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ExxonMobil Chemical Plant (286), Baton Rouge
LDEQ Accident Report
| Accident # | 77758 |
| State Police # | 05-0920 |
| Accident Date | 2005-03-22 |
| Report Date | 2005-03-28 |
| Follow-up Date | 0000-00-00 |
| Follow-up: |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Propane | 5h 40m | flange | NO | NO | YES | 280.2 pounds |
| Propylene | 5h 40m | flange | NO | NO | YES | 117.2 pounds |
| Isopropyl Ether | 5h 40m | flange | NO | NO | NO | 4.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Seal or Gasket
An assistant operator found a flange on a level instrument tap leaking at the top of a tower. Immediately the tower feed was shut off, and the operator began to controllably depressure the tower to the flare system so that the leak could be repaired.
Discharge Preventable - No
This was an unpredictable flange gasket failure. The gasket was made of a material compatible with this service.
Notes/Remedial Actions
Immediately feed was cut out of the tower. It was depressured as quickly as possible so that the leak could be repaired. The flange gasket has been replaced. Per ExxonMobil Chemical's usual procedures, the next time the tower is scheduled to go on turnaround at the end of 2006, all the tower gaskets will be replaced.
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