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TABLE 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> 4 QUIK STOP MARKET NO.132 <br /> a 3555 WEST HAMMER LANE <br /> STOCKTON,CALIFORNIA <br /> Ethyl- Total Well Depth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ug/L) (ug1L) (ug/L) (ug"') (ug/L) (ug/L) (mg/L) (ft above MSL) (feet) (ft above MSL) <br /> kr <br /> il/elI A�i3=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 40.50 <0.50 NA NA <br /> i.r 05/05/92 360 <0.50 <0.50 <0.50 <0.50 NA NA <br /> 10/26192 340 2.3 0,73 1.1 l7 NA NA <br /> 03/02/93 79 <0.50 <mo <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 so 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 -10,50 <br /> 4 02/08194 <50 <0.50 <0.50 <0.50 <0,50 13,43 -10.05 <br /> 05/05194 <50 <0.50 <0.50 <0.50 <0.50 12,39 -9.01 <br /> 06102!94 <50 <0.50 <0.50 <0.50 <050 NA NA <br /> 11/03/94 <50 <0.50 <0.50 <0.50 <0,50 13,63 -10,25 <br /> �+ 02/22/95 <50 <030 <0 so <0.50 <050 NA NA <br /> 05/26/95 1 <50 1 <0.50 1 <0.50 <0.50 <0.50 NR NR <br /> Well AfW-5B <br /> 08/30/91 770 2.8 <0.50 8.2 <D.50 NA NA <br /> LN <br /> 03102'93 200 <050 <0 so 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 /> 05105194 <50 <050 <050 <0 so <D.50 NA NA <br /> 11/03/94 <50 1 <0,50 <0.50 <0.50 1 <0.50 I NL____i NA <br /> w" W@II MW-6 <br /> 12121192 <50 <0.50 <q50 <0.50 <0.50 3.58 16.03 -12.45 <br /> 031)7/93 <50 <0.50 <0.50 <0.50 <0.59 13.24 -9.66 <br /> 06118193 <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 /> 12/17193 <50 <0.50 <D.50 <0.50 <0.50 13.45 -9.87 <br /> 03/25194 <50 <0.50 <0.50 <0 so <0,50 13.15 -9.57 <br /> i..� 06/21/94 <50 <0.56 <0.50 <0.50 <0.50 13.07 -9.49 <br /> 09113194 <50 <0.50 <0.50 <0.50 <D.50 13.37 -9.79 <br /> 12/09194 <50 <0.50 <0.50 <0.50 <O50 13.96 -10.38 <br /> 03/16/95 <50 <050 <0.50 <0.50 <050 11.62 -8.04 <br /> 06/2V95 <50 <0.50 <0.50 <0.50 <0,50 11.68 -6.10 <br /> 09126/95 <50 <0.50 <050 <0.50 <0,50 560 12.52 -8.94 <br /> 12/21/95 <50 <0.50 <0.50 <0.50 <050 640 1 2A -$90 <br /> 03/06196 <50 <0.50 <0.50 40.50 <0,50 <2.5 600 i0.93 -7.35 <br /> i.r <br /> 06/04/96 <50 <0.50 <0.50 <0.50 <0,59 <25 NR 10.56 -6.98 <br /> 09/17/96 <50 <0.50 <0.50 <0.50 <0 so <2,5 NR 11.45 -7.87 <br /> 12/09/96 1 <50 1 <0.50 <0.50 1 IC50 I <0.50 <2.5 NR 1 1 11.52 1 -7.94 <br /> i.r <br /> nr� ,v�+ � uxsuxips uxtouax,r.m�_awuiaau.xi..fr w mei Page 7 of 10 <br />