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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- lTatal I Jell Depth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Eleva#ion <br /> Sampled (ug/L) (ug/L) (ug/L) (ug/L) AWL) {ug/L) (mg/L) (ft above MSL) (feet) (ft above MSL) <br /> ' Well MW-5(Cont) <br /> 03/17/99 <50 <0.5 <0.5 <0.5 <0,5 1,970 NR 3.22 8.84 -5.46 <br /> 06/07/99 4,700 <25 <25 <25 <25 2,900 NR 8.40 -5.02 <br /> 09/02/94 1,700 1 5.0 1 <2.5 1 4.5 1 <2.5 7,800 NR 9.48 -6.10 <br /> Well MW-5A <br /> 08/30/91 1,700 6.1 3.3 27 3.3 3.38 15.3 -11.92 <br /> 10/15/91 1,700 <0.50 <0.50 <0.50 <0.50 NA NA <br /> ' 05/05/92 360 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 10/26/92 340 2.3 0.73 1.1 17 NA NA <br /> 03/02/93 79 <0.50 <0.50 <0.50 <0.50 12.64 -9.26 <br /> 05/18/93 <50 <0.50 <0.50 <0.50 <0.50 NA NA <br /> ' 08/11/93 <50 <0.50 <0.50 <0.50 <0.50 12.95 -9.57 <br /> 09/23/93 88 <0.50 <0.50 <0.50 <0.50 13.35 -9.97 <br /> 11/10/93 100' <0.50 0.55 <0.50 <0.50 13.88 -10.5 <br /> 02/08/94 <50 <0.50 <0.50 <0.50 <0.50 13.43 -10.05 <br /> 05/05/94 <50 <0.50 <0.50 <0.50 <0.50 12.39 -9.01 <br /> 08/02/94 <50 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 11/03/94 <50 <0.50 <0.50 <0.50 <0.50 13.63 -10.25 <br /> 02/22/95 <50 <0.50 <0.50 <0.50 <0,50 NA NA <br /> 05/26/95 <50 <0.50 <0.50 1 <0.50 <0.50 NR NR <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 /> ' 11/03/94 <50 <0.50 <0.50 <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 /> 13.52 -9.94 <br /> <50 <0.50 <0.50 <0.50 <0.50 <br /> 09/23/93 <br /> 12/17/93 1 <50 1 <0.50 <0.50 <0.50 <0.50 13.45 -9.87 <br /> ' <50 <0.50 <0.50 <0.50 <0.50 13.15 -9.57 <br /> 03/25/94 <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 /> 13.96 -10.38 <br /> <50 <0.50 <0.50 <0.50 <0.50 <br /> 12/09/94 11.6 <br /> 2 -8.04 <br /> 03/16/95 <50 <0.50 <0.50 <0.50 <0.50 <br /> 06/22/95 <br /> <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 -8.9 <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 1 -6.31 <br /> ' <br /> H',11LEHRMAMQUIKSTOPII]21GWSAMFP,xIsSTABLE l Page 5 of 6 - <br />