Process Safety Management (PSM) Audits

What are PSM Audits?

Process Safety Management (PSM) is a regulatory framework established by the Occupational Safety and Health Administration (OSHA) under 29 CFR 1910.119 to ensure the safe handling and management of highly hazardous chemicals (HHCs) in industrial settings. The PSM program is designed to prevent catastrophic incidents resulting from the accidental release of toxic, flammable, or reactive chemicals.

A PSM audit is a structured, systematic process used to evaluate the effectiveness of a facility’s PSM program. It verifies that safety procedures are documented, properly implemented, and risks are mitigated to protect workers, equipment, and the environment.

Who Needs PSM Audits?

As mandated by OSHA, PSM audits must be conducted at least once every three years to maintain compliance with federal regulations. Facilities that are typically subject to PSM audit requirements include:

• • Chemical manufacturing plants
  • Petroleum refineries
  • Petrochemical and gas processing facilities
  • Industrial operations with significant hazardous chemical inventories

In general, PSM applies to facilities that handle any of the 130 specific toxic, reactive, or flammable substances listed under OSHA’s PSM standard. This includes:

• • Flammable liquids or gases in quantities of 10,000 pounds (4,535.9 kg) or more
  • Listed toxic chemicals at threshold quantities defined in the regulation

If a facility exceeds these thresholds, it is legally required to maintain a PSM program and conduct periodic audits to verify its effectiveness and regulatory compliance.

PSM Audit Process

A Process Safety Management (PSM) audit follows a structured, multi-phase approach to ensure a thorough evaluation of your facility’s safety management systems and regulatory compliance:

1. 1. Pre-Audit Preparation
   2. On-Site Inspection
   3. Document Review – In accordance with the 14 OSHA-required PSM elements:
      1. Employee Participation
      2. Process Safety Information (PSI)
      3. Process Hazard Analysis (PHA)
      4. Operating Procedures
      5. Employee Training
      6. Contractor Training
      7. Pre-Startup Safety Review (PSSR)
      8. Mechanical Integrity
      9. Hot Work Permit
      10. Management of Change (MOC)
      11. Incident Investigation
      12. Emergency Planning and Response
      13. Compliance Audits
      14. Trade Secrets
   4. Interview & Employee Involvement
   5. Gap analysis & Risk Assessment
   6. Recommendations & Corrective Actions
   7. Audit Report & Follow-Up

Key Elements of PSM Audits

The Center for Chemical Process Safety (CCPS) outlines a comprehensive 20-element framework for Process Safety Management that goes beyond the minimum 14 elements required under OSHA’s PSM standard (29 CFR 1910.119). These expanded elements are highly recommended for facilities seeking to achieve greater process safety maturity and exceed baseline compliance.

1. 1. Commit to Process Safety
      1. Process Safety Culture
      2. Compliance with Standards
      3. Process Safety Competency
      4. Workforce Involvement
      5. Stakeholder Outreach
   2. Understand Hazards and Risk
      1. Process Knowledge Management
      2. Hazard Identification and Risk Analysis
   3. Manage Risk
      1. Operating Procedures
      2. Safe Work Practices
      3. Asset Integrity and Reliability
      4. Contractor Management
      5. Training and Performance Assurance
      6. Management of Chage
      7. Operation Readiness
      8. Conduct of Operations
      9. Emergency Mangemet
   4. Learn from Experience
      1. Incident Investigation
      2. Measurement and Metrics
      3. Auditing
      4. Management Review and Continuous Improvement

These broader audit areas support the Plan–Do–Check–Act (PDCA) cycle of continuous improvement and help facilities strengthen their safety culture, reduce operational risk, and demonstrate leadership in process safety excellence.

Who Conducts & Executes PSM Audits?

Effective and accurate Process Safety Management (PSM) audits depend on a professional, multidisciplinary team composed of both internal facility personnel and external specialists:

1. 1. Key Contributors
      1. Audit Team – Experts responsible for audit planning, site evaluation, and report development (i.e. SEC experts)
      2. PSM Program Owners – Internal staff accountable for specific PSM elements such as Training, Process Safety Information (PSI), and Management of Change (MOC)
      3. Site Management – Facilities access to areas, documentation, and personnel
      4. Operations & Maintenance Representatives – Offer insight into how safety procedures are applied
   2. Auxiliary Contributors
      1. Corporate Representatives (Optional) – Provide oversight and alignment with company-wide safety policies
      2. Specialist Personnel – Deep technical focus area

Our SEC team works closely with your team to clearly define responsibilities, identify required documentation, and ensure all personnel are audit-ready through proper planning and support.

Staying Ahead of PSM Audits

Conducting regular Process Safety Management (PSM) audits is more than a compliance requirement—it’s a proactive strategy to strengthen your internal safety systems, reduce operational risk, and build a culture of accountability. Successful audits require both technical rigor and organizational readiness. Key success factors include:

• • Availability and accuracy of documentation
  • Experience of audit team
  • Honest, open communication during interview
  • Sufficient preparation and coordination
  • Audit scheduling that minimizes disruption
  • Strong engagement of employees

When these factors are aligned, the audit serves more than a compliance tool but a safety performance enhancer. SEC partners with your team every step of the way, helping you stay ahead of regulatory timelines and build a resilient, proactive safety culture.