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I..1 <br /> APPENDIX B <br /> FEASIBILITY STUDY <br /> A feasibility study was conducted to develop an appropriate <br /> remedial action plan for recovery, treatment, and disposal of <br /> hydrocarbon constituents in the ground water at the site, if <br /> determined to ns warranted at a later date. Appropriate <br /> general response actians, available technologies, and viable <br /> remediation alternatives for the site were evaluated. Based <br /> on technical, environmental and economic factors, a preferred <br /> system for ground water remediation was recommended. <br /> The general objective of any remedial action is to reduce the <br /> toxicity, mobility, or volume of contaminated materials in a <br /> manner that will protect both public health and the <br /> environment. The specific objective for this site is to <br /> reduce the concentrations of petroleum hydrocarbon <br /> constituents (TPS-G and BTEX) in ground water to a--ceptable <br /> concentrations. <br /> There are numerous combinations of available remedial <br /> technologies for collection and treatment of the petroleum <br /> hydrocarbon-affected ground water and for discharge of <br /> site <br /> treated water. Selection of the appropriates option <br /> nais extent <br /> specific and depends on the geology, y g aas well s <br /> of the hydrocarbons in the subsurface remedial alternativesy <br /> requirements. POL.O__n__ally app <br /> including applicable alternatives listed in the Regional <br /> Water Quality Control Board Reporting Requirements, Central <br /> ' Valley Region (RWQCB, 1988) , are listed below: <br /> Remedial Technology Types Remedial Options <br /> Collection Recovery Wells <br /> Subsurface Trench & Drains <br /> Treatment Biological Treatment <br /> Air stripping <br /> Carbon Absorption <br /> Ultraviolet Light/Hydrogen Peroxide <br /> Discharge Reinjection <br /> offsite..Disposal <br /> Onsite Disposal <br />