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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #No LDEQ Number Available
State Police #05-01164
Accident Date2005-02-19
Report Date 2005-02-24
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
Sulfur Dioxide6 hours, 30 minutesFLARENOYESNO734.0 pounds
Nitrogen Oxide6 hours, 30 minutesFLARENOYESYES32.0 pounds

Accident Classified As:

Cause of Problem: Instrument Failure

Control valves created excessive back pressure on the compressors at PCLA, which resulted in the compressor pressure control valve opening to the flare syste

Discharge Preventable - Yes

Notes/Remedial Actions

Corrected controls for the pressure control valves for the first part of the flaring event and closed a block valve for the second part of the flaring event; report stated that the release was preventable, but eplained that the flaring from 10:17am to 1:49pm was not preventable because a level instrument was reading incorrectly, which allowed the gas to the flare system.