Recalculating pressure vessel design; codes "no longer in use."
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 5, 1998
Mr.Wilfred B. Barry, P.E., P.L.S., President
SJB Group, Incorporated
P.O. Box 1751
Baton Rouge, LA 70821-1751
Dear Mr. Barry:
Your letter to OSHA's Directorate of Safety and Health Standards related to questions about OSHA's Process Safety Management of Highly Hazardous Chemicals (PSM), 29 CFR 1910.119, was forward to my office. Specifically, your questions are related to the process safety information (PSI) element, 29 CFR 1910.119(d). We apologize for the delay in our response.