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Table 1 <br /> Cumulative Results of Groundwater Sampling and Analyses <br /> Quik Stop Market No. 132 <br /> 2555 West Hammer Lane <br /> Stockton, California <br /> Ethyl- Total Welt Depth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ug(L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg/L) (ft above MSL) (feet) (ft above MSL) <br /> Well MW-5B <br /> ' 08/30/91 770 2.8 <0.50 8.2 <0.50 NA NA <br /> 03/02/93 200 <0.50 <0.50 1 <0.50 NA NA <br /> 05/18/93 <50 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 08/11/93 140 0.56 <0.50 <0.50 <0.50 NA NA <br /> 11/10/93 <50 <0.50 0.56 <0.50 1.1 NA NA <br /> 02/08/94 <50 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 05/05/94 <50 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 1 11/03/94 <50 1 <0.50 1 <0.56 1 <0.50 <0.50 NA NA <br /> Well MW-6 <br /> 12/21/92 <50 <0.50 <0.50 <0.50 <0.50 3.58 16.03 -12.45 <br /> 03/17/93 <50 <0.50 <0.50 <0.50 <0.50 13.24 -9.66 <br /> 06/18/93 <50 <0.50 <0.50 <0.50 <0.50 12.44 -8.86 <br /> 09/23/93 <50 <0.50 <0.50 <0.50 <0.50 13.52 -9.94 <br /> 12/17/93 <50 <0.50 <0.50 <0.50 <0.50 13.45 =9.87 <br /> 03/25/94 <50 <0.50 <0.50 <0.50 <0.50 13.15 -9.57 <br /> 06/21/94 <50 <0.50 <0.50 <0.50 <0.50 13.07 -9.49 <br /> 09/13/94 <50 <0.50 <0.50 <0.50 <0.50 13.37 -9.79 <br /> 12/09/94 <50 <0.50 <0.50 <0.50 <0.50 13.96 -10.38 <br /> 03/16/95 <50 <0.50 <0.50 <0.50 <0.50 11.62 -8.04 <br /> 06/22/95 <50 <0.50 <0.50 <0.50 <0.50 11.68 -8.1 <br /> 09/26/95 <50 <0.50 <0.50 <0.50 <0.50 560 12.52 -8.94 <br /> 12/21/95 <50 <0.50 <0.50 <0.50 <0.50 640 12.48 -89 <br /> 03/06/96 <50 <0.50 <0.50 <0.50 <0.50 <2.5 600 10.93 -7.35 <br /> 06/04/96 <50 <0.50 <0.50 <0.50 <0.50 <2.5 NR 10.56 -6.98 <br /> 09/17/96 <50 <0.50 <0.50 <0.50 <0.50 <2.5 NR 11.45 -7.87 <br /> ' 12/09/96 <50 <0.50 <0.50 <0.50 <0.50 <2.5 NR 11.52 -7.94 <br /> 02/11/97 <50 <0.50 <0.50 <0.50 <0.50 <2.5 NR 9.03 -5.45 <br /> 06/09/97 NR NR NR NR NR NR NR 9.89 -6.31 <br /> 09/03/97 NR NR NR NR NR NR NR 10.58 -7.00 <br /> 12/04/97 NR NR NR NR NR NR NR 10.97 -7.39 <br /> 03/10/98 NR NR NR NR NR NR NR 7.19 -3.61 <br /> 06/08/98 <50 <0.50 <0.50 <0.50 <0.50 <5 NR 7.95 -4.37 <br /> 09/22/98 <50 <0.5 <0.5 <0.5 <0.5 <5.0 NR 9.46 -5.88 <br /> 12/03/98 <50 1 <0.5 1 <0.5 1 <0.5 1 <0.5 1 <5.0 NR 9.69 1 -6.11 <br /> Well MW-7 <br /> 12/21/92 <56 <0.50 <0.50 <0.50 <0.50 3.22 16.02 -12.8 <br /> 03/17/93 <50 <0.50 <0.50 <0.50 <0.50 I3.3 -10.08 <br /> 06/18/93 <50 <0.50 <0.50 <0.50 <0.50 12.67 -9.45 <br /> 09/23/93 <50 1 <0.50 <0.50 <0.50 <0.50 13.75 -10.53 <br /> '� PLSIH.\LEHRMANIQUIKSTOM1325Gwsamp\TABLE I page 6 of 7 <br />