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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 125532 |
| State Police # | 10-04543 |
| Accident Date | 2010-08-09 |
| Report Date | 2010-09-23 |
| 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 |
| Benzene | 30m | FLARE: HCU elevated flare (EPN 4-84) | NO | NO | YES | 0.3 pounds |
| Nitrogen Oxide | 30m | FLARE: HCU elevated flare (EPN 4-84) | NO | YES | YES | BRQ |
| Sulfur Dioxide | 30m | FLARE: HCU elevated flare (EPN 4-84) | NO | YES | NO | BRQ |
| Toluene | 30m | FLARE: HCU elevated flare (EPN 4-84) | NO | NO | NO | BRQ |
| Volatile Organic Compounds (VOCs) | 30m | FLARE: HCU elevated flare (EPN 4-84) | NO | NO | YES | BRQ |
Accident Classified As:
Cause of Problem: Human Factors
The HCU elevated flare (EPN 4-84) released Benzene, nitrogen oxides, sulfur dioxide, toluene, and VOC due to a faulty regulator and an orifice tee which was incorrectly installed by the manufacturer and also a faulty nitrogen regulator supplying the system. SECONDARY CAUSE: noted as equipment failure. FLARE.
Discharge Preventable - No Information Given
No information given
Notes/Remedial Actions
RQ. Refinery later states that reportable quantities were exceeded for benzene. Both the relief valve and the nitrogen regulator were removed from service and repaired. When repaired, they were reinstalled and returned to service.
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