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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) t; R,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-8 8/26/1988 097 -- 271 8 <2 5 46 <br /> 11/28/1988 - -- - 210 4 21 76 <br /> 2/27/1989 227 25 57 478 <br /> 5/30/1989 - -- 132 54 8 1 273 <br /> 8/22/1989 -- -- 535 13 2 20 <br /> 12/4/1989 - -- - 28 1 <0 3 18 <br /> 1/4/1990 <br /> 2/1/1990 <br /> 2/15/1990 <br /> 2/22/1990 -- -- -- -- <br /> 3/8/1990 1554 -- -1457 -- 389 34 22 153 <br /> 4/5/1990 1579 -- -1482 -025 -- -- <br /> 4119/1990 1589 -1492 -010 <br /> 5/10/1990 1616 -- -1519 -027 - <br /> 5/24/1990 1614 -1517 002 <br /> 6/5/1994 -- <br /> 6/18/1990 1697 -- -1600 147 2 9 24 127 <br /> 7/12/1990 1690 -- -1593 007 _ - <br /> 8/16/1990 1730 -1633 -040 - - <br /> 9/17/1990 1754 -1657 -024 -- - <br /> 9/18/1990 1754 -1657 000 140 23 <0 5 15 16 <br /> 10/11/1990 1767 -- -1670 -013 - -- - <br /> 12/6/1990 __ <br /> 2/12/1991 1813 -1716 - 1,300 110 15 17 65 <br /> 2/25/1991 1805 -- -1708 008 -- __ _ <br /> 4/23/1991 1639 - -1542 166 310 9 3 <05 <0 5 087 <br /> 7/16191 1889 -1792 -250 200 18 <0 5 0 7 25 <br /> 10/8/1991 1946 -1849 057 <50 78 <0 5 <0 5 061 <br /> 1/22/1992 1769 -1672 177 250 28 0 6 21 <0 5 <br /> 4/22/1992 1671 -- -1574 098 1,200 93 <2 5 37 53 <br /> 7/29/1992 1821 -- -1724 -150 690 81 1 3 57 6 <br /> 10/29/1992 1862 -- -1765 -041 620 87 <0 7 71 67 <br /> 1/27/1993 1542 - -1445 320 960 31 <1 1 9 1 8 <br /> 4/29/1993 1356 -- -1259 1 86 360 20 <4 2 22 1 7 <br /> Projects/ARCO/2133/Reportsrrables/gwtables2133 As 14 <br />