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,i Table 1 Summary of Groundwater Moni-eng Data: Water Elevations and Analyses <br /> ARCO Facility 2133, Stockton, California <br /> Top-of-casing Depth-to- Product Water-level Change since Concentrations inµg/L mg/L <br /> Well number elevation, feet water, thickness, elevation, last measurement, Total <br /> and date above mean sea level In feet in feet in feet(a) in feet Benzene Toluene Ethylbenzene Xylenes TPH-G MTBE DO <br /> E-8 097 <br /> 8126188 -- -- -- -- 271 8 <2 5 46 -- -- -- <br /> 11/28/88 -- -- -- -- 210 4 21 76 -- -- -- <br /> 2/27/89 -- -- -- -- 227 2 5 5 7 478 -- -- -- <br /> 5/30/89 -- -- -- -- 132 5 4 8 1 273 -- -- -- <br /> 8/22/89 -- -- -- -- 535 13 2 20 -- -- -- <br /> 12/4/89 -- -- -- -- 28 1 <0 3 18 -- --1/4/90 -- -- -- -- -- -- -- -- --2/l/90 <br /> 2115/90 <br /> 2122190 _- <br /> 3/8/90 15 54 -- -1457 -- 38 9 3 4 2 2 15 3 -- -- <br /> 4/5190 1579 -- -1482 -025 <br /> 4/19190 1589 -- -14 92 -0 10 <br /> 5/10/90 1616 -- -15 19 -027 <br /> 5124190 16 14 -15 17 002 <br /> 6/5/90 <br /> 6118190 1697 -- -1600 -- 147 2 9 2 4 12 7 -- -- -- <br /> 7/12190 1690 -- -1593 0 07 <br /> 8/16/90 1730 -- -1633 -040 <br /> 9117190 1754 -- -1657 -024 <br /> 9118190 1754 -- -1657 000 23 <0 5 1 5 16 140 -- -- <br /> 10/11/90 1767 -- -1670 -0 13 <br /> 1216/90 <br /> 2112191 1813 -- -1716 -- 110 15 17 65 1300 -- -- <br /> 2125/91 1805 -- -1708 008 <br /> 4/23/91 1639 -- -1542 166 9 3 <0 5 <0 5 087 310 -- -- <br /> 7/16/91 1889 -- -1792 -250 18 <0 5 0 7 2 5 200 -- -- <br /> 10/8/91 1946 -- -1849 -0 57 7 8 <0 5 <0 5 061 <50 -- -- <br /> 1/22/92 1769 -- -1672 177 2 8 0 6 2 1 <0 5 250 -- -- <br /> 4/22/92 1671 -- -15 74 098 93 <2 5 3 7 5 3 1200 -- -- <br /> 7/29/92 1821 -- -1724 -1 50 81 1 3 5 7 6 690 -- -- <br /> 10/29/92 1862 -- -1765 -041 87 <0 7 7 1 6 7 620 -- -- <br /> 1127/93 1542 -- -1445 320 31 <1 19 1 8 960 -- <br /> 4/29/93 13 56 -- -1259 1 86 20 <4 2 2 2 1 7 360 -- -- <br /> 47571TABLCS12133AUG7 XLS <br />