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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #126299
State Police #10-05255
Accident Date2010-09-11
Report Date 2010-09-17
Follow-up Date 2010-10-12
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Highly Reactive Volatile Organic Compounds (HRVOCs)1h 23mFLARE - North [EQT282] & South Ground Flare [EQT160]NONONO43.9 pounds
Volatile Organic Compounds (VOCs)1 h 23mFLARE - North [EQT282] & South Ground Flare [EQT160]NONOYES336.6 pounds
Nitrogen Oxide1h 23mFLARE - North [EQT282] & South Ground Flare [EQT160]NOYESYES57.9 pounds
Sulfur Dioxide1h 23mFLARE - North [EQT282] & South Ground Flare [EQT160]NOYESNO0.2 pounds
Carbon Monoxide1h 23mFLARE - North [EQT282] & South Ground Flare [EQT160]NOYESNO316.4 pounds

Accident Classified As:

Cause of Problem: Power Failure

"Due to a power failure, the Shell off-gas compressors shutdown causing Marathon to have an over abundance of fuel gas which required flaring as a safety precaution." FLARE.

Discharge Preventable - Under Investigation

Under Investigation.

Notes/Remedial Actions

BRQ. Refinery letter states that no reportable quantities were exceeded; detailed emissions report included. No LDEQ report. Refinery follow-up report only; follow-up letter states that original written report was submitted to LDEQ on 9/17/2010, but this is not included in the file.