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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #140446
State Police #12-03719
Accident Date2012-06-13
Report Date 2012-06-20
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
Volatile Organic Compounds (VOCs)NIGLine 679 in the Gas Collection areaNONOYES9,887.5 pounds
Flammable VaporNONOYES9,887.5 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Corrosion

There was a leak in line 679 in the Gas Collection area, due to unanticipated corrosion of the piping. Identified the corrosion was not noted in previous inspection and a clamp was used until the pipe could be replaced.

Discharge Preventable - No

During the last inspection in August 2008, the potential for corrosion on this area of piping had not been identified.

Notes/Remedial Actions

The line was isolated to be de-pressured, and all hydrocarbon material was removed from the line. A clamp was installed on the line to prevent recurrence, and other areas of the piping have been inspected for potential corrosion. Other areas of the line have been inspected for potential corrosion. Piping areas identified to have reduced wall thickness will be replaced by the end of 2012. The RQ for Flammable vapor is 1,000 pounds, and the RQ for VOCs is 5,000 pounds.