Storage of pre-charged air conditioners and heat pumps in warehouses or distribution centers

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 6, 2024

Allison Skidd
Sr. Manager, Global Regulatory Affairs
Rheem Manufacturing Company
1100 Abernathy, Ste. 1400
Atlanta, GA 30328

Dear Allison Skidd:

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:

Production facilities that recover natural gas liquids may have enforceable PSM-covered processes

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 19, 2018

Mr. Darren J. Hunter
Rooney, Ripple & Ratnaswamy, LLP
Kingsbury Center, Suite 600
350 W. Hubbard St.
Chicago, IL 60654

Dear Mr. Hunter:

PSM and Aerosol (Flammable Gas) Containers Stored in Warehouses/Distribution Centers

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 28, 2019

Mr. Anthony M. Ordile, P.E.
Principal Engineer – Level II
Hanes Fire & Risk Consulting Corporation
1 Linda Lane; Suite B
Southampton, New Jersey 08088

Dear Mr. Ordile:

Application of Process Safety Management of Highly Hazardous Chemicals to the manufacture of explosives and pyrotechnics.

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 15, 1992

Mr. Ronald V. Ludlow
Corporate Manager
Industrial Hygiene Affairs
Thiokol Corporation
2475 Washington Boulevard
Ogden, Utah 84401-2398

Dear Mr. Ludlow:

Thank you for your letter of March 5, addressed to Acting Assistant Secretary Dorothy Strunk, concerning the application of the Occupational Safety and Health Administration's (OSHA) standard, "Process Safety Management of Highly Hazardous Chemicals" with respect to the manufacture of explosives and pyrotechnics.

PSM applicability to a 50% Solution of Hydroxylamine.

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.

April 30, 1999

PSM coverage of oil and gas production and separation facilities.

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.

November 4, 1999

PSM coverage of oil and gas production and separation facilities.

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 20, 1999

Process Safety Management (PSM) applicability to liquid petroleum gas (LPG) bottle filling 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.

 

 

OSHA will not enforce the PSM standard at oil and gas production facilities.

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 11, 2000