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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #136880
State Police #12-00631
Accident Date2012-02-01
Report Date 2012-02-08
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
Hydrogen Sulfide8mFlare #17NONONO0.1 pounds
Sulfur Dioxide8mFlare #17NOYESNO23.0 pounds
Nitrogen Oxide8mFlare #17NOYESYES1.0 pounds
Nitrogen Dioxide8mFlare #17NOYESYES0.2 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

The Alkylation Unit lost a cooling tower pump (P-451B), which resulted in the D-301 safety valve lifting and venting to flare #17 for 8 minutes.

Discharge Preventable - No Information Given

Notes/Remedial Actions

ExxonMobil later determined that no reportable quantities were exceeded.