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TABLE 1: SOIL SAMPLE DATA SUMMARY-TPH and VOCs <br /> 2461 North Wilson Way,Stockton,California 95205 <br /> TPH by U.S. EPA Method 8015M TPH-g and VOCs by U.S. EPA Method 8260B <br /> Location Sample Sample TPH-d TPH-o TPH-g VOCs <br /> ID Date Depth <br /> (feet bgs) (mg/kg) (mg/kg) (mg/kg) (mg/kg) <br /> SB-1 12/9/2024 1 16.0 x 29.4 ND<0.043 ND<MDL <br /> SB-2 12/9/2024 10 10.4 x 7.09 ND<0.043 ND<MDL <br /> SB-3 12/9/2024 10 9.89 x ND<0.75 ND<0.043 ND<MDL <br /> SB-4 12/9/2024 1 7.34 x 12.5 ND<0.043 ND<MDL <br /> Comparison Values in mg/kg - ESLs,Table 1,200 180,000 2,000 Varies <br /> S-1, Commercial/Industrial Sites <br /> Notes: <br /> Analyses performed by Torrent Laboratory, Milpitas,California <br /> mg/kg Milligrams per kilogram <br /> ND< Not detected at or above the method detection limit(MDL)shown <br /> bgs Below ground surface <br /> VOCs Volatile Organic Compounds <br /> EPA Environmental Protection Agency <br /> TPH-q Total Petroleum Hydrocarbons as gasoline <br /> TPH-d Total Petroleum Hydrocarbons as diesel <br /> TPH-o Total Petroleum Hydrocarbons as oil <br /> x x-not typical of Diesel ref. std: peaks within Diesel range quantified as diesel <br /> Table S-1 Soil-Direct Exposure Human Health Risk Levels <br /> Revision 2 Environmental Screening Levels(ESLs)established by the San Francisco Bay <br /> Regional Water Quality Control Board,July 2019 <br /> AEI Project No. 501222 Page 1 of 1 <br />