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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. Sa led feet feet feet feet ' TPH ' Benzene Toluene Ethylben=e Xylenes <br /> MW-3 30-Jan-91 99 16 18 13 81 03 98 1 <1 <1 <1 <br /> — _ - 17-May-91 _ 1697 82 19 300 <1 4 <1 8 <br /> 14-Aug-91 _ 1967 79 49 1,500 <1 18 <1 9 <br /> — 6-Nov-91 1940 79 76 830 11 5 1 6 <br /> - 18-Feb-92 1789 8127 400 4 <1 6 2 <br /> -- _ 12-Sep-92 _ 2199 77 17 430 3 1 3 4 <br /> 23-Dec-92 2000 79.16 670 4 <1 8 8 <br /> m - 3-Mar-93 1644 8272 600 8 <1 3 4 <br /> - -- 4-Jul-93 2065 7851 130 2 3 2 5 <br /> 15-Sep-93 - 2199 77 17 390 <1 <1 2 <1 <br /> 21-Dec-93 1841 80.75 2,100 63 340 100 570 <br /> _ 2-May-94 1759 81 57 <100 <1 <1 <1 <1 <br /> 15-Jul-94 1856 80 60 1,900 46 370 61 340 <br /> - 27-Sep-94 2059 78 57 <100 <1 <1 <1 <1 <br /> 7-Dec-94 1825 80 91 200 <05 <05 0 5 09 <br /> 24-Mar-95 1472 84 44 <50 <05 <05 <05 06 <br /> MW-4 1-Jul-92 9838 1997 78 41 <100 <1 <1 I <1 <br /> - T 12-Sep-92 21 33 77 05 52 2 <1 <1 4 <br /> - - - 23-Dec-92 1925 79 13 <100 1 <1 <I <1 <br /> - 3-Mar-93 15 83 82 55 <100 <1 <1 <1 <1 <br /> -- 4-Jul-93 2021 78 17 1,500 <1 <1 110 41 <br /> 15-Sep-93 - 2140 76 98 <100 <1 <1 1 <1 <br /> 21-Dec-93 1770 80 68 1,300 45 190 68 370 <br /> - 2-May-94 1701 81 37 <too <1 <1 <I <1 <br /> 15-Jul-94 is 10 80 28 3,100 99 700 91 530 <br /> 27-Sep-94 20 16 7822 <100 <1 <1 <1 <1 <br /> 7-Dec-94 17 57 80 81 <50 <05 <05 <0 5 <05 <br /> 24-Mar-95 1471 83 67 <50 <05 <0 5 <05 <05 <br /> e lerserveltab[es1100878 xls Page 3 of 5 <br />