Chest X-ray and sputum cytology 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.

August 19, 1996

William B. Patterson, M.D., M.P.H.
New England Health Center
66B Concord Street
Wilmington, MA 01887

Dear Dr. Patterson:

Gloves are required for employees handling chloropicrin; Arsenic containing pesticides and wood preservatives are not within the scope of the inorganic arsenic 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.

Jun 26, 1985

MEMORANDUM FOR:      James W. Lake
                     Regional Administrator

FROM:                John B. Miles, Jr., Director
                     Directorate of Field Operations

Subject:             Jurisdiction for Pesticide Health Hazards

This is in response to your memorandum of May 15 requesting clarification of which Federal agency has jurisdiction over pesticide application.

Applicability of the inorganic arsenic standard to operations involving chromated copper arsenate (CCA) wood preservative.

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 6, 1978

Lawrence D. Kornreich, Ph.D.
Environmental Health Associate
ITT World Headquarters
320 Park Avenue
New York, New York 10022

Dear Dr. Kornreich:

This is in response to your letter concerning the applicability of the standard for occupational exposure to inorganic arsenic to operations involving chromated copper arsenate (CCA) wood preservative. Please accept my apology for the delayed response.

The inorganic arsenic standard applies to the manufacture of antimony oxide by the fuming process.

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 5, 1978

Mr. Glenn T. Carninev
TSCA Coordinator
McGean Chemical Company, Inc.
1250 Terminal Tower
Cleveland, Ohio 44113

Dear Mr. Carnine:

This is in response to your letter to Mr. Gail Brinkerhoff in which you state your view about the applicability of 29 CFR 1910.1018 (the standard for occupational exposure to inorganic arsenic, published in the Federal Register on May 5, 1978) to the manufacture of antimony oxide by the fuming process. Please accept my apology for the delay.

8-hour total weight average (TWA) permissible exposure limit (PEL).

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 6, 1995

Mr. Mark Nicas
University of California
Environmental Health Sciences
School of Public Health
140 Warren Hall
Berkeley, California 94720-7360

Dear Mr. Nicas:

This is in response to your letter of July 7, addressed to Mr. Joseph A. Dear, Assistant Secretary for the Occupational Safety and Health Administration (OSHA), requesting an interpretation on 8-hour total weight average (TWA) permissible exposure limit (PEL) as defined in 29 CFR 1910.1000 and in other substance-specific health standards.

Chemical manufacturer's responsibility with regard to inorganic arsenic under OSHA's 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.