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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #148949
State Police #13-02413
Accident Date2013-05-31
Report Date 2013-06-07
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
Flammable Vapor3h 13mNACC "X"FurnaceNONOYES2,913.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Under Investigation

ON May 31, 2013, the Baton Rouge Chemical Plant discovered flooding conditions on the NACC "X" furnace. Upon discovery, furnace firing rates were reduced. Furnace flooding conditions occur when there is more fuel gas inside of the furnace than can be completely combusted. The uncombusted fuel gas resulted in RQ exceedances for flammable vapor. Approximately 2,913 pounds of flammable vapor were released as a result of this event. An investigation is underway to determine the root cause.

Discharge Preventable - Under Investigation

This event is currently under investigation to determine the root cause.

Notes/Remedial Actions

Upon discovery, furnace firing rates were reduced. As of December 18, 2013, LABB was unable to locate a follow up letter from the refinery.