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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 90043 |
| State Police # | 06-05155 |
| Accident Date | 2006-08-16 |
| 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 |
| Benzene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 92.0 pounds |
| Toluene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 899.0 pounds |
| o-Xylene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 681.0 pounds |
| Naphthalene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 253.0 pounds |
| Xylene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 1,854.0 pounds |
| Highly Reactive Volatile Organic Compounds (HRVOCs) | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 1,581.0 pounds |
| Volatile Organic Compounds (VOCs) | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 12,539.0 pounds |
| Hydrogen Sulfide | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 70.0 pounds |
| Xylene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 1,854.0 pounds |
| Pseudocumene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 1,489.0 pounds |
| Ethylbenzene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 330.0 pounds |
| Benzene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 92.0 pounds |
| n-Hexane | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 55.0 pounds |
| Cyclohexane | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 37.0 pounds |
| Cumene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | YES | 13.0 pounds |
| Styrene | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 4.0 pounds |
| Phenol | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 2.0 pounds |
| Quinoline | 19h 20 m | E-205 A/B exchanger bank on the Heavy Cat Naptha Unit | NO | NO | NO | 2.0 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
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