Accident Description

Accident: CITGO Refinery Hydrofluoric Acid Release and Fire

Location: Location: Corpus Christi, TX

Accident Occured On: 07/19/2009 | Final Report Released On: 12/09/2009

Accident Type: Release

Investigation Status: The CSB issued urgent recommendations on December 9, 2009, and formally closed its investigation at a public meeting on January 28, 2015.

A fire in the alkylation unit at CITGO's Corpus Christi refinery led to a release of hydrofluoric acid (HF). The alkylation unit makes high-octane blending components for gasoline. One worker was critically burned.

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