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Valero (1238), Meraux
LDEQ Accident Report
| Accident # | 138540 |
| State Police # | 12-01984 |
| Accident Date | 2012-04-03 |
| Report Date | 2012-05-05 |
| Follow-up Date | 2012-06-05 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Hydrogen Sulfide | 10h 12m | North Flare | NO | NO | NO | 49.0 pounds |
| Sulfur Dioxide | 10h 12m | North Flare | NO | YES | NO | 4,500.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Under Investigation
An unplanned shutdown and subsequent startup of the Hydrocracker Unit (HCU) occurred. The HCU charge pump tripped after its lube oil pump failed. Possible causes offered by Valero, as of 06/15/12, include a lightning strike and an equipment malfunction. The cause is under investigation at this point, and the refinery promised a follow up letter with the results of the investigation.
Discharge Preventable - Under Investigation
Notes/Remedial Actions
Per written procedures, the refinery shut down and started up the Hydrocracker Unit.
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