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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 /> 1 <br /> Ethyl- ota Well eptn to I Groundwater <br /> TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater EIevation <br /> [SaDat:e <br /> mp (ug/L) (ug/L) (ug/L) (ugIL) (ug/L) (ug/L) I (mg1L) (R above MSL) I (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 -11.84 - <br /> 1 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 /> ' _03118192 670 <0.50 <0.50 <0.50 <0.50 14.72 -11.34 <br /> 05/05/92 610 <0.50 <0.50 <0.50 <0.50 <br /> 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 l 0.94 0.72 NA NA <br /> 12/21/92 350 <0.50 0.7 Y 0.6 0.7 17.79 -14.41 <br /> _03117193 280 <0.50 <0.50 0.6 0.7 12.85 _ -9.47 <br /> 06/18/43 500 1 <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 <6.50 <0.50 12.69 -9.31 <br /> 08/02/94 53 <0.50 <0.50 <O.SD <0.50 12.85 9.47 <br /> < <R50 <0.50 13.14 -9.76 <br /> 09/13/94 <50 <0.50 O.SD <br /> 12/09/94 56 <0.50 <0.50 <0.50 <0.50 13.74 -10.36 <br /> 1 02!22195 <50 <0.50 <0.50 <4.50 <0.50 12.18 -8.8 <br /> 03/16/95 <50 <0.50 <4.50 <0.50 <0.50 11.37 7.94 <br /> 05126/95 <50 <0.50 <0.50 <0.50 <0.50 NR NR <br /> ' --06122195 - <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 /> ' 06104/96T < 225 <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 H.2 -7.82 <br /> 12/09/96 <50 <0.51 <0.5 <0.5 <0.5 350 NR 11.29 -7.91 <br /> 02/l 1197_ <50- - <0.5 _ <0.5 _ <0.5 <0.5 340 NR ----- 8.75__ _ ___5.37 <br /> 06/04/97 <50� <0.5 <0.5 <0.5 <0.5 220 NR 9.66 -6.28 <br /> 09/03/97 <50 <0.5 Y <0.5 ---<0.5 <0.5 1,100W 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!10198 <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 /> 09/22/98 <50 <0.5 <0.5 <0.5 <0.5 2,100 NR 9.25 -5.87 <br /> 12/03/48 <50 <0.5 <0.5 <0.5 <0.5 2,500 NR 9.48 -6.10 <br /> - <br /> 03/17/99 <50 <0.5 <0.5 <0.5 <0.5 1,970 NR 8.84 -5.46 <br /> 06/07/49 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 /> 9/9 <br /> 12/09 4,600 <25 32 J _<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 /> 09/18/00 3,100 _ <l0 <10 <l0 <10 2,540 NR 9.39 6.01 <br /> 1 Iln pm#re \Qu,l.Swp(r2503)�Q5 132(cAHO)1Tablce4Gmu,dwmlcr Mnnimriny TablcAHi't di l Page 5 of 8 <br />