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TABLE 1 <br />ANALYTICAL RESULTS OF SOIL SAMPLES: PCBs <br />Former Pilkington North America - Lathrop Facility <br />500 East Louise Avenue, Lathrop, California <br />Sample ID- <br />Depth (feet) Date <br />Polychlorinated Biphenyls (PCBs) Aroclors - EPA Method 8082 (mg/kg) <br />1016 <br />1221 <br />1232 <br />1242 <br />1248 <br />1254 <br />1260 <br />Total PCBs <br />T29B1-11 03/30/23 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br />T29B2-11 03/30/23 <br /><0.56 <br /><0.56 <br /><0.56 <br /><0.56 <br /><0.56 <br /><0.56 <br /><0.56 <br /><0.56 <br />T2963-6 03/30/23 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br />0.26 <br />0.27 <br />0.52 <br />T29B44 03/30/23 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br />0.13 <br />0.13 <br />T2965-4 03/30/23 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br /><0.053 <br />T29B7-4 03/30/23 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br />0.13 <br />0.13 <br />T2968-4 03/30/23 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br /><0.054 <br />T29B94 03/30/23 <br /><0.054 <br /><0.05 <br /><0.05 <br /><0.05 <br /><0.05 <br /><0.05 <br />0.088 <br />0.088 <br />T291310-4 03/30/23 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br />T29131 1-4 03/30/23 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br />T291312-4 03/30/23 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br /><0.058 <br />T291313-4 03/30/23 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br /><0.060 <br />T29B14-4 03/30/23 <br />1 <0.055 <br /><0.055 <br /><0.055 <br /><0.055 <br /><0.055 <br /><0.055 <br />1 <0.055 <br /><0.055 <br />EPA -RSL <br />DTSC-SL <br />ESL <br />ESL -Leaching to GW <br />CA Haz Waste Limits <br />27 <br />- <br />- <br />0.83 <br />- <br />- <br />0.72 <br />- <br />- <br />- <br />- <br />0.95 <br />- <br />- <br />- <br />- <br />0.94 <br />- <br />- <br />- <br />- <br />0.97 <br />- <br />0.94 <br />- <br />50 <br />0.99 <br />- <br />0.94 <br />0.58 <br />0.94 <br />330 <br />50 <br />Notes: <br />mg/kg: milligrams per kilogram <br />EPA -RSL: US EPA Region 9 - Regional Sreening Levels for industrial soil May 2023 - 0.97 mg/kg <br />DTSC-SL: Department Toxic Substace Control (DTSC) HERO Note 3- Sreening Levels for commercial/industrial soil May 2022 - 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 /><50/ND: not detected above laboratory reporting limit <br />-: Not analyzed/No screening level <br />