Furnace Explosion and Fire at Shell Polymers – Monaca, Pennsylvania
PDF · 70 pages · English · Incident Investigation

A 70-page U.S. Chemical Safety and Hazard Investigation Board (CSB) investigation report examining the June 4, 2025 furnace explosion and fire at Shell Polymers Monaca in Pennsylvania, including the incident sequence, process isolation, motor-operated valves, administrative controls, human-machine interface, root causes, recommendations and industry lessons.
shell polymers · shell monaca · furnace explosion · furnace fire · chemical incident · process safety · chemical safety · incident investigation · csb · u.s. chemical safety and hazard investig
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