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|State Police #||09-02111|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||17 minutes||308F-D-1 (Low Pressure Flare)||NO||YES||NO||1,871.0 pounds|
|Hydrogen Sulfide||17 minutes||308F-D-1 (Low Pressure Flare)||NO||NO||NO||18.9 pounds|
|Nitrogen Oxide||17 minutes||308F-D-1 (Low Pressure Flare)||NO||YES||YES||5.1 pounds|
|Hydrocarbon||17 minutes||308F-D-1 (Low Pressure Flare)||NO||NO||YES||52.1|
Accident Classified As:
On April 30, 2009 at approximately 2:40 AM, the Coker compressor unexpectedly tripped off-line. At approximately 2:41 AM the suction drum flare valve opened, which it is designed to do when the compressor experiences an unexpected complete shutdown. The suction stream is automatically diverted to the Low Pressure Flare (308F-D-1) during an emergency shutdown.
Unexpected trip of the Coker Compressor due to a false signal inc he compressor suction drum vessel.
The compressor was started and brought online following review of alarm and trip logs.