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ExxonMobil Chemical Plant (286), Baton Rouge
LDEQ Accident Report
| Accident # | 106837 |
| State Police # | 08-03851 |
| Accident Date | 2008-06-28 |
| Report Date | 2010-04-22 |
| Follow-up Date | 0000-00-00 |
| Follow-up: |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| styrene monomer | 19 hours | Tank | NO | NO | NO | 900.0 pounds |
| Ethylbenzene | 19 hours | tank | NO | NO | YES | 250.0 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Equipment Failure
Styrene monomer tank experienced a roof failure, cause undetermined. The tank was in the process of being de-inventoried and transfer to another tank remains underway. During transfer of crude styrene from one storage tank to another the roof of storage tank MV-816 failed.
Discharge Preventable - No
Could not predict the roof collapse.
Notes/Remedial Actions
They have begun an air monitoring plan, testing for Styrene and LEL. Slight odor at the tank but nothing detected outside fence line. They do not believe any RQ were exceeded.
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