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WELL CONCENTRATIONS •
<br /> Former Texaco Service Station
<br /> 440 W. Charter Way
<br /> Stockton, CA
<br /> MTBE MTBE Depth to GW SPH DO
<br /> Well ID Date TPPH TEPH B T E X 8020 8260 TOC Water Elevation Thickness Reading
<br /> u IL u IL u IL u IL u IL u IL u IL u IL MSL ft MSL ft m
<br /> MW-4 03/16/1994 78,000 NA 14,000 1,100 2,100 1,200 NA NA 10 09 3770 -2761 Sheen NA
<br /> MW4 06/15/1994 20,000 NA 19,000 1,200 1,200 950 NA NA 1009 3722 -2713 NA NA
<br /> MW-4 09/22/1994 49,000 NA 12,000 1,800 1,100 1,200 NA NA 1009 3864 -2855 NA NA
<br /> MW4 12/01/1994 57,000 NA 17,000 3,500 1,700 2,100 NA NA 1009 3878 -2869 Sheen NA
<br /> MW4 02/16/1995 64,000 NA 16,000 8,500 1,900 4,100 NA NA 1009 3580 -2571 NA NA
<br /> MW
<br /> -4 05/17/1995 52,000 NA 15,000 5,800 1,500 3,200 NA NA 1009 31 12 -2103 NA NA
<br /> MW-4 08/15/1995 32,000 NA 12,000 840 800 1,000 <1,000 NA 1009 3071 -2062 NA NA
<br /> MW-4 11/16/1995 61,000 NA 18,000 5,500 1,800 3,600 NA NA 1009 3106 -2096 NA NA
<br /> MW-4 02/27/1996 62,000 NA 15,000 6,800 1,700 3,900 NA NA 1009 2800 -1791 NA NA
<br /> MW4 05/15/1996 14,000 NA 4,800 1,300 450 860 NA NA 1009 2620 -1611 NA NA
<br /> MW4 08/22/1996 4,200 NA 1,100 27 48 110 <200 NA 1009 2693 -1684 NA NA
<br /> MW-4 11/25/1996 5,600 NA 1,900 310 110 180 <300 NA 1009 2700 -1691 NA NA
<br /> MW-4 02/24/1997 21,000 NA 5,000 2,200 660 1,800 <600 NA 1009 2338 -1329 NA NA
<br /> MW-4 05/19/1997 640 NA 150 94 36 41 <30 NA 1009 2297 -1288 NA NA
<br /> MW-4 08/21/1997 1,000 NA 46 14 16 18 <80 NA 1009 2402 -1393 NA NA
<br /> MW-4 11/18/1997 210 NA 14 10 08 09 <30 NA 1009 2505 -1496 NA NA
<br /> MW-4 02/09/1998 810 NA 130 27 35 51 <30 NA 1009 2280 -1271 NA NA
<br /> MW-4 05/21/1998 5,200 NA 1,000 24 38 30 200 NA 1009 1858 -849 NA NA
<br /> MW-4 08/11/1998 360 NA 33 <0 5 <05 <0 5 25 NA 1009 1878 -869 NA NA
<br /> MW-4 11/09/1998 190 NA 40 <0 50 <0 50 052 <2 5 NA 1009 1985 -976 NA NA
<br /> MW-4 02/17/1999 <50 0 NA <0 500 <0 500 <0 500 <0 500 <2 00 NA 1009 2003 -994 NA NA
<br /> MW-4 05/25/1999 230 NA 35 14 63 30 63 NA 1009 1879 -870 NA NA
<br /> MW-4 08/1811999 <50 0 NA <0 500 <0 500 <0 500 <0 500 <2 50 NA 1009 1921 -912 NA NA
<br /> MW4 11/05/1999 308 NA 357 397 11 1 446 <2 50 NA 1009 2049 -10-40 NA NA
<br /> MW-4 02/22/2000 821 NA <0 500 <0 500 <0 500 0 960 147 NA 1009 21 10 -1101 NA NA
<br /> MW4 05/16/2000 234 NA 14 2 1 0 523 <0 5OLL <0 500 386 180 1009 1831 -822 NA NA
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