1. Occupational Safety & Health Standards Board

Process Safety Management for Petroleum Refineries

  • GENERAL INDUSTRY SAFETY ORDERS,
    Section 5189.1
Status
Public hearing: Jan. 15, 2026
45-day comment period: Nov. 28, 2025 - Jan. 15, 2026
15-day Notice comment period:
2nd 15-day Notice comment period:
Filed with Secretary of State:
Effective date:

Rulemaking Documents

  1. Bureau of Labor Statistics, Employer Cost of Employee Compensation, Table 7, Pacific Region, News Release Tables (XLSX table), Sept. 2024. https://www.bls.gov/ecec/tables.htm.
  2. Bureau of Labor Statistics, California Occupational Employment and Wage Estimates, May 2023. https://www.bls.gov/oes/current/oes_ca.htm#tophttps://www.bls.gov/oes/current/oes_ca.htm#top (downloadable XLS file).
  3. Process Safety Management for Petroleum Refineries, Title 8, New Section 5189.1 of the General Industry Safety Orders, Initial Statement of Reasons (2016)
  4. Process Safety Management for Petroleum Refineries, Title 8, New Section 5189.1 of the General Industry Safety Orders, Final Statement of Reasons (2016)
  5. Edmund G. Brown Jr., Governor. (2014). Improving Public and Worker Safety at Oil Refineries, Interagency Working Group on Refinery Safety. https://www.dir.ca.gov/oshsb/documents/Process-Safety-Management-for-Petroleum-Refineriess-governorreport2014.pdf
  6. Jordan Barad. (2010). OSHA Deputy Assistant Secretary Testifies Before Senate Subcommittee on Employment and Workplace Safety on Worker Safety in Energy Production Industries (Release Number 10-0819-NAT). https://www.dol.gov/newsroom/releases/osha/osha20100610
  7. U.S. Chemical Safety and Hazard Investigation Board. (2009). Urgent Recommendations (No. 2009-14-I-TX-1). https://www.csb.gov/file.aspx?DocumentId=5928
  8. U.S. Chemical Safety and Hazard Investigation Board. (2015). Final Investigation Report Chevron Richmond Refinery Pipe Rupture and Fire (No. 2012-03-I-CA). https://www.csb.gov/assets/1/20/chevron_final_investigation_report_2015-01-28.pdf
  9. Western States Petroleum Association v. California Occupational Health and Safety Standards Board, et al., Sacramento County Superior Court, Case No. 34-2019-00260210, Complaint (filed July 9, 2019).
  10. Western States Petroleum Association v. California Occupational Health and Safety Standards Board, et al., Sacramento County Superior Court, Case No. 34-2019-00260210, Joint Stipulation and Order to Substitute Parties (filed Oct. 7, 2021).
  11. Western States Petroleum Association v. California Occupational Health and Safety Standards Board, et al., Sacramento County Superior Court, Case No. 34-2019-00260210, Request for Dismissal and Dismissal (filed Sept. 17, 2024).
  12. Western States Petroleum Association v. California Occupational Safety and Health Standards Board, et al., E.D. Cal., Case No. 2: 19-cv-01270, Complaint (filed July 9, 2019).
  13. Western States Petroleum Association v. California Occupational Safety and Health Standards Board, et al., E.D. Cal., Case No. 2: 19-cv-01270, Order Substituting Defendants (filed Sept. 23, 2021).
  14. Western States Petroleum Association v. California Occupational Safety and Health Standards Board, and The California Environmental Protection Agency, E.D. Cal., Case No. 2:19-cv-1270-JAM-DB, Notice of Motion and Motion for Voluntary Dismissal (filed Sept. 23, 2024), and Minute Order Granting Voluntary Dismissal Pursuant to FRCP 41(a)(2) (filed Sept. 24, 2024).
  15. Settlement Agreement to resolve two lawsuits: Western States Petroleum Association v. California Occupational Safety and Health Standards Board, et al. (Sacramento Superior Court, Case No. 34-2019-00260210); Western States Petroleum Association v. California Occupational Safety and Health Standards Board, et al. (E.D. Cal., Case No. 2:19-cv-1270) (“Federal Case”)

* Please contact OSHSB@dir.ca.gov to request a copy of the Advisory Committee handwritten attendance sheets.

Contact the OSHSB Public Records Officer to request any Documents Relied Upon.

November 2025