Accident Description

Accident: Honeywell Geismar Chlorine and Hydrogen Fluoride Releases

Location: Location: Geismar, LA

Accident Occurred On: 01/23/2023 | Final Report Released On:

Accident Type: Release

Investigation Status: The CSB's investigations are currently ongoing

A heat exchanger rupture resulted in the release of hydrogen fluoride (HF) gas, chlorine gas, and various other process fluids. No injuries occurred.

The CSB is investigating a second incident at the facility that occurred on June 7, 2024. There was a release of hydrofluoric acid that seriously injured one worker.

The CSB is currently investigating both incidents. 

DSC00001_-_Copy