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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #106838
State Police #08-03858
Accident Date2008-06-29
Report Date 2010-03-22
Follow-up Date 0000-00-00
Follow-up: 

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
BenzeneNo information givenTanks 8 and 9NONOYES123.0 pounds
ButadieneNo information givenTanks 8 and 9NONOYES244.0 pounds
FlammablesNo information givenTanks 8 and 9NONONO1,050.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Process Upset

The pressure feed tanks at the Waste water improvement unit exceeded vacuum setting and released hydrocarbon vapors to relieve the pressure. The cause is the material from the olefins unit flare knock out drum.

Discharge Preventable - No Information Given

Notes/Remedial Actions

It was unexpected that this material will impact the WWIU.