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Table D-1 - Soil/Groundwater Analytes and Screening Levels <br /> Supplemental Site Investigation Work Plan <br /> South Pointe Property <br /> Stockton, California <br /> USEPA Methods 6010B/7471 - Metals <br /> Analyte Soil Screening Level Groundwater Screening Level ' <br /> (Residential -mg/kg) (Residential - µg/I) <br /> Cobalt 23 6 <br /> Chromium NE NE <br /> Lead 80 15 <br /> Mercury 1.0 0.063 <br /> USEPA Method 8081 -Organochlorine Pesticides <br /> Analyte <br /> Soil Screening Level Groundwater Screening Level <br /> (Residential -mg/kg) (Residential - µg/1) <br /> alpha-BHC NE NE <br /> gamma-BHC (Lindane) 0.57 4.2E-02 <br /> beta-BHC NE NE <br /> Heptachlor 0.13 0.0014 <br /> Aldrin 0.039 0.00092 <br /> Heptachlor epoxide 0.07 0.0014 <br /> gamma-Chlordane NE NE <br /> alpha-Chlordane NE NE <br /> Endosulfan 1 450 33 <br /> 4,4'-DDE 2 4.6E-02 <br /> Dieldrin 0.034 0.00066 <br /> 4,4'-DDD 1.9 3.2E-02 <br /> Endosulfan 11 450 33 <br /> 4,4'-DDT 1.9 2.30E-01 <br /> Endrin aldehyde NE NE <br /> Endosulfan sulfate 380 1.1 E+02 <br /> Methoxychlor 320 20 <br /> Endrin ketone NE NE <br /> Toxaphene 0.45 0.065 <br /> Chlordane (tech) 2 2.0E-02 <br /> Stantec Page 1 of 1/13/2023 <br />