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i i • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Seance 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 /> MW-3 3/8/1995 231 1418 -- -1187 -- <50 <05 <0 5 <0 5 <0 5 <br /> 6/1/1995 1255 -1024 163 <50 <05 <0 5 <0 5 <0 5 <br /> 9/1111995 1484 -- -1253 -229 <50 <05 <0 5 <0 5 <05 <br /> 12/5/1995 1520 -1289 -036 - - -- <br /> 3/18/1996 1075 -- -844 445 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/18/1995 11 05 -874 -030 -- - _ <br /> 9/25/1996 1351 - -1120 -246 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/4/1996 1282 -1051 069 - - _ <br /> 3/1911997 P 840 - -609 442 <50 <0 5 <0 5 <0 5 <0 5 0 3 <br /> 6/5/1997 1010 -- -779 -170 -- _ __ 02 <br /> 8/19/1997 NP 1155 -924 -145 <50 <0 5 <0 5 <0 5 <0 5 <5 02 <br /> 11/25/1997 P 1171 -940 016 - - <br /> 3119/1998 P 5 41 -310 630 <50 <0 5 <0 5 <0 5 <0 5 <5 6 9 <br /> 6/24/1998 749 -518 208 -- - - <br /> 9/10/1998 P 917 -686 168 - ND <br /> 12/17/1998 923 - -692 -006 -- - -- - _ <br /> 3/10/1999 P 701 -- -470 222 <50 0 555 1 71 <0 5 0 931 <5 30 <br /> 6/22/1999 902 -671 -201 -- - -- -- - 38 <br /> 9/13/1999 NP 1054 - -823 -152 <50 <0 5 <05 <0 5 <0 5 <5 23 <br /> 12/15/1999 1060 - -829 -006 - -- - -- - 4 5 <br /> 3/23/2000 P 595 -- 364 465 <50 <0 5 0 552 <0 5 1 18 <2 5 16 <br /> 6/21/2000 820 -- 589 -225 -- -- - - - 0 8 <br /> 9/13/2000 NP 997 -766 -1 77 <50 <0 5 <0 5 <05 <05 <2 5 1 70 <br /> 12/15/2000 943 -712 054 - -- - - - - 0 94 <br /> 3/2/2001 P 732 -- -501 211 <50 0 <0 500 0 840 <0 500 1 14 <2 50 41 <br /> 5/10/2001 769 - -538 -037 - - - _ 24 <br /> 8/22/2001 P 1021 -- -790 -252 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <br /> 12/5/2001 P 930 -- -699 091 -- - _- _ <br /> 3/12/2002 P 758 -- -527 1 72 <50 <0 50 <0 50 <0 50 <0 50 <2 5 094 <br /> 6/6/2002 854 -623 096 -- - - - - - 0 69 <br /> 9/24/2002 P 1039 808 -185 <50 <0 50 <0 50 <0 50 <0 50 <2 5 050 <br /> 12/17/2002 848 -- -617 1 91 -- - - __ _- <br /> 3/18/2003 P 843 — -612 005 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 12 <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 36 <br />