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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #94388
State Police #07-01072
Accident Date2007-03-06
Report Date 2007-03-08
Follow-up Date 0000-00-00
Follow-up: 

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide1h 14mSouth FlareNOYESNO0.0 pounds
Hydrogen Sulfide1h 14mSouth FlareNONONO0.0 pounds

Accident Classified As:

Cause of Problem: Maintenance/Procedures

Compressors in Unit 22 Sturates Gas Plant shutdown for maintenance and gas feed to Unit decreased. As a result temperature of gas feed cooler effluent decreased in turn increasing amount condensed.

Discharge Preventable - Yes

Notes/Remedial Actions

Claims emission was below RQ. Claims alternative (shutting down the compressor and a subsequent Unit shutdown) would have allowed for a more substantial release of emissions to the environment.