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• s <br /> 'Page z or za <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd Tracy CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Welf Date Elevation to Water Elevation Elevation Thickness TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL ft,TOC) (ft MSL) Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR-1 3/14/1997 NP 1368 3690 006 -- <50 <0 5 <0 5 <0 5 <0 5 0 30 <br /> (cont) 6/4/1997 1304 37 54 064 -- -- -- -- - 022 <br /> 8/11/1997 NP 13 43 3715 -0 39 <50 <0 5 <0 5 <0 5 <0 5 23 -- <br /> 11/17/1997 13 29 3729 014 - -- -- -- -- <br /> 3/30/1998 NP 1258 3800 0 71 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 200 <br /> 6/25/1998 1356 3702 -098 - -- -- .. <br /> 9/11/1998 NP 1320 3738 036 -- <50 <0 5 <0 5 <0 5 <0 5 <2 6 104 <br /> 12/15/1998 1302 3756 018 - -- -- -. __ __ 130 <br /> 3/17/1999 NP 1279 3779 023 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 510 <br /> 5/14/1999 1306 3752 -0 27 - -- -- -- -- 220 <br /> 9/16/1999 NP 1336 37 22 -0 30 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 330 <br /> 12/27/1999 1319 3739 017 -- -- -- -- 177 <br /> 2/29/2000 NP 1245 3813 074 -- <60 <0 5 <0 5 <0 5 <0 5 <2 5 4 90 <br /> 6/7/2000 NP 1318 3740 -073 -- -- -- <br /> 9/25/2000 NP 1339 3719 -0 21 <50 <0 5 <0 5 <0 5 2 55 <2 5 0 30 <br /> 12/29/2000 1299 3759 040 -- -- -- -- -- 5 3 <br /> 3/27/2001 Well inaccessible <br /> 6/20/2001 13 01 3757 -002 -- -. _. <br /> 9/1212001 Well inaccessible <br /> 12/1912001 Well inaccessible <br /> 3/14/2002 Well inaccessible <br /> 6/28/2002 Well inaccessible <br /> ATR 2 4/23/1987 4922 1128 37 94 - -- <100 <0 5 0 6 <0 5 <0 5 <br /> 12/22/1987 1140 3782 -012 -- <0 5 <0 5 <0 5 <0 5 - <br /> 3/24/1988 1135 37 87 005 -- <0 5 <0 5 <0 5 <0 5 - <br /> 6/23/1988 1155 37 67 -020 <0 5 <0 5 <0 5 <0 5 - <br /> 9/29/1988 1171 3761 0 16 -- -- <0 5 <0 5 <0 5 <0 5 - -- <br /> 2/22/1989 1135 37 87 036 370 18 07 0 6 3 4 <br /> 6/21/1989 1145 3777 -010 <50 19 <0 3 0 4 <0 3 <br /> 9/18/1989 11 65 3757 -020 9 19 0 9 1 1 8 2 <br /> 12/27/1989 11 50 3772 015 - <50 3 5 <0 3 1 1 0 3 <br /> 4/18/1990 1164 3758 014 50 2 9 <0 3 <0 3 <0 3 - <br /> 10/16/1990 1181 3741 -017 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/19/1990 1181 3741 000 -- .- <br /> 1110/1991 1158 3764 023 -- <60 0 8 <0 5 <0 5 <0 5 - - <br /> 4/10/1991 1131 37117 1123 - <50 <0 5 <0,1 <0 5 <c),5 -- <br /> K V5 BP ARCOID2093\QuarterW OTR 02\Table 1_2_3)ds <br />