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<br /> WELL CONCENTRATIONS
<br /> I; Shell-branded Service Station t
<br /> 16131 Pacific Avenue �
<br /> Stockton, CA E
<br /> Wic #204-7525-0104
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<br /> �I I MTBE MTBE Depth to Depth to GW 5PH f DO
<br /> We(I IDI Date TPPH B T E I X 8020 8260 TOC Water SPH Elevation Thickness Reading
<br /> 1 (ug1L) (uglL) {ug/L) (ug1L)I (ug/L) (ug/L) (ug/L) (MSL) {ft ) I (ft ) I(MSL) (ft ) (ppm)
<br /> MW-6 05/20/1998 18,000 3,600 2,700 ;140 I !1,11100 730 ND 101 16 3640 NA 6476 000 I NA
<br /> MW-6 07/29/1998 <5000 1,800 58 <50 II 1150 <250 ND 101 16 3572 NA 6544 000 I NA
<br /> MW-6 11!2311998 2900 460 370 24 II 11310 <50 <2 0 101 16 3534 I NA i 6582 000 I NA
<br /> MW-6 02/24/1999 8500 1000 380 ,120 II IWO 380 <100 101 16 3351 i NA 6765 000 I NA
<br /> MW-6 05/13/1999 4020 690 <25 0 825 II 1I77 0 <250 <20 0 1 101 16 32 75 ! NA 1 6841 0001 NA
<br /> MW-6 08120!1999 1 688 $'21 J, 0 623 i<50011 ` '-"0,500 <5 00 <2 00 101 16 34 SO o,A NA" �'�66 36°' s TO 00 j r " NA-,,-;
<br /> MW-7 10/10/1997 3,000 280 26 <2 5 II II 130 19 ND 9989 4220 NA 5769 000 I NA
<br /> MW-7 02/10/1998 67,000 7,900 13,000 1',2001 1'7,300 940 ND 9989 3755 NA 6234 000 I NA
<br /> MW-7 05/2011998 38,000 8,600 13,000 1',200!1 `6,900 <250 ND 9989 3447 NA 6542 000 I NA
<br /> MW-7 07/29/1998 11,000 4,000 230 260 II 111�10 <500 ND 9989 3412 NA 6577 000 I NA
<br /> MW-7 11/23/1998 41,000 7,200 6,400 970 II '5,1400 <250 <66 9989 3482 I NA 6507 0 00 I NA
<br /> MW-7 02124/1999 30,000 5,600 3,800 820 II '3,000 11200 <33 4 9989 3223 NA 1 6766 0 00 1 NA
<br /> MW-7 05/13/1999 38,600 6,540 4,660 1,1901! 1 `3 490 1,070 <100 9989 3239 I NA 1 6750 0001 NA
<br /> MW-7 '08120/1999 21;300 2;530 2,600 '379 4�1 !2;300 <250 <20 0 9989, _ 3368 ,,NA t 6621 - -,0001, :NA
<br /> VEW-1 09/05/1996 3,500 55 60 '410 II II J80 93 91 NA 1892 I NA I NA 0001 NA
<br /> I II !f I i I
<br /> VEW-2 09/05/1996 NA NA NA 'NA If II C A NA NA NA Dry NA NA NA ; NA
<br /> VEW-2 11/26/1996 NA NA NA INA II II NA NA NA NA Dry NA i NA NAI NA
<br /> VEW-2 02/26/1997 NA NA NA INA I II NA NA NA NA D NA NA NAI NA
<br /> VEW-2 06/10/1997 NA NA NA !,NA II II �A NA NA NA Dry NA NA NAI NA
<br /> VEW-2 08/22/1997 NA NA NA NA II II �A NA NA NA Dry NA NA NAI NA
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<br /> VEW-2 1010911997 NA NA NA ,INA iI II �A NA NA NA Dry NA , NA NAI NA
<br /> VEW-2 02/10/1998 120,000 4 500 20,000 1,800111 A 000 <1000 ND NA 3801 E NA NA 000 I NA
<br /> VEW-2 05/20/1998 120,000 4,200 20 000 1,90011! 24,000 <2500 ND NA �34 81 NA i NA 0 001 NA
<br /> VEW-2 07/29/1998 10,000 4,600 21,000 1,800;1 20,000 <1000 ND NA 3510 NA I NA 0001 NA_
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