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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 123043 |
| State Police # | 10-02151 |
| Accident Date | 2010-04-25 |
| 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 |
| Xylene | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | NO | BRQ |
| Toluene | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | NO | BRQ |
| Sulfur Dioxide | 2d 18h 41m | FLARE - HCU elevated flare | NO | YES | NO | BRQ |
| Nitrogen Oxide | 2d 18h 41m | FLARE - HCU elevated flare | NO | YES | YES | BRQ |
| Naphthalene | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | YES | BRQ |
| Hydrogen Sulfide | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | NO | BRQ |
| Ethylene | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | YES | BRQ |
| Benzene | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | YES | BRQ |
| Volatile Organic Compounds (VOCs) | 2d 18h 41m | FLARE - HCU elevated flare | NO | NO | YES | BRQ |
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.
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