National Emphasis Program – Crystalline Silica

  • Record Type:
  • Current Directive Number:
  • Old Directive Number:
  • Title:
  • Information Date:
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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

This is an OSHA ARCHIVE Document, and may no longer represents OSHA policy. This document is presented here in PDF as historical content, for research and review purposes only.

 

 

Standards Improvement Project-Phase II

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    70:1111-1144
  • Title:
    Standards Improvement Project-Phase II 
[Federal Register Volume 70, Number 3 (Wednesday, January 5, 2005)]
[Rules and Regulations]
[Pages 1111-1144]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 04-28221]


-----------------------------------------------------------------------

Part V





Department of Labor





-----------------------------------------------------------------------



Occupational Safety and Health Administration



-----------------------------------------------------------------------



29 CFR Parts 1910, 1915, and 1926



Standards Improvement Project-

Nuisance dust standard applies to grain dust exposures.

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.

October 4, 1983

Mr. Edward A. Nierengarten
Nierengarten Law Offices, Ltd.
P. O. Box 214
New Ulm, Minnesota 56073

Dear Mr. Nierengarten:

Thank you for your letter of September 1, 1983, regarding standards dealing with grain dust.

Regulating employee exposure to wood 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.

June 6, 1989

Mr. Franklin T. Lassiter
Executive Director
Kentucky Forest Industries Association
310 Kings Daughters Drive, #7
Frankfort, Kentucky 40601

Dear Mr. Lassiter:

This is in further response to your letter dated February 27 to Senator McConnell concerning regulating employee exposure to wood dust.

Standard for exposure to tetrahydrofuran; Respirators may be worn only if engineering and administrative controls are not feasible.

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 17, 1986

The Honorable John W. Warner
United States Senator
805 Federal Building
200 Granby Mall
Norfolk, Virginia 23510

Dear Senator Warner:

General overview of safe handling of arsenic containing compounds.

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.

Jun 3, 1985

Honorable Charles Wilson
Member, United States House of Representatives
Room 201
701 North First Street
Lufkin, Texas 75901

Dear Congressman Wilson:

Your letter dated April 4, to Mr. Bill Prendergast, has been referred to the Occupational Safety and Health Administration (OSHA) for reply to your constituents' requests for information about copper acetoarsenite.

Request for a regulatory clarification concerning commercial carbon black.

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.

February 21, 1989

Mr. Marshall Lee Miller
Bishop, Cook, Purcell and Reynolds
Law Offices
1400 L Street, N.W.
Washington, D.C. 20005-3502

Dear Mr. Miller:

This letter is in response to your January 12, letter to the Occupational Safety and Health Administration (OSHA). In your letter you ask that OSHA consider a regulatory clarification concerning commercial carbon black.

Metal cyclones Supplied by SKC Inc. are not to be used for sampling respirable 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.

February 21, 1989

The chromic acid and chromates standard is an 8-hour TWA, not a ceiling.

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.

August 30, 1982

Mr. Dennis Averill
Safety and Industrial Hygiene
Department American Cyanamid Company
Bloomingdale Plant
Havre de Grace, Maryland 21078

Dear Mr. Averill:

Thank you for your letter of July 30, 1982, in which you requested clarification and documentation of the Occupational Safety and Health Administration's (OSHA) Permissible Exposure Limit (PEL) for chromates.

Advertisement on cleaning up mercury spills from glass thermometers

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 10, 1987

Mr. William Rudrud
Product Manager
Pymah Corporation
P.O. Box 1114, 89 Rt. 206
Somerville, New Jersey 08876

Dear Mr. Rudrud:

A copy of your direct-mail advertisement for Tempa-DOT Single Use Thermometers which you sent to a school nurse in Connecticut, was forwarded to the Occupational Safety and Health Administration (OSHA), from the Connecticut Department of Health Services, for our response.