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TABLE 2:SOIL SAMPLE DATA SUMMARY-METALS <br /> 2461 North Wilson Way,Stockton,California 95205 <br /> RCRA-8 Metals by U.S.EPA Method 6010B(TTLC) <br /> Location Sample Sample Arsenic Barium Cadmium Chromium' Lead Mercury Selenium Silver <br /> ID Date Depth <br /> (feet bgs) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) <br /> SB-1 12/9/2024 1 3.24 139 ND<0.10 43.8 11.1 ND<0.083 ND<0.35 ND<0.15 <br /> SB-2 12/9/2024 10 4.10 229 ND<0.10 57.5 8.50 ND<0.083 ND<0.35 ND<0.15 <br /> SB-3 12/9/2024 10 3.08 164 ND<0.10 43.3 6.10 ND<0.083 ND<0.35 ND<0.15 <br /> SB-4 12/9/2024 1 5.70 225 ND<0.10 58.0 10.1 ND<0.083 ND<0.35 ND<0.15 <br /> Comparison Values based on California <br /> Maximum Background Concentration in 11.0 1,400 1.70 1,579 97.1 0.90 0.430 8.30 <br /> mg/kg* <br /> Comparison Values in mg/kg-ESLs, 0.31 220,000 4,000 160 380 190 5,800 5,800 <br /> Table S-1,Commercial/Industrial Sites <br /> Notes: <br /> Analyses performed by Torrent Laboratory,Milpitas,California <br /> mq/kq Milligrams per kilogram <br /> bqs Below ground surface <br /> ND< Not detected above the method detection limit(MDL)shown <br /> EPA Environmental Protection Agency <br /> * From Kearney Foundation of Soil Science 1996 Report"Background Concentrations of Trace and Major Elements in California Soils" <br /> TTLC Total Threshold Limit Concentration <br /> RCRA Resource Conservation and Recovery Act <br /> 1 Chromium Compared to S-2-Terrestrial Habitat Levels <br /> Table S-1 Soil-Direct Exposure Human Health Risk Levels <br /> Revision 2 Environmental Screening Levels(ESLs)established by the San Francisco Bay Regional Water Quality Control Board,July 2019 <br /> Project No.501222 1 of 1 <br />