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r <br /> i <br /> Work Plan, Excavation and Soil Sampling April 24, 1989 <br /> ARCO Service Station No. 760, Lodi, California 38048-2W <br /> into the soil. Each sample will be prepared for shipment to the <br /> laboratory using the protocol described above. Three sample <br /> sleeves will be collected for every 25 yards of excavated soil. <br /> Each group of three sample sleeves will be composited into one <br /> sample by the analytical laboratory. The stockpiled soil will be <br /> placed on and covered with plastic sheeting. Disposal of <br /> excavated soil remains the responsibility of ARCO. Applied <br /> GeoSystems can arrange for disposal and treatment of contaminated <br /> soil with the authorization of ARCO for an additional cost. <br /> LABORATORY ANALYSES <br /> Soil samples will be analyzed for the following constituents as <br /> specified by the SJLHD: <br /> o TPH as gasoline by EPA preparation method 5030 and <br /> modified EPA Method 8015 (low boiling point) and <br /> TPH as diesel by EPA preparation method 3550 and <br /> modified EPA Method 8015 (high boiling point) ; <br /> o BTEX and 1,2-dichlorobenzene by EPA Method 8020 <br /> 0 TOG by EPA Preparation Method 3550 and EPA Method 503e; <br /> o Heavy metals (lead) by methods approved by the DHS; <br /> Soil samples will be analyzed on a 48-hour turnaround time to <br /> help expedite backfilling of the excavation and lessen the effect <br /> Iwo <br /> 8 <br /> '� Applied GeoSystems -- <br />