A process safety incident (PSI) is an unplanned event that releases hazardous materials outside of intended operational boundaries. PSIs can result in serious injury, death, or significant property damage.
Causes
Loss of containment
Loss of control
Safety system challenges
Management system failures
Safety culture issues
Emergency preparedness issues
Mechanical integrity issues
Consequences Large-scale health consequences,
Large-scale environmental consequences,
Serious physical injury or death, and Significant property damage.
Investigation
An investigation team is established to gather evidence
The team interviews involved personnel
The team analyzes collected data
The team responds initially to ensure immediate safety and emergency measures
Prevention Regular audits and inspections, Process safety management programs, and Facility and stationary source siting.
Examples
The Bhopal Toxic Release in 1984, when a chemical plant released methyl isocyanate (MIC) gas
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