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TABLE 3 SUMMARY OF SOIL LABORATORY ANALYTICAL RESULTS - METALS BONNIE PLANTS FACILITY 23975 EAST MILTON ROAD LINDEN, CALIFORNIA Sample ID Sample Depth (feet bgs) Date Collected USEPA Method 60106 USEPA Method 7471A BARIUM BERYLLIUM CHROMIUM COBALT MOLYBDENUM VANADIUM ANTIMONY ARSENIC CADMIUM COPPER LEAD NICKEL SELENIUM SILVER THALLIUM ZINC MERCURY JCS-1 0 1/14/2022 209 0.571 34.3 8.49 0.407J 53.4 1.701 2.44 0.07651 23.4 12.4 32.6 1.22 J <0.150 0.677J 182 0.02751 Waste Profile kl na 11/4/2021 79.8 0.421 30.8 9.91 <0.564 44.3 <2.26 1.271 0.08101 13.3 5.99 10.1 <0.861 <1.13 <2.26 183 <0.0451 SSA-1' 1 2/22/2022 138 0.453 39.4 8.96 0.974 49.0 <0.605 1.581 0.07211 13.5 10.0 13.9 1.371 <1.11 <2.23 16.4 0.0359J SSB-1' 1 2/22/2022 96.1 0.369 27.3 7.79 0.388J 46.4 <2.22 1.451 0.0805 J 12.7 10.2 12.5 <2.22 <1.11 <2.22 17.6 0.0346J SSC-1 1 2/22/2022 125 0.343 27.0 6.98 0.3561 42.7 <2.24 1.151 <0.561 11.2 7.34 11.3 <2.24 <1.12 <2.24 16.1 0.0467 Residential Soil ESL (' 15,000 16 No Guidance 23 390 390 11 0.067 78 3,100 80 820 390 390 0.78 23,000 13 Commercial/Industrial Soil ESL ° 220,000 230 1,800,000 350 5,800 5,800 160 0.31 1,100 47,000 320 11,000 5,800 5,800 12 350,000 190 Notes: All results are provided in milligrams per kilogram (mg/kg) Metals analyzed using USEPA Method 60106, Mercury analyzed using EPA Method 7471A bgs = below ground surface na = not applicable 1= The identification of the analyte is acceptable; the reported value is an estimate. All analyses were conducted at Pace Analytical, Inc. in Mt. Juliet, Tennessee <2.50 = Less than the laboratory reporting limit Bold indicates a laboratory detection SFBRWQCB = San Francisco Bay Regional Water Quality Control Board ESLs = San Francisco Bay Regional Water Quality Control Board, Environmental Screening Levels (Elms) 2019 (Rev. 21 - Residential soil (Rs (July 2019 Rev 2) are human health-based screening levels for Residential Land Use and reflect the lower of carcinogenic or noncarcinogenic endpoints. These values are intended to be protective of potential human exposures to shallow soil under a residential land use scenario and do not consider potential ecological exposures, leaching to groundwater, or migration to surface water. - Commercial/industrial soil ESLs (July 2019 Rev 2) are human health-based screening levels for Commercial/Industrial Land Use and reflect the lower of carcinogenic or noncarcinogenic endpoints. These values are intended to be protective of potential human exposures to shallow soil under a commercial/industrial land use scenario and do not consider potential ecological exposures, leaching to groundwater, or migration to surface water. Represents a detected concentration in excess of the chemical-specific Residential Health-Based ESLs Represents a detected concentration in excess of the chemical-specific Commercial/Industrial and Residential Health-Based ESL