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s s TABLE A3 Analytical Results of Excavation Soil Samples - EPA Methods 8015M/8260B IDEALEASE 1137 South Stockton Street, Stockton, California (mg/kg) Sample ID Date Sample TPH-d Benzene Toluene Ethyl- Xylenes Depth benzene EXC.B-E 07/12/10 2 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.B-N1 07/12/10 2 ft bsg 1,800 <0.005 <0.005 0.086 0.54 EXC.B-N2 07/12/10 4 ft bsg 2,800 <0.005 <0.005 <0.005 0.078 EXC.B-S1 07/12/10 2 ft bsg 12 <0.005 <0.005 <0.005 <0.005 EXC.B-S2 07/12/10 4 ft bsg 13,000 0.28 0.15 1.0 8.8 EXC.B-F1 07/12/10 4 ft bsg 130 <0.005 <0.005 <0.005 <0.005 EXC.B-F2 07/12/10 8 ft bsg 560 <0.005 <0.005 0.022 0.152 EXC.B-W 07/12/10 4 ft bsg 3,400 0.011 <0.005 <0.005 1.14 EXC.A-NW 07/13/10 4 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-F1 07/13/10 6 ft bsg 610 <0.005 <0.005 <0.005 <0.005 EXC.A-F2 07/13/10 6 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-NE 07/14/10 3.5 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-S1a 07/14/10 2.42 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-S2a 07/14/10 3.5 ft bsg 86 <0.005 <0.005 <0.005 <0.005 EXC.A-C2 07/14/10 2 ft bsg 96 <0.005 <0.005 <0.005 <0.005 EXC.A-F3 07/14/10 6.5 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-W1a 07/15/10 1.58 ft bsg <5.0 <0.005 <0.005 <0.005 <0.005 EXC.A-C3 07/16/10 4 ft bsg 3,300 <0.005 <0.005 <0.005 <0.005 SP-A/B/C/D 07/12/10 3,600 <0.005 <0.005 0.02 0.176 ESL (commercial land use): 83 0.044 2.9 3.3 2.3 Notes: mg/kg: milligrams per kilogram TPH-d: total petroluem hydrocarbons quantified as diesel EXC: excavation sample It bsg: feet below surface grade SP: stock pile sample ESL: San Francisco Bay Regional Water Quality Control Board California Environmental Protection Agency Environmental Screening Level for soil,where ground water is a drinking source. ildvaeueed GeoEmrironmentnl,Inc.