Entry into a confined space when the lower flammable limit is greater than ten percent.

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.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

September 4, 1996

Mr. Macon Jones
Blasting Cleaning Products LTD.
2180 Speers Road
Oakville, Ontario
Canada L6L2X8

Dear Mr. Jones:

This is response to your request of April 10, requesting clarification of the 29 CFR 1910.146 standard. Please accept our apology for the delay. Responses to your questions follow:

Tuberculosis and Respiratory Protection: prohibition of enforcing annual fit testing requirements during 2005 fiscal year; enforcement of other 1910.134 provisions.

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.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

December 22, 2004

 

 

Respiratory protection requirements for sour crude oil 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.

April 25, 1989

Issuance of and paying for Personal Protective Equipment.

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.

December 9, 1996

Mr. Barry Bridges
Vice President of Resources
Sanders Brothers, Incorporated
P.O. Box 188
Gaffney, South Carolina 29342

Dear Mr. Bridges:

Carbon Monoxide Alarm/Monitoring at Abrasive Blasting 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.

January 24, 1980

Sampling Procedures for Employees Using Air-Supplied Respirators

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 27, 1989

 

 

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:

Facial hair and respirator wearing.

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.

March 29, 1985

Mr. Kenneth R. Thorson
278 Belleville Turnpike
Kearny, New Jersey 07032

Dear Mr. Thorson:

This is in response to your letter of February 10, 1985, concerning questions on facial hair and respirator wearing.

Answers to your questions are as follows: (Note: The numbered paragraphs below correspond to the numbers of your questions. There was no question III.)

Respiratory Protection for Mercury and Chlorine

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.

March 1, 1989

Mr. Jay A. Parker
Glendale Protective Technologies, Inc.
130 Crossways Park Drive
Woodbury, New York 11797

Dear Mr. Parker:

This is in response to your letter of November 4, 1988 concerning respiratory protection for mercury and chlorine.

Respiratory protection compliance responsibility for contract workers and visitors.

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 15, 1987

Mr. Henry P. Leweling
Manager, Regulatory Affairs
Premark International, Inc.
1717 Deerfield Road
Deerfield, Illinois 60015

Dear Mr. Leweling:

This is the followup to our interim response to your letter of July 28, concerning the standard for respiratory protection, 29 CFR 1910.134.