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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #123043
PDF AvailablePDF
State Police #10-02151
Accident Date2010-04-25
Report Date 2010-06-18
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Xylene2d 18h 41mFLARE - HCU elevated flareNONONOBRQ
Toluene2d 18h 41mFLARE - HCU elevated flareNONONOBRQ
Sulfur Dioxide2d 18h 41mFLARE - HCU elevated flareNOYESNOBRQ
Nitrogen Oxide2d 18h 41mFLARE - HCU elevated flareNOYESYESBRQ
Naphthalene2d 18h 41mFLARE - HCU elevated flareNONOYESBRQ
Hydrogen Sulfide2d 18h 41mFLARE - HCU elevated flareNONONOBRQ
Ethylene2d 18h 41mFLARE - HCU elevated flareNONOYESBRQ
Benzene2d 18h 41mFLARE - HCU elevated flareNONOYESBRQ
Volatile Organic Compounds (VOCs)2d 18h 41mFLARE - HCU elevated flareNONOYESBRQ

Accident Classified As:

Cause of Problem: Corrosion

FLARE. FIRE. Power failure caused rapid shutdown of Hydrocracking Unit due to a valve failure. Moisture had accumulated causing corrosion on the wiring and connections. During troubleshooting, hydroprocessing exchanger E-1057 bottom head caught fire. Fire extinguished with water, no injuries.

Discharge Preventable - No Information Given

Notes/Remedial Actions

BRQ. No RQs exceeded but did exceed max lb per hour permit limit for SO2. Process unit restarted and conditions returned to normal. Wiring, connector block, and seal repaired to prevent moisture from causing further corrosion.