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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #104042
PDF AvailablePDF
State Police #08-01517
Accident Date2008-03-18
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
Nitrogen OxideNo information givenFlareNOYESYES70.0 pounds
EthyleneNo information givenFlareNONOYES250.0 pounds

Accident Classified As: No Information Given

Cause of Problem: Process Upset

They lost an analog output card on a control system Off spec. Gasses went tot flare. Control valves and their by pass cause the system to go off spec. This caused them to flare the materials.

Discharge Preventable - No Information Given

Notes/Remedial Actions

The release is ongoing until they can bring things back on line. Materials released will be tracked against 5 yr rolling average for the Sp. Condition. Amount of nitrogen oxide released is over 70 pounds.