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i 14 <br /> Remedial Action Plan RE: 425 W. Larch Street, Tracy, CA M <br /> October I, 2008 W&A Project No. : FTIM-08-002 <br /> Summary of Remedial Alternative Costs <br /> Frontier Transportation, Inc. <br /> 425 W. Larch Road <br /> Tracy, CA 95376 <br /> Remedial Alternative Assumptions Cost <br /> Groundwater Extraction The groundwater extraction system will 1 . Well Installation (2 wells) $22,500 <br /> and Treatment consist of 2 new extraction wells and 3 2. Application to sewer $39000 _ <br /> existing wells, with each well extracting 3 . Design, Equipment, Permitting and <br /> $ 165,000 <br /> approximately 2gpm . The treatment Construction - <br /> system will consist of three 1000-pound 4. Life Cycle (O&M-7 years) $65 ,000 <br /> carbon vessels and associated 5 . Sewer Fees (7 years) $59,000 <br /> instrumentation to monitor flow and 6. Utility Cost (O&M-7 years) $94800 <br /> control performance. Disposal to sewer is 7. Laboratory Cost (O&M-7 years) $21,000 <br /> assumed possible. Operation of the GETS 8. Monitoring Cost (7 yrs + 3 yrs) $340,000 <br /> system is assumed to reduce COC <br /> concentrations to levels approaching li <br /> cleanup goals/NA in approximately 7 <br /> i <br /> years, hence this time period is used for Total $685,300 <br /> estimating life cycle and utility casts. Past <br /> remedial groundwater monitoring for an <br /> additional 3 years after completion of <br /> yam/ WWM9NKETM E as50Ct NfES, tNC. <br /> ��s'7 Fn.mexiew fl suci Ceusu Isc. <br />