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CITGO Refinery Hydrofluoric Acid Release and Fire
Location: Corpus Christi, TX
Accident Occurred On: 07/19/2009
Accident Type: Release
Company Name: CITGO

statistics

Total # of Recommendations
2
Total # of Open Recommendations
0
Total # of Closed Recommendations
2
Total % of Open 0 vs. Closed 100

investigation information

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Accident Description
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.
Investigation Status
The CSB investigation is currently underway.


 

Recommendations

CITGO, Inc.
2009-14-I-TX-1

  • Within 30 days, develop and initiate actions to ensure adequate water supply to the CITGO HF mitigation system.  Actions could include, but are not limited to, increasing onsite storage capacity, installing a permanent backup system, and developing procedures and training for water management in an emergency.
  • Every 30 days, report actions planned or completed to the Refinery Terminal Fire Company and Local Emergency Planning Committee.  Continue the 30-day periodic reporting until all planned actions are fully implemented.

URGENT!
Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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2009-14-I-TX-2

  • Within 60 days, complete a third-party audit of all (Corpus Christi, TX and Lemont, IL) CITGO HF alkylation unit operations in the United States as recommended by API Recommended Practice 751, Safe Operation of Hydrofluoric Acid Alkylation Units, Third Edition June 2007. The selected lead auditor shall have extensive knowledge of HF hazards, HF alkylation units, and API 751. 
  • Consistent with the employee participation requirements of the Process Safety Management Standard for Highly Hazardous Chemicals (29 CFR 1910.119(c)), share all audit results and actions planned or completed to correct deficiencies in each refinery with all CITGO and contract employees whose work area includes that refinery’s alkylation unit.

URGENT!
Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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Related Video

Surveillance video from July 19, 2009, fire and explosion at the CITGO Corpus Christi Refinery
12/9/2009 5:00:00 AM
Surveillance video from July 19, 2009, fire and explosion at the CITGO Corpus Christi Refinery read more

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Related News

citgo1
CSB Issues Urgent Recommendations to CITGO; Finds Inadequate Hydrogen Fluoride Water Mitigation System during Corpus Christi Refinery Fire Last July
12/9/2009
Houston, Texas, December 9, 2009 – The U.S. Chemical Safety Board (CSB) today issued urgent safety recommendations calling on CITGO to immediately improve its emergency water mitigation system in the event of another release of potentially deadly hydrogen fluoride (HF) vapor, as occurred following an explosion and fire July 19, 2009, at CITGO’s Corpus Christi refinery. The Board also called on CITGO to perform third-party audits to ensure the safety of its hydrogen fluoride units at its Corpus Christi, Texas, and Lemont, Illinois, refineries.
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