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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #121972
State Police #10-01189
Accident Date2010-03-06
Report Date 2010-03-12
Follow-up Date 2010-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide1h 27mFLARE - North Ground FlareNOYESNO1,101.0 pounds

Accident Classified As:

Cause of Problem: Instrument Failure

Instrument malfunction in the Hydrocracking Unit caused liquid material to be routed to the GME Crude Unit overhead gas system, compressor shut down, routed to flare until liquid was drained. FLARE.

Discharge Preventable - No

"Malfunction of the new instrumentation is an unforeseeable failure," still under investigation.

Notes/Remedial Actions

RQ. Exceeded reportable quantities during this incident; detailed emissions report included. Technicians troubleshooting malfunction.