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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 92925 |
| State Police # | 06-07735 |
| Accident Date | 2006-12-28 |
| Report Date | 2007-01-04 |
| Follow-up Date | 2007-02-09 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Carbon Monoxide | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | YES | NO | 3,427.0 pounds |
| Nitrogen Oxide | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | YES | YES | 85.0 pounds |
| Particulate Matter | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | YES | NO | 119.0 pounds |
| Sulfur Dioxide | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | YES | NO | 159.0 pounds |
| Volatile Organic Compounds (VOCs) | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | NO | YES | 1,217.0 pounds |
| 1,3-Butadiene | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | NO | YES | 63.0 pounds |
| Hexane | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | NO | NO | 4.0 pounds |
| Benzene | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | NO | YES | 21.0 pounds |
| Toluene | 3d 11h 30m | West Ops Ground Flare FG-201 (EPN #9-84) | NO | NO | NO | 4.7 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Start Up, Shut Down
Flaring due to an unexpected shutdown of a propylene refrigerant compressor in Shell Chemical's GO-1 Process Unit. Shutdown in Shell Chemical's GO-1 Process Unit was due to a high vibration alarm. The compressor is designed to shutdown when it experiences high vibration to prevent damage to the compressor.
Discharge Preventable - No
The incident was not in the control of Motiva, therefore the incident was not preventable by the Motiva Norco facility.
Notes/Remedial Actions
GO-1 operations immediately restarted the compressor, but the process unit upset resulting from the shutdown led to flaring at the West Operations Ground Flare. GO-1 operations made adjustments to safely return the process unit to normal conditions. Flaring continued as needed until the unit returned to normal conditions.
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