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<br /> WELL CONCENTRATIONS
<br /> Shell-branded Service Station
<br /> 1 6131 Pacific Avenue
<br /> Stockton, CA
<br /> f ' Wic #244-7525-0104
<br /> 1 MTBE MTBE Depth to Depth to 1GW SPH DO
<br /> Well ID Date TPPH B T _ E �X 8020 8260 TOC Water SPH Elevation Thickness Reading
<br /> u'IL u IL u 1'L' u IL u9 IL u IL u IL MSL ft ft MSL ft m
<br /> 1 ' if III I I
<br /> MVV-7 05/13/1999 38,600 6,540 4,660 1,190 fl 31490 1,070 <100 9989 3239 1 NA 6750 NA NA
<br /> MW-7 08/20/1999 21,300 2,530 2,600 379 11 21300 <250 <20 0 9989 3368 ;NA 6621 NA NA
<br /> MW-7 11/02/1999 21,800 3,980 2,200 682 Ill 21'160 666 NA 9989 3353 INA 6636 NA NA
<br /> MVV-7 02/03/2000 32,600 6,070 4,950 643 31,860 2,800 <40 0 9989 31 70 INA 6819 NA NA
<br /> MW-7 05/15/2000 21,000 3,300 2,180 303 11 1;900 220 <1 00a 9989 3178 INA 6811 NA NA
<br /> MVI-7 08/16/2000 4,000 828 314 415 149 <100 <20 0 9989 3500 INA 6489 NA NA
<br /> MW-7 1 11/2112000 211,900a 4,270a 2,410a 361a IE 2,900a 1,450a <100a 9989 3258 INA 1 6731 1 NA NA
<br /> MW-7 03/16/2001 27,100 4,640 3,090 633 i1 31890 406 <10 0 9989 3072 1 NA 6917 NA NA
<br /> MW-7 05!1112001 27,000 3,900 1,900670 31,200 NA <20 9989 3077 [NA 6912 NA NA
<br /> VEW-1 09/05/9996 1 3,500 55 60P 410 II 380 93 91 NA 1892 INA INA NA NA
<br /> !' li III I I
<br /> VEW-2 09/05/1996 NA NA NA' NA it NA NA NA NA Dry INA INA NA NA
<br /> VEW-2 11/26/1996 NA NA NAS NA { NA NA NA NA _D2 INA 1 NA NA NA
<br /> VEW-2 02/26/1997 NA NA NAt NA 11 NA NA NA NA Dry INA 1 NA NA NA
<br /> VEW-2 06/10/1997 NA NA NA, NA i1 NA NA NA NA Dry INA I NA NA NA
<br /> VEW-2 08/22/1997 NA NA NAt NA NA NA NA NA D NA I NA NA NA
<br /> VEW-2 10/09/1997 NA NA NA, NA ;1 NA NA NA NA Dry i NA INA NA NA
<br /> VEVV-2 02/10/1998 120,000 4,500 20,000 1,800 11 26,000 <1,000 ND NA 3801 INA INA NA NA
<br /> VEW-2 05/20/1998 120,000 4,200 1 20,000 1,900 24';000 <2,500 ND NA 3481 1 N I`NA NA NA
<br /> VEW-2 07/29/1998 10,000 4,600 21,000 1,800 26',000 <1,000 ND NA 3510 INA INA NA NA
<br /> VEW-2 11/23/1998 120,000 3,600 17,000 1,600 24000 <1,000 <200 NA 3441 INA INA NA NA
<br /> VEW-2 02/24/1999 75;000 2,400 14,000 1,400 f 14,000 310 <100 NA 3247 1 NA INA NA NA
<br /> VEW-2 05/13/1999 117,000 3,130 14,100 1,500 22,000 <1,250 <125 NA 3139 INA CNA NA NA
<br /> VEW-2 08/20/1999 110,000 3,240 15,600 1,700 19,100 <2,500 636 NA 3448 INA INA NA NA
<br /> VEW-2 11/02/1999 115,000 4,130 25,200 <250 23,200 <1,250 NA NA 3423 INA INA NA NA
<br /> VEW-2 02/03/2000 88,900 3,090 10,300 1,850 20,400 1 <500 NA NA 3255 INA INA NA NA
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