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ExxonMobil Chemical Plant (286), Baton Rouge
LDEQ Accident Report
| Accident # | 146024 |
| State Police # | 13-00187 |
| Accident Date | 2013-01-12 |
| Report Date | 2013-01-18 |
| 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 |
| Propylene | 46m | IPA Unit | NO | NO | YES | 203.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Equipment Failure
While operators worked to repair a leak on the Isopropyl Alcohol Unit (IPA) by installing a spare extract pump, a flange on the downstream control valve station began leaking extract. As operators began troubleshooting the leak, the flange gasket failed, causing 2,844 pounds of extract to be released onto the concrete, of which approximately 203 pounds were propylene vapor.
Discharge Preventable - No
The release was due to an unanticipated gasket failure.
Notes/Remedial Actions
The unit was immediately shut down to isolate the leak. The gasket was replaced and the flange bolts were tightened.
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