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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #No LDEQ Number Available
State Police #05-01368
Accident Date2005-02-27
Report Date 2005-03-03
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
Sulfur Dioxide2 hours, 24 minutesFLARENOYESNO503.0 pounds
Nitrogen Oxide2 hours, 24 minutesFLARENOYESYES24.0 pounds
Hydrogen2 hours, 24 minutesFLARENONONO2.0 pounds
Nitrogen2 hours, 24 minutesFLARENONONO2.0 pounds
Hydrogen Sulfide2 hours, 24 minutesFLARENONONO1.0 pounds
Methane2 hours, 24 minutesFLAREYESNOYES15.0 pounds
Ethane2 hours, 24 minutesFLARENONOYES10.0 pounds
Cyclopropane2 hours, 24 minutesFLARENONOYES3.0 pounds
Propane2 hours, 24 minutesFLARENONOYES41.0 pounds
Butene2 hours, 24 minutesFLARENONOYES5.0 pounds
Butane2 hours, 24 minutesFLARENONOYES20.0 pounds
pyrrolidine, protonated2 hours, 24 minutesFLARENONONO19.0 pounds
Pentene2 hours, 24 minutesFLARENONONO1.0 pounds
Pentane2 hours, 24 minutesFLARENONOYES7.0 pounds
Pentane2 hours, 24 minutesFLARENONOYES5.0 pounds
n-Hexane2 hours, 24 minutesFLARENONONO3.0 pounds

Accident Classified As:

Cause of Problem: Instrument Failure

the controller responsible for the operation of the Refinery Gas Compression Unit (RGCU) began experiencing problems

Discharge Preventable - No

Notes/Remedial Actions

C-50 was started up to eliminate the flaring and was run on manual. Incident not preventable because normal preventative precautions not used due to concern over clanging noises.