Two contract employees were overcome and fatally injured by nitrogen as they performed maintenance work near a 24-inch opening on the top of a reactor. One of the workers died attempting rescue.
The CSB issue a case study report and a safety video based on this incident at a news conference in Newark, Delaware, on November 2, 2006.
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.
The CSB’s final report on this investigation was issued at a news conference in Springfield, Illinois, on March 6, 2007.