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WELL CONCENTRATIONS
<br /> Former Texaco Service Station
<br /> 440 W. Charter Way
<br /> Stockton, CA
<br /> MTBE Depth to GW SPH
<br /> Well ID Date TPPH B T E X MTBE 8020 8260 TOC Water Elevation Thickness
<br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (MSL) (ft) (MSL) (ft)
<br /> MW-5 03/1811993 42,000 6,500 570 940 1,700 NA NA 1027 4012 -2986 NA
<br /> MW-5 06110/1993 52,000 6,500 400 700 1,600 NA NA 1027 3851 -2825 NA
<br /> MW-5 09/20/1993 180,000 9,800 14,000 4,000 28,000 NA NA 1027 NA NA NA
<br /> MW-5 10/22/1993 NA NA NA NA NA NA NA 1027 3960 -2933 NA
<br /> MW-5 12/22/1993 NA NA NA NA NA NA NA 1027 3956 -2929 NA
<br /> MW-5 03/16/1994 32,000 4,100 600 820 1,500 NA NA 1027 3888 -2861 Sheen
<br /> MW-5 06/15/1994 15,000 8,300 610 610 1,000 NA NA 1027 3842 -2815 NA
<br /> MW-5 09122/1994 49,000 8,400 1,100 590 1,300 NA NA 1027 3993 -2966 NA
<br /> MW-5 12/01/1994 36,000 7,100 950 730 1,500 NA NA 1027 3990 -2963 NA
<br /> MW-5 02/16/1995 15,000 3,800 120 380 420 NA NA 1027 3680 -2653 NA
<br /> MW-5 05/1711995 18,000 5,600 150 610 660 NA NA 1027 3228 -2201 NA
<br /> MW-5 08/15/1995 23,000 6,800 300 620 710 <500 NA 1027 3195 -21 68 NA
<br /> MW-5 11/16/1995 21,000 8,200 240 500 460 NA NA 1027 3230 -2203 NA
<br /> MW-5 02/27/1996 24,000 8,800 580 630 750 NA NA 1027 2930 -1903 NA
<br /> MW-5 05/15/1996 14,000 6,100 72 230 170 NA NA 1027 2755 -1728 NA
<br /> MW-5 08/22/1996 8,700 3,500 42 78 65 <600 NA 1027 2824 -1797 NA
<br /> MW-5 11/25/1996 15,000 6,000 160 250 230 <2,000 NA 1027 2840 -1813 NA
<br /> MW-5 02/24/1997 12,000 5,900 120 210 180 <600 NA 1027 2466 -1439 NA
<br /> MW-5 05/19/1997 2,000 890 15 16 22 <300 NA 1027 2410 -1383 NA
<br /> MW-5 08/21/1997 30,000 11,000 390 390 460 <2,000 NA 1027 2403 -1376 NA
<br /> MW-5 11/18/1997 18,000 7,600 50 130 110 <200 NA 1027 2628 -1601 NA
<br /> MW-5 02/09/1998 4,900 2,400 89 23 22 54 NA 1027 2409 -1382 NA
<br /> MW-5 05/21/1998 780 140 10 30 1 1 33 NA 1027 19 81 -954 NA
<br /> MW-5 08/11/1998 11,000 3,800 110 140 160 180 NA 1027 1991 -964 NA
<br /> MW-5 11/09/19985,400 1,900 <5 0 75 63 110 NA 1027 2087 -1060 NA
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