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TABLE I
<br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALVSES
<br /> QUIK STOP MARKET NO. 132
<br /> 2555 WEST HAMMER LANE
<br /> STOCKTON,CALIFORNIA
<br /> i
<br /> Ethyl- Total Well Depth to Groundwater
<br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE COZ Elevation Groundwater Elevation
<br /> ' Sampled (uglL) (uglL) (uglL) (ug/L) (ueL) (uglL) {mglL) (ft above MSL) (feet) (ft above MSL)
<br /> Well MW--S
<br /> 04108191 210 3.4 <0.50 <0.50 2.1 3.38 14.2 -10.82
<br /> 07/31/91 1,900 28 9_5 30 7.1 1527 -11.89
<br /> 09/11/91 1,100 2.6 1.9 18 2.3 15.45 -12.07
<br /> ]0/35/91 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 0.6 066 -12.28
<br /> 03/18/92 670 <0.50 <0.50 40.50 <0.50 14,72 -11.34
<br /> ' 05105!92 610 <050 <0.50 <0.50 <0,50
<br /> 14.76 -11.38
<br /> 06116192 650 2.9 <0,50 <0.50 <0.50 15.1 t -11.73
<br /> 09122!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 /> 122/21/92 150 <0.50 0.7 0.6 0.7 17.79 -14.41
<br /> 03/t7/93 280 <0.50 <0.50 0.6 0.7 12.85 447
<br /> 06/18/93 500 1 <0.50 <0.50 <0.50 12.36 -8.98
<br /> 1 12/17793 <50 <0.50 <0.50 <0,50 <0.50 13.2 -992
<br /> 03!25194 <50 <0,50 <0.50 <0.50 <0.50 12.82 -9.44
<br /> 06!21194 <50 <0.50 <0.50 <0,50 <0,50 12,69 .9.31
<br /> 08Po2194 53 <0.50 <0.50 <0.50 <0.50 12.85 -9.47
<br /> 09/13194 <50 <0.50 <0.50 <0.50 <0.50 13,14 -9.76
<br /> 12/09194 56 <0.50 <0.50 <0.50 Q.50 13.74 -10.36
<br /> 02/22/95 <50 <0.50 <0.50 <0.50 0.50 12,18 -8.8
<br /> 03!16195 <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 /> 06122/95 <50 <0,50 <0,50 <0,50 <0,50 11.36 -7.98
<br /> 09126!95 <50 <0.50 <0.50 Q.50 <0.50 790 12.35 -8,97
<br /> ' 12121!95 <50 <O50 40,50 <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!17196 <50 <0.5 <0.5 <0.5 <0.5 510 NR 11,2 -7,92
<br /> 17/09/96 <50 <0.5 <0.5 <0.5 Q.5 350 NR 12 29 -7.91
<br /> 02/11/97 <50 <0.5 <0.5 <q5 <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 /> 09/03!97 <50 <0.5 <0.5 <0.5 Q.5 1,100 NR 10.34 -696
<br /> 1 12!04197 <50 <0 5 <0.5 <0,5 <0.5 880 NR 10.75 -7.37
<br /> 03110/98 <50 <0,5 <0.5 <0,5 <0.5 1,400 NR 6.95 -3.57
<br /> 06108198 <50 <0.5 <0.5 <0.5 <0.5 1,600 NR 7.76 4.38
<br /> 09122198 <50 <0.5 <0,5 @5 <0.5 2,100 NR
<br /> 9.25 -5.87
<br /> 12/03/98 <50 <0.5 Q.5 <0.5 <0.5 2,530 NR 9.48 -6.1
<br /> 03/17/99 <50 <0.5 <0.5 <0.5 <0,5 1,970 NR 8.84 -5,46
<br /> 06!07199 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 -6,1
<br /> I2/09199 4,600 <25 32 <25 55 6,300 NR 10.02 -6.64
<br /> 03/27/00 2,500 <1'-.5 <12.5 <12.5 <12.5 7,000 NR 7,16 -3.98
<br /> 06115100 <5000 <50 <50 <50 <50 5,500 NR 821 -4.83
<br /> ' 09118100 3,100 <10 <10 <10 <t0 2,500 NR 9.39 -6.01
<br /> 11130/00 2,700 27 39 <25 <25 3,400 NR 9.84 -6.46
<br /> 02/23/01 2,800 <0.5 Q.5 <0.5 64 3,400 NR 9.75 -6.37
<br /> 05!22101 1,000 <10 <10 <10 <10 2,000 NR 9.00 -5.62
<br /> 08!23701 1,600 <10 <10 <10 <10 2,400 NR
<br /> 10.02 -6.64
<br /> 1MOM1 <1000 <20 <20 <20 <20 2,800 NR
<br /> ]0.58 -7,2
<br /> OV27102 <1000 <10 <10 <10 <20 2,20o NR 9.70 .6,32
<br /> 05/31102 <500 <5.0 <5.0 <5.0 <10 1,500 NR 9.55 -6,17
<br /> ' wonno �iurmnnk,: s.:aa.,i
<br /> Page 5of8
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