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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 /> EellD 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-11 12/22/1993 NA NA NA NA NA NA NA 10 17 3940 -2923 None
<br /> MW-11 03/16/1994 120,000 12,000 13,000 2,400 6,900 NA NA 1017 3870 -2853 None
<br /> MW-11 06/1511994 16,000 4,300 2,100 490 130 NA NA 1017 3827 -2810 None
<br /> MW-11 09/22/1994 45,000 5,500 4,700 980 3,300 NA NA 1017 3973 -2956 None
<br /> MW-11 12101/1994 68,000 13,000 12,000 1,800 5,800 NA NA 1017 3975 -2958 None
<br /> MW-11 02/16/1995 73,000 14,000 12,000 2,200 6,400 NA NA 1017 3655 -2638 None
<br /> Ml 05/17/1995 17,000 1,900 2,400 470 1,400 NA NA 1017 3218 -2201 None
<br /> Ml 08/15/1995 2,700 870 35 14 40 <100 NA 1017 3180 -2163 None
<br /> MW-11 11/16/1995 49,000 10,000 8,900 1,200 4,700 NA NA 1017 3220 -2203 None
<br /> Ml 02/27/1996 5,100 1,300 470 92 290 NA NA 1017 2937 -1920 None
<br /> MW-11 05/15/1996 66,000 18,000 9,200 2,000 8,000 NA NA 1017 2765 -1748 None
<br /> MW-11 08/22/1996 17,000 4,700 1,600 340 1,200 <600 NA 1017 2832 -1815 None
<br /> MW-11 11/25/1996 5,600 2,100 240 63 210 <600 NA 1017 2835 -1818 None
<br /> MW-11 02/24/1997 910,000 20,000 15,000 <50 <50 <3000 NA 1017 2456 -1439 None
<br /> MW-11 05/19/1997 39,000 13,000 3,300 1,200 4,100 <2000 NA 1017 2420 -1403 None
<br /> Ml 08/21/1997 110,000 27,000 19,000 2,800 11,000 <3000 NA 1017 2529 -1512 None
<br /> Ml 11/18/1997 32,000 8,100 3,900 630 2,100 420 NA 1017 2627 -16 10 None
<br /> MW-11 02/0911998 86,000 23,000 15,000 2,300 9,400 <600 NA 1017 2406 -1389 None
<br /> Ml 05/21/1998 110,000 19,000 1,100 1,500 4,600 640 NA 1017 1971 -954 None
<br /> Ml 1 08/11/1998 31,000 12,000 1,200 710 1,500 150 NA 1017 1974 -957 None
<br /> Ml 11/09/1998 25,000 6,800 2,100 390 1,300 <50 NA 1017 2097 -1080 None
<br /> Ml 1 02/17/1999 1,500 687 569 <1 00 1 29 146 NA 1017 2053 -1036 None
<br /> MW-11 05/25/1999 2,500 980 <10 61 1 <10 1 <50 NA 1017 1935 -918 None
<br /> MW-13 09120/1993 65 34 19 09 11 NA NA NA NA NA NA
<br /> MW-13 10/22/1993 NA NA NA NA NA NA NA 921 3765 -2844 None
<br /> Ml 12/22/1993 NA NA NA NA NA NA NA 921 3736 -2815 None
<br /> MW-13 03/1611994 NA NA NA NA NA NA NA 921 NA NA NA
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