USA – CSB Releases Final Investigation Report on 2025 Explosion and Fire at Shell Polymers Monaca Facility in Pennsylvania
The U.S. Chemical Safety and Hazard Investigation Board (CSB) released the agency’s final report on its investigation into the major June 4, 2025, explosion and fire at the Shell Polymers Monaca (Shell) facility in Monaca, Pennsylvania. The incident occurred when flammable cracked gas backflowed into the firebox of an ethane cracking furnace, known as Furnace…













































































































































































































































































































































































































































































































