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TABLE 1
<br /> i. CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES
<br /> QUIK STOP MARKET NO.132
<br /> 2555 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 OWL) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg/L) (ft above MSL) (f-t) (ft above MSL)
<br /> Welt MW-5
<br /> 04/08/91 210 3.4 W.50 <0.50 2.1 3.38 1420 -10.82
<br /> 07131/91 1,9D0 28 8.5 30 7.l 15.27 -11.89
<br /> 09111/91 1,100 2.6 1.9 18 2.3 15.45 -12.07
<br /> 10/15/91 4,200 <0.50 3.3 24 1.3 15.66 -1228
<br /> 12118/91 1,200 <0.50 1.3 17 0.6
<br /> 15.66 -1228
<br /> 03118192 670 <0.50 <0.50 <0.50 <0.50 14.72 -11.34
<br /> 05105192 610 <0.50 <0.50 <0.50 <0.50 14.76 -11.38
<br /> 06/16192 650 2.9 <0.50 <0.50 <0.50 15.11 -1 L73
<br /> 09/22192 310 <0,50 <0.50 0.63 <0 so 15.59 -12.21
<br /> 10!26192 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 /> 03/17/93 280 <0,50 <0,50 06 0.7 12.85 -9.47
<br /> 06/18!93 500 I <0,50 <0150 <0 50 12.36 -8.98
<br /> 12/17/93 <50 <0.50 <0,50 <Mo <0.50 131 -9.82
<br /> 03125194 <50 <0.50 <0.50 <0.50 <0.50 12-82 -9.44
<br /> 06/21/94 <50 <0.50 <0.50 <D_50 <0.50 12.69 -9.3t
<br /> 08102194 53 <0.50 <D.50 <0.50 <4.50 12.85 -9.47
<br /> 09/13/94 <50 <0.50 <0 so <0.50 <0.50 13.14 -9.76
<br /> 12/09/94 56 <0.50 <0.50 <0.50 <0.50 13.74 -1036
<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 /> 05726/95 <50 <0.50 <0.50 <0.50 <0.50 NR NR
<br /> 06/22/95 <50 <0.50 <0.50 <0.5D <0.50 11.36 -7.98
<br /> 0926195 <50 m50 <0.50 <0.50 <0 50 790 1235 -8.97
<br /> 11121/95 <50 m.50 <0.50 <0.50 X50 750 1224 -8.86
<br /> 03106196 <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 <11 <1.2 660 NR 10,25 -6.87
<br /> 09/17/96 <50 <0.5 <0.5 <0.5 m.5 510 NR 11.2 -7.82
<br /> 12/09196 <50 <0.5 <0.5 <0,5 <05 350 NR 11.29 -7.91
<br /> 02/11197 <50 <0.5 <0.5 <0,5 <0.5 340 NR 8.75 -5.37
<br /> 06/09/97 <50 <0.5 <0.5 <0,5 <0.5 22D NR 9.66 -6.28
<br /> ' 09103197 <50 <0.5 <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 /> 06108/98 <50 <0.5 <0.5 <0.5 <0,5 1,600 NR 7.76 -4.38
<br /> ' 0922/98 <50 <0.5 <OS <0.5 <0,5 2,100 NR 9.25 -5.87
<br /> 12103/98 <50 <0,5 <0.5 <0.5 <0.5 2,500 NR 9.48 -6,10
<br /> 03/17/99 <50 <05 <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!02199 1,700 5,0 <2.5 <2.5 <2.5 7,800 NR 9.48 -6,10
<br /> 12/09/99 4,600 <25 32 <25 55 6,300 NR 1002 -6.64
<br /> 0327100 2,500 <12.5 <12.5 <t2.5 <12,5 7,000 NR 7,36 -3.98
<br /> ' 06/tS/00 <5000 <50 <50 <50 <50 5,500 NR 821 -4.83
<br /> 09/18100 3,100 <10 <10 <10 <10 2,500 NR 9.39 -6.01
<br /> I WO/00 2,700 27 39 <25 <25 3,400 NR 9.84 -6.46
<br /> 02/23101 2,800 <0.5 <05 <0.5 64 3,400 NR 9.75 -6.37
<br /> 1 05/22/01 1,000 <10 <10 <10 <10 2,000 NR 9.00 -5.62
<br /> I 08123!01 1,600 <10 <to <10 <10 2,400 NR 10.02 -6.64
<br /> 1 t/30/Ol <1000 <20 <20 <20 <20 2.800 NR 10.58 -7.20
<br /> m Ewa. w x s mrnzsnar ys i s:a niprfiie:r, d..4r Mnmx nni T.61a Rla ir. �.a Page 5 of 8
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