Accident Description

Accident: Formosa Plastics Vinyl Chloride Explosion

Location: Location: Illiopolis, IL

Accident Occurred On: 04/23/2004 | Final Report Released On: 03/06/2007

Accident Type: Chemical Manufacturing - Fire and Explosion

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

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.