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Table 1.. Summary of Groundwater Mooing Data: Water Elevations and Analyses • <br /> ARCO Facility 21.33, Stockton, California <br /> Tap-of-casing Depth-to- Product Water-level Change since Concentrations in 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 /> E-12 196 <br /> 8126188 <br /> 11/28/88 -- -- -- -- 80 30 8 35 -- -- -- <br /> 2/27/89 -- -- -- 121 34 22 36 -- -- <br /> 5/30/89 -- -- -- -- 384 19 15 13 1 <br /> 8122189 -- -- -- -- 150 22 23 136 -- -- -- <br /> 1214/89 -- -- -- -- 250 54 <0 3 91 -- -- -- <br /> 1/4/90 1698 -- -1502 <br /> 2/1/90 1673 -- -1477 025 -- -- -- -- -- __ __ <br /> 2/15/90 1669 -- -1473 004 <br /> 2122190 1756 -- -1560 -087 <br /> 3/8/90 1647 -- -1451 1 09 91 7 164 3 145 -- -- -- <br /> 4/5/90 1664 -- -1468 -0 17 <br /> 4119190 1666 -- -1470 -002 <br /> 5/10/90 <br /> 5/24/90 1705 -- -1509 <br /> 615190 1703 -- -1507 002 <br /> 6/19/90 17 80 -- -15 84 -077 151 47 29 76 -- -- -- <br /> 7/12/90 1787 -- -1591 -007 <br /> 8/16/90 -- -- <br /> 9/17/90 1848 -- -1652 <br /> 9119190 1848 -- -1652 000 180 29 98 32 1100 -- -- <br /> 10/11/90 1857 -- -1661 -009 <br /> 12/6/90 1843 -- -1647 0 14 <br /> 2/12/91 18 10 -- -16 14 033 21 5 8 12 20 500 -- -- <br /> 2/25/91 1808 -- -16 12 002 <br /> 4/23/91 1710 -- -15 14 098 69 <0 5 <0 5 <0 5 <50 -- -- <br /> 7/16/91 1974 -- -1778 -264 11 <0 5 <0 5 09 320 -- -- <br /> I0/8/9I 2029 -- -1833 -055 45 <0 5 <0 5 <1 0 210 -- -- <br /> 1/22/92 1856 -- -1660 1 73 29 13 <2 5 08 630 -- -- <br /> 4/22192 1769 -- -1573 087 43 <3 2 09 2 1 660 -- -- <br /> 7/29/92 19 18 -- -1722 -1 49 18 29 27 54 830 -- -- <br /> 10/29/92 1955 -1759 -0 37 67 <0 5 13 27 400 -- -- <br /> 1127/93 1,6 26 -- -1430 329 1 5 25 12 <1 380 -- -- <br /> 4/29/93 1443 -- -1247 1 83 27 <2 <l <2 520 -- <br /> 47571TADLCS12133AUG7 XLS <br />