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Valero (26003), Norco
LDEQ Accident Report
| Accident # | 114193 |
| State Police # | 09-1151 |
| Accident Date | 2009-04-16 |
| Report Date | 2009-04-23 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Recirculating cooling water | 26 m | Flare No. 1, Flare No. 2 | NO | NO | NO | 6,000.0 gallons |
| Sulfur Dioxide | 26 m | Flare No. 1, Flare No. 2 | NO | YES | NO | 1,807.0 pounds |
Accident Classified As:
Cause of Problem: Process Upset
Refinery cooling water tower CT-405 experienced a valve malfunction which resulted in a loss of cooling water to our Naphtha Hydrotreating unit (NHT). Due to the lack of cooling water, our NHT stripper overhead pressure increased and caused PSV-39-235 to relieve to the flare. Simultaneously when the CT-405 valve malfunction, the recirculating cooling water was released from the basin to the ground and flowed offsite.
Discharge Preventable - No Information Given
Preventability undetermined.
Notes/Remedial Actions
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