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s � � <br /> 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) tt ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E 11 8/19/1997 NP 1264 - -922 -147 <50 <0 5 <0 5 <0 5 <0 5 <5 17 <br /> (cont) 11/25/1997 NP 1285 - -943 -021 <50 <0 5 <0 5 <05 <0 5 <5 - <br /> 3/19/1998 NP 657 -315 628 <50 <0 5 <0 5 <0 5 <0 5 <5 3 2 <br /> 6/2411998 NP 866 -- -524 -209 <50 <0 5 <0 5 <0 5 <0 5 <5 1 4 <br /> 9/10/1998 NP 1030 -688 -164 <50 <0 5 <0 5 <0 5 <0 5 <5 - <br /> 12/17/1998 NP 1036 -- -694 -006 <50 <0 5 <05 <0 5 <0 5 <5 <br /> 3/10/1999 NP 819 -- -477 217 <50 <05 <05 <0 5 <0 5 <5 39 <br /> 6/2211999 NP 1019 -- -6 77 -200 <50 <0 5 <05 <0 5 <0 5 <5 3 6 <br /> 9/13/1999 NP 11 84 -- -842 -165 <50 <05 <0 5 <0 5 <0 5 <5 1 9 <br /> 12/16/1999 NP 1182 - -840 002 <50 <06 <0 5 <0 5 <0 5 <2 5 63 <br /> 3/23/2000 NP 710 - -368 472 <50 <05 <0 5 <0 5 <0 5 <2 5 1 9 <br /> 6/21/2000 NP 935 - -593 -225 <50 <05 <0 5 <0 5 <0 5 <2 5 1 5 <br /> 9/13/2000 NP 11 11 -769 -176 <50 <05 <0 5 <0 5 <0 5 <2 5 1 31 <br /> 12/15/2000 P 1058 -- -716 053 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 1 17 <br /> 3/1/2001 P 846 - -504 212 644 0 865 0 717 <0 500 173 <2 50 33 <br /> 5/10/2001 P 863 - -521 017 <50 0 <0 500 <0 500 <0 500 <0 500 <250 1 8 <br /> 8/22/2001 P 11 33 -- 791 -270 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <br /> 121512001 P 1045 -703 088 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> 3/11/2002 P 872 -530 173 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 38 <br /> 6/6/2002 P 967 -625 -095 <50 <050 <0 50 <0 50 <0 50 <2 5 037 <br /> 9/24/2002 P 11 46 -- -804 -179 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> 12.(1712002 P 980 -- -638 166 <50 <0 50 <0 50 <0 50 <0 50 <2 0 <br /> 3/18/2003 P 967 — -625 013 <50 <0 50 <0 50 <0 50 <0 50 <2 5 116 <br /> E-12 8/26/1988 196 -- -- .. -- <br /> 11/28/1988 -- -- 80 30 8 35 <br /> 2/27/1989 -- -- - -- 121 34 22 36 <br /> 5/30/1989 - 384 1 9 1 5 131 <br /> 8/22/1989 -- 150 22 23 136 <br /> 12/4/1989 -- -- - - 250 54 <0 3 91 <br /> 1/4/1990 1698 -- -1502 - -- _ -- <br /> 2/111990 1673 -- -14 77 025 <br /> 2/15/1990 1669 -- -1473 004 <br /> 2/22/1990 1756 -1560 -087 <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 22 <br />