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# Standard Interpretations
1 2012 - 09/14/2012 - Facial Hair Under Seal of Tight-fitting Respirator
2 2012 - 05/14/2012 - Whether the Respiratory Protection standard requires personal air monitoring to identify and evaluate the respiratory hazards in the workplace.
3 2012 - 02/29/2012 - Additional duties of two standby personnel for structural firefighting
4 2011 - 12/27/2011 - Fit testing requirements for respirators used for CBRN protection.
5 2011 - 11/22/2011 - Numerous questions on filtering facepiece/dusk mask respirators.
6 2011 - 10/26/2011 - Fit testing for CBRN respirators.
7 2011 - 08/05/2011 - OSHA's decision not to provide a religious exemption from the respirator standard.
8 2011 - 04/26/2011 - Clarification on the use of smoke escape hoods/masks by area monitors during a building evacuation.
9 2011 - 04/01/2011 - Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus.
10 2010 - 02/03/2010 - Clarification of OSHA's position on preemption precluding state court findings with regard to defective NIOSH-certified respirators.
11 2010 - 01/29/2010 - Definition of a single use and negative pressure respirator
12 2009 - 11/13/2009 - Clarification on equivalent test nebulizer for qualitative fit tests.
13 2009 - 07/14/2009 - Difference between voluntary and non-voluntary use of a respirator.
14 2009 - 06/02/2009 - Maintenance of medical evaluation and fit test records as required by the Respiratory Protection Standard.
15 2008 - 05/01/2008 - Clarification of OSHA denial of FirePASS's variance request and respiratory protection requirements in oxygen-deficient atmospheres.
16 2008 - 03/24/2008 - Tuberculosis and Respiratory Protection Enforcement
17 2007 - 07/23/2007 - Clarification on whether to use quantitative or qualitative fit-testing for full-facepiece PAPRs.
18 2007 - 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.
19 2007 - 04/04/2007 - Performance of user seal checks and whether positive and/or negative seal checks are required when donning a respirator.
20 2007 - 04/02/2007 - Clarification of OSHA's requirement for breathing air to have at least 19.5 percent oxygen content.
21 2007 - 03/19/2007 - Available OSHA data regarding firearms range-related injuries at police academy firearms training facilities.
22 2006 - 02/06/2006 - Facial hair and voluntary use of filtering facepiece respirators.
23 2004 - 10/28/2004 - Requirements for providing medical evaluations prior to wearing respiratory protection for training exercises.
24 2004 - 10/21/2004 - Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality.
25 2004 - 10/18/2004 - Requirements for fit testing employees before fire brigade training exercises.
26 2004 - 07/30/2004 - Tuberculosis and Respiratory Protection.
27 2004 - 07/23/2004 - Respiratory protection program requirements for M. tuberculosis based on risk assessments; applicability of the respirator standard to long-term healthcare facilities.
28 2004 - 03/29/2004 - Fit testing is not required for employees not exposed to a hazardous atmosphere and not required to wear a respirator.
29 2004 - 02/05/2004 - Fit testing requirements for employees who wear respirators to protect against M. Tuberculosis, SARS, Smallpox, and Monkeypox.
30 2003 - 03/07/2003 - Beards may not interfere with face seal;alternative respirators for bearded employees.
31 2003 - 01/13/2003 - Respiratory protection and emergency escape requirements for IDLH atmospheres.
32 2002 - 12/02/2002 - Training and PPE requirements for hospital staff that decontaminate victims/patients.
33 2002 - 09/24/2002 - Respiratory protection, medical surveillance, and training requirements under HAZWOPER.
34 2002 - 09/05/2002 - Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients.
35 2002 - 06/03/2002 - Tuberculosis testing procedures for the home health care industry.
36 2002 - 05/30/2002 - Protection factors for respirators used in pharmaceutical industry: policy change.
37 2001 - 05/03/2001 - Application of 1926.800 to lone employees working underground in a tunnel or shaft connected to a tunnel.
38 1999 - 04/08/1999 - Preemption of respiratory protection standard by DOT's Office of Pipeline Safety regulations.
39 1998 - 12/08/1998 - Enforcement policy for abrasive-blasting respiratory protection under the Lead in Construction Interim Final Rule.
40 1998 - 12/07/1998 - Respiratory protection for anhydrous ammonia storage installations.
41 1998 - 12/02/1998 - Employee declination of medical evaluation; religious exemptions for respirator use.
42 1998 - 10/16/1998 - Conduct of respiratory protection medical evaluations by medical technicians.
43 1998 - 10/16/1998 - Questions and answers regarding the respiratory protection standard.
44 1997 - 10/22/1997 - Conditions where OSHA might accept a product that is not approved by NIOSH.
45 1997 - 05/15/1997 - Permissible Exposure Limits for Nuisance dust.
46 1997 - 03/31/1997 - Additional Enforcement Policy Change for Respiratory Protection Required for Abrasive Blasting.
47 1996 - 10/03/1996 - Inquiry on beards, respirator use, and fit testing of repirators.
48 1996 - 09/11/1996 - Voluntary safety and health audits under the Occupational Safety and Health Act.
49 1996 - 09/04/1996 - Belt mounted filtration unit used with any NIOSH approved supplied-air respirator.
50 1996 - 09/03/1996 - Particulate Respirators Certified under 42 CFR Part 84.
51 1996 - 07/18/1996 - Incipient stage fire brigades.
52 1996 - 05/15/1996 - Variance exposure level for silver metal.
53 1996 - 04/22/1996 - Tuberculosis: respiratory protection and complaint inspection.
54 1996 - 04/18/1996 - The Use of the Bullard "Free Air" Pump.
55 1996 - 04/16/1996 - Job requiring respiratory protection.
56 1996 - 03/04/1996 - Fit testing and fit factors for the N-95 respirators for protection against TB exposure.
57 1996 - 02/05/1996 - The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.
58 1995 - 09/20/1995 - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
59 1995 - 09/06/1995 - Update: OSHA Enforcement Policy for Occupational Exposure to Tuberculosis.
60 1995 - 07/03/1995 - Interpretation of the Personal Protective Equipment standard.
61 1995 - 04/06/1995 - OSHA tuberculosis (TB) enforcement.
62 1995 - 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.
63 1994 - 05/25/1994 - Respirator Exhalation Valve Leakage.
64 1994 - 02/23/1994 - Storage of flammable and/or combustible liquids.
65 1993 - 06/17/1993 - Pulmonary function testing training requirements and spirometer transmission of disease.
66 1993 - 04/14/1993 - Respiratory protection as it relates to oil fields.
67 1992 - 09/01/1992 - South Carolina's regulatory procedures for single-use respirators.
68 1992 - 07/28/1992 - Spray painting relating to vehicle maintenance operations.
69 1991 - 12/02/1991 - Hazwoper training in hospitals.
70 1991 - 08/20/1991 - Training requirements of Hazwoper for various functions.
71 1991 - 06/04/1991 - Training required for emergency response at industrial facilities
72 1991 - 01/29/1991 - The intervals between physical examinations for employees performing interior structural firefighting.
73 1990 - 06/13/1990 - Ventilation for an anhydrous ammonia refrigeration system.
74 1990 - 06/11/1990 - Respirator rules as applied to open hatch gauging of sour crude oil storage tanks.
75 1990 - 01/10/1990 - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
76 1989 - 06/27/1989 - Sampling Procedures for Employees Using Air-Supplied Respirators
77 1989 - 04/25/1989 - Respiratory protection requirements for sour crude oil tank operations.
78 1989 - 03/01/1989 - Respiratory Protection for Mercury and Chlorine
79 1987 - 09/15/1987 - Respiratory protection compliance responsibility for contract workers and visitors.
80 1987 - 04/07/1987 - Use of eyeglass inserts or spectacle kits inside respirator full facepieces.
81 1987 - 03/24/1987 - Acceptance of closed-circuit self-contained breathing apparatus for firefighting.
82 1986 - 04/21/1986 - The M-17 gas mask may not be used by workers other than enlisted military personnel.
83 1986 - 01/17/1986 - Standard for exposure to tetrahydrofuran; Respirators may be worn only if engineering and administrative controls are not feasible.
84 1985 - 11/19/1985 - Application of the Hazard Communication standard to gray and ductile iron castings.
85 1985 - 11/15/1985 - Use of Bureau of Mines Approved Gas Mask Canisters
86 1985 - 03/29/1985 - Facial hair and respirator wearing.
87 1985 - 02/21/1985 - Facial hair and the wearing of respirators.
88 1984 - 11/13/1984 - Acceptable respirators for exposure to ethylene oxide; Acceptable respirators for exposure to ethylene oxide.
89 1980 - 01/24/1980 - Carbon Monoxide Alarm/Monitoring at Abrasive Blasting Operations.

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