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Marathon Ashland Petroleum (3165), Garyville
LDEQ Accident Report
| Accident # | 121187 |
| State Police # | 10-00629 |
| Accident Date | 2010-02-01 |
| Report Date | 2010-02-08 |
| 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 | 41 m | FLARE - North & South Ground Flares; Thermal Oxidizers #1, #2, #3; GME Thermal Oxidizer #1, #2 | NO | YES | NO | 5,201.0 pounds |
| Volatile Organic Compounds (VOCs) | 41 m | FLARE - North & South Ground Flares; Thermal Oxidizers #1, #2, #3; GME Thermal Oxidizer #1, #2 | NO | NO | YES | 290.8 pounds |
| Nitric Oxide | 41 m | FLARE - North & South Ground Flares; Thermal Oxidizers #1, #2, #3; GME Thermal Oxidizer #1, #217m | NO | YES | NO | 154.2 pounds |
Accident Classified As:
Cause of Problem: Process Upset
A transformer breaker tripped causing multiple operating units to shut down, including sulfur plants. FLARE.
Discharge Preventable - Under Investigation
Refinery letter states that "all aspects of this incident/upset are currently under investigation." LDEQ report states that this event seems to be "reasonably unforeseeable."
Notes/Remedial Actions
RQ. Reportable Quantities were exceeded for sulfur dioxide during this incident. Detailed emissions report included. Refinery's Air Monitoring Team dispatched. "The breaker was reset and the units were quickly brought back on line." LDEQ report date is 2/18/2011.
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