Preparing a Material Safety Data Sheet under the trade secret provisions of the Hazard Communication Standard.

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 10, 1985

Mr. Ron Roberson
Corporate Industrial Hygienist
Sensidyne Inc.
Gas and Particulate Detection Systems
12345 Starkey Road, Suite E
Largo, Florida 33543

Dear Mr. Roberson:

This is in response to your letter of August 27, requesting an interpretation of the Hazard Communication Standard 29 CFR 1910.1200. Please accept our apology for the delay in responding.

Inspection procedures for the Hazard Communication Standard.

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 2, 1985

Mr. Joseph Byrne
Vice President
Unocal Corporation
1201 West 5th Street
P.O. Box 7600
Los Angeles, California 90051

Dear Mr. Byrne:

This is in response to your letter of November 4, regarding the Occupational Safety and Health Administration's (OSHA) inspection procedures for the Hazard Communication Standard.

Requirement of Carcinogen warning label on textile glass filaments.

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.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 6, 1991

Mr. Anthony J. Thompson
Perkins Coie
607 Fourteenth Street, N.W.
Washington, D.C. 20005-2011

Dear Mr. Thompson:

Requirement to develop MSDSs for pharmaceutical products and controlled substances

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 9, 1991

Ms. Carolyn S. Parker
Senior Contract Administrator
Office of Research Contracts
Research Triangle Institute
Post Office Box 12194
Research Triangle Park, North Carolina 27709-2194

Dear Ms. Parker:

Hazards of Inipol EAP22 used during cleanup of oil spills.

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 23, 2001

Mr. Richard D. Nagel
2302 Lake Griffin Rd.
Lady Lake, FL 32159

Dear Mr. Nagel:

Thank you for your November 12 letter to the Occupational Safety and Health Administration (OSHA). Your letter was forwarded to OSHA's [Office of Health Enforcement (OHE)] for a response. You requested information regarding a substance called "Inipol," which was used during the cleanup of the Exxon Valdez oil spill.

Worker Exposures to Volatile Amines

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 23, 1991

Mr. Michael Munk
CFSI, Environmental Services
26 Pearl Street
Norwalk, Connecticut 06850

Dear Mr. Munk:

Thank you for your letter of July 14, regarding steam humidification systems and application of the Occupational Safety and Health Administration's (OSHA) Hazard Communication Standard (HCS), 29 CFR 1910.1200, to worker exposures to volatile amines emitted from those systems. I apologize for the delay of this response.

Labeling Requirements for Crystalline Silica Products.

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 25, 1991

William B. Bunn, III, M.D., J.D., M.P.H.
Senior Director
Health, Safety & Environment
Manville Sales Corporation
Post Office Box 5108
Denver, Colorado 80217-5108

Dear Dr. Bunn:

Generic MSDSs to cover different products that contain the same chemicals in different proportions.

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, 1985

L. W. Ferdinand, Manager
Loss Control Administration
Cal Gas Corporation
8401 Gerber Road
P. O. Box 28397
Sacramento, California 95828

Dear Mr. Ferdinand:

This is in response to your September 6 inquiry regarding the development of a generic Material Safety Data Sheet (MSDS) for your products. In your correspondence you asked if it would be acceptable to develop one MSDS to cover propane, butane, propylene, and butane/propane mixtures.

There is no requirement for employers to respond to requests for material safety data sheets (MSDS) for old products.

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 25, 1985

Mr. William M. Pallies
Exide Corporation
101 Gibraltar Road
Horsham, Pennsylvania 19044-2373

Dear Mr. Pallies:

This is in response to your letter of September 9, inquiring whether any Occupational Safety and Health Administration (OSHA) requirement places an obligation for employers to respond to requests for material safety data sheets (MSDS) for old products.

Twenty-four hour coverage for emergency telephone numbers.

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, 1985

Mr. Ramon A. Napal
Vice President, Human Resources
Carlisle Syntech Systems
Post Office Box 7000
Carlisle, Pennsylvania 17013

Dear Mr. Napal:

Thank you for your letter of July 26 regarding the hazard Communication Standard (HCS) (29 CFR 1910.1200).