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i • • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Halt 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-6 6/5/97 P 919 778 163 -- -- -- - -- -- 0 3 <br /> (cont) 8/19/97 NP 1057 -916 138 200 24 091 27 26 24 0 3 <br /> 11/25/97 P 1083 -- -942 026 -- - -- -- -- -- -- <br /> 3/19/98 NP 537 -396 546 <50 <0 5 <0 5 <0 5 <0 5 13 23 <br /> 6/24198 662 - -521 -125 -- -- -- -- -- - <br /> 9/10/98 NP 841 -700 -179 <50 1 07 0 742 <0 5 121 <50 <br /> 12/17/98 835 -694 006 -- -- - -- -- -- - <br /> 3/10/99 NP 626 -485 209 <50 <0 5 <0 5 <05 <0 5 <50 68 <br /> 6122199 830 -689 -204 -- -- -- -- -- -- 24 <br /> 9/13199 NP 1001 -860 -171 <50 0 837 <0 5 <0 5 0 923 <50 1 8 <br /> 12/15/99 985 -844 016 -- -- -- -- - -- 68 <br /> 3123/00 P 521 -380 464 107 <0 5 <0 5 <0 5 <0 5 <250 55 <br /> 6/21100 753 612 232 - -- - -- -- 08 <br /> 9113100 NP 926 -- -785 173 <50 <05 <0 5 <05 <0 5 <2 50 128 <br /> 12/15/00 870 -729 0 56 -- -- -- -- -- - 263 <br /> 3/1/01 P 679 -- -538 191 <50 0 <0 500 <0 500 <0 500 0 600 631 37 <br /> 5110101 680 539 -001 -- -- -- -- -- -- 30 <br /> 8/22101 P 952 - -811 -272 99 066 060 <050 <0 50 38 -- <br /> 12l5/01 855 -714 0 97 -- -- -- -- -- -- -- <br /> 3/11/02 P 689 - -648 1 66 <500 <5 0 <50 <5 0 <5 0 270 1 63 <br /> 616/02 776 -635 087 -- -- - -- -- -- 064 <br /> 9/24/02 P 965 - -824 1 89 <50 <0 50 <050 <0 50 <0 50 43 029 <br /> 12/17/02 783 — -642 182 — — — _ _ _ -- <br /> E-7 8/26/88 116 -- -- -- <br /> -- -- -- -- -- -- -- <br /> 11/28/88 <br /> 2/27/89 368 <0 5 <0 5 07 - <br /> 5/30/89 <br /> 8122/89 -- 1 5 05 <0 5 <0 5 <br /> 12/4/89 <br /> 114190 <br /> 2/1190 -- <br /> 2/15/90 <br /> 2/22/90 <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 11 <br />