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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 /> ATC PROJECT NO. 75.62503.0003 <br /> .Ethyl- Total Well Depth to Groundwater <br /> _Date 3 P -G Benzene Toluene benzene Xylenes I MTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ugly) (ug/L) (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 2.3 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 -11.34 <br /> 05105!92 610 <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 /> I <br /> 09/22/92 310 <0.50 _ 00.50 0.63 0 15.59 -12.21 <br /> 10/26/92 330 <D.SD I 0.94 0.72.72 NA NA <br /> 12/21/92 ` 350 --<O50- 0.7 0.6 0.7 17.79 -14.41 <br /> 03/17/93 - _280 - <0.50 <0.50 - 0.6 0.7 12.85 -9.47 <br /> 06/18/93 500 l <0.50 <0.50 <0.50 12.36 -8.98 <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 /> 06/21/94 <50 <0.50 <0.50 <0.50 <0.50 12.69 -9.31 <br /> 08/02/94 "-53--- <0.50 _---<O 5-0 <br /> <0.50 <0.50 <0.50 12.85 -9.47 <br /> 09/]3194 <50 <0.50 <0.50 <0.50 <0.50 13.14 -9.76 <br /> _12/09/94 _ 56 _ --<-O--.5-0 00.50 __00.50 _ 00.50 _ 13.74 _ -10.36 <br /> 02!22195 050 00.50 <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 <br /> 05/26/95 <50_ <0.50 <0.50 <0.50 <0.50 NR NR <br /> ' 06!22195 <50 _ <0.50 _ <0.50 _<D.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 <0.11 <0.50 750 12.24 _ -8.86 <br /> 03106196- 0250_ _ <2_50 __ <2.50 <2.50 <2.50 1,100 670 10.67 F -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 /> ' 12/09/96 <50 <0_5 _ <0.5 <0.5 <0.5 350 NR 11.29 J -7.91 <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 W -6.28 <br /> ' 0 910 319 7-- <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 /> 09/22198 _ <0.5 <0.5 <0.5 2,100 NR 9.25 -5.87 <br /> 12/03!98 <50 00.5 00.5 <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 5.0 �<2.5� <2.5 <2.5 7,800 NR 9.48 -6.10 <br /> 12/09/99 4,600 025 32 _ 025 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 13.98 <br /> 061]5100 <5000 <50 <50 <50- -<50 ---5,500 {NR 8.21 <br /> ' f:ft Pvg-a Quik Smp(62503)5QS 132(11003)Vrab1cs�Gm.nduatcf M-it ..9 Tabs HVimrid Page 5 of 8 <br />