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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #103091
State Police #08-00868
Accident Date2008-02-14
Report Date 2008-02-21
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
Propane18hLeak/feed line leakNONOYES116.0 pounds
Butane18hLeak/feed line leakNONOYES6,483.0 pounds
n-Butane18hLeak/feed line leakNONONO1,298.0 pounds
2,2-Dimethylpropane18hLeak/feed line leakNONOYES 
Isopentane18hLeak/feed line leakNONOYES412.0 pounds
n-Pentane18hLeak/feed line leakNONONO37.0 pounds
2,3-Dimethylbutane18hLeak/feed line leakNONOYES38.0 pounds
2-Methylpentane18hLeak/feed line leakNONOYES10.0 pounds
2,4-Dimethylpentane18hLeak/feed line leakNONOYES48.0 pounds
2,2,3-Trimethylbutane18hLeak/feed line leakNONOYES2.0 pounds
2-Methylhexane18hLeak/feed line leakNONOYES9.0 pounds
2,3-Dimethylpentane18hLeak/feed line leakNONOYES20.0 pounds
3-Methylhexane18hLeak/feed line leakNONOYES3.0 pounds
Isooctane18hLeak/feed line leakNONOYES523.0 pounds
2,5-Dimethylhexane18hLeak/feed line leakNONOYES37.0 pounds
2,3,3-Trimethylpentane18hLeak/feed line leakNONOYES48.0 pounds
2,4-Dimethylhexane18hLeak/feed line leakNONOYES35.0 pounds
2,3,4-Trimethylpentane18hLeak/feed line leakNONOYES244.0 pounds
2,3,3-Trimethylpentane18hLeak/feed line leakNONOYES295.0 pounds
2,3-Dimethylhexane18hLeak/feed line leakNONOYES43.0 pounds
2-Methylheptane18hLeak/feed line leakNONOYES2.0 pounds
4-Methylheptane18hLeak/feed line leakNONOYES2.0 pounds
3,4-Dimethylhexane18hLeak/feed line leakNONOYES9.0 pounds
3-Methylheptane18hLeak/feed line leakNONOYES1.0 pounds
2,2,5-Trimethylhexane18hLeak/feed line leakNONOYES88.0 pounds
n-Nonane18hLeak/feed line leakNONONO117.0 pounds
Isobutylene18hLeak/feed line leakNONOYES6.0 pounds
Cyclopentane18hLeak/feed line leakNONOYES15.0 pounds

Accident Classified As:

Cause of Problem: Corrosion

Corrosion/corrosion leak occurred through a 3/8 hole on the #2 feed inlet pip

Discharge Preventable - No

Due to accelarated internal and external pipe corrosion.

Notes/Remedial Actions

The tower that the corroded pipe led to was shut down and filled with water to stop residual hydrocarbon vapors from leaking out of the hole. The hole was plugged.An engineered leak box was installed on the line.