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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #90043
PDF AvailablePDF
State Police #06-05155
Accident Date2006-08-16
Report Date 2006-08-22
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
Benzene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES92.0 pounds
Toluene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO899.0 pounds
o-Xylene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO681.0 pounds
Naphthalene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES253.0 pounds
Xylene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO1,854.0 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs)19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO1,581.0 pounds
Volatile Organic Compounds (VOCs)19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES12,539.0 pounds
Hydrogen Sulfide19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO70.0 pounds
Xylene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO1,854.0 pounds
Pseudocumene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO1,489.0 pounds
Ethylbenzene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES330.0 pounds
Benzene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES92.0 pounds
n-Hexane19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO55.0 pounds
Cyclohexane19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES37.0 pounds
Cumene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONOYES13.0 pounds
Styrene19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO4.0 pounds
Phenol19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO2.0 pounds
Quinoline19h 20 mE-205 A/B exchanger bank on the Heavy Cat Naptha UnitNONONO2.0 pounds

Accident Classified As:

Cause of Problem: Corrosion

the E-205 A/B exchanger bank on the Heavy Cat Naptha Unit was leaking to Cooling Tower #27. The leak is believed to be from corrosion on the tube bundle.

Discharge Preventable - No

Notes/Remedial Actions

This incident was not preventable because the inspection data for this bank of exchangers did not indicate that a failure was imminent. These bundles were tested in January 2005 and were found to have no leaks. Remedial Measures - the exchanger bundle will be inspected and repaired or replaced as appropriate. The reportable quantities for benzene, toluene, naphthalene, volatile organic compounds, xylene mixed isomers, and o-xylene were exceeded. It is possible that the reportable quantities forylene and p-xylene were also exceeded, but available stream specification data does not allow differentiation between the these two isomers