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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #90822
State Police #No Information Given
Accident Date2006-07-05
Report Date 2006-09-11
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
Carbon Monoxide12mF-201 FurnaceNOYESNO2,529.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

during a routine maintenance check of the air feed system on the F-201 furnace, air flow into the furnace was unexpectedly lost when an air louver failed to open

Discharge Preventable - No

Notes/Remedial Actions

This incident was not preventable because the failure of this system was unexpected and there were no known indications that this system would fail. Remedial Measures - an investigation is ongoing and the appropriate follow-up actions will be completed. During this Upset, the MACT II concentration limit for carbon monoxide and the maximum hourly permit limit for carbon monoxide were exceeded at the wet gas scrubber. The failure of the air feed system is covered under the unit's Startup, Shun, Malfunction Plan and is considered a malfunction. The exceedence of the permit limit is considered and upset pursuant to LAC 33:III.507.J. Exxon intends to claim the Upset Provision affirmative defense pursuant to LAC 33:III.507.J. Carbon Monoxide