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Page 20 of 34 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> MARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> if it <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (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-11 311101 P 846 -- -504 212 644 0 865 0 717 <0 590 173 <2 50 33 <br /> (cont) 5/10101 P 863 -- -521 -017 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 18 <br /> 8/222/01 P 1133 -- -7911 270 <50 <0 50 <0 50 <0 50 <0 50 <2 5 -- <br /> 12/5/01 P 1045 — -703 088 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> E-12 8/26/88 196 - -- -- -- -- _- -- --11/28/88 - -- -- -- -- 80 30 8 35 - — <br /> 2/27/89 -- -- -- 121 34 22 36 -- -- <br /> 5/30/89 - -. - -- 384 19 15 131 -- -- <br /> 8/22/89 -- -- -- - 150 22 23 136 -- — <br /> 12/4/89 -- -- -- 250 54 <0 3 91 --114/90 1698 -- 1502 - -- -- -- --211/90 1673 - -1477 025 <br /> 2115/90 1669 -- -14 73 0 04 <br /> 2/22/90 1756 -- -1560 -087 -- — — — .. — <br /> 3/8/90 1647 -- -1451'! 109 -- 917 164 3 145 <br /> 4/5/90 1664 -- -14681, -017 .. -. - <br /> 16 6B -i 4 70 -0 02 <br /> .- — <br /> 4/19/90 .. " -- -- - <br /> 5/10/90 __ .. 111 <br /> 5/24/90 1705 -- '-1509 _- -- <br /> 6/5/90 1703 -1507 002 -" -- -- <br /> 6/19/90 1780 — 15 84 -077 -- 151 47 29 76 - — <br /> 7/12190 1787 - -15 91I -007 -- __ .. <br /> 8/16/90 .. <br /> 9117190 1848 -1652 -- -- -- -- -- ^ <br /> 9/19190 1848 -- i-16 52 000 1,100 180 29 98 32 -- -- <br /> 10/11/90 1857 - -16 61! -009 ---- -- <br /> 1216/90 1843 -- 1647 014 -- -- —_ <br /> 2112191 1810 -- 1614 033 500 21 58 12 20 — <br /> 2125191 1808 1612 002 -- <br /> 4/23/91 1710 -- L15 14� 098 <50 69 <0 5 <0 5 <0 5 -- — <br /> 7116/91 1974 - -1778 -264 320 11 <0 5 <0 5 09 - -- <br /> 10/8/91 2029 -- 18 331 -055 214 45 <0 5 <0 5 <1 0 _ <br /> 1122192 1856 - -166( 173 630 29 1 3 <2 5 08 -- <br /> 4/22/92 1769 -- 15 73I 087 660 43 <3 2 09 21 - -- <br /> 7/29/92 1918 417 22 -1 49 830 18 29 27 54 -- -- <br /> Projects/ARCO/2133/ReportslTables/gwtables2133 As <br /> " <br />