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• <br />• <br />Chevron Products company <br />Former Chevron Service Station #9-5775, 301 West Kettleman [ane, Lodi, California <br />17 <br />June 5, 2001 <br />REMEDIAL OPTION ESTIMATED COST OPTION FEASIBLE COMMENTS 'S <br />Overexcavation $450,000 ($90/cubic No Does not address <br />yard) plume migration <br />I{ Sensitive Receptor Removal <br />Abandon and <br />$1,000,000 <br />No City of Lodi does <br />Replace Well 12 <br />not feel necessary <br />guaranteed <br />at this time <br />Well Head <br />$350,000 <br />No Extended duration <br />Treatment <br />could pose <br />for implementation <br />Remove from <br />$24,000 ($2,000 per <br />Yes Well would <br />active service <br />month for one year) <br />operate on <br />emergency status <br />Enhanced Groundwater <br />Extraction <br />Angled Extraction $45,000 <br />No Successful <br />Well <br />completion of the <br />well is not <br />guaranteed <br />Two extraction $85,000 <br />Yes Trenching across <br />wells south of <br />Kettleman Lane <br />Kettleman Lane <br />could pose <br />problems <br />7.0 PROPOSED SCOPE OF WORK AND SCHEDULE FOR COMPLETION <br />Assuming the acceptance of the PAR/FRP Addendum the proposed scope of work and schedule <br />for the completion of the FRP is as follows <br />7.1 Scope of Work <br />The scope of work for enhancing the remediation system will include (1) drilling two groundwater <br />extraction wells south of Kettleman Lane and (2) trenching and plumbing in extraction well piping <br />In addition, SECOR will continue its efforts to remove Well 12 from active operation <br />I1Chemn1957751ParFrpl9-5775PARFRP2 doc <br />