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i ! 0 <br /> Table 1. Summary of Groundwater Monitoring Data, Water Elevations and Analyses <br /> ARCO Facility 2133, Stockton, California <br /> Top-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 1n feet in feet(a) in feet Benzene Toluene Ethylbenzene Xylenes TPH-G MTBE DO <br /> 815193 1520 -- -1447 -130 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 1 l I 10/93 1571 -- -1498 -051 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 3121/94 1452 -- -13 79 1 19 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 6/27/94 1465 -- -1392 -0 13 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 9/29/94 15 88 -- -15 15 -1 23 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 12/8/94 1565 -- -1492 023 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/8195 1329 -- -1256 236 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 611/95 11 68 -- -10 95 l 61 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 9/11/95 13 62 -- -12 89 -194 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 12/5/95 1408 -- -13 35 -046 -- -- -- -- -- -- <br /> 3118196 949 -- -8 76 459 <0 5 <0 5 <0 5 1 4 98 -- -- <br /> 6118195 10 10 -- -937 -0 61 -- -- -- -- -- -- -- <br /> 9125/96 1227 -- -11 54 -2 17 <0 5 <0 5 <0 5 <0 5 <50 <5 -- <br /> 12/4/96 11 97 -- -1124 030 -- -- -- -- -- -- -- <br /> 3/19/97 738 -- -665 4 59 <0 5 <0 5 <0 5 <0 5 <50 -- l 18 <br /> MW_I 129 <br /> 11/10/93 1569 -- -1440 -- <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/21/94 15 11 -- -13 82 058 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 6127194 14 94 -- -1365 0 17 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 9129194 1606 -- -1477 -1 12 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 12/8/94 1563 -- -1434 043 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/8/95 1321 -- -1192 242 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 6/1/95 1172 -- -1043 149 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 9111/95 1394 -1265 -222 82 100 9 110 830 <br /> 12/5/95 1426 -1297 -032 <br /> 3/18/96 8 93 -- -764 5 33 12 53 24 160 720 -- -- <br /> 6/18/95 9 92 -8 63 -099 -- -- -- -- -- -- -- <br /> 9/25/96 1253 -- -1124 -2 61 110 9 7 94 52 1500 25 <br /> 12/4/96 1200 -- -1071 053 <br /> -- -- -- -- <br /> 3119/97 745 -- -616 4 55 0 51 <0 5 <0 5 <0 5 <50 <5 0 17 <br /> � I <br /> 47571rABLES12133MAR7 XLS <br />