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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-9 09/20/1993 62,000 11,000 3,500 1,300 1,500 NA NA 999 NA NA NA
<br /> MW-9 10/22/1993 NA NA NA NA NA NA NA 999 3941 -2942 NA
<br /> MW-9 12/22/1993 NA NA NA NA NA NA NA 999 3937 -2938 NA
<br /> MW-9 03/16/1994 34,000 6,100 600 490 680 NA NA 999 3869 -2870 NA
<br /> MW-9 06/15/1994 7,500 7,200 270 180 370 NA NA 999 3822 -2823 NA
<br /> MW-9 09/22/1994 24,000 6,000 1,000 340 690 NA NA 999 3970 -2971 NA
<br /> MW-9 12/01/1994 60,000 16,000 7,600 1,700 4,700 NA NA 999 3972 -2973 NA
<br /> MW-9 02/16/1995 50,000 14,000 4,900 1,400 3,200 NA NA 999 3654 -2655 NA
<br /> MW-9 05/17/1995 17,000 3,800 810 320 850 NA NA 999 3209 -2210 NA
<br /> MW-9 08/15/1995 43,000 12,000 4,300 940 3,000 <1,000 NA 999 31 75 -21 76 NA
<br /> MW-9 11/16/1995 19,000 8,000 680 260 610 NA NA 999 3202 -2203 NA
<br /> MW-9 02/27/1996 20,000 9,700 300 190 480 NA NA 999 2950 -1951 NA
<br /> MW-9 05/15/1996 49,000 17,000 4,200 1,200 3,400 NA NA 999 2725 -1726 NA
<br /> MW-9 08/22/1996 17,000 7,600 170 160 450 <2,000 NA 999 2817 -1818 NA
<br /> MW-9 11/25/1996 18,000 8,800 580 170 560 <2,000 NA 999 2800 -1801 NA
<br /> MW-9 02/24/1997 37,000 12,000 2,200 550 1,900 <2,000 NA 999 2447 -1448 NA
<br /> MW-9 05/19/1997 15,000 14,000 350 240 750 <300 NA 999 2420 -1421 NA
<br /> MW-9 08/21/1997 38,000 17,000 310 250 630 <600 NA 999 2515 -1516 NA
<br /> MW-9 11(1811997 1,800 7,300 150 91 280 560 NA 999 2614 -1615 NA
<br /> MW-9 02/09/1998 34,000 15,000 780 310 1,200 <600 NA 999 2396 -1397 NA
<br /> MW-9 05/21/1998 58,000 7,900 1,000 430 1,100 620 NA 999 1967 -968 NA
<br /> MW-9 08/11/1998 12,000 3,900 94 51 140 150 NA 999 1963 -964 NA
<br /> MW-9 11/09/1998 12,000 3,500 140 64 130 <25 NA 999 2090 -1091 NA
<br /> MW-9 02/17/1999 6,100 2,700 248 <5 00 100 467 NA 999 2053 -1054 NA
<br /> MW-9 1 05/25/1999 11,000 3,800 50 56 100 <250 NA 999 1937 -938 NA
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