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<br /> 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 /> I
<br /> 1, ATC PROJECT NO. 75.62503.0003
<br /> thyl- Total Well Depth to Groundwater
<br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation
<br /> Sampled (ug(L) OWL) (ug/L) (ug/L) (ug/L) (ug/L) (mg/L (ft above MSL) (feet) (ft above MSL)
<br /> Well MW-5
<br /> 04/08/91 210 3.4 <0.50 <0.50 2,1 3.38 1420 -10.82
<br /> 07/31/91 1,900 28 8.5 30 7.1 15.27 -11.89
<br /> 09/11/91 1,100 2.6 1.9 18 13 15.45 -12.07
<br /> 10/15/91 4,200 <0.50 3.3 24 1.3 15.66 -12.28
<br /> 12/18/91 1,200 <0.50 1.3 1.7 0.6 15.66 -12.28
<br /> 03/18/92 670 <0.50 <0.50 <0.50 <0.50 14.72 -1 L34
<br /> 05/05/92 610 <0-50 <0.50 <0.50 <0.50 14,76 -11.38
<br /> i
<br /> 06/16/92 650 2.9 <0.50 <0.50 <0.50 15,1 1 -11 73
<br /> �r 09/22/92 310 <0.50 <0.50 0,63 <0.50 15.59 -12,21
<br /> 10126/92 330 <0.50 1 0.94 0.72 NA NA
<br /> 12/21/92 350 <1150 0.1 0-6 0.7 17.79 -1441
<br /> 03/17/93 280 <0-50 <0.50 0-6 0.7 12.85 -9.47
<br /> 06/18/93 500 1 <0.50 <0.50 <0.50 12.36 -8.98
<br /> 12/17/93 <10 <0,50 <0,50 <0.50 <0.50 13.2 -9.82
<br /> 03/25/94 <50 <0.50 <0.50 <0.50 <0.50 12.82 -9.44
<br /> t 06/21/94 <50 <0-50 <0.50 <0.50 <0.50 12.69 -931
<br /> 08/02/94 53 <0.50 <0.50 <0.50 <0.50 12.85 -9,47
<br /> 09/13/94 <50 <0,50 <0.50 <0-50 <0.50 13.14 -9.76
<br /> 12/09/94 56 <0-50 <0.50 <0.50 <4.50 13.74 -10.36
<br /> 02/22/95 <50 <0.50 <0.50 <0,50 <0.50 12.18 -8,8
<br /> 03/16/95 <50 <0.50 <0.50 <0-50 <0.50 11.37 -7,99
<br /> ' 05/26/95 <50 <0.50 <0.50 <0.50 <0.50 NR NR
<br /> 46/22/95 <50 <0.50 <0.50 <0,50 <0.50 11.36 -7.98
<br /> 09/26/95 <50 <0,50 <0.50 <0-50 <0.50 790 12.35 -8.97
<br /> 12/21/95 <50 <0-50 <0.50 <0.50 <0,50 750 12.24 -8.86
<br /> 03/06/96 <250 <2.50 <2.50 <2,50 <2,50 1,100 670 10.67 -7.29
<br /> 06/04/96 <125 <1.2 <1,2 <1-2 <1.2 660 NR 10.25 -6,87
<br /> 09/17/96 <50 <0,5 <0.5 <0.5 <0.5 510 NR 11.2 -7.82
<br /> �r 12/09/96 <50 <0.5 <0.5 <0.5 <0,5 350 NR 11.29 -791
<br /> 02/11/97 <50 <0.5 <0,5 <0.5 <0-5 340 NR 8.75 -5.37
<br /> 06/09/97 <50 <0.5 <0.5 <0.5 <0.5 220 NR 9.66 -6.28
<br /> 1 09/03/97 <50 <0.5 <0.5 <0.5 <0-5 1,100 NR 10.34 -696
<br /> 12/04/97 <50 <0.5 <0.5 <0.5 <0,5 880 NR 10.75 -7.37
<br /> 03/10/98 <50 <0,5 <0.5 <0.5 <0-5 1,400 NR 6.95 -3.57
<br /> 06/08/98 <50 <0.5 <0.5 <0.5 <0.5 1,600 NR 7,76 -4.38
<br /> 09/22/98 <50 <0.5 <0.5 <0.5 <0.5 2,100 NR 9.25 -5.87
<br /> 12/03/98 <50 <0.5 <0.5 <0.5 <0.5 2,500 NR 9.48 -6.10
<br /> 03/17/99 <50 <0.5 <0.5 <0.5 <0.5 1,970 NR 8,84 -5.46
<br /> 06/07/99 4,700 <25 <25 <25 <25 2,900 NR 8.40 -5,02
<br /> 09/02/99 1,700 5.4 <2.5 <2.5 <2.5 7,800 NR 9.48 -6.10
<br /> 12/09/99 4,600 <25 32 X25 55 6,300 NR 10.02 -6,64
<br /> 1� 03/27/00 2,500 <12.5 <12-5 <12.5 <12.5 7,000 1 NR 7.36 -3.98
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