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Marathon Ashland Petroleum (3165), Garyville
LDEQ Accident Report
| Accident # | 116261 |
| State Police # | 09295 |
| Accident Date | 2009-07-07 |
| Report Date | 2009-07-13 |
| Follow-up Date | 2009-09-21 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Propylene | 39 hours | Railcar loading rack, Unit 64 (EQI 14-97, EQT 0055) | NO | NO | YES | 728.0 pounds |
| Nitrogen Oxide | 39 hours | Railcar loading rack, Unit 64 (EQI 14-97, EQT 0055) | NO | YES | YES | 176.0 pounds |
| Carbon Monoxide | 39 hours | Railcar loading rack, Unit 64 (EQI 14-97, EQT 0055) | NO | YES | NO | 955.0 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
Leaks on a relief valve flange and a dome flange were discovered on a rail-car when it arrived at the plant.
Discharge Preventable - Under Investigation
Incident is under investigation
Notes/Remedial Actions
The car was relieved to flare instead of pressuring the car to off-load the contents, which is the normal procedure. Pressuring the car would have made the leaks worse.
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