US Dept of Labor

Occupational Safety & Health AdministrationWe Can Help

# Directives
1 1978 - 10/30/1978 - CPL 02-02-006 [CPL 2-2.6] - Inorganic Mercury and its Compounds
# Federal Registers
1 2014 - 10/10/2014 - Chemical Management and Permissible Exposure Limits (PELs) - 79:61383-61438
2 2013 - 09/12/2013 - Occupational Exposure to Respirable Crystalline Silica; Proposed Rule - 78: 56273-56504
3 2004 - 03/01/2004 - Changes to State Plans: Approval of Oregon State Standards - 69:9643-9647
4 2001 - 01/18/2001 - Occupational Exposure to Bloodborne Pathogens;Needlestick and Other Sharps Injuries; Final Rule. - 66:5317-5325
5 2000 - 12/07/2000 - Occupational Exposure to Cotton Dust - 65:76563-76567
6 2000 - 12/07/2000 - Occupational Exposure to Cotton Dust - 65:76598-76600
7 1999 - 01/04/1999 - Washington State Standards; Notice of Approval. - 64:184-186
8 1998 - 06/23/1998 - Notice of Public Meeting on Review of the Cotton Dust Standard. - 63:34140-34141
9 1997 - 12/18/1997 - Methylene Chloride; Partial Stay - 62:66275-66277
10 1997 - 07/23/1997 - New Mexico State Standards; Notice of Approval - 62:39551-39553
11 1997 - 04/25/1997 - Unified Agenda - 62:21934-21939
12 1996 - 01/24/1996 - Updating Permissible Exposure Limits (PELS) for Air Contaminants; Meeting - 61:1947-1950
13 1993 - 07/27/1993 - Air Contaminants Correction - 58:40191
14 1993 - 06/30/1993 - Air Contaminants - 58:35338-35351
15 1992 - 11/27/1992 - Request for public comment on Washington State Standards - 57:56378
16 1992 - 09/14/1992 - Occupational exposure to Cadmium - 57:42388
17 1990 - 12/24/1990 - Interpretation of Final Rule on Air Contaminants Applicable to Grain Dust, Starch, Sucrose, and Particulates not Otherwise Regulated Exposure Limits for the Grain Handling Industry. - 55:52840
18 1990 - 11/08/1990 - Grant of Partial Stay for Final Rule on Nitroglycerin - 55:46948
19 1990 - 06/11/1990 - Survey of Medical Surveillance Programs; OMB Information Collection Clearance - 55:23599-23619
20 1990 - 06/08/1990 - Correction to Preamble of Air Contaminants Standard; Carbon Disulfide; Tasks for Which Respirators May be Worn to Achieve Compliance - 55:23433-34
21 1990 - 05/09/1990 - Air Contaminants; Grant of Petition for Reconsideration and Stays for Ethylene Glycol Dinitrate and Nitroglycerin - 55:19258-59
22 1990 - 04/06/1990 - Air Contaminants Final Rule; Partial Stay of Effective Date for Nitroglycerin and Ethylene Glycol Dinitrate; Explosives Industry - 55:12818-19
23 1990 - 03/07/1990 - Exposure to Toxic Substances; Air Contaminants; Respiratory Protection; Notice of Informal Public Hearing - 55:8152-54
24 1990 - 02/13/1990 - Occupational Exposure to Lead; Correction to rule document - 55:5118
25 1990 - 02/06/1990 - Occupational Exposure to Cadmium; Proposed rule and notice of hearing - 55:4052-4146
26 1990 - 01/05/1990 - Survey of Occupational Exposure to Air Contaminants in Construction - 55:502-517
27 1989 - 12/06/1989 - Air Contaminants; Nitroglycerin; Ethylene Glycol Dinitrate;Explosives Industry; Partial Stay - 54:50372
28 1989 - 11/15/1989 - Final Rule Correction; Air Contaminants; Iron Oxide - 54:47513
29 1989 - 10/06/1989 - Air Contaminants; Nitroglycerin; Ethylene glycol dinitrate;Explosives Industry; Final Rule - 54:41243-41244
30 1989 - 09/05/1989 - Air Contaminants; Acetone; Calcium Hydroxide; Nitroglycerin; Ethylene Glycol Dinitrate; Perchloroethylene - 54:36765-68
31 1989 - 07/05/1989 - Air Contaminants, Final Rule; Corrections - 54:28154
32 1989 - 06/05/1989 - Health Standards; Methods of Compliance - 54:23991-8
33 1989 - 04/13/1989 - Air Contaminants; Corrections - 54:14909-13
34 1989 - 03/28/1989 - Air Contaminants- Guide and Bibliography - 54:12792-868
35 1989 - 01/19/1989 - Air Contaminants - 54:2332-2983
36 1988 - 09/07/1988 - Air Contaminants - 53:34708-34709
37 1988 - 07/01/1988 - Air Contaminants; Correction - 53:24956
38 1988 - 06/07/1988 - Air Contaminants - 53:20960-21393
39 1987 - 12/04/1987 - Formaldehyde - 52:46168-312
40 1987 - 11/24/1987 - Formaldehyde - 52:44996
41 1986 - 12/12/1986 - Formaldehyde - 51:44796-98
42 1986 - 11/24/1986 - Methylene Chloride - 51:42257-66
43 1986 - 10/01/1986 - Butadiene, 1,3- - 51:35003-09
44 1986 - 04/11/1986 - Butadiene, 1,3- - 51:12526-29
45 1986 - 03/05/1986 - Formaldehyde - 51:7584
46 1985 - 12/27/1985 - Butadiene, 1,3- - 50:52952-55
47 1985 - 12/10/1985 - Formaldehyde - 50:50412-99
48 1985 - 04/17/1985 - Formaldehyde - 50:15179
49 1985 - 01/11/1985 - Formaldehyde - 50:1547-49
50 1984 - 06/22/1984 - Occupational Exposure to Ethylene Oxide; Final Standard - 49:25734
51 1984 - 04/04/1984 - Occupational Exposure to 1,3-Butadiene - 49:13380
52 1984 - 01/05/1984 - Occupational Exposure to 1,3-Butadiene; Request for information - 49:844
53 1983 - 12/20/1983 - Ethylene Dibromide - 48:56243
54 1983 - 10/07/1983 - Air Contaminants - 48:45956-6003
55 1983 - 09/20/1983 - Methylenedianiline, 4,4'- - 48:42836
56 1983 - 04/21/1983 - Air Contaminants - 48:17309
57 1983 - 02/22/1983 - Air Contaminants - 48:7473-6
58 1981 - 06/19/1981 - Air Contaminants - 46:32022
59 1979 - 07/17/1979 - Air Contaminants - 44:41427-8
60 1979 - 02/06/1979 - Chlorine - 44:71401
61 1978 - 12/08/1978 - Air Contaminants - 43:57601-03
62 1978 - 10/03/1978 - Air Contaminants - 43:45762-819
63 1978 - 05/05/1978 - Air Contaminants - 43:19624
64 1978 - 02/10/1978 - Air Contaminants - 43:5963
65 1978 - 01/17/1978 - Air Contaminants - 43:2600
66 1977 - 05/03/1977 - Air Contaminants - 42:22516
67 1975 - 06/03/1975 - Air Contaminants - 40:23847
68 1974 - 04/05/1974 - Air Contaminants - 39:12342
69 1972 - 06/07/1972 - Air Contaminants - 37:11318
70 1971 - 12/07/1971 - Air Contaminants - 36:23207
# Standard Interpretations
1 2014 - 02/21/2014 - Field extraction procedure for isocyanate air samples
2 2012 - 01/18/2012 - PEL for cotton dust when exposure is from cotton fibers used in the manufacture of absorbent glass tubes.
3 2011 - 12/20/2011 - Clarification on the applicability of the Hazard Communication standard DEF tank operations.
4 2011 - 11/08/2011 - Use of IOM sampler for inhalable dust.
5 2010 - 01/25/2010 - OSHA requirements for mercury response and clean-up personnel in a number of different site-specific scenarios.
6 2009 - 05/19/2009 - Application of OSHA PEL for nitric oxide as 8-hr TWA to pregnant employees.
7 2008 - 09/16/2008 - OSHA's position on employer performing additional air monitoring that exceeds OSHA requirements.
8 2007 - 12/26/2007 - Clarification of requirements for storage and use of flammable and/or combustible liquids.
9 2007 - 03/22/2007 - Explanation of OSHA's determination of the PEL for amorphous silica.
10 2005 - 04/04/2005 - Potential health hazards from exposures to ammonia and EMF radiation from hair dryers for beauty salon workers.
11 2003 - 06/05/2003 - Employer's responsibility to protect employees from workplace hazards through appropriate hazard control methods.
12 2003 - 02/24/2003 - Reiteration of Existing OSHA Policy on Indoor Air Quality: Office Temperature/Humidity and Environmental Tobacco Smoke.
13 2003 - 01/24/2003 - Enforcement Policy for Respiratory Hazards Not Covered by OSHA Permissible Exposure Limits.
14 2003 - 01/24/2003 - Use of occupational exposure levels (OELs) for substances not covered by an OSHA Permissible Exposure Limit (PEL).
15 2002 - 08/08/2002 - Applicable OSHA standards and safety considerations for microwave device use in a laboratory.
16 2002 - 06/24/2002 - Hierarchy of controls for exposure to air contaminants.
17 2001 - 10/22/2001 - Clarification of minimum face velocity requirements for spray booths.
18 1999 - 04/01/1999 - Appropriate air sampling methods for copper and zinc oxide.
19 1998 - 11/13/1998 - Exposure limits and symptoms of Hydroquinone, acetic acid, and glutaraldehyde exposure.
20 1998 - 10/26/1998 - Worker exposure to tobacco smoke.
21 1998 - 03/27/1998 - Special emphasis program for silicosis.
22 1997 - 05/15/1997 - OSHA's regulations for chemicals used in the workplace, and in particular, glutaraldehyde.
23 1997 - 05/15/1997 - Permissible Exposure Limits for Nuisance dust.
24 1996 - 08/20/1996 - Railroad workers and their exposure to crystalline silica.
25 1996 - 05/15/1996 - Variance exposure level for silver metal.
26 1995 - 10/06/1995 - 8-hour total weight average (TWA) permissible exposure limit (PEL).
27 1995 - 09/28/1995 - The appropriate method for assessing hydrogen sulfide peak exposure levels.
28 1995 - 05/01/1995 - An error in the 1910.1000 Z-Tables.
29 1995 - 03/22/1995 - Request for a list of all OSHA-regulated air contaminants.
30 1994 - 09/29/1994 - Occupational Safety and Health Administration's (OSHA) regulations for ozone.
31 1994 - 04/27/1994 - Occupational health hazards to veterinarians.
32 1993 - 08/05/1993 - Compliance and Enforcement Activities affected by the PELs Decision.
33 1993 - 04/22/1993 - Wood dust sampling.
34 1993 - 03/11/1993 - Exposures to polychlorinated biphenyls (PCB's) in lighting equipment.
35 1992 - 07/28/1992 - Spray painting relating to vehicle maintenance operations.
36 1991 - 05/10/1991 - Regulations For Cotton Waste Operations.
37 1991 - 04/08/1991 - Enforcement of the Chromate and Chromic Acid PEL
38 1990 - 06/13/1990 - Ventilation for an anhydrous ammonia refrigeration system.
39 1989 - 06/06/1989 - Regulating employee exposure to wood dust.
40 1989 - 02/21/1989 - Metal cyclones Supplied by SKC Inc. are not to be used for sampling respirable dust.
41 1989 - 02/21/1989 - Request for a regulatory clarification concerning commercial carbon black.
42 1988 - 03/29/1988 - Response to Freedom of Information Act request for standards and guidelines related to working around aircraft.
43 1988 - 03/03/1988 - Inquiry on monitoring device for cigarette smoke in buildings.
44 1988 - 02/25/1988 - Response to a request for information concerning the OSHA standard for carbon monoxide.
45 1988 - 02/11/1988 - Information on the health hazard of ozone produced by common office copiers and on radon gas testing devices.
46 1987 - 07/10/1987 - Advertisement on cleaning up mercury spills from glass thermometers.
47 1986 - 04/07/1986 - Benzo(a)pyrene regulated with coal tar pitch volatiles.; Response to request for information on benzo(a)pyrene.
48 1986 - 01/17/1986 - Standard for exposure to tetrahydrofuran; Respirators may be worn only if engineering and administrative controls are not feasible.
49 1985 - 06/21/1985 - OSHA standards do not include surface contamination criteria or quantifications for skin absorption.
50 1985 - 06/03/1985 - General overview of safe handling of arsenic containing compounds.
51 1984 - 10/10/1984 - Information on hazards of dry photocopiers
52 1983 - 10/04/1983 - Nuisance dust standard applies to grain dust exposures.
53 1983 - 05/31/1983 - Hazardous exposures to pesticides may be cited under the general duty clause.
54 1983 - 04/08/1983 - Petroleum asphalt removed from coverage under the Coal Tar Pitch Volatiles Standard.
55 1983 - 01/24/1983 - Status and applicability of Thiram standards in Washington and Oregon.
56 1976 - 06/30/1976 - Allowable Airborne Concentrations of Mercury.
# Regulations (Standards - 29 CFR)
1 1910.1000 - Air contaminants.
# State Adoption Summary
1 Interlinked Information on State Plan Standards and Policies/Directives | Standard Summary Report Assigned Protection Factors for Respiratory Protection
2 State Plans - Interlinked Information on State Plan Standards and Policies/Directives | Standard Summary Report Occupational Exposure to Hexavalent Chromium

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