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Stage II, a program created to control the emission of gasoline vapors at filling stations, is the second step created to control the emission of gasoline vapors. Stage II takes Stage I one step further by capturing vapors that are emitted while motorists refuel their automobiles. Stage II pumps can be identified by a bellows-shaped nozzle cover or tiny holes at the top of the nozzle that prevent gas vapors from being released into the air. The vapors are captured by the cover or holes and returned to the fuel storage tank where they are stored to be incinerated or condensed. Safety at the Gas Pump: Static Electricity
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To
reduce the amount of smog-forming chemicals in Southwest Ohio’s air, the state
required gas stations to reduce the levels of vapors released at filling stations. In
order to accomplish this, two programs were created, Stage I and Stage II. Stage I, the
first step, was designed to capture the gasoline vapors as tanker trucks fill the
underground gasoline storage tanks at gas stations. When gasoline tankers deliver fuel
through hoses to the storage tanks, vapors are recaptured and stored back in the tanker
truck instead of being released into the air.
