Ventilation for an anhydrous ammonia refrigeration system.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

June 13, 1990

Benzo(a)pyrene regulated with coal tar pitch volatiles.; Response to request for information on benzo(a)pyrene.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

April 7, 1986

Mr. William T. Ayers
2300 28th Street
San Francisco, California 94116

Dear Mr. Ayers:

This is in response to your recent request for information on benzo(a)pyrene (BaP). The answers to your questions are as follows:

(1) Is it a known carcinogen in man?

Hazardous exposures to pesticides may be cited under the general duty clause.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

May 31, 1983

Mr. Robert F. Harbrant
President
Food and Beverage Trades
Department AFL-CIO
815 Sixteenth Street, N.W.
Washington, D.C. 20006

Dear Mr. Harbrant:

This is in response to your letter of April 12, 1983, requesting an update on the OSHA compliance policy with regard to pesticides in grain elevators and mills. Please accept our apology for the delay in response.

Wood dust sampling

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

April 22, 1993

Gregory R. Wagner, M.D.
Centers for Disease Control
National Institute for Occupational
Safety and Health-ALOSH
944 Chestnut Ridge Road
Morgantown, WV 26505-2888

Dear Dr. Wagner,

Compliance and Enforcement Activities affected by the PELs Decision.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 5, 1993

 

 

Mass concentration standard for amorphous silica originally listed incorrectly.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 14, 1975

MEMORANDUM FOR: DAVID H. RHONE
                Assistant Regional Director,
                Philadelphia

FROM:           BARRY J. WHITE 
                Associate Assistant Secretary for
                Regional Programs

SUBJECT:        Mass Concentration Standard for Amorphous Silica

This is in response to your memorandum of April 29, 1975.

Enforcement of the Chromate and Chromic Acid PEL

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

 


DATE: April 8, 1991

 

 

 

Spray painting relating to vehicle maintenance operations.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 28, 1992

Mr. Darrell K. Mattheis
Organization Resources Counselors, Inc.
1910 Sunderland Place, N.W.
Washington, D.C. 20036

Dear Mr. Mattheis:

This is in further response to your letter of January 23 to Patricia K. Clark, Director, Directorate of Compliance Programs, requesting interpretations of the Occupational Safety and Health standard for spray painting under 29 CFR 1910.107(n), relating to vehicle maintenance operations. Please accept our apologies for the delay in responding.

Occupational health hazards to veterinarians.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

April 27, 1994

 

 

The appropriate method for assessing hydrogen sulfide peak exposure levels

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

September 28, 1995

Mr. Robert J. Smith
Vice President, Operations
Courtaulds Fibers, Inc.
Post Office Box 141
Axis, Alabama 36505

Dear Mr. Smith:

This is in response to your letter of August 1, to Lana Graves, Area Director of the Occupational Safety and Health Administration's (OSHA) Mobile Area Office. That letter was forwarded to our office for response. In that letter, you requested the appropriate method for assessing hydrogen sulfide peak exposure levels.