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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #94023
State Police #07-00783
Accident Date2007-02-17
Report Date 2007-02-22
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
Hydrogen14h 57msafety valve releaseNONONO1,679.0 pounds
Hydrogen Sulfide14h 57msafety valve releaseNONONO1,640.0 pounds
Ammonia14h 57msafety valve releaseNONONO81.0 pounds
Benzene14h 57msafety valve releaseNONOYES40.0 pounds
Volatile Organic Compounds (VOCs)14h 57msafety valve releaseNONOYES10,527.0 pounds
Flammable Vapor14h 57msafety valve releaseNONOYES10,527.0 pounds
Methane14h 57msafety valve releaseYESNOYES1,589.0 pounds

Accident Classified As:

Cause of Problem: Process Upset

safety valve release

Discharge Preventable - No

Notes/Remedial Actions

unit feedrate was reduced until the faulty indicator could be repaired.