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ExxonMobil Chemical Plant (286), Baton Rouge
LDEQ Accident Report
| Accident # | 133994 |
| State Police # | 11-05759 |
| Accident Date | 2011-09-16 |
| Report Date | 2011-09-19 |
| 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 |
| Hexane | 5h 30m | Halobutyl Finishing Unit | NO | NO | NO | BRQ |
| Cyclohexane | 5h 30m | Halobutyl Finishing Unit | NO | NO | YES | BRQ |
| Volatile Organic Compounds (VOCs) | 5h 30m | Halobutyl Finishing Unit | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Equipment Failure
A thermocouple failed, which resulted in the release. Halobutyl Finishing Unit Thermotreatment unit tripped.
Discharge Preventable - No Information Given
Notes/Remedial Actions
The thermocouple was replaced allowing the unit to be restarted around 8:30am. no injuries, complaints, or offsite impact resulted from this event. Amount of chemicals released is unknown. After evaluation, it has been determined that all emissions were permitted and no reportable qualities were exceeded.
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