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Work Plan-Soil and Groundwater Investigation <br /> Gateway Project,City of Stockton <br /> March 10,2400 <br /> Page-5- <br /> TABLE I <br /> Laboratory Analytical Methods <br /> CONSTITUENT METHOD DETECTION LIMTr <br /> Soil <br /> rV <br /> BTEX 8020 5.0µg/kg(BTEX) <br /> TPH-G 5030/LUFT 1.0 mg/kg(gasoline) <br /> 10µg/kg(MTBE,ethanol,RIPE, <br /> ' Gasoline Oxygenates/Additives 8260 ETBE,TAME) <br /> 100µg/kg(tertiary-butanol) <br /> TEFiI 3550/LUFT 1.0 mg/kg(kerosene,diesel) <br /> Lr 10 mg/kg(motor oil) <br /> Groundwater <br /> 1+ BTEX 602 0-3 µg11(BTE) <br /> 0.6µg/1(X) <br /> ' TPH-G 5030/LUFr 0.05 mg/l(gasoline) <br /> LW 1.0 ltg/1(MTBE,ethanol,DIPS, <br /> Gasoline Oxygenates/Additives 8260 ETBE,TAME) <br /> 10.0µg/1(tertiary-butanol) <br /> 0.05 tng/l(kerosene,diesel) <br /> TEFH 3510/LUFr 0.5 mg/l(motor oil) <br /> kr <br /> 4. REPORTING <br /> Condor will prepare an investigation letter report to be submitted to Suzanne Sullivan Real Property <br /> Services and Siegfried. The report will include a discussion of the field and laboratory procedures used <br /> * to conduct the investigation, a discussion and presentation of the analytical results and subsurface <br /> Lr <br /> lithology, and recommendations. A draft of the report will be presented to Siegfried for approval prior to <br /> } submittal of the fmal report. <br /> Lo <br /> L+ <br /> 4.0 <br /> %lot CONDOR <br /> y <br />