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|State Police #||13-00617|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Ethylene||45M||convention tube on C furnace||NO||NO||YES||6.7 pounds|
|Propylene||45M||convention tube on C furnace||NO||NO||YES||0.2 pounds|
|Butadiene||45M||convention tube on C furnace||NO||NO||YES||0.2 pounds|
|Benzene||45M||convention tube on C furnace||NO||NO||YES||0.2 pounds|
|Hydrogen||45M||convention tube on C furnace||NO||NO||NO||BRQ|
|Methane||45M||convention tube on C furnace||YES||NO||YES||BRQ|
|Ethane||45M||convention tube on C furnace||NO||NO||YES||BRQ|
Accident Classified As: Below Reportable Quantity (BRQ)
On February 10, 2013, a release of uncombusted ethylene (6.7 pounds), propylene (0.2 pounds), butadiene (0.2 pounds), butadiene (0.2 pounds), benzene (0.2 pounds), and other gases in smaller amounts (hydrogen, methane, and ethane). The incident began at 1000 hours and ended at 1045 hours. The release was caused due to a leaking tube in a steam cracking furnace (furnace C), which caused feed to enter the furnace. It was stated that most of the gases combusted inside the furnace. Some did not combust inside. The feed was stopped and the leaking tube later filled with water to prevent feed from entering that tube.
The leaking tube was filled with water to prevent feed from entering tube. The tube was reported to stay in this condiction until a more feasible time to replace or repair the tube and would not affect the operation of the furnace.