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WELL CONCITRATIONS
<br /> Former Texaco Service Station - -
<br /> 440 W Charter Way
<br /> Stockton, CA
<br /> MTBEDepth to GW SPH
<br /> Well ID Date TPPH B T E X MTBE 8020 8260 TOC Water Elevation Thickness
<br /> (ug/L) (u IL (u IL) (ug/L) (ugIL) u IL) u IL MSL ft MSL ft
<br /> MW-4 09/20/1993 120,000 23,000 38,000 2,900 7,100 1 NA NA 1009 NA NA NA
<br /> MW-4 10/22/1993 NA NA NA NA NA NA NA 1009 3885 -2876 NA
<br /> MW-4 12/22/1993 NA NA NA NA NA NA NA 1009 3835 -2826 NA
<br /> MW4 03/16/1994 78,000 14,000 1,100 2,100 1,200 NA NA 1009 3770 -2761 Sheen
<br /> MW-4 06/15/1994 20,000 19,000 1,200 1,200 950 NA NA 1009 3722 -2713 1 NA
<br /> MW-4 09/22/1994 49,000 12,000 1,800 1,100 1,200 NA NA 1009 3864 -2855 NA
<br /> MW-4 12/01/1994 57,000 17,000 3,500 1,700 2,100 NA NA 1009 3878 -2869 Sheen
<br /> MW-4 02/16/1995 64,000 16,000 8,500 1,900 4,100 NA NA 1009 3580 -2571 NA
<br /> MW-4 05/17/1995 52,000 15,000 5,800 1,500 3,200 NA NA 1009 31 12 -21 03 NA
<br /> MW4 08/15/1995 32,000 12,000 840 800 1,000 <1,000 NA 1009 3071 -2062 NA
<br /> MW4 11/16/1995 61,000 18,000 5,500 1,800 3,600 NA NA 1009 3105 -2096 NA
<br /> MW4 02/27/1996 62,000 15,000 6,800 1,700 3,900 NA NA 1009 2800 -1791 NA
<br /> MW-4 05/15/1996 14,000 4,800 1,300 450 860 NA NA 1009 2620 -1611 NA
<br /> MW4 08/22/1996 4,200 1,100 27 48 110 <200 NA 1009 2693 -1684 NA
<br /> MW-4 11/2511996 5,600 1,900 310 110 180 <300 NA 1009 2700 -1691 NA
<br /> MW-4 02/24/1997 21,000 5,000 2,200 660 1,800 <600 NA 1009 2338 -1329 NA
<br /> MW-4 05/19/1997 640 150 94 36 41 <30 NA 1009 2297 -1288 NA
<br /> MW-4 08/21/1997 1,000 46 14 16 18 <80 NA 1009 2402 -1393 NA
<br /> MW4 11/18/1997 210 14 10 08 09 <30 NA 1009 2505 -1496 NA
<br /> MW-4 02/09/1998 810 130 27 35 51 <30 NA 1009 2280 -1271 NA
<br /> MW-4 1 05/21/1998 5,200 1,000 24 38 1 30 200 NA 1009 1858 -849 NA
<br /> MW-4 08111/1998 360 33 <0 5 <0 5 <0 5 25 NA 10 09 1878 -869 NA
<br /> MW-4 11/09/1998 190 40 <0 50 <0 50 052 <2 5 NA 1009 1985 -976 NA
<br /> MW-4 02/17/1999 <50 0 <0 500 <0 500 <0 500 <0 500 <2 00 NA 1009 2003 -994 NA
<br /> MW4 05/25/1999 230 35 14 63 30 63 NA 1009 1879 -870 NA
<br /> MW4 08/18/1999 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 NA 1009 1921 -9 12 NA
<br /> MW4 11/05/1999 308 357 397 11 1 446 <2 50 NA 1009 2049 -1040 NA
<br /> MW4 ` ,0212212000 17-6257 I T--g 560-77 T<0 500 <,4 500 0 96014 TSNA,�K 10 09'F _"' 2i ,10- -11
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