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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #136303
State Police #12-00083
Accident Date2012-01-05
Report Date 2012-01-12
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
HydrogenNo information givenflange on ICN unitNONONO60.7 pounds
MethaneNo information givenflange on ICN unitYESNOYES7.9 pounds
EthaneNo information givenflange on ICN unitNONOYES1.4 pounds
PropaneNo information givenflange on ICN unitNONOYES1.0 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Seal or Gasket

A contractor detected a hydrogen smell on compressor C-830. A flange on the ICN unit leaked Hydrogen. The leak rate was 100lbs/hr.

Discharge Preventable - No Information Given

No information given.

Notes/Remedial Actions

Unit personnel tightened the flange and the leak was isolated. No RQs were exceeded. 60.7 pounds of hydrogen, 7.9 pounds of methane, 1.4 pounds of ethane, and less than a pound of propane was released.