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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #137197
PDF AvailablePDF
State Police #12-00895
Accident Date2012-02-15
Report Date 2012-02-21
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
Volatile Organic Compounds (VOCs)10mUnit 59 South FlareNONOYES4.8 pounds
Nitrogen Dioxide10mUnit 59 South FlareNOYESYES0.9 pounds
Carbon Monoxide10mUnit 59 South FlareNOYESNO4.7 pounds
Particulate Matter 1010mUnit 59 South FlareNOYESNO0.1 pounds
Particulate Matter 2.510mUnit 59 South FlareNOYESNO0.1 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs)10mUnit 59 South FlareNONONOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Power Failure

A compressor in Unit 12 (Platformer) experienced a loss of power which caused the compressor to shut down and pressure up. A pressure relief valve opened on the compressor and caused hydrogen to be routed to the South Flare.

Discharge Preventable - Under Investigation

Notes/Remedial Actions

Operations restarted the compressor and returned to normal operations. The incident investigation will result in recommendation items designed to prevent the recurrence of this event. There were no known off-site impacts.