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Table 1. Summary of Groundwater MonqVtng Data. Water Elevations and Analyses <br /> ARCO Facility 2133, Stockton, California 4 <br /> Top-of-casing Depth-to- Product Water-level Change since Concentrations 1n pg/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 /> 9117190 1848 -- -1652 -- -- -- -- -- -- -- -- <br /> 9/19/90 1848 -- -1652 000 180 2 9 9 8 32 1 100 --10/11/90 1857 -- -1661 -009 -- -- -- -- -- -- -- <br /> 12/6/90 1843 -- -1647 0 14 -- -- -- -- -- -- -- <br /> 2/12/91 I8 10 -- -16 14 033 21 5 8 12 20 500 -- -- <br /> 2/25/91 1808 -- -16 12 0 02 -- -- -- -- -- <br /> 4/23/91 17 10 -- -15 14 098 6 9 <0 5 <0 5 <0 5 <50 -- -- <br /> 7/16/91 1974 -- -1778 -264 11 <0 5 <0 5 0 9 320 -- -- <br /> 10/8/91 2029 -- -1833 -0 55 4 5 <0 5 <0 5 <1 0 210 -- -- <br /> 1/22/92 18 56 -- -1660 173 2 9 1 3 <2 5 0 8 630 -- -- <br /> 4/22/92 1769 -- -1573 087 4 3 <3 2 0 9 2 1 660 -- -- <br /> 7/29/92 19 18 -- -1722 -149 18 2 9 2 7 5 4 830 -- -- <br /> 10/29/92 1955 -- -1759 -037 6 7 <0 5 1 3 2 7 400 -- -- <br /> 1/27193 1626 -- -1430 329 1 5 2 5 12 <1 380 -- -- <br /> 4/29/93 1443 -- -1247 1 83 2 7 <2 <1 <2 520 -- -- <br /> 8/5/93 1608 -- -14 12 -1 65 0 6 <0 5 1 6 2 2 830 11/10/93 1622 -- -1426 -0 14 <0 7 2 7 <2 4 1 7 280 -- -- <br /> 3/21/94 1577 -- -13 81 045 2 0 12 1 8 6 1 200 -- -- <br /> 6/27/94 1560 -1364 0 17 0 8 <0 3 0 3 <0 5 220 -- <br /> 9/29/94 1668 -- -1472 -1 08 <0 5 <0 5 <0 5 0 8 330 -- -- <br /> 12/8/94 1626 -- -1430 042 <0 5 1 0 10 2 1 150 -- -- <br /> 3/8195 13 80 -- -1184 246 <0 5 <1 <0 5 1 8 200 -- -- <br /> 6/1/95 1232 -- -1036 148 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 9/11/95 1370 -- -1174 -138 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 12/5/95 1488 -- -12 92 -1 18 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/18/96 9 18 -- -722 570 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 6/18/96 985 -- -7 89 -067 <0 5 <0 5 <0 5 3 3 <50 13 -- <br /> 9/25/96 1223 -- -1027 -238 <0 5 <0 5 <0 5 <0 5 <50 <5 -- <br /> 12/4/96 1170 -974 053 <0 5 <0 5 <0 5 <0 5 <50 <5 -- <br /> 3/19/97 801 -605 3 69 <0 5 <0 5 <0 5 <0 5 <50 -- 826 <br /> 615/97 NP 960 -- -764 -1 59 <0 5 <0 5 <0 5 <0 5 <50 <5 1029 <br /> 8119/97 NP 1107 -- -9 11 -147 <0 5 <0 5 <0 5 <0 5 <50 <5 624 <br /> 11/25/97 NP 1144 -- -948 -037 <0 5 <0 5 <0 5 <0 5 <50 <5 679 <br /> 4757\1ABLrS12133NOV7 XLS <br />