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Valero Refinery Asphyxiation Incident
Delaware City, DE, November 5, 2005
Valero Refinery Asphyxiation Incident
Top of the process reactor in which two contract workers died from nitrogen asphyxiation at the Valero Delaware City Refinery.

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Incident Description
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.

Investigation Status
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.

Reports Case Study
Webcast
Webcast
News Releases News Release November 2, 2006 - CSB Releases Safety Video with Computer Animation; Valero Refinery Delaware City, Delaware, Nitrogen Asphyxiation Incident on November 5, 2005
News Releases News Release November 2, 2006 - CSB Issues Case Study in 2005 Valero Refinery Delaware City, DE, Accident; Report Notes Inadequate Nitrogen Asphyxiation Hazard Awareness Training and Improper Confined Space Rescue Actions
News Releases News Release December 1, 2005 - CSB to Conduct Full Investigation of Nitrogen Incident at Valero Delaware City Refinery
News Releases News Release November 10, 2005 - Statement of CSB Board Member John Bresland on CSB Investigation of Valero Delaware City Refinery Incident
News Releases News Release November 7, 2005 - CSB Investigators to Assess Fatal Nitrogen Incident at Valero Delaware City Refinery