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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #159072
State Police #14-04348
Accident Date2014-09-27
Report Date 2014-10-03
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
Hydrogen Chloride3h 30mRLA-1 UnitNONONO9,824.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Under Investigation

On September 27, 2014 the Baton Rouge Chemical Plant RLA-1 unit experienced an unplanned flaring event during unit start-up. At the onset of flaring, cooling water was increased to unit heat exchangers to control operating pressures and mitigate environmental impact. The incident was under investigation to determine root cause as of 10/3/14. It has been determined that this incident is considered an unauthorized discharge and not part of routine start-up operations.

Discharge Preventable - Yes

Notes/Remedial Actions

At the onset of flaring, cooling water was increased to unit heat eschangers to control operating pressures and mitigate the environmental impact. The incident is under investigation to determine the root cause and provide mitigating steps to prevent ercurrence.