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Placid Refining (2366), Port Allen

LDEQ Accident Report

Accident #137233
State Police #12-00923
Accident Date2012-02-15
Report Date 2012-02-22
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 Dioxide26hAmines process unitNOYESNO3,959.8 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Process Upset

A process unit upset caused liquid carryover to the amine treatment unit reducing the H2S scrubbing capacity and a valve was inadvertently left open allowing untreated fuel gas (high H2S) gas to mix with the refinery's fuel gas system.

Discharge Preventable - Yes

The release was preventable. No further explanation is given.

Notes/Remedial Actions

The valve was closed and fresh amine was added to restore treatment capacity