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Marathon Ashland Petroleum (3165), Garyville
LDEQ Accident Report
| Accident # | 123330 |
| State Police # | 10-02461 |
| Accident Date | 2010-05-07 |
| Report Date | 2010-05-14 |
| 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 |
| Volatile Organic Compounds (VOCs) | 1hr 30m | Truck loading rack [EIQ #1497] | NO | NO | YES | 13.6 pounds |
| Highly Reactive Volatile Organic Compounds (HRVOCs) | 1hr 30m | Truck loading rack [EIQ #1497] | NO | NO | NO | 9.4 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
Relief valve on transport truck opened at a pressure below what was supposed to open it during offloading.
Discharge Preventable - No
"The relief valve on the trailer opened at a pressure below that which it was designed for." Trailer owned by the transport co. not the refinery.
Notes/Remedial Actions
BRQ. Refinery letter states that reportable quantities were not exceeded, but detailed emissions report included. "The truck was offloaded to process to relieve [sic] the pressure and stop the event."
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