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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 79812 |
| State Police # | 05-03944 |
| Accident Date | 2005-06-14 |
| Report Date | 2005-06-16 |
| Follow-up Date | 2005-07-20 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Carbon Monoxide | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | YES | NO | 89.7 pounds |
| Nitrogen Oxide | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | YES | YES | 54.2 pounds |
| Particulate Matter | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | YES | NO | 10.2 pounds |
| Volatile Organic Compounds (VOCs) | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | NO | YES | 42.6 pounds |
| 1,3-Butadiene | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | NO | YES | 3.4 pounds |
| Benzene | 0 h 54 m | Shell Chemical GO-1 Processing Unit, GO-1 elevated flare | NO | NO | YES | 1.0 pounds |
| Toluene | NO | NO | NO | 0.3 |
Accident Classified As: Reportable Quantity
Cause of Problem: Power Failure
Entergy was in the process of performing a periodic maintenance on relays at the Norco Substation. A relay tip occurred at the Norco Substation unexpectedly. The power outage resulted in the shutdown of two compressors in the Shell Chemical GO-1 Process Unit, resulting in flaring of process gases at the GO-1 Elevated Flare.
Discharge Preventable - No
Notes/Remedial Actions
Operations personnel took immediate corrective actions to minimize the level of emissions; process gases were flared at West Op Ground flare until the compressors re-started and the G0-1 process units were back under control; Motiva maintained that the incident was not under their control, rather the control of Shell Chemical and Louisiana Holdings LLP
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