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Marathon Ashland Petroleum (3165), Garyville
LDEQ Accident Report
| Accident # | 96496 |
| State Police # | 07-02708 |
| Accident Date | 2007-05-23 |
| Report Date | 2007-05-29 |
| 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) | 5m | North Flare | NO | NO | YES | 82.0 pounds |
Accident Classified As:
Cause of Problem: Process Upset
HS Alkylation Unit Depropanizer bottoms relief valve opened. Failure of 3 way valve.
Discharge Preventable - No
Notes/Remedial Actions
Claims emission was below RQ. Emission contained iso butane and propane. A design and engineering package has been approved for a pressure indication device upstream of the three way control valve to be installed in 2008. 80
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