Enforcement of the Welding Fume PEL.

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.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 8, 1991

 

MEMORANDUM FOR:          LINDA R. ANKU
                         REGIONAL ADMINISTRATOR

FROM:                    PATRICIA K. CLARK, DIRECTOR
                         DIRECTORATE OF COMPLIANCE PROGRAMS

SUBJECT:                 Enforcement of the Welding Fume PEL

 

This is in response to your memorandum of May 31, in which you requested clarification regarding the applicability of the welding fume PEL versus the iron oxide PEL.

Clarification of requirements for storage and use of flammable and/or combustible liquids.

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.

 

 

OSHA's current permissible exposure limit (PEL) for occupational exposure to hexavalent chromium in general industry.

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.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

April 19, 1995

R. J. Barnhart, Ph.D.
American Chrome and Chemicals Inc.
3800 Buddy Lawrence Drive
Post Office Box 9912
Corpus Christi, Texas 78469

Dear Dr. Barnhart:

You requested clarification of OSHA's current permissible exposure limit (PEL) for occupational exposure to hexavalent chromium in general industry.

Application of OSHA PEL for nitric oxide as 8-hr TWA to pregnant employees.

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.

 

Explanation of OSHA's determination of the PEL for amorphous silica.

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.

 

 

OSHA requirements for mercury response and clean-up personnel in a number of different site-specific scenarios.

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.

January 25, 2010

Mr. Joel Hogue
Environmental Services & Consulting, Inc.
116 West Mohawk Drive
Powell, OH 43065

Dear Mr. Hogue:

Thank you for your April 23, 2009 letter to the Cleveland Area Office of the Occupational Safety and Health Administration (OSHA). Your letter has been referred to OSHA's Directorate of Enforcement Programs.

OSHA's position on employer performing additional air monitoring that exceeds OSHA requirements.

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 16, 2008

Mr. Michael Shaw
Executive Vice President
Interscan Corporation
East Coast/Government Affairs Office
11654 Plaza America Drive #632
Reston, Virginia 20190-4700

Dear Mr. Shaw:

Clarification on the applicability of the Hazard Communication standard DEF tank 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.

December 20, 2011

Mr. LaMont Byrd
Director,
Safety and Health Department International Brotherhood of Teamsters
25 Louisiana Avenue, NW
Washington DC 20001

Dear Mr. Byrd:

PEL for cotton dust when exposure is from cotton fibers used in the manufacture of absorbent glass tubes.

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.

January 18, 2012

Mr. Jesse Mills, PE
Mills Engineering
1361-E East Garrison Blvd.
Gastonia, NC 28054

Use of IOM sampler for inhalable dust.

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.

November 8, 2011

Ms. Deborah Dietrich
Mr. Saulius Trakumas
SKC, Inc.
863 Valley View Road
Eighty Four, PA 15330

Dear Ms. Dietrich and Mr. Trakumas: