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|State Police #||07-3336|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||6 h 13 m||308F-D1 Low Pressure Flare||NO||YES||NO||683.8 pounds|
|Hydrocarbon||6 h 13 m||308F-D1 Low Pressure Flare||NO||NO||YES||42.9 pounds|
|Hydrogen Sulfide||6 h 13 m||308F-D1 Low Pressure Flare||NO||NO||NO||6.9 pounds|
|Nitrogen Oxide||6 h 13 m||308F-D1 Low Pressure Flare||NO||YES||YES||4.5 pounds|
Accident Classified As:
The Delayed Coking Unit was in hot circulation and preparing for startup after unexpectedly losing its coke cutting water pumps and its compressor (891 K-1) tripped off line due to high liquid level in the compressor suction drum 891-V-12, unexpectedly carried over to V-15. The compressor's suction stream is automatically diverted to the Low Pressure Flare during an emergency shutdown.
Refinery claims that the high level in the compressor suction drum was not anticipated.
Investigation to determine the cause of liquid carryover from the Delayed Coking Unit combination tower overhead drum. The refinery claims that there was no offsite impact.