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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #79338
PDF AvailablePDF
State Police #05-03418
Accident Date2005-05-25
Report Date 2005-05-31
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
Sulfuric Acid5h 50mWBT 01 TowerNONONO2,792.0 pounds
Propylene5h 50mWBT 01 TowerNONOYES511.0 pounds
Propane5h 50mWBT 01 TowerNONOYES179.0 pounds
Isopropanol5h 50mWBT 01 TowerNONONO1,448.0 pounds
Water5h 50mWBT 01 TowerNONONO965.0 pounds

Accident Classified As:

Cause of Problem: Corrosion

Small hole on WBT 01 Tower. This is an absorber tower which contains flammable gas. On examining the hole in the tower they shut it down.

Discharge Preventable - No

Notes/Remedial Actions

Immediately feed was cut out of the tower, water spray was applied to the leak to help minimize the vapors, and the weep hole was plugged. The area surrounding the leak was ultrasonically tested and found to be of acceptable thickness. A more intense UT scan was performed over the entire vessel and confirmed to be of acceptable thickness. The leaking tell-tale hole was plugged per mechanical design standards. About 1/3 of the vessel is being sand-blasted and visually inspected to verify that there are not any unplugged tell-tale holes remaining.