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|State Police #||09-0290|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||17h||Valve||NO||YES||NO||6,250.0 pounds|
|Hydrogen Sulfide||17h||Valve||NO||NO||NO||15.0 pounds|
Accident Classified As:
An upset of the refinery's evulated-bed residuum hydrocracker (H-Oil Unit)cause the emitting of sulfur dioxide and hydrogen sulfide from flaring of hydrogen and hydrocarbons. A valve failure most likely caused the incident.
Operations took action to begin the process of stabilizing, slowing down and shutting down the H-Oil Unit, as necessary.