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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #102284
State Police #0800268
Accident Date2008-01-15
Report Date 2009-01-18
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
Highly Reactive Volatile Organic Compounds (HRVOCs)7 h 22 mUnit 46 - Deethanizer ReboilerNONONO28.5 pounds
Volatile Organic Compounds (VOCs)7 h 22 mUnit 59 - North FlareNONOYES52.1 pounds
Carbon Monoxide7 h 22 mUnit 66 - RBS FlareNOYESNO5.8 pounds
Nitrogen OxideUnit 66 - RBS Flare7 h 22 mNOYESYES15.7 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

Shell's off gas compressor tripped causing the fuel gas pressure to increase and relieve to flare

Discharge Preventable - No Information Given

unknown

Notes/Remedial Actions

FCCU Reactor Temperature was cut back to reduce off-gas production