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TABLE 1A <br />ANALYTICAL RESULTS OF SOIL SAMPLES: PCBs SURFACE <br />Former San Joaquin Cogeneration <br />17200 Murphy Parkway, Lathrop, California <br />Sample ID / SURFACE Total PCBs <br />B30-Surface 0.13 <br />B31-Surface 0.084 <br />B35-Surface <0.51 <br />B43-Surface <0.10 <br />B44-Surface <2.5 <br />B45-Surface <1.0 <br />B46-Surface <0.050 <br />B47-Surface 0.36 <br />B48-Surface 0.22 <br />B49-Surface 0.27 <br />B50-Surface 0.077 <br />B51-Surface <0.052 <br />B52-Surface <0.050 <br />B53-Surface 0.70 <br />B54-Surface Sump <0.10 <br />B55-Surface <0.25 <br />B56-Surface <0.050 <br />B57-Surface 0.082 <br />B58-Surface <0.10 <br />B59-Surface <1.0 <br />B60-Surface <2.5 <br />B61-Surface <5.0 <br />B62-Surface 0.25 <br />B63-Surface <2.5 <br />B64-Surface 0.10 <br />B65-Surface <1.0 <br />B66-Surface <0.050 <br />B67-Surface <2.5 <br />B68-Surface <0.50 <br />B78-Surface 0.18 <br />SS-1 <0.050 <br />SS-2 <0.050 <br />SS-3 <0.050 <br />SS-4 0.11 <br />SS-5 <0.05 <br />SS-6 0.076 <br />SS-7 0.29 <br />SS-8 0.45 <br />SS-10 <0.05 <br />SS-11 <0.10 <br />Concrete-1 <0.050 <br />Concrete-2 <10 <br />EPA RSL 0.97 mg/kg <br />DTSC-SL 0.58 mg/kg <br />ESL 0.94 mg/kg <br />CA Hazardous Waste Limits 50 mg/kg <br />Notes: <br />mg/kg: milligrams per kilogram <br />EPA-RSL: US EPA Region 9 - Regional Sreening Levels for industrial soil June 2020 - 0.97 mg/kg <br />DTSC-SL: Department Toxic Substace Control (DTSC) HERO Note 3- Sreening Levels for commercial/industrial soil June 2020 - 0.58 mg/kg <br />ESL: San Francisco Bay RWQCB Environmental Screening Levels-for commerical/industrial shallow soil exposure Jan. 2019 - 0.94 mg/kg <br /><0.10/ND: not detected above laboratory reporting limit Concentration above RSL <br />Total Polychlorinated Biphenyls (PCBs) EPA Method 8082 (mg/kg)