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Table 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> lie <br /> QUIK STOP MARKET NO. 132 <br /> 2555 WEST HAMMER LANE <br /> STOCKTON, CALIFORNIA <br /> ' ATC PROJECT NO. 75.62503.0003 <br /> Ethyl- Total ell 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-2 <br /> ' 09/14/90 <50 1 <0.50 2.7 5.3 3.29 14,92 -11.63 <br /> 04/08/91 <50 <0.50 <0.50 <0.50 <0.50 14 -10.71 <br /> 07/31/91 <50 <0.50 <0.50 <0.50 <0.50 15.1 -11.81 <br /> 09/11/91 <50 <0.50 <0.50 <0.50 <0.50 15.32 -12.03 <br /> ' 12/18/91 <50 <0.50 <0.50 <0.50 <0.50 15.46 -12.17 <br /> 03/18/92 <50 0.6 1 <0.50 1.4 14.53 -11-24 <br /> 06/16/92 <50 <0.50 <0.50 <0.50 <0.50 14.96 -11.67 <br /> ' 09/22/92 <50 0.7 1.5 <0.50 <0.50 18.06 .14.77 <br /> 12/21/92 <50 0.6 1.1 <0.50 <0.50 16.24 -12.95 <br /> 03/17/93 <50 <0.50 0.7 <0.50 <0.50 12.69 -9.4 <br /> 06/18/93 <50 <0.50 <0.50 <0.50 <0.50 11.97 -8.68 <br /> ' 09/23/93 <50 <0.50 <0.50 <0.50 <0.50 13.25 -9.96 <br /> 12/17/93 <50 <0.50 <0.50 <0.50 <0.50 13.08 -9.79 <br /> 03/25/94 <50 <0.50 <0.50 <0.50 <0.50 12.7J -9.41 <br /> 06/21/94 <50 <0.50 <0.50 <0.50 <0.50 12.6 9.31 <br /> 09/13/94 <50 <0.50 <0.50 <0.50 <0.50 12.95 -9.66 <br /> 12/09/94 <50 <0.50 <0.50 <0.50 <0.50 13.55 -10.26 <br /> 03/16/95 350 5.9 14 16 79 1 L18 -7.89 <br /> 06/22/95 <50 <0.50 <0.50 <0.50 <0.50 11.18 -7,89 <br /> 09/26/95 <50 <0.50 <0.50 <0.50 <0.50 480 12.21 -8.92 <br /> 12/21/95 <50 <0.50 <0.50 <0.50 <0.50 500 12.07 -8.78 <br /> 03/06/96 <50 <0.50 <0.50 <0.50 <0.50 6.4 460 10.6 -7.31 <br /> 06/04/96 <50 <0.50 <0.50 <0.50 <0.50 <2,5 NR 10.15 -6.86 <br /> 09/17/96 NR NR NR NR NR NR NR 11.1 -7.81 <br /> ' 12/09/96 NR NR NR NR NR NR NR 11.15 -7.86 <br /> 02/11/97 NR NR NR NR NR NR NR 8.62 -5.33 <br /> 06/09/97 NR NR NR NR NR NR NR NA NA <br /> ' 09/03/97 NR NR NR NR NR NR NR 10.24 -6.95 <br /> 12/04/97 NR NR NR NR NR NR NR 10.64 -7.35 <br /> 03/10/98 NR NR NR NR NR NR NR 6.86 -3.57 <br /> 06/08/98 <50 <0.5 <0.5 <0.5 <0.5 6,600 NR 7.71 4.42 <br /> I 09/22/98 290 0.57 <0.5 <0.5 <0.5 18,000 NR 9.16 -5.87 <br /> 12/03/98 270 <0.5 <0.5 <0.5 <0.5 24,000 NR 9.39 -6.10 <br /> 03/17/99 340 <0.5 <0.$ <0.5 <0.5 21,100 NR 8.74 -5.45 <br /> ' 06/07/99 18,000 <100 <100 <100 <100 8,400 NR 8.31 -5.02 <br /> 09/02/99 2,100 8.6 <2.5 <2.5 <2.5 11,000 NR 9.47 -6.18 <br /> 12/09/99 8,200 <50 <50 <50 <50 11,000 NR 3.28 9.91 -6.63 <br /> ' 03/27/00 <5,000 <50 <50 <50 <50 7,100 NR 7.26 -3.98 <br /> Pa e2of8 <br /> Llin PrognsslQuik Stop(62507)IQS 132 f000311Tabks4]siQv2WOfiWSamplingTrblcxlslHiswrical g <br />