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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #92930
PDF AvailablePDF
State Police #06-07743
Accident Date2006-12-28
Report Date 2006-12-28
Follow-up Date 0000-00-00
Follow-up: 

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Natural Gas25h 15m#4 Mox BoilerNONONO19,000.0 pounds
Ethane25h 15m#4 Mox BoilerNONOYES 
Methane25h 15m#4 Mox BoilerYESNOYES 
Propylene25h 15m#4 Mox BoilerNONOYES 

Accident Classified As: Reportable Quantity

Cause of Problem: Under Investigation

Their #4 Mox boiler has a mechanically operated valve that opens at high pressure. High pressure in the line caused it to open, but they do not know what caused the high pressure yet.

Discharge Preventable - No Information Given

Notes/Remedial Actions

It was determined that Ethane, Methane, and Propylene were the chemicals involved in the fire. They believe they exceeded the RQ for VOC's.