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Marathon Ashland Petroleum (3165), Garyville
LDEQ Accident Report
| Accident # | 144469 |
| State Police # | 12-19093 |
| Accident Date | 2012-11-06 |
| Report Date | 2012-11-09 |
| 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 |
| Sulfur Dioxide | 17m | Unit 59 North Flare | NO | YES | NO | 45.0 pounds |
| Highly Reactive Volatile Organic Compounds (HRVOCs) | 17m | Unit 59 North Flare | NO | NO | NO | 6.0 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Process Upset
A unit upset occurred in the Fluidized Catalytic Cracking Unit (FCCU) due to a sudden shift in feed composition. Subsequently, pressure increased in the fractionator overhead accumulator causing the pressure control valve to open to the refinery's North Flare for 11 minutes.
Discharge Preventable - Under Investigation
Notes/Remedial Actions
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