Exposures to polychlorinated biphenyls (PCB's) in lighting equipment.

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 11, 1993

The Office of Senator Phil Gramm
Attn: Ms. Trish Flynn
2323 Bryan, Suite 1500
Dallas, TX 75201

Dear Ms. Flynn:

This is in response to your correspondence of December 3, 1992 on behalf of your constituent, Dan Bigler, regarding exposures to polychlorinated biphenyls (PCB's) in lighting equipment.

OSHA's regulations for chemicals used in the workplace, and in particular, glutaraldehyde.

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 15, 1997

[Name Withheld]

Dear [Name Withheld]:

Your letter dated January 27, along with the letters of twelve other workers that you attached and sent to President Clinton, has been forwarded to this office for a response. The purpose of this letter is to provide you with an update of the Occupational Safety and Health Administration's (OSHA) regulations and proposed regulations for chemicals used in the workplace, and in particular, glutaraldehyde. Please accept our apology for the delay in our response.

Permissible Exposure Limits for Nuisance 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.

May 15, 1997

Mr. Michael A. Russo
President
Glass, Molders, Pottery, Plastics
& Allied Workers International Union
Local Union #77
890 Third Street
Albany, New York 12206

Dear Mr. Russo:

This letter is in response to your March 11 letter expressing disagreement with the Occupational Safety and Health Administration (OSHA) New York Regional Office's response to your respirator questions. However, we concur with Mr. Shapiro's response.

An error in the 1910.1000 Z-Tables.

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 1, 1995

MEMORANDUM FOR:  ADAM FINKLE, DIRECTOR
                DIRECTORATE OF HEALTH STANDARDS PROGRAMS

FROM:            RUTH McMCULLY, DIRECTOR
                OFFICE OF HEALTH COMPLIANCE ASSISTANCE

SUBJECT:         An error in the 1910.1000 Z-Tables

The Office of Technical Support in Region VII recently brought to our attention possible error in Table Z-3 of the 1910.1000 Z Tables. In Table Z-3 of the 1994 CFR (attached) the formula for the Coal Dust PEL with less than 5% quartz is:

2.4 mg/m(3) ----------- %SiO(2) + 2

Request for a list of all OSHA-regulated air contaminants.

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 22, 1995

The Honorable Eni F.H. Faleomavaega
U.S. House of Representatives
Washington, D.C. 20515

Dear Congressman Faleomavaega:

This is in response to your request to the Occupational Safety and Health Administration (OSHA) for a list of all OSHA-regulated air contaminants.

Regulations For Cotton Waste 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.

May 10, 1991

MEMORANDUM FOR:     R. DAVIS LAYNE
                   REGIONAL ADMINISTRATOR

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

THROUGH:            LEO CAREY, DIRECTOR 
                   OFFICE OF FIELD COORDINATION

Subject:            Regulations For Cotton Waste Operations

This is in response to your memorandum of February 11, requesting that the permissible exposure limits (PELs) and the parts of cotton dust standard (29 CFR 1910.1043) applying to cotton waste operations be clarified.

Occupational Safety and Health Administration's (OSHA) regulations for ozone.

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 29, 1994

[Name Withheld]

Dear [Name Withheld]:

This is in further response to your letter of July 26, concerning the Occupational Safety and Health Administration's (OSHA) regulations for ozone. Please accept our apology for the delay in this response.

Railroad workers and their exposure to crystalline 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.

August 20, 1996

Mr. Richard N. Shapiro
Wilson, Hajek & Shapiro, P.C.
Attorneys At Law
1294 Diamond Springs Road
Post Office Box 5369
Virginia Beach, Virginia 23455

Dear Mr. Shapiro:

Variance exposure level for silver metal.

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 15, 1996

Ms. Maureen S. Smith
Vice President, Human Resources
Yardney Technical Products, Inc.
82 Mechanic Street
Pawcatuck, Connecticut 06379

Dear Ms. Smith:

Special emphasis program for silicosis.

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 27, 1998

The Honorable Virgil H. Goode
U. S. House of Representatives
Washington, D.C. 20515-4605

Dear Congressman Goode:

Thank you for your correspondence of October 27, 1997, requesting information on the status of the Special Emphasis Program (SEP) for Silicosis. Please accept my apology for the delay in this response.