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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | No LDEQ Number Available |
| State Police # | 05-04741 |
| Accident Date | 2005-07-13 |
| Report Date | 2005-07-19 |
| 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 |
| Hydrogen | 2 hours, 30 minutes | tank732 | NO | NO | NO | 45.0 pounds |
| Hydrogen Sulfide | 2 hours, 30 minutes | tank732 | NO | NO | NO | 13.0 pounds |
| Ammonia | 2 hours, 30 minutes | tank732 | NO | NO | NO | 1.0 pounds |
| Methane | 2 hours, 30 minutes | tank732 | YES | NO | YES | 500.0 pounds |
| Ethane | 2 hours, 30 minutes | tank732 | NO | NO | YES | 1,753.0 pounds |
| Propane | 2 hours, 30 minutes | tank732 | NO | NO | YES | 963.0 pounds |
| Isobutane | 2 hours, 30 minutes | tank732 | NO | NO | YES | 107.0 pounds |
| n-Butane | 2 hours, 30 minutes | tank732 | NO | NO | NO | 119.0 pounds |
| Isopentane | 2 hours, 30 minutes | tank732 | NO | NO | YES | 17.0 pounds |
| n-Pentane | 2 hours, 30 minutes | tank732 | NO | NO | NO | 7.0 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
C-830 compressor shut down causing ICN unit to shutdown. F-761 control valve was left on control to allowing the liquid level in the ICN product stabilizer tower to continue to tank732. Excess flammable vapor was released.
Discharge Preventable - Yes
Notes/Remedial Actions
it was discovered that the F-761 control valve had not been closed, so it was closed once discovered and the release stopped; procedures will be reviewed and appropriate corrective actions will be ma
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