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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 /> -- I <br /> Date Elevation to Water Thickness Elevation Concentration /L <br /> Well I D Sampled feet ' feet s feet feet F TPH ' BenzeneI Toluene Ethylbenzene 2Lvienes <br /> MW-1 30-Jan-91 9865 17 79 80 86 3,400 24 52 <1 850 <br /> 17-May-91 16 60 82 05 1,700 38 90 86 310 <br /> - _ 14-Aug-91 2002 7863 320 11 3 6 10 <br /> 6-Nov-91 1898 79 67 490 19 12 18 55 <br /> I8-Feb-92 1748 81 17 680 17 42 68 230 <br /> = 12-Sep-92 21 59 7706 260 7 4 13 13 <br /> 23-Dec-92 19 46 79 19 55 2 <1 2 <1 <br /> - _ - -- 3-Mar-93 1608 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 2162 77 03 1,200 95 10 130 99 <br /> 21-Dec-93 1798 80 67 50 <I <1 3 2 <br /> 2-May-94 17 22 9143 <100 <1 <1 <1 <1 <br /> 15-Jul-94 1827 80 38 2,700 66 500 88 450 <br /> 27-Sep-94 2034 78 31 <100 2 <1 4 4 <br /> _ 7-Dec-94 17 86 80 79 400 3 <0 5 26 59 <br /> 24-Mar-95 1468 83 97 540 5 1 42 130 <br /> -- 22-Jun-95 16 73 8192 170 6 1 21 22 <br /> 15-Sep-95 19 67 7898 140 <1 11 7 3 9 9 <br /> 12-Dec-95 17 60 81 05 2,100 12 10 120 320 <br /> 22-Feb-96 15 05 83 60 1,900 24 60 100 200 <br /> duplicate 22-Feb-96 2,000 23 5 9 94 180 <br /> _ - 15-Apr-97 13.40 85.25 3,200 18 ~<0,5 140 4 330 <br /> _- MW-2 30-Jan-91 98 34 17 54 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 1718 8116 820 71 7 98 140 <br /> 12-Sep-92 21 23 77 11 750 33 6 26 44 <br /> - - _ 23-Dec-92 19 15 79 19 1,400 94 16 97 140 <br /> --� - - 3-Mar-93 15821 8252 450 65 5 <1 79 <br /> e lerserveltabfe81100878 ads Page t of 6 <br />