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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 157959 |
| State Police # | 14-03499 |
| Accident Date | 2014-08-08 |
| Report Date | 2014-10-02 |
| 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 |
| Carbon Monoxide | 5d 2h 55m | Hydrocracking Unit | NO | YES | NO | 1,244.5 pounds |
| NOx | 5d 2h 55m | Hydrocracking Unit | NO | NO | YES | 228.7 pounds |
| Particulate Matter | 5d 2h 55m | Hydrocracking Unit | NO | YES | NO | 43.1 pounds |
| Volatile Organic Compounds (VOCs) | 5d 2h 55m | Hydrocracking Unit | NO | NO | YES | 605.0 pounds |
| Hexane | 5d 2h 55m | Hydrocracking Unit | NO | NO | NO | 1.8 pounds |
| Benzene | 5d 2h 55m | Hydrocracking Unit | NO | NO | YES | 0.3 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Maintenance/Procedures
On August 8, 2014 Motiva's Hydrocracking Unit (HCU) flared process gas at the HCU Elevated Flare (FE-301) due to the shutdown and subsequent start up of the unit. HCU safely shutdown to repair a ruptured tube on a fin fan cooler. The ruptured tube caused a diesel release that remained in secondary containment. Data gathering and calculations confirm no reportable quantities were exceeded during the release. However, the permitted maximum hourly emission rate limit for benzene, particulate matter, and volatile organic compounds were exceeded.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Operations was able to isolate the fin fan to stop the diesel release. The unit was restarted on August 14.
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