OSHA PSM and Explosives Standards as They Relate to the DOT Classification "Not in the Explosive Class"

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 17, 2021

Mr. Timothy S. Dillon
EHS Staff Manager
Pacific Scientific, Chandler Operations
Pacific Scientific EMC
7073 W. Willis Rd.
Chandler, AZ 85226

Dear Mr. Dillon:

Applicability of PSM standard to explosive and pyrotechnic manufacturing.

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 4, 1998

Mr. Frank A. White, Vice President
Organization Resources Counselors, Inc.
1910 Sunderland Place, N.W.
Washington, DC 20036

Dear Mr. White:

The following is a response to your letter dated December 23, 1996, related to various activities involving explosives and whether the activities are covered by OSHA's Process Safety Management of Highly Hazardous Chemicals; Explosives and Blasting Agents Standard (PSM) (29 CFR 1910.119). We apologize for the delay in responding to your request.