How often must a PSM or RMP-covered facility perform Process Hazard Analyses (PHA)?

The requirement for a Process Hazard Analysis (PHA) to be performed at a Process Safety Management (PSM) or Risk Management Plan (RMP) covered facility is every 5 years. This timeframe is established to ensure that the hazards associated with processes involving highly hazardous chemicals are systematically evaluated and updated as necessary. Regularly scheduled PHAs help facilities to re-assess their operations, identify potential risks, and implement necessary changes to maintain safety standards.

Conducting a PHA less frequently than every 5 years could lead to outdated hazard assessments, potentially increasing the risk of incidents, while more frequent assessments could impose unnecessary burdens without the need for updating the safety measures that would be appropriate due to changes in technology, procedures, or facility layout. This balance ensures that safety remains a priority and that the PHA process remains practical and relevant.