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Valero (26003), Norco
LDEQ Accident Report
| Accident # | 100469 |
| State Police # | 07-06454 |
| Accident Date | 2007-10-24 |
| Report Date | 2007-10-31 |
| 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 |
| Sulfur Dioxide | No information given. | Thermal Oxidizer #2, Flares #1,2,3,4 | NO | YES | NO | BRQ |
Accident Classified As:
Cause of Problem: Instrument Failure
On Oct 24, 2007, Valero shut down the West Plant units. There was a communication issue with the Process Logic Controller (PLC) , resulting in the shutdown of the Crude Unit. The shutdown of the Crude Unit cascaded and caused the Vacuum, Coker, and Hydrotreater Units to shutdown as well. Consequently, problems began with the East Plant Units that resulted in flaring and an upset of their SRU 30.
Discharge Preventable -
Notes/Remedial Actions
Since the incident consisted of shutdown events that led to a flaring/incinerating event, the units were restarted as soon as the communication issue was resolved.
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