Chemical Cartridges.
267
05/01/1990
Respirators required during initial hazardous waste site entry
268
01/10/1990 Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
269
01/10/1990 Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
270
01/10/1990 Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
271
01/10/1990 Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
272
01/10/1990 Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
273
01/10/1990
Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
274
06/27/1989
Sampling Procedures for Employees Using Air-Supplied Respirators
275
04/25/1989
Respiratory protection requirements for sour crude oil tank operations.
276
03/01/1989
Respiratory Protection for Mercury and Chlorine
277
09/15/1987
Respiratory protection compliance responsibility for contract workers and visitors.
278
04/07/1987
Use of eyeglass inserts or spectacle kits inside respirator full facepieces.
279
03/24/1987
Acceptance of closed-circuit self-contained breathing apparatus for firefighting.
280
03/20/1987 Protection provided by powered air-purifying respirators.
281
03/20/1987 Protection provided by powered air-purifying respirators.
282
03/20/1987 Protection provided by powered air-purifying respirators.
283
08/18/1986 Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.
284
08/18/1986 Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.
285
08/18/1986 Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.
286
04/24/1986 Couplings used in supplied air respirator systems.
287
04/21/1986
The M-17 gas mask may not be used by workers other than enlisted military personnel.
288
03/03/1986 Alarm requirements for breathing air compressors;Respirators for paint materials containing TDI or MDI;Full facepiece respirators are required when eye irritation is experienced.
289
03/03/1986 Alarm requirements for breathing air compressors;Respirators for paint materials containing TDI or MDI;Full facepiece respirators are required when eye irritation is experienced.
290
01/17/1986
Standard for exposure to tetrahydrofuran; Respirators may be worn only if engineering and administrative controls are not feasible.
291
11/26/1985 Facial hair in the face sealing area is unacceptable.
292
11/26/1985 Facial hair in the face sealing area is unacceptable.
293
11/26/1985 Facial hair in the face sealing area is unacceptable.
294
11/19/1985
Application of the Hazard Communication standard to gray and ductile iron castings.
295
11/15/1985 Use of Chemical Cartridge Respirators for Protection Against Mercury Vapor
296
11/15/1985
Use of Bureau of Mines Approved Gas Mask Canisters
297
03/29/1985
Facial hair and respirator wearing.
298
02/21/1985
Facial hair and the wearing of respirators.
299
11/13/1984
Acceptable respirators for exposure to ethylene oxide; Acceptable respirators for exposure to ethylene oxide.
300
10/11/1984 Facial hair in the face sealing area is unacceptable.
301
10/11/1984 Facial hair in the face sealing area is unacceptable.
302
10/11/1984 Facial hair in the face sealing area is unacceptable.
303
05/14/1984 Medical Interpretation concerning exposure to H2S and respiratory protection with a perforated ear drum.
304
01/18/1984 Workers cannot sign a release so they can wear a respirator with a beard.
305
12/22/1983 Paragraph (a)(2) applies to respirators provided for emergency use.
306
06/15/1983 Biopacks are acceptable for fire brigade use; Biopacks are acceptable as SCBA's and may be used in IDLH atmospheres.
307
05/06/1982
Negative pressure respirators unacceptable for isocyanate paints.
308
02/25/1982 Use of skin diving hood under respirator for bearded employee unacceptable.
309
10/15/1981 Del-Monox air purifiers are unacceptable for testing carbon monoxide concentration for compressor breathing air.
310
07/14/1981 Cool-view welding helmets must meet Grade D breathing air requirements; Requirements for standard welding helmets.
311
01/24/1980
Carbon Monoxide Alarm/Monitoring at Abrasive Blasting Operations.
312
03/06/1979 Respirator air quality standards do not apply where the NRC has jurisdiction
