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<br /> TABLE 1
<br /> r
<br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES
<br /> QUIK STOP MARKET NO. 132
<br /> 2555 WEST HAMMER LANE
<br /> STOCKTON,CALIFORNIA
<br /> Ethyl-e e
<br /> th to Groundwater
<br /> ElevationMTHE CO2 Groundwater ElevationDate TPH-G Benzene Toluene benzentn
<br /> L (m lL) ve MSLSampled (ugl (ug/L) (ul (fabo
<br /> (feet) (ft above MSL)
<br /> We!!MW-5
<br /> 04/08/91 210 3.4 <0.50 <0.50 2.1 3.38 1420 -10.82
<br /> 07/31191 1,900 28 8.5 30 7.l 15.27 -11.89
<br /> 09/11/91 1,100 2.6 1.9 18 2.3 15.45 -12.07
<br /> 10/15191 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 -11.34
<br /> 05105i92 610 <0.50 <0.50 <0.50 <0.50 14.76 -11.38
<br /> 06/16/92 650 2.9 <0,50 <0.50 <0.50 15.11 -11.73
<br /> 09/22/92 310 <0.50 <0.50 0.63 <0,50 15.59 -12.21
<br /> 10/26/92 330 <0.50 1 0.94 0.72 NA NA
<br /> 12!21!92 350 <0.50 0.7 0.6 0.7 17.79 _14.41
<br /> 03/17193 280 <0.50 <0.50 0.6 0,7 12,85 _9.47
<br /> 06118193 500 1 <0.50 <0.50 <0,50 12.36 4,98
<br /> ' 12/17/93 <50 <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 /> 06121/94 <50 <0.50 <Mo <0.50 <0.50 12.69 -9.31
<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 <0.50 13.74 -50.36
<br /> 02/22195 <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 /> 06/22/95 <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 /> 06/04196 <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 /> 12/09/96 <50 <0.5 <0,5 <0.5 <0.5 350 NR 11.29 -7.91
<br /> 02/11197 <50 <0.5 <0.5 <0.5 <0.5 340 NR 8.75 -5,37
<br /> 06109/97 <50 <0,5 <0.5 <0.5 <0.5 220 NR 9.66 -6.28
<br /> 09/03/97 <50 <05 <0.5 <0,5 <0.5 1,100 NR 10.34 -6.96
<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 /> 09.122/98 <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 /> 09102199 1,700 5.0 <2.5 <2.5 <2.5 7,800 NR 9.48 -6.10
<br /> 12109199 4,600 <25 32 <25 55 6,300 NR 10.02 -6.64
<br /> 03'27/00 2,500 <12.5 <12.5 <12.5 <12.5 7,000 NR 7.36 -3,98
<br /> 06/15/00 <5000 <50 <50 <50 <50 5.500 NR 8.21 -4.83
<br /> 11g!B/00 3.100 <10 <10 <10 <10 2,500 NR 9.39 -6.01
<br /> 11/30/00 2.700 27 39 <25 <25 3,400 NR 9.84 -6.46
<br /> 02/23/01 2.800 <0.5 1 <0.5 1 <0.5 1 64 3,400 1 NR 9.75 -6.37
<br /> ' n.i„ ',,..,...ira;„a,u•amiu)nie: Kr.i.i..ut,i.;.t Page 5of'R
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