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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton, California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) ft ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-7 12/8/1994 1565 -1449 040 <50 <05 <0 5 <0 5 <0 5 <br /> (cont) 3/8/1995 1301 -- -1185 264 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/1/1995 11 69 -1053 1 32 67 <0 5 <0 5 35 1 2 <br /> 9/11/1995 1385 -1269 -216 75 <0 5 <0 5 05 <05 <br /> 12/5/1995 1420 -- -1304 -035 -- - _ <br /> 3/18/1996 918 - -802 502 <50 <0 5 <05 <0 5 <0 5 <br /> 6/18/1996 1000 - -884 -082 - -- - _ _ <br /> 9/25/1996 1247 -1131 -247 56 <05 <0 5 <0 5 <0 5 <5 <br /> 12/4/1996 1188 -- -1072 059 -- -- -- <br /> 3/19/1997 NP 734 -- -618 454 <50 <05 <0 5 <0 5 <0 5 - 02 <br /> 6/5/1997 P 887 -- -771 -153 - - 0 3 <br /> 8119/1997 NP 1042 -- -926 -155 54 <0 5 <0 5 <0 5 <0 5 <5 02 <br /> 11125/1997 P 1059 -- -943 -017 - - <br /> 3/19/1998 P 432 -- -316 627 <50 <0 5 <0 5 <0 5 <0 5 <5 21 <br /> 6/24/1998 639 -523 207 -- - - <br /> 9/10/1998 NP 815 -- -699 176 <50 <0 5 <05 <0 5 <0 5 <5 <br /> 12/17/1998 821 -- -705 -006 - _- __ _ <br /> 3/10/1999 NP 595 -479 226 <50 <0 5 <05 <0 5 <0 5 <5 2 9 <br /> 6/22/1999 792 -- -676 -197 - -- - _ 2 9 <br /> 9/13/1999 NP 966 -- -850 -174 <50 <05 <0 5 <0 5 <0 5 <5 1 8 <br /> 12/15/1999 961 -- -845 005 -- - -- 67 <br /> 3/23/2000 P 4 84 -368 477 <50 <05 <0 5 <0 5 <0 5 <250 34 <br /> 6/21/2000 710 -- -594 -226 - - - 005 <br /> 9/13/2000 NP 889 -773 -179 <50 <0 5 <0 5 <0 5 <0 5 <250 1 58 <br /> 12/15/2000 838 -- -722 051 - - - - - 085 <br /> 3/1/2001 NP 627 -- -511 211 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 26 <br /> 5/10/2001 636 .. -520 -009 -- - - - 24 <br /> 8/22/2001 P 918 -- -802 -282 <50 <0 50 <0 50 <0 50 <0 50 <25 - <br /> 12/5/2001 825 -- -709 093 - -- - - - <br /> 3/11/2002 P 6 54 - -538 171 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 43 <br /> 6/6/2002 746 -630 -092 - -- - - - 068 <br /> 9/24/2002 P 9 34 -- -818 -188 <50 <050 <0 50 <0 50 <0 50 <25 1 20 <br /> 12/17/2002 746 -- -630 1 88 -- -- - <br /> 3/18/2003 P 744 — -628 002 <50 <050 <0 50 <0 50 <0 50 <2 5 1 52 <br /> Projects/ARCO/2133/Reports/Tables/gwtabies2133 As 13 <br />