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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #121338
State Police #10-00721
Accident Date2010-02-07
Report Date 2010-02-11
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

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Instrument Failure

Oxygen analyzer of a tank vapor recovery unit stopped reading correctly due to malfunction of a recently replaced internal cell which tripped the VRU compressor.

Discharge Preventable - No

Instrument cell had been replaced two weeks earlier and failed without warning.

Notes/Remedial Actions

Oxygen analyzer repaired and instrument cell re-calibrated. LDEQ report indicates intermittent release of toluene, benzene, xylene, and VOCs. Follow-up from refinery says no emissions since no release vents opened. Therefore, no release occurred as a result of this incident. Related citizen complaint regarding odor to LDEQ: #121473. Inconsistencies in the time in the LDEQ report and the time of the incident in the refinery report.