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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) (ug1L) (ug/L) (ug/L) (ug/L) (MSL) (ft ) (MSL) (ft )
<br /> MW-3 08/11/1998 3,500 290 26 22 56 <5 0 NA 1134 2056 -922 NA
<br /> MW-3 11/09/1998 5,400 430 82 57 150 <12 NA 1134 2179 -1045 NA
<br /> MW-3 02/17/1999 597 161 <0 500 <0 500 <0 500 <2 00 NA 1134 2205 -1071 NA
<br /> MW-3 05/25/1999 4,800 770 130 190 530 110 NA 1134 2067 -933 NA
<br /> MW-3 08/1811999 Well inaccessible NA NA NA NA NA 1134 NA NA NA
<br /> MW-3 11/05/1999 1,050 234 306 128 413 499 NA 1134 1928 -794 NA
<br /> MW-3 02/22/2000 2,050 195 235 <10 0 336 121 NA 1134 1953 -819 NA
<br /> BMW 3 0511612 OF1k m 21 E nF f. �� _ �° ' X28.7 %$ - X60 x:06 11.34 20.03
<br /> MW-4 02/05/1992 160,000 17,000 5,400 2,100 4,400 NA NA 1009 4043 -3035 NA
<br /> MW-4 05/15/1992 81,000 18,000 6,600 2,000 4,400 NA NA 1009 3959 -2951 NA
<br /> MW-4 10/15/1992 NA NA NA NA NA NA NA 1009 4193 -3185 NA
<br /> MW-4 12/17/1992 340,000 51,000 38,000 6,500 18,000 NA NA 1009 4208 -3200 NA
<br /> MW-4 03/18/1993 140,000 20,000 5,200 2,200 4,900 NA NA 1009 3977 -2969 NA
<br /> MW-4 06/10/1993 110,000 8,600 1,600 2,100 3,000 NA NA 1009 3786 -2778 NA
<br /> MW-4 09/20/1993 120,000 23,000 38,000 2,900 7,100 NA NA 1009 NA NA NA
<br /> MW-4 10/22/1993 NA NA NA NA NA NA NA 10 09 3885 -2876 NA
<br /> MW-4 12/22/1993 NA NA NA NA NA NA NA 1009 3835 -28 26 NA
<br /> MW-4 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 NA
<br /> MW-4 09/22/1994 49,000 12,000 1,800 1,100 1,200 NA NA 1009 3864 -2855 NA
<br /> MW4 12/01/1994 57,000 17,000 3,500 1,700 2,100 NA NA 1009 3878 -2869 Sheen
<br /> MW-4 02116/1995 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 3112 -2103 NA
<br /> MW4 08/15/1995 32,000 12,000 840 800 1,000 <1,000 NA 1009 3071 -2o62 NA
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