What is Stage I Vapor Recovery Systems?
“Stage I” refers to a vapor recovery system that controls the emission of gasoline vapors into the atmosphere during the transfer of gas from a gasoline tank truck to a gasoline storage tank at a Gasoline Dispensing Facility (GDF). A properly operating Stage I vapor recovery system returns vapors to the gasoline tank truck. The equipment and controls of a Stage I system also control the emission of gasoline vapors during the storage of gasoline vapors at a GDF.
What is Stage II Vapor Recovery Systems?
“Stage II” refers to the vapor recovery system that controls the emission of vapors during the transfer of gasoline from a gasoline storage tank at a GDF to a motor vehicle fuel tank. A Stage II vapor recovery system also controls emissions into the the atmosphere of vapors during the storage of gasoline at a GDF. Stage II vapor recovery technology uses special refueling nozzles, dispensing hoses and a system that draws refueling vapors in the Underground Storage Tank (UST). A properly operating Stage II system moves the gasoline vapors from the motor vehicle fuel tank druing the refueling of the vehicle into the UST at the GDF.
What Happens After Decommissioning Takes Place?
For those entities that need to decommission their Stage II vapor recovery system by December 31, 2022, a notification form needs to be completed and submitted to the appropriate DEP regional office, Allegheny County Health Department, or Philadelphia Air Management Services.