Question

    What technology involves the injection of

    contaminant-free air into the subsurface saturated zone, enabling a phase transfer of hydrocarbons from a dissolved state to a vapor phase?
    A Soil Washing Correct Answer Incorrect Answer
    B Biopile Treatment Correct Answer Incorrect Answer
    C Air Sparging Correct Answer Incorrect Answer
    D Osmosis Correct Answer Incorrect Answer

    Solution

    Air Sparging. Air sparging reduces concentrations of volatile constituents in petroleum products in soils and dissolved in groundwater.

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