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0 #2 of 21 <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 /> Well Date Elevation to Water Elevation Elevation Thickness TPHg Benzene Toluene benzene (total) ME DO <br /> Number Sampled (ft MSL) (it TOC) (ft MSL) Change(ft) (ft) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg/L) <br /> ATR 1 3/14/1997 NP 1368 3690 006 <50 <0 5 <0 5 <0 5 <0 5 030 <br /> (cont) 6/4/1997 1304 3764 064 -- -- -- -- - 022 <br /> 8/11/1997 NP 1343 37 15 0 39 <50 <0 5 <0 5 <0 5 <0 5 23 - <br /> 11/17/1997 1329 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 37 38 036 <50 <0 5 <0 5 <0 5 <0 5 <2 5 104 <br /> 12/15/1998 1302 3756 018 -- -- -- - 1 30 <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 3762 -027 - - -- -- -- - 220 <br /> 9/16/1999 NP 13 36 3722 -0 30 <50 <0 5 <0 5 <0 5 <0 5 <5 0 330 <br /> 12/22/1999 1319 3739 017 - - -- -- - 177 <br /> 2/29/2000 NP 1245 3813 074 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 490 <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 '12 99 3759 040 - -- -- -- -' 53 <br /> 3127/2001 Well inaccessible <br /> 6/20/2001 1301 3757 002 - <br /> 9/12/2001 Well inaccessible <br /> 1211912001 Well inaccessible <br /> 3/14/2002 Well Inaccessible <br /> 6/2812002 Well inaccessible <br /> 9/11/2002 Well inaccessible <br /> 12/17/2002 -- -- -- <br /> 313112003 P 1292 3766 -- -- <50 <0 5 <0 5 <0 5 <0 5 0 61" 1 3 <br /> i <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 3787 005 - <0 5 <0 5 <0 5 <0 5 - <br /> 6/23/1986 1165 37 67 -020 - <0 5 <0 5 <0 5 <0 5 -- <br /> 9/29/1988 1171 3751 016 - <0 5 <0 5 <0 5 <0 5 - <br /> 2/22/1989 i i 35 3787 036 -- 370 18 0 7 0 6 3 4 - <br /> 6/21/1989 1145 3777 -010 - <50 1 9 <0 3 0 4 <0 3 - <br /> 9/18/1989 1165 3757 -020 9 19 0 9 1 1 8 2 <br /> 12/27/1989 1150 3772 015 - <50 3 5 <0 3 1 1 0 3 - <br /> 4/18/1990 1164 3768 0 14 50 2 9 <0 3 <0 3 <0 3 -- -- <br /> 1011611990 1181 3741 0 17 -- <50 <0 5 <0 5 <0 5 <0 5 -- <br /> K1WpmCessV5 BP ARC0\020mauarlerOl QTR 03%20930WMR1003 <br />