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Work Plan, Excavation and Soil Sampling April 24, 1989 <br /> ARCO Service Stdtion No. 760, Lodi, California 38048-2W <br /> Soil Sam -ling <br /> upon subjective evaluation that contaminated soil has been <br /> removed by excavation, soil samples will be collected from the <br /> native soil at the base and walls of she excavation. Sample <br /> locations will be chosen based on subjective evaluation of <br /> contamination. The approximate locations of the soil samples <br /> within the excavation will be shown on the Generalized Site Plan <br /> in our letter report. <br /> The samples will be taken using a hand-operated percussion <br /> sampler to drive a clean brass sample sleeve into the soil in the <br /> backhoe bucket immediately after it is brought to the surface. <br /> Before the samples are preserved for laboratory analysis, the <br /> soil will be evaluated for relative degree of contamination using <br /> an OVA. The sleeve will be removed from the sampler, sealed with <br /> aluminum foil, plastic caps, and airtight tape, labeled, and <br /> placed in iced storage. A Chain of Custody Record will be <br /> initiated by the geologist In the field and will accompany the <br /> soil samples to the analytical laboratory. <br /> Stockpiled soil will be sampled by scraping three inches of soil <br /> from the surface, and then driving a clean, brass sample sleeve <br /> v <br /> 7 <br /> Applied GMSYSMMS — <br />