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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #98775
State Police #07-04830
Accident Date2007-08-18
Report Date 2007-08-23
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 Dioxide1h 10mNorth FlareNOYESNO199.0 pounds
Nitrogen Oxide1h 10mNorth FlareNOYESYES10.0
Volatile Organic Compounds (VOCs)1h 10mNorth FlareNONOYES 

Accident Classified As:

Cause of Problem: Process Upset

The Crude Overhead Compressor overpressured and was relieved to the North Flare

Discharge Preventable - No

Notes/Remedial Actions

Claims emission was below RQ. Installing pressure indicators on the first stages of both overhead compressors which will be routed to the control room for iproved monitoring.