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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #111957
State Police #09-00170
Accident Date2008-01-11
Report Date 2009-01-16
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 DioxideNo Information Givenflare and PCLA F-301/F-201 furnaceNOYESNO633.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

Emergency isolation valve on GLA-2X compressor failed to close. This caused pressure build up in PCLA system, in which the control valve routed the excess gas to the flare system.

Discharge Preventable - No

Motor on an emergency isolation valve malfunctioned, causing the control valve to close unexpectedly.

Notes/Remedial Actions

Under investigation. Exceeded RQ due to the combination from the flare and the PCLA F-301/F-201 furnace leaks (LSP Incident #08-07087).