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|State Police #||13-02142|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||20m||Flare system, fluidized catalytic cracking unit wet gas scrubber stack, and process heaters||NO||YES||NO||BRQ|
Accident Classified As: Below Reportable Quantity (BRQ)
On May 16 at approximately 7:20 AM, a bird struck the Alkylation Unit's electric power feeder and caused a power trip shutdown to the Alky/Pressure area as well as a power dip on the West Side of the refinery. The event resulted in flaring and also initiated steam load shedding, which resulted in a heater trip on Vacuum Pipe Still No. 1. Caustic charge to the FCCU WGS was momentarily lost due to the power dip, which may have resulted in permitted emissions limitation exceedances.
Immediate action to correct upset condition and all reasonable steps to limit excess emissions taken. Process upset resulted in flaring. No other specific remedial actions given. Motiva initially reported a potential sulfur dioxide exceedance, but after further calculations the total sulfur dioxide emissions were BRQ.