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6eac4n Yo. 696 - Lod. ~ <br /> Work Plan <br /> -- Page No, 14 <br /> During drilling, soil samples from the borings will be collected at 5 foot <br /> intervals, or at obvious sedimentary contacts, using a <br /> California-modified, split-spoon sampler equipped with clean brass sleeves <br /> using the protocols described in the appendix. <br /> f , <br /> The borings will be advanced approximately IO feet beyond the depth that <br /> �I <br /> ground water is encountered in Zone 5 and the monitoring wells will be <br /> constructed following the procedures presented in the attached appendix. <br /> Subsequent water sampling will be conducted following the procedures <br /> presented in the appendix. <br /> The five wells to be abandoned will be overdriiled with casing and well <br /> {€ materials removed. The boring will then be tremied with a <br /> cement/bentonite slurry from the total depth of the boring to the surface. <br /> Lir,,,, ors► An )y .. <br /> An estimated two soil sample from each borehole (e•a• <br /> , e sample <br /> mpl e <br /> associated with the highest'OVbi reading and the sample just above the. <br /> �T saturated zone) will be selected for laboratory analysis. The selected <br /> j. <br /> samples will be analyzed in the laboratory for BTEX, using EPA approved <br /> methods, and TPH by modified LUFT Guideline methodologies. Detection <br /> � . n <br /> —i limits suitable,for the soil tests requested and concentrations present <br /> i. will be .stated an the laboratory reports. Copies of the laboratory <br /> i'epoi^ts—will .be included .in our final report. <br />