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i e1of2 <br /> Table 1 <br /> Groundwater Monitoring Data <br /> USA Service Station No. 65 <br /> Avenue Lodi <br /> 2500 West Lodi , California <br /> Well Top of Casing Free Depth to Groundwater <br /> Ethyl- Total MTBE MTBE <br /> Number Date Elevation fl-mst Product n Water ftElevation ft-m i TPHG Benzene Toluene benzene Xylenes USEPA 8020 USEPA 8260 <br /> MW-1 12/29/98 36.99 0 36.61 0.38 <50 <0.5 <0.5 <0.5 <0.5 <3 NA <br /> MW-1 03/30/99 36.99 0 35.65 1.34 <50 <0.5 <0.5 <0.5 <0.5 <3 NA NA <br /> MW-1 06/28/99 36.99 0 38.01 -1.02 <50 <0.5 <0.5 <0.5 <0.5 <2 <br /> � <br /> MW-2 12/29/98 37.53 NS NS NS NS NS N5 NS NS NS NS MW-2 03/30/99 37.53 0 36.13 1.40 <50 <0.5 <0.5 <0.5 <0.5 <3 NA <br /> NA <br /> MW-2 06/28/99 37.53 0 38.43 -0.90 <50 <0.5 <0.5 <0.5 <0.5 <.2 <br /> MW-3 12/29/98 37.80 0 37.85 -0.05 56 <0.5 <0.5 0.7 2.8 <br /> 6 8 <br /> MW-3 03/30/99 37.80 0 36.78 1.02 <50 <0.5 <0.5 <0.5 <0.5 <3 NA <br /> MW-3 06/28/99 37.80 0 39.02 -1.22 9900 73 35 120 580 140 <br /> 120 <br /> MW-4 12/29/98 37.46 0 37.69 -0.23 32,000 92 40 1,000 5,700 <150 NA <br /> MW-4 03/30/99 37.46 0 36.70 0.76 18,000 54 25 550 1,600 <120 NA A <br /> MW-4 06/28/99 37.46 0 38.77 -1.31 2,100 3.5 36 1.1 5.5 <2 <br /> NA <br /> j MW-5 1212919$ 36.83 0 37.20 -0.37 <50 <0.5 <0.5 <0.5 <0.5 <3 NA <br /> MW-5 03/30/99 36.83 0 36.15 0.68 <50 <0.5 <0.5 <0.5 <0.5 <3 j <br /> MW-5 06/28/99 36.83 0 38.20 -1.37 <br /> <50 <0S <0.5 <0.5 <0.5 <2 <O.S <br /> Mw-6 12/29/98 38.060 38.66 -0.60 <50 <0.5 <0.5 <0.5 0.82 <3 NA <br /> MW-6 03/30/99 38.06 0 37.57 0.49 <50 <0.5 <0.5 <0.5 <0.5 <3 0.82 <br /> MW-6 06/28/99 38.06 0 39.50 -1.44 <50 <0.5 <0.5 <0.5 <0.5 <2 <br /> OS <0.5 <0.5 <3 NA <br /> MW-7 12/29/98 37.88 0 38.79 -0.91 <50 <0.5 < <br /> MW-7 03/30/99 37.88 0 37.74 0.14 <50 1.0 0.7 <0.5 <0.5 <3 NA NA <br /> MW-7 06/28/99 37.88 0 39.55 -1.67 <50 <0.5 <0.5 <0.5 <0.5 <2 <br /> The IT Group <br /> CP1C_1ARCHI VEIUSA100651QTRLY10065g299 <br />