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|State Police #||07-05491|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Highly Reactive Volatile Organic Compounds (HRVOCs)||No information given.||No information given.||NO||NO||NO||BRQ|
Accident Classified As: Below Reportable Quantity (BRQ)
The event started around 21:30 on Sept. 13, 2007, when an outlet pipe of the LPG Caustic Prewash Column (V-10-24) failed, causing liquid/vapor LPG (alky feed) to be released to the atmosphere. The system was isolated, and the remaining material vented to the flames at approximately 02:45 on Sept 20, 2007. The depressurization lasted about 3 hrs.
Remedial Actions: Shut down the upstream unit FCCU (MSCCU), isolated and depressurized the vessel, and replaced the failed pipe. / Pollutants: Some material was entrained in fire water used to suppress the release. The remaining material dispersed into the atmosphere. Fire water was treated at the refinery wastewater treatment plant.