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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #109311
PDF AvailablePDF
State Police #No Information Given
Accident Date2008-09-17
Report Date 2008-09-29
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
Benzene17 mStorage tank #8 in WILANONOYES40.0 pounds
Butadiene17 mStorage tank #8 in WILANONOYES48.0 pounds
Flammable Vapor17 mStorage tank #8 in WILANONOYES4,029.0 pounds
1,3-Butadiene7mTank 8NONOYES 
Benzene7mTank 9NONOYES 

Accident Classified As:

Cause of Problem: Process Upset

Discharge Preventable - No Information Given

Notes/Remedial Actions

Storage tank 8 in WILA vented from unit upset. Pressure vacuum setting on feed tanks in the WILA unit exceeded for 10 min and released the listed chemicals. Several units that feed into WILA were on start up mode after hurricane Gustav. Communication between units if being reinforced.