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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 /> w Well I D Sampled (feet)' (feet)2 feet (feet)' TPH 3 Benzene Toluene Ethyl Xylenes <br /> - - - _ MW-4 I-Jul-92 9838 19 97 7841 <100 <i <I 1 <1 <br /> 12-Sep-92 21 33 77 OS 52 2 <1 <1 4 <br /> - _ 23-Dec-92 19 25 79 13 <100 1 <1 <i <1 <br /> 3-Mar-93 15 83 82 55 <100 <I <1 <1 <1 <br /> 4-Jul-93 2021 78 17 1,500 <1 <1 110 41 <br /> = = I5-Sep-93 _ 21 40 7698 <100 <1 <I 1 <1 <br /> - - 21-Dec-93 17 70 80 68 1,300 45 I90 68 370 <br /> _ 2-May-94 1701 81 37 <100 <1 <1 <1 <i <br /> -- 15-Jul-44 18 10 80 28 3,100 99 700 91 530 <br /> - - 27-Sep-94 20 16 78 22 <100 <1 <1 <1 <I <br /> 7-Dec-94 1757 80 81 <50 <05 <0 5 <br /> <05 <05 <br /> — - = 24-Mar-95 1471 83 67 <50 <0 5 <0 5 <05 <0 5 <br /> -_ 22-Jun-95 16 95 8143 <50 <05 <0 5 <0 5 <05 <br /> 15-Sep-95 1957 7881 <100 1 5 <1 <1 36 <br /> 12-Det-95 - 17.40 80.98 <100 <1 <1 <1 <3 <br /> - MW-5 1-Jul-42 - 9832 19 73 78 59 860 18 4 6 120 <br /> 12-Sep-92 - 21 12 77 20 680 9 <1 26 68 <br /> 23-Dec-92 - _ 19 05 79 27 1,300 39 7 43 110 <br /> 3-Mar-93 15 66 82 66 730 120 22 64 130 <br /> 4-Jul-93 19 93 78 39 4,700 550 84 360 240 <br /> 15-Sep-93 21 23 77 09 740 27 <1 22 33 <br /> 21-Dec-93 17 58 80 74 4,700 240 490 330 1,500 <br /> - - 2-May-94 16 83 81 49 1,100 140 <1 <1 122 <br /> 15-Jul-94 _ 17 81 80 51 4,300 160 280 190 800 <br /> 27-Sep-94 19 92 78 40 460 22 <1 27 34 <br /> 8-Dec-94 1744 80 88 4,600 87 15 150 940 <br /> 24-Mar-95 1421 84 11 10,000 330 18 660 2,500 <br /> - 22-Jun-95 16 63 81 69 4,100 130 21 240 1,200 <br /> -= - 15-Sep-95 19301 79021 1,4001 23 19 39 81 <br /> -_� a Iezaerveltabfea1100878 As <br /> Page 3 of 5 <br />