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Corrective Action Plan 13 <br /> 4 ime Oil Company Property No 04-049 14000 East Highway 88 Locl.eford CA September 8 1998 <br /> 4.0 EVALUATION OF REMEDIATION ALTERNATIVES <br /> 41 GROUNDWATER AND SOIL REMEDIATION GOALS <br /> Based on the R 3CA analysis conducted in Section 3 0, remediation of soil and groundwater <br /> beneath the Site is necessary for protection of human health Risk-based cleanup levels for the <br /> Site are the SSTLs presented in Table 8 Remediation alternatives for the Site are evaluated for <br /> economic feasibility based on these SSTLs The objective of this remediation is removal and/or <br /> in-situ destruction of hydrocarbons in soil and groundwater to below risk-based cleanup levels <br /> 4.2 EVALUATION OF REMEDIAL ALTERNATIVES <br /> SECOR evaluated several technologies to remediate hydrocarbons in soil and groundwater at the <br /> Site Only alternatives that would address both soil and groundwater were evaluated The <br /> considered alternatives, estimated time line to closure, and respective costs are as follows <br /> 1) Groundwater Extraction with Soil Vapor Extraction - Operation of a SVE system would <br /> require approximately 2 years, but operation of a groundwater extraction system could <br /> require up to 10 years <br /> Task Unit Cost Total Cost <br /> Design and Permitting $5,000 $5,000 <br /> Equipment Purchase/Rental $35,000 $35,000 <br /> System Installation (incl wells) $45,000 $45,000 <br /> Operations & Maintenance (10 yrs) $18,000/year $180,000 <br /> Monitoring & Sampling (10 yrs) $9,000/year $90,000 <br /> Well Destruction/Site Restoration $20,000 $20,000 <br /> Total $375,000 <br /> Tmie 0&l\Lockeford\CAP wpd <br />