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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #85263
PDF AvailablePDF
State Police #06-00380
Accident Date2006-01-19
Report Date 2006-01-25
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
Hydrogen25mNo. 2 Powerformer Unit T-4XNONONO16.0 pounds
Carbon Dioxide25mNo. 2 Powerformer Unit T-4XYESNONO3.0 pounds
C125mNo. 2 Powerformer Unit T-4XNONONO228.0 pounds
C225mNo. 2 Powerformer Unit T-4XNONOYES49.0 pounds
Ethylene25mNo. 2 Powerformer Unit T-4XNONOYES4.0 pounds
C325mNo. 2 Powerformer Unit T-4XNONONO25.0 pounds
Propylene25mNo. 2 Powerformer Unit T-4XNONOYES4.0 pounds
Butane25mNo. 2 Powerformer Unit T-4XNONOYES8.0 pounds
Nitrogen25mNo. 2 Powerformer Unit T-4XNONONO40.0 pounds
Hydrogen Sulfide25mNo. 2 Powerformer Unit T-4XNONONO 

Accident Classified As:

Cause of Problem: Corrosion

a leak on the shell of their tower (T-4X) is believed to have been caused from the failure of the mortar in the joints of the tile which lines the inside of the tower, which allowed acid to attack the carbon steel shel

Discharge Preventable - No

Notes/Remedial Actions

Incidents 06-00380, 06-00401 occurred simultaneously on January 19th and on Jan. 20th 06-00406 occurred, overlapping with the first two. The reportable quantities for highly reactive volatile organic compounds and flammable vapors were exceeded when the emissions from these three events were summed over the first 24 hour period beginning with the initiation of the release from the No. 2 Powerformer Unit. With regard to the 24 hour period beginning with the release at the MTBE Unit, there wereeportable quantity exceedances for this period of time. The emissions limit exceeded the reportable quantity threshold only during the time when all three incidents were taking place simultaneously. The mortar in T-4X will be replaced with a Furan r