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Sterigenics Ethylene Oxide Explosion
Ontario, CA, August 19, 2004
Sterigenics Ethylene Oxide Explosion
Damage to the Sterigenics facility in Ontario, CA, following ethylene oxide explosion Aug. 19.

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Incident Description
At approximately 3:00 p.m. on August 19, 2004, an explosion occurred inside an ethylene oxide sterilization chamber and an associated thermal oxidizer at the Sterigenics facility in Ontario, California. Four employees suffered minor injuries and the facility was rendered unusable.

Investigation Status
On March 30, 2006, the CSB issued its final report on the accident.

Reports Final Investigation Report
Webcast
News Releases News Release March 30, 2006 - CSB Issues Final Report in 2004 Explosion at Sterigenics International Facility in Ontario, California: Notes Lack of Engineering Controls, Understanding of Process Hazards
News Releases News Release March 30, 2006 - CSB Releases Video with Animation Describing 2004 Ethylene Oxide Explosion at Sterigenics International
News Releases News Release August 30, 2004 - CSB Investigating Ethylene Oxide Release and Explosion at Sterigenics Facility in Ontario, California