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Table 3 Summary of Groundwater Elevation Data and Analytical Laboratory Results for <br /> Groundwater Samples Collected at Former E-Z Serve Station 9 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 IL <br /> Well 1 D Sam-pled (feet)' __(feet)2 feet feet)' TPH ' $enzene Toluene Eth ibenzen Xylenes <br /> MW-1 30-Jan-91 9865 1779 80 86 3,400 24 52 <I : 850 <br /> 17-May-91 1660 8205 1,700 38 90 86 310 <br /> 14-Aug-91 2002 7863 320 11 3 6 10 <br /> 6-Nov-91 1898 7967 490 19 12 18 55 <br /> =i- - 18-Feb-92 - 17 48 81 17 680 17 42 68 230 <br /> 12-Sep-92 - 21 59 7706 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 2036 7829 1,200 140 380 41 210 <br /> _ 15-Sep-93 2162 77 03 1,200 95 10 ! 130 99 <br /> T 21-Dec-93 17 98 80 67 50 <1 <1 3 2 <br /> ' - 2-May-94 1722 81 43 <100 <I <1 <i <1 <br /> - 15-Jul-94 1827 80 38 2,700 66 500 88 450 <br /> 27-Sep-94 20 34 78 31 <100 2 <1 4 4 <br /> 7-Dec-94 _ 17 86 8079 400 3 <05 26 59 <br /> - _ - 24-Mar-95 1468 8397 540 5 1 42 130 <br /> - - 22-Jun-95 16 73 81 92 170 6 1 2I 22 <br /> 15-Sep-95 19 67 78 98 140 <I <br /> 11 73 9 9 <br /> _ - 12-Dec-95 <br /> 1760 81 05 2,100 12 1 0 120 320 <br /> 22-Feb-96 1505 83 60 11900 24 60 100 200 <br /> duplicate 22-Feb-96 2,000 23 59 94 180 <br /> --- --- --- --- --- --- <br /> - _ 15-Apr-97 1340 8525 3,200 18 <0.5 140 330 <br /> MW-2 30-Jan-91 98 34 17 54 8080 680 21 9 7 47 <br /> - _ 17-May-91 1624 82 10 1,400 88 46 61 240 <br /> 14-Aug-91 1967 78 67 110 6 <1 1 3 <br />=- 6-Nov-91 18 63 79 71 690 72 43 48 99 <br /> - — 18-Feb-92 17 18 81 16 820 71 7 98 140 <br /> - - I2-Sep-92 21 23 77 11 750 33 6 26 44 <br /> 7 23-Dec-92 1915 7919 1,400 94 16 97 140 <br /> - T 3-Mar-93 15 82 8252 450 65 5 <1 79 <br /> C Ic7scrveVONCe1100878 xis <br />