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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 140882 |
| State Police # | 12-04144 |
| Accident Date | 2012-06-28 |
| Report Date | 2012-07-03 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| 1,3-Butadiene | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | NO | YES | 4,190.2 pounds |
| Carbon Monoxide | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | YES | NO | 67,814.3 pounds |
| Hexane | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | NO | NO | 516.5 pounds |
| Nitrogen Oxide | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | YES | YES | 12,463.2 pounds |
| Toluene | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | NO | NO | 47.0 pounds |
| Volatile Organic Compounds (VOCs) | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | NO | YES | 40,000.0 pounds |
| Benzene | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | NO | YES | 726.9 pounds |
| Particulate Matter | 6d | Shell Chemical's GO-1 Elevated Flare and Motiva West Operations Ground Flare | NO | YES | NO | 2,346.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Equipment Failure
There was an unexpected loss of a boiler, causing a steam load shed, causing a unit shutdown, which caused the flaring. There was flaring at both Shell Chemical's 1-90 GO-1 Elevated Flare FE-602 and Motiva West Operations Ground Flare. The unexpected loss of the boiler was a due to a loss of lube oil on the forced draft fan and broken linkage of the trip and throttle valve.
Discharge Preventable - No
Notes/Remedial Actions
Calculations and investigations confirm that the reportable quantity for 1,3-Butadiene was exceeded during release from the flare. Maximum permitted limits were exceeded for 1,3-Butadiene and Hexane from the West Ops Ground Flare. Ethylene, PAHs, and sulfur dioxide were listed in the written reports as being released but do not have the amounts released in the Permitted Source Emissions tables.
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