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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 127553 |
| tate Police # | N/A |
| Accident Date | 2010-11-08 |
| Report Date | 2010-11-15 |
| Follow-up Date | 2010-12-16 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Nitrogen Oxide | 5h 20m | FLARE: DHT Unit; SHELL OL-5 Flare (EPN 6-84) | NO | YES | YES | 25.3 pounds |
| Sulfur Dioxide | 5h 20m | FLARE: DHT Unit; SHELL OL-5 Flare (EPN 6-84) | NO | YES | NO | 855.6 pounds |
| Volatile Organic Compounds (VOCs) | 5h 20m | FLARE: DHT Unit; SHELL OL-5 Flare (EPN 6-84) | NO | NO | YES | 6.7 pounds |
| Carbon Monoxide | 5h 20m | FLARE: DHT Unit; SHELL OL-5 Flare (EPN 6-84) | NO | YES | NO | 137.5 pounds |
| Particulate Matter | 5h 20m | FLARE: DHT Unit; SHELL OL-5 Flare (EPN 6-84) | NO | YES | NO | 4.8 pounds |
Accident Classified As:
Cause of Problem: Process Upset
Motiva DHT vent gas compressor tripped due to high liquid level in compressor's overhead accumulator (PV-1987). DHT experienced a rapid increase in feed rate DU-5 unit. Shared flaring incident with SHELL CHEMICAL LP.
Discharge Preventable - No
Letter states that "this incident was not preventable by Shell Chemical."
Notes/Remedial Actions
RQ. Letter includes emissions calculations information. Took immediate corrective actions to return unit to normal feed conditions and restarted DHT vent compressor when flaring stopped. DHT operators were given safety training.
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