
Revalidating Process Hazard Analysis: Getting Real Value
From Process Safety with Trish & Traci by chemicalprocessingsafety
February 10, 2026 · 24 min · Episode 116
About this episode
Trish Kerin and Traci Purdum discuss effective revalidations of process hazard analyses and the importance of methodology and team selection.
In this episode, Trish Kerin and Traci Purdum explore process hazard analysis revalidations and how to make them more effective. Kerin explains the difference between redoing a PHA and revalidating existing assessments, introducing the Delta HAZOP methodology that focuses on creeping change in facilities. She discusses triggers for revalidation, from legislative requirements to significant operational changes, and emphasizes the importance of selecting the right team and methodology. Kerin highlights how AI and machine learning can help gather data and identify trends, while stressing that human expertise remains essential. The key takeaway: approach revalidations with rigor and discipline, not as tick-box exercises, to truly identify hazards and manage risk effectively.
People in this episode
Hosts: Trish Kerin, Traci Purdum
Topics covered
- process hazard analysis
- revalidation
- risk management
- AI in safety
- team selection
- methodology
Keywords
- process hazard analysis
- revalidation
- Delta HAZOP
- AI
- risk management
- operational changes
- human expertise
Mentioned in this episode
Organizations: Delta HAZOP
More episodes of Process Safety with Trish & Traci
- Process Safety: Meet Me Under the Clocks · May 26, 2026 · 6 min
- 11 Fires, 60 Days: What's Really Behind the 2026 Refinery Crisis · May 12, 2026 · 23 min
- Leading Safely in a VUCA World · April 21, 2026 · 28 min
- When Level Nozzle Placement and Operator Behavior Collide · April 7, 2026 · 4 min
- Could vs. Should: What 'Jurassic Park' Can Teach Us About Process Safety · March 24, 2026 · 6 min
- When Nature Attacks: Preparing Chemical Facilities for NATECH Events · March 10, 2026 · 30 min
Explore listener stats, chart rankings, contacts and more on the Process Safety with Trish & Traci podcast page.