Furnace Explosion and Fire at Shell Polymers – Investigation Report

PDF · 70 pages · English · Process Safety

A 70-page U.S. Chemical Safety and Hazard Investigation Board (CSB) investigation report on the June 4, 2025 furnace explosion and fire at Shell Polymers in Monaca, Pennsylvania. The report examines the incident sequence, furnace isolation, unintended gas flow path, administrative controls, human-machine interface, causes, recommendations and key lessons for the chemical process industry.

shell polymers · shell monaca · furnace explosion · furnace fire · chemical incident · process safety · chemical safety · incident investigation · accident investigation · root cause analysis

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