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Table 2 <br /> Historical Soil Sample Analytical Results <br /> 7-Eleven Store#19976 <br /> 1399 North Main Street <br /> Manteca,California <br /> Sample Ethyl MtBE MWE Total <br /> Sample Date Depth Benzene Toluene Benzene Xylenes TPHg 8020 8260 DIPE EtBE TAME TBA 1,2-DC EDB Lead Notes <br /> I.D. Sampled (ft bgs) (mgfkg) (mglkg) (mg/kg) (mg/kg) (mglkg) (mg/kg) (mg/kg) (mglkg) (mg�g) (mgtkg) (mg/kg) (m9lkg) (mg/kg) (mg/kg) <br /> Geoprobe/Boring Soil Samples <br /> - 04/29/98 20 0.016 <0.0005 <0.0005 <0.0005 0.26 0.13 -- -- -- -- -- -- -- - <br /> 04/29/98 25 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 0.017 <0.01 <0.005 <0.005 <0.005 <0.1 - -- - <br /> 04/29/98 30 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 -- - - -- -- -- -- - <br /> 04/29/98 40 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 - - -- - - - -- - <br /> GP-2 04/29/98 5 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 - - -- - - - -- - <br /> 04/29/98 10 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 -- - -- -- <br /> 04/29/98 15 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 0.015 <br /> 04/29/98 20 <0.0005 <0.0005 <0.0005 <0.0005 4.6 0.016 -- -- -- - -- - - -- <br /> 04/29/98 25 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 0.018 <0.01 <0.005 <0.005 <0.005 <0.1 - - - <br /> 04/29/98 30 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 -- -- -- - <br /> 04/29/98 40 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 0.02 <br /> 04/29/98 45 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 -- -- -- - -- <br /> GP-3 04/29/98 15 0.36 3.3 3.5 17 120 7.5 -- - -- -- -- - -- <br /> 04/29/98 20 1.1 <0.05 0.29 1.4 15 <1.0 - - - -- -- -- -- - <br /> 04/29/98 25 1.2 14 9.4 48 260 7.9 <0.5 <0.25 <0.25 <0.25 <5 - - - <br /> 04/29/98 30 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 <0.01 - - - _ _ <br /> 04/29/98 35 15 110 56 280 2,600 27 -- - -- -- - - - - <br /> 04/29/98 40 <0.0005 <0.0005 <0.0005 <0.0005 <0.1 0.015 -- - -- -- - - - - <br /> 04/29/98 45 <0.1 <0.1 <0.1 0.28 24 3 -- - -- -- - -- -- - <br /> SB-1 05/11/99 15 0.031 <0.005 0.0059 0.057 1.8 0.42 0.37 <0.1 <0.025 <0.025 <0.1 -- -- -- <br /> 05/11/99 25 0.39 0.15 0.068 0.35 2.1 0.16 0.19 <0.1 <0.025 <0.025 <0.1 - --05/11/99 40 0.029 0.011 <0.005 0.027 <1 <0.05 <0.005 <0.02 <0.005 <0.005 <0.02 - -- -- <br /> 05/11/99 55 <0.005 <0.005 <0.005 <0.005 <1 <0.05 <0.005 <0.02 <0.005 <0.005 <0.02 - - - <br /> 05/11/99 60 <0.005 <0.005 <0.005 <0.005 <1 <0.05 <0.005 <0.02 <0.005 <0.005 <0.02 - - -- <br /> 05/11/99 65 <0.005 <0.005 <0.005 <0.005 <1 <0.05 <0.005 <0.02 <0.005 <0.005 <0.02 - - -- <br /> SB2 11/01/00 30 <0.005 <0.005 <0.005 <0.015 <1 -- <0.005 <0.01 <0.01 <0.01 <0.1 - -11/01/00 33 <0.005 <0.005 <0.005 <0.015 <1 -- <0.005 <0.01 <0.01 <0.01 <0.1 - -11/01/00 34.5 <0.005 <0.005 <0.005 <0.015 <1 - <0.005 <0.01 <0.01 <0.01 <0.1 <br /> ?` <br /> I:\7-Eleven\7-11 Stores\19976\Tables\19976 Vapor Risk Assessment Tables.xls Pages 1 of 4 <br />