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0 0 <br /> SOIL INVESTIGATION WORKPLAN <br /> 200 North Beckman Road <br /> Lodi, San Joaquin County, California <br /> 1.0 INTRODUCTION <br /> This Workplan has been prepared by ALFA for submission to the San Joaquin <br /> County Environmental Health Department ("EHD"). One exploratory soil boring <br /> will be drilled, samples collected and analyzed to determine if any hydraulic oil <br /> exist in the hydraulic lift area. <br /> Prior to conducting field activities, a Health and Safety Plan (HASP) will be <br /> prepared for the proposed field sampling activities. Prior to conducting field <br /> activities , ALFA will conduct a site visit to mark the direct-push sampling locations <br /> as required by Underground Service Alert for underground utility identification. <br /> Prior to conducting field activities, a drilling permit will be obtained from the EHD. <br /> The vertical extent of affected soils (if any) will be defined by analyzing soil <br /> samples collected during the drilling of one (1) soil boring. <br /> The proposed soil boring location is presented on Figure 1, attached. <br /> The boring will be advanced using Geoprobe°/Hydro-punch direct push <br /> equipment. All samples will be logged by a California-Registered Professional <br /> Geologist (PG #7503) using the Unified Soil Classification System (USCS) per <br /> American Society for Testing and Material (ASTM) method D-2488. A 2-3/8-inch <br /> diameter dual-tube sampling rod will be hydraulically advanced to collect <br /> continuous in-situ soil samples. The sample rod, with a clear polyvinyl chloride <br /> (PVC) liner inside it, will be advanced at four-foot intervals. To collect the <br /> sampling rod will then be withdrawn along with the soil-containing PVC liner. A <br /> new PVC tube liner will be attached to the sample retrieval rods and the process <br /> repeated at 4-foot intervals to reach the targeted sample depth. <br />