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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #No LDEQ Number Available
State Police #12-01059
Accident Date2012-02-22
Report Date 2012-02-27
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
Propylene2munit 46, propylene splitterNONOYES65.1 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Maintenance/Procedures

fire occurred when residual material in a line was ignited during the removal of a valve

Discharge Preventable - No

The line was cleared and nitrogen-purged; there was no way to tell that a small amount of propylene was leaking by a closed valve.

Notes/Remedial Actions

Personnel in the area used fire extinguishers to put out the fire. Blinds were installed on the line to contain the material leaking by the block valve. There was a subsequent release of propylene after the initial release that was not known at the time of the verbal report with a combined quantity of 65 lbs.