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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 /> PR-2 1215195 1364 -1299 -038 -- -- -- -- <br /> (cont) 3118/96 845 -780 519 <50 <0 5 <05 <0 5 <0 5 - <br /> 6118/95 945 -880 1 00 - -- -- -- -- - <br /> 9/25/96 11 83 - -11 18 238 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/4/96 1129 -1064 054 -- -- -- -- -- -- -- <br /> 3/19197 P 683 - -618 446 <50 <0 5 <05 <0 5 <0 5 23 <br /> 6/5197 853 -788 -170 -- -- -- -- -- -- 08 <br /> 8/19/97 NP 997 -932 144 <50 <0 5 <0 5 <0 5 <05 <5 09 <br /> 11/25/97 1012 -947 015 -- -- - -- -- -- -- <br /> 3/19/98 P 392 -- -327 620 <50 <0 5 <0 5 <05 <0 5 <5 67 <br /> 6/24/98 591 -526 1 99 -- -- -- -- - - -- <br /> 9/10/98 P 757 -692 1 66 <50 <0 5 <05 <0 5 <0 5 <5 <br /> 12/17/98 7 69 -704 012 -- -- -- -- -- -- -- <br /> 3/10/99 P 563 -498 206 <50 <0 5 <05 <05 <0 5 <5 29 <br /> 6/22/99 738 -- -673 -175 -- -- -- -- - -- 39 <br /> 9113/99 NP 912 -847 174 <50 <0 5 <0 5 <0 5 <05 <5 33 <br /> 12/15/99 902 -- -837 010 -- -- -- - -- -- 33 <br /> 3/23100 P 433 -368 469 <50 <0 5 <0 5 <05 <0 5 <2 5 35 <br /> 6/21100 861 -796 -428 -- -- -- -- -- 22 <br /> 9113100 NP 836 - -771 025 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 29 <br /> 12/15/00 785 720 051 -- -- -- -- -- -- 143 <br /> 3/2/01 P 573 -508 212 <50 0 <0 500 <0 500 <0 500 1 10 <250 42 <br /> 5110/01 583 -518 010 -- -- - -- -- -- 21 <br /> 8/22101 P 864 -799 -281 <50 <0 50 <0 50 <0 50 <0 50 <26 -- <br /> 12/5/01 771 - -706 093 -- -- -- -- -- -- -- <br /> 3/12/02 P 612 -547 1 59 <50 <050 <0 50 <0 50 <050 <2 5 175 <br /> 6/6/02 694 -629 082 - -- -- -- -- -- 170 <br /> 9/24/02 P 880 - -815 -186 72" <0 50 <0 50 064 <0 50 82 1 75 <br /> 12/17/02 684 — -619 196 -- — — — — — — <br /> BHD-1 8126188 058 -- -- -- 6,050 220 2,000 1,000 <br /> 11/28/88 - 1,870 <100 480 100 <br /> 2/27/89 - -- - -- -- - <br /> 5/30/89 -- - 2,900 120 870 780 <br /> I <br /> Projects/ARCO/2133/ReportslTables/gwtables2133 As 28 <br />