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Table 1 Summary of Groundwater Elevation Data and Analytical Laboratory Results for <br /> Groundwater Samples Collected at Former E-Z Serve Station#100878 <br /> 1012 West Yosemite Avenue,Manteca,California <br /> Well Depth Product Groundwater EPA Methods 8015 and 8020 <br /> Date Elevation to Water Thickness Elevation Concentration /L <br /> Well I D Sampled feet feet feet feet TPHg Benzene Toluene Eth lbenzen Xylenes <br /> MW-1 30-Ian-91 9865 17 79 8086 3,400 24 52 <1 850 <br /> 17-May-91 16 60 8205 1,700 38 90 86 310 <br /> 14-Aug-91 2002 78 63 320 11 3 6 10 <br /> 6-Nov-91 _ 1898 79 67 490 19 12 18 55 <br /> _ - - 18-Feb-92 _ - 17 48 81 17 680 17 42 68 230 <br /> - - 12-Sep-92 21 59 77 06 260 7 4 13 13 <br />_ -- 23-Dec-92 1946 79 19 55 2 <1 2 <1 <br /> _ - - 3-Mar-93 16 08 82 57 940 18 13 79 230 <br /> 4-Jul-93 20 36 78 29 1,200 140 380 41 210 <br /> 15-Sep-93 21 62 77 03 3,200 95 10 130 99 <br /> -= 21-Dec-93 17 98 80 67 50 <1 <1 3 2 <br /> _ 2-May-94 1722 8143 <100 <1 <1 <1 <i <br /> - 27-Sep-94 20 34 7831 <100 2 <1 4 4 <br /> MW-2 30-Jan-91 98 34 1754 80 80 680 21 9 7 47 <br /> 17-May-91 - 16 24 82 10 1,400 88 46 61 240 <br /> _ - - 14-Aug-91 19 67 78 67 110 6 <1 1 3 <br /> _ - 6-Nov-91 1863 79 71 690 72 43 48 99 <br /> — - 18-Feb-92 17 18 81 16 820 71 7 98 140 <br /> -- - 12-Sep-92 - 2123 7711 750 33 6 26 44 <br /> 23-Dec-92 - - - 19 15 79 19 1,400 94 16 97 140 <br /> - 3-Mar-93 15 82 82 52 450 65 5 <1 79 <br /> 4-Jul-93 1990 78 44 870 72 280 21 210 <br /> -_ 15-Sep-93 21 23 77 11 230 9 2 15 10 <br /> - 21-Dec-93 17 66 8068 4,200 130 460 230 1,100 <br /> _- - 2-May-94 16 87 81 47 <100 2 <1 2 <1 <br /> 27-Sep-94 20 01 78 33 <100 1 <1 <1 <1 <br /> duplicate 27-Sep-94 - - 98341 <100 <1 <1 <3 <1 <br /> c Ierserve0008781g1r-rptxts <br />