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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #No LDEQ Number Available
State Police #05-05229
Accident Date2005-08-04
Report Date 2005-08-10
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 Dioxide1 hour, 53 minutesFLARE- No. 19NOYESNO64,400.0 pounds
Hydrogen Sulfide1 hour, 53 minutesFLARE- No. 19NONONO698.0 pounds
Nitrogen Oxide1 hour, 53 minutesFLARE- No. 19NOYESYES87.0 pounds
Nitrogen Dioxide1 hour, 53 minutesFLARE- No. 19NOYESYES15.0 pounds

Accident Classified As:

Cause of Problem: Instrument Failure

controls for the REA regenerators were switched to the control backup panel, so part of a controller could be repaired. The REA regenerators had difficulty operating and carried over liquid to the SRLA knockout drums triggering an overabundance of chemical releas

Discharge Preventable -

Notes/Remedial Actions

the refinery reduced rates to reduce the production of CAG.Ammonia acid gas production was stopped to allow the maximum amount of CAG to be processed.