CSB Incidents by Process Safety Cause

This is a curated database developed by Grok of significant CSB incidents organized by PSM element identified as one of the causes. Please let me know if any incidents should be added or if there are any inaccuracies at jim@psmnews.com.

Why This CSB Incident Database May Be Useful

This reference tool makes it easier to learn from real incidents by connecting them directly to the relevant PSM elements. Here are some practical ways it can be used:

  • Safety Meetings & Toolbox Talks — Quickly find relevant incidents to discuss for specific PSM topics (e.g., Mechanical Integrity, Management of Change, or Hot Work).
  • Shift Meetings & Operator Training — Use as a reference when reviewing procedures, lessons learned, or reinforcing operating discipline.
  • PHA / Revalidation Preparation — Help teams identify past failures related to specific elements when conducting or updating Process Hazard Analyses.
  • Incident Investigation Training — Study real examples of root causes and recurring failures in specific PSM areas.
  • Audits & Compliance Reviews — Use as a checklist-style reference when evaluating the effectiveness of individual PSM elements.
  • New Engineer / Employee Onboarding — Provide context and real-world examples to help new team members understand why each PSM element matters.
  • Personal Learning & Research — Quickly locate relevant case studies when writing articles, preparing presentations, or refreshing knowledge on a topic.
  • Continuous Improvement — Help leadership and technical teams spot patterns and drive stronger performance in weaker PSM areas.
Process Safety Information (PSI)
Incident Year Hazard Type Notes
DuPont La Porte Toxic Release 2014 Toxicity Incomplete and inaccurate process safety information regarding reactive hazards
Chevron Richmond Refinery Fire 2012 Fire/Explosion Outdated and incomplete PSI regarding material properties and corrosion rates
BP Texas City Refinery Explosion 2005 Fire/Explosion Inadequate and outdated process safety information contributed to poor decision making
Motiva Enterprises Sulfuric Acid Tank Explosion 2004 Fire/Explosion Poor documentation of tank design and inspection history
Formosa Plastics Explosion (IL) 2004 Fire/Explosion Incomplete PSI regarding hazards and safe operating limits

Process Hazard Analysis (PHA)

Incident Year Hazard Type Notes
DuPont La Porte 2014 Toxicity Inadequate PHA for reactive chemistry
West Fertilizer 2013 Fire/Explosion No formal PHA performed
Chevron Richmond 2012 Fire/Explosion PHA failed to identify corrosion hazard
BP Texas City 2005 Fire/Explosion Severe PHA deficiencies

Operating Procedures

Incident Year Hazard Type Notes
DuPont La Porte 2014 Toxicity Inadequate or not followed operating procedures
Chevron Richmond 2012 Fire/Explosion Procedures did not address abnormal conditions
BP Texas City 2005 Fire/Explosion Inadequate operating procedures
Formosa Plastics (IL) 2004 Fire/Explosion Failure to follow procedures

Training

Incident Year Hazard Type Notes
DuPont La Porte Toxic Release 2014 Toxicity Inadequate training on the new process and emergency procedures contributed to the fatal incident.
West Fertilizer Explosion 2013 Fire/Explosion Lack of training on the hazards of ammonium nitrate storage and emergency response.
Tesoro Martinez Refinery 2010 Fire/Explosion Training deficiencies and lack of knowledge of abnormal conditions were factors.
BP Texas City Refinery Explosion 2005 Fire/Explosion Inadequate operator training on startup procedures, abnormal situations, and troubleshooting. Training was outdated.
Motiva Enterprises Sulfuric Acid Tank Explosion 2004 Fire/Explosion Inadequate training on tank inspection and maintenance procedures.
Formosa Plastics (Illinois) 2004 Fire/Explosion Training deficiencies contributed to operators not understanding the process and bypassing safeguards.

Mechanical Integrity (MI)

Incident Year Hazard Type Notes
Chevron Richmond Refinery Fire 2012 Fire/Explosion Long-term corrosion of piping due to poor mechanical integrity program and inadequate inspection.
Williams Olefins Plant Explosion 2013 Fire/Explosion Heat exchanger failure due to inadequate mechanical integrity and inspection practices.
BP Texas City Refinery Explosion 2005 Fire/Explosion Failed mechanical integrity on the blowdown drum and related equipment; poor inspection and maintenance.
Motiva Enterprises Sulfuric Acid Tank Explosion 2004 Fire/Explosion Tank integrity failure due to inadequate mechanical integrity and maintenance program.
Formosa Plastics (IL) 2004 Fire/Explosion Equipment integrity issues contributed to the release.

Pre-Startup Safety Review (PSSR)

Incident Year Hazard Type Notes
BP Texas City Refinery Explosion 2005 Fire/Explosion No PSSR was conducted prior to startup after turnaround; critical deficiencies not identified
DuPont La Porte Toxic Release 2014 Toxicity Inadequate PSSR for modified process and temporary equipment
Williams Olefins Plant Explosion 2013 Fire/Explosion Inadequate PSSR and MOC for restarted heat exchanger
Bayer CropScience 2008 Fire/Explosion Incomplete PSSR; critical safety systems not fully verified before startup

Compliance Audits

Incident Year Hazard Type Notes
BP Texas City Refinery Explosion 2005 Fire/Explosion Weak compliance audits failed to identify serious PSM deficiencies
Chevron Richmond Refinery Fire 2012 Fire/Explosion Audits did not effectively identify or correct long-standing mechanical integrity issues
DuPont La Porte Toxic Release 2014 Toxicity Inadequate audits failed to detect gaps in process safety systems
Formosa Plastics Explosion (IL) 2004 Fire/Explosion Audits did not identify recurring procedural and operational issues

Hot Work Permit

Incident Year Hazard Type Notes
DuPont Buffalo (Tonawanda) Fatal Hot Work Explosion 2010 Fire/Explosion Hot work on tank containing flammable vapors; inadequate gas testing and permitting
Sunoco Logistics (Texas) Flash Fire 2016 Fire/Explosion Hot work on pipe containing residual flammable material; deficient hot work procedures
Long Brothers Oil Company 2012 Fire/Explosion Fatal hot work explosion while cutting on tank
Omega Protein 2014 Fire/Explosion Hot work on tank containing organic material led to explosion
Motiva Enterprises Sulfuric Acid Tank 2004 Fire/Explosion Hot work contributed to tank explosion due to poor permitting and hazard evaluation

Contractors

Incident Year Hazard Type Notes
BP Texas City Refinery Explosion 2005 Fire/Explosion Inadequate contractor training, oversight, and safety integration. Contractors made up much of the workforce during turnaround and were involved in the incident.
Chevron Richmond Refinery Fire 2012 Fire/Explosion Contractor personnel involved in maintenance activities; deficiencies in contractor management and communication.
Formosa Plastics Explosion (IL) 2004 Fire/Explosion Contractor actions contributed to the incident; poor contractor oversight and training on process hazards.
Motiva Enterprises Sulfuric Acid Tank Explosion 2004 Fire/Explosion Contractor involved in tank maintenance; inadequate contractor safety management.

Emergency Planning & Response

Incident Year Hazard Type Notes
West Fertilizer Explosion 2013 Fire/Explosion Inadequate emergency planning and response; firefighters not informed of explosive hazards
DuPont La Porte Toxic Release 2014 Toxicity Inadequate emergency response procedures and training for toxic release
Chevron Richmond Refinery Fire 2012 Fire/Explosion Deficiencies in emergency response planning and community notification
BP Texas City Refinery Explosion 2005 Fire/Explosion Inadequate emergency response planning and evacuation procedures
Formosa Plastics Explosion (IL) 2004 Fire/Explosion Poor emergency response coordination and training

Safety Culture

Incident Year Hazard Type Notes
DuPont La Porte 2014 Toxicity Weak safety culture
Chevron Richmond 2012 Fire/Explosion Normalization of deviance
Tesoro Martinez 2010 Fire/Explosion Serious safety culture deficiencies
BP Texas City 2005 Fire/Explosion Production over safety culture

Operational Discipline (OD)

Incident Year Hazard Type Notes
DuPont La Porte 2014 Toxicity Breakdown in operational discipline
BP Texas City 2005 Fire/Explosion Poor adherence to procedures
Formosa Plastics (IL) 2004 Fire/Explosion Bypassing of safeguards

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