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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #114864
PDF AvailablePDF
State Police #09-02346
Accident Date2009-05-12
Report Date 2009-05-19
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
Oil18 mProcess gas oil lineNONONO4,188.0 pounds
Polynuclear Aromatic Hydrocarbons18 mProcess gas oil lineNONOYES12.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Instrument Failure

Process gas oil spill occurred when a line was being steamed out. Steam was lined up to the process gas oil line when a gauge glass failed.

Discharge Preventable - No

This incident was not preventable as it was the result of the unexpected failure of a sight glass.

Notes/Remedial Actions

The gage glass failure provided an opening of about 3/4" through which 4188 lbs oil was released to soil.This stream contains approximately 0.28% polynuclear aromatic hydrocarbon. The reportable quantities were exceeded for oil to soil and for polynuclear aromatic hydroarbon. The failed gauge glass was isolated to stop the leak. An investigation is being conducted to determine the failure mechanism of the sight glass and appropriate follow up actions to prevent recurrence.