WELL CONCIRTRATiONS
<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 /> (u IL) uglL) (ug/L) (u/L) (uglL) (ug/L) (ug/L) (MSL) ft } MSL (ft)
<br /> MW-1 02/05/1992 NA NA NA NA NA NA NA 1013 4045 -3033 030
<br /> MW-1 05/15/1992 NA NA NA NA NA NA NA 1013 3965 -2953 038
<br /> MW-1 10/15/1992 NA NA NA NA NA NA NA 1013 4224 -3212 034
<br /> MW-1 12/17/1992 NA NA NA NA NA NA NA 1013 4227 -3215 015
<br /> MW-1 03/18/1993 NA NA NA NA NA NA NA 1013 3995 -2983 005
<br /> MW-1 06/10/1993 190,000 6,400 9,300 2,000 20,000 NA NA 1013 3805 -2793 NA
<br /> MW-1 09/20/1993 9,200 1,000 99 340 710 NA NA 1013 NA NA NA
<br /> MW-1 10/22/1993 NA NA NA NA NA NA NA 1013 3911 -2898 NA
<br /> MWA 12/2211993 NA NA NA NA NA NA NA 1013 3917 -2904 NA
<br /> MW-1 03/16/1994 260,000 9,300 16,000 6,200 32,000 NA NA 1013 3855 -2842 Sheen
<br /> MW-1 06/15/1994 NA NA NA NA NA NA NA 1013 3805 -2792 Sheen
<br /> MW-1 09/22/1994 87,000 6,500 5,700 2,400 18,000 NA NA 1013 3947 -2934 NA
<br /> MW-1 12/01/1994 96,000 9,900 8,800 3,800 25,000 NA NA 1013 3966 -2953 Sheen
<br /> MW-1 02/16/1995 120,000 7,300 5,100 3,200 23,000 NA NA 1013 3665 -2652 NA
<br /> MW-1 05/17/1995 64,000 6,000 2,200 4,800 14,000 NA NA 1013 3204 -2191 NA
<br /> MW-1 08/15/1995 66,000 6,800 1,800 1,400 12,000 890 NA 1013 3160 -2147 NA
<br /> MW-1 11/16/1995 65,000 4,900 1,600 1,900 13,000 NA NA 1013 3200 -2187 NA
<br /> MW-1 02/27/1996 38,000 3,900 310 690 4,300 NA NA 1013 2888 -1875 NA
<br /> MW-1 01/19/1900 69,000 7,500 1,600 1,900 13,000 NA NA 1013 2712 -1699 Sheen
<br /> MW-1 08/22/1996 100,000 9,100 1,700 2,700 16,000 <2,000 NA 1013 2777 -1764 NA
<br /> MW-1 11/25/1996 97,000 9,400 1,100 2,800 16,000 <2,000 NA 1013 2808 -1795 NA
<br /> MW-1 02/24/1997 43,000 6,500 260 1,100 4,300 <600 NA 1013 2443 -1430 Sheen
<br /> MW-1 05/19/1997 20,000 4,100 92 350 3,100 <600 NA 1013 2388 -1375 NA
<br /> MWA 08/21/1997 18,000 1,600 11 470 1,800 <300 NA 1013 2458 -1445 NA
<br /> MW-1 11/18/1997 1 14,000 1 3,800 1 74 1 210 1 1,500 1 200 NA 1013 1 2589 -1576 NA
<br /> MW-1 02/09/1998 18,000 1 4,600 14 310 1,100 1 <600 NA 1013 2411 -1398 NA
<br /> MW-1 05/2111998 1,700 180 <0 5 730 21 55 NA 1013 1944 -931 NA
<br /> Page 1
<br />
|