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a <br /> September 16, 1991 <br /> ARCO Service Station No. 2076, Lodi. California ro osed <br /> e soil <br /> atLVro osed lank and one <br /> o Collect and analyze sampt-we5l a�rection underreachoss 1p le bpsase of an p <br /> tank cavity in an eas <br /> sample of native soil from tite north and 500,11 sidewalls. <br /> proposed tank cavity to <br /> o Install a maximum of six conductor casings in the <br /> allow sail borings to be drilled between the new tanks at a Vater date, if <br /> necessary. <br /> 0 <br /> Collect and analyze one sample of native soil every 20 linear feet below the <br /> former product lines. <br /> for gasoline tank wlll be <br /> o Submit soil samples 10 a State-certified <br /> under the leaded gaso is e tank <br /> w an <br /> BTEX. In addition, samples <br /> analyzed for total lead. <br /> analysis reports of soil samples collected from the former <br /> o Forward laboratory product lines to the S3CPHS-EHD, <br /> and proposed tank cavities and the former P product lines. <br /> and obtain authorization to install new tanks andrds of stockpiled soil to be <br /> Collect four soil sampies from each 50 cubic ya <br /> o Colin one <br /> sample in the laboratory and analyzed for TPHg and <br /> co lett four <br /> BTEX. <br /> Collect a maximum of four composite soil samples, for total metals. d <br /> O <br /> bioassay will also be conducted to evaluate whether the soil can be classified <br /> as nonhazardous. rep stockpiled soil to the <br /> . <br /> o Forward laboratory analysis of the samples of stockpank cavity with <br /> er I <br /> S.iCPHS-EHD and obtain authorizai�sl �backfill drocarbonsnlwe will remediate <br /> stockpiled soil. if the soil contains <br /> the soil at a later date using vapor extraction. <br /> «� are a report summarizing tank removaV operations and our findings, <br /> o Prep <br /> conclusions, and recommendations. <br /> f _ <br /> 3oLW-3W <br /> k.. <br />