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|State Police #||05-07995|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Nitrous Oxide||19 h 29 m||Unit Main Air Blower, RCCU Flare (EPN 8-84)||YES||YES||YES||371.0 pounds|
|Sulfur Dioxide||19 h 29 m||Unit Main Air Blower, RCCU Flare (EPN 8-84)||NO||YES||NO||3,991.0 pounds|
|Carbon Monoxide||19 h 29 m||Unit Main Air Blower, RCCU Flare (EPN 8-84)||NO||YES||NO||2,125.0 pounds|
|Particulate Matter||19 h 29 m||Unit Main Air Blower, RCCU Flare (EPN 8-84)||NO||YES||NO||43.0 pounds|
|Volatile Organic Compounds (VOCs)||19 h 29 m||Unit Main Air Blower, RCCU Flare (EPN 8-84)||NO||NO||YES||1,040.0 pounds|
Accident Classified As: Reportable Quantity
RCCU experienced instrument protective function shutdown activation of the unit's MAB just prior to the release. There was low oil pressure detected, therefore the MAB shut down automatically. The RCCU is dependent on the MAB for functioning.
Following the release, all units were secured and steps were taken to minimize emissions to flare resulting from the release. To prevent recurrence, analysis of the dynamics of the MAB lube oil system will take place in addition to implementing mechanical improvements such as: Relocation of pressure transmitters on MAB turbine, reduction of trim on P-7035 governor valve, installation of a time delay in the ICS trip logic for MAB machine, replacement of bearing oil regulation during the next RCCU turnaround, and installation of a new control oil regulator during the next RCCU turnaround.