Formosa Plastics Vinyl Chloride Explosion

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Accident Description
On April 23, 2004, five workers were fatally injured and two others were seriously injured when an explosion occurred in a polyvinyl chloride (PVC) production unit at Formosa Plastics in Illiopolis, Illinois, east of Springfield. The explosion followed a release of highly flammable vinyl chloride, which ignited. The explosion forced a community evacuation and lighted fires that burned for several days at the plant.


Investigation Status
The CSB’s final report on this investigation was issued at a news conference in Springfield, Illinois, on March 6, 2007.