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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #86453
State Police #06-01541
Accident Date2006-03-13
Report Date 2006-03-20
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
Highly Reactive Volatile Organic Compounds (HRVOCs)65h 19minE-553B Exchanger at the cokerNONONO72.0 pounds
1,3-Butadiene65h 19minE-553B Exchanger leak at the cokerNONOYES39.0 pounds
Hydrogen Sulfide65h 19minE-553B Exchanger leak at the cokerNONONO2,759.0 pounds
Volatile Organic Compounds (VOCs)65h 19minE-553B Exchanger leak at the cokerNONOYES26,738.0 pounds
Hexane65h 19minE-553B Exchanger leak at the cokerNONONO832.0 pounds
Toluene65h 19minE-553B Exchanger leak at the cokerNONONO65.0 pounds
Cyclohexane65h 19minE-553B Exchanger leak at the cokerNONOYES57.0 pounds
Xylene65h 19minE-553B Exchanger leak at the cokerNONONO6.0 pounds
Ethylbenzene65h 19minE-553B Exchanger leak at the cokerNONOYES6.0 pounds
Benzene65h 19minE-553B Exchanger leak at the cokerNONOYES179.0 pounds

Accident Classified As:

Cause of Problem: Corrosion

-the E-553B exchanger on the Coker was leaking to Cooling Tower #44. The leak is believed to be from the corrosion on the tube bundle.

Discharge Preventable - No

Notes/Remedial Actions

Remedial measures - The leaking tube on the E-553 exchanger will be plugged and the exchanger will be pressure tested before it is returned to service. The accident was not preventable because the exchanger had not leaked previously and the tube bundle was approximately 18 months old. The report letter to LDEQ states that the reportable quantities for benzene, hydrogen sulfide, volatile organic compounds, and 1,3-butadine were exceeded.