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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 105932 |
| State Police # | 08-03014 |
| Accident Date | 2008-05-25 |
| Report Date | 2008-05-30 |
| Follow-up Date | 2008-08-29 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Flammable Vapor | 28h | Pressure vacuum vent release | NO | NO | YES | 626.0 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Instrument Failure
Due to excess hydrocarbons in the tanks, the vapor recovery system became overwhelmed and the pressure exceeded the setpoint of the PV vents. Excess hydrocarbons was carryunder from an upstream acid settler drum that had a malfunctioning level instrument.
Discharge Preventable - Yes
Notes/Remedial Actions
Hydrocarbon source was blocked from tanks. The reportable quantity for flammable vapor was exceeded.
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