Accident Description

Accident: Emergency Shutdown Systems for Chlorine Transfer

Location: Location: ,

Accident Occurred On: 08/14/2002 | Final Report Released On: 06/14/2007

Accident Type: Release

Investigation Status: The CSB issued this safety bulletin on June 14, 2007.

This bulletin compares two chlorine releases investigated by the CSB. In both, a railcar unloading hose failed and chlorine was released. In the first incident, an emergency shutdown system malfunctioned, resulting in a release of 48,000 pounds of chlorine and a significant community impact. In the second, the emergency shutdown system worked to minimize the release, and the community was not impacted.