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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 139413 |
| State Police # | 12-02740 |
| Accident Date | 2012-05-04 |
| Report Date | 2012-05-04 |
| Follow-up Date | 2013-07-01 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Oil | 2 h | Tank 778 | NO | NO | NO | 63.0 gallons |
Accident Classified As: Reportable Quantity
Cause of Problem: Seal or Gasket
On May 4, 2012, at approximately 1:00 pm, there was an oil spill to soil at the ExxonMobil Baton Rouge Refinery. Operations personnel in the area detected a hydrocarbon odor resulting from a leaking mixer seal on tank 778.
Discharge Preventable - Under Investigation
A root cause investigation is being conducted to determine the cause of failure and actions to prevent recurrence. Final investigation results will not be available until the mixer seal is available for inspection during next planned internal inspection and tank cleaning interval. It is important to note that the seal in isolated and there are no ongoing leaks from this tank.
Notes/Remedial Actions
The spill was discovered on May 4, 2012 at 2:50 pm, and the line was isolated by 3:00 pm. Spill containment measures were implemented immediately to minimize the environmental impact. The tank mixer seal was locked in order to isolate the leak, and soil remediation was completed on May 7, 2012. The mixer seal will remain locked until permanent repairs can be completed during the next planned internal section and cleaning interval for Tank 778. Routine rounds to monitor the tank mixer will be completed. A 60-day follow up letter was sent about 11 months after the incident.
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