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<br /> WELL CONCENTRATIONS
<br /> 11 i
<br /> Former Texaco Service Station
<br /> 444 W. Charter Way
<br /> Stockton, CA
<br /> ' 1
<br /> MTBE MTBE Depth to GW SPH
<br /> Well ID Date TPPH TEPH B T E X 8024 8260 TOC Water Elevation Thickness
<br /> u IL u IL u /L u ILI (ug/Lj_Lq1L IL ucL/LL MSL ft MSL ft
<br /> fl II
<br /> MW4 02/05/1992 160,000 NA 17,000" 5,40d1 2,100 4,400 NA NA 1009 4043 -3035 NA
<br /> MW-4 05/15/1992 81,000 NA 18,000 6,60d1 2,000 4,400 NA NA 1009 3959 -2951 NA
<br /> MW-4 10/1611992 NA NA NA [ NA 11 NA NA NA NA 1009 41 93 -3185 NA
<br /> MW-4 12/17/1992 340,000 NA 51,000 38,000 6,500 18,000 NA NA 1009 4208 .-3200 NA
<br /> G MW-4 03/18/1993 140,000 NA 20,000 5,2001 1 2,200 4,900 NA NA 1009 3977 -2969 NA
<br />'i MW-4 06/1011993 110,000 NA 8,600 1.6001 1 2,100 3,000 NA NA 1009 3786 -2778 NA
<br /> MW-4 09/20/1993 120,000 NA 23,000 38,000 2,900 7,100 NA NA 1009 NA NA NA
<br /> MW-4 10/22/1993 NA NA NA NA 11 NA NA NA NA 1009 3885 -2876 NA
<br /> MW-4 12/22/1993 NA NA NA NA [[ NA NA NA NA 1009 3835 -2826 NA
<br /> MW-4 03/16/1994 78,000 NA 14,000 ,1,1001 2,100 1,200 NA NA 1009 3770 -2761 Sheen
<br /> MW-4 06/15/1994 20,000 NA 19,000,1 ;1,200`1 1,200 950 NA NA 1009 3722 -2713 NA
<br /> MW-4 09122/1994 49,000 NA 12,000, ,1,800;[ 1,100 1,200 NA NA 1009 3864 -2855 NA
<br />` MW-4 12/01/1994 57,000 NA 17,000 3,500;1 1,700 2,100 NA NA 1009 3878 -2869 Sheen
<br /> MW-4 02/1611995 64,000 NA 16,000, 8,500[[ 1,900 4,100 NA NA 1009 3580 -2571 NA
<br /> k q MW-4 05117/1995 52,000 NA 15,000 5,800[[ 1,500 3,200 NA NA 1009 3112 -2103 NA
<br /> MW4 08/15/1995 32,000 NA 12,000 1184011 800 1,000 <1,000 NA 1009 3071 -2062 NA
<br />€ MW-4 11/16/1995 61,000 NA 18,000 5,50011 1,800 3,600 NA NA 1009 3105 -2096 NA
<br /> MW4 02/27/1996 62,000 NA 15,000 6,80011 1,700 3,900 NA NA 1009 2800 -1791 NA
<br /> MW-4 05/15/1996 14,000 NA 4,800 ' 1,30011 450 860 NA NA 1009 2620 -1611 NA
<br /> MW-4 08/22/1996 4,200 NA 1,100 1 1127 11 48 110 <200 NA 1009 2693 -1684 NA
<br /> MW-4 11/25/1996 5,600 NA 1,900 X1310 11 110 180 <300 NA 1009 2700 -1691 NA
<br /> MW4 02/24/1997 21,000 NA 5,000 2,20011 660 1,800 <600 NA 1009 2338 -1329 NA
<br /> MW-4 05/19/1997 640 NA 150 '' 1194 11 36 41 <30 NA 1009 2297 -1288 NA
<br /> MW4 08/2111997 1,000 1 NA 1 46 1114 11 16 18 <80 NA 1009 2402 -13 93 NA
<br /> MW4 11/18/1997 210 NA 14 r 1110 11 08 09 <30 NA 1009 2505 -1496 NA
<br /> MW-4 0210911998 810 NA 130 X127 11 35 51 <30 NA 1009 2280 -1271 1 NA
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