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TABLE 4 <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER-SAMPLES - TPH AND BTEX <br /> - _ West Clay Property <br /> 639 West Clay Street, Stockton, California i <br /> -, Gig/1) <br /> Well ID _ Depth to TPH as TPH as Ethyl- ; <br /> Screen Interval Date ground water Gasoline Diesel MTBE Benzene Toluene benzene Xylenes, <br /> EW-2 08/11/00 1750 _ 53,000 3,600 <200 4,400 8,600 800 6,900 <br /> (30-35) _ 12/18/00 1862 350 140 <5 17- 61 23 16 <br /> 03/13/01 1750 - 140 <50 <5 5 3 074 6 0 5 2 <br /> 05/30/01 18 04 370 140 <5 25 14 30 15 <br /> 08/28/01 1937 270' 94 <5 22 32 11 5 6 <br /> 11/28/01 2009 150 <50 <5 _ 7 5 1 0 9 2 6 7 <br /> 02/27/02 1842 92 <50 <5 2 8 0 95 3 3 3 7 <br /> 05/28/02 1857 110 57 <5 5 6 059 9 0 84 <br /> 09/03/02 1992 1,500 320 <25 68 20 99 110 - <br /> 12/26/02 2010 590 230 NA 34 41 40 48 <br /> 03/14/03 1955 490 190 NA 28 -10 58 33 <br /> 06/19/03 1931 300 <50 NA 23 2 4 33 <0 6 <br /> _ 09/12/03 2012 120 <50 NA 2 1 <0 5 3 9 23 <br /> 11/13/03 2046 NS NS NA NS NS NS _NS <br /> 02/05/04 2005 190 <50 NA 10- <0 5 36 - 27 <br /> 05/06/04 1937 220 <50 NA 20 <0 5 29 -14 <br /> 08/26/04 2096 780 <50 NA 14 5 8 37 49 <br /> 11/19/04 1 -2153 730 <50 NA 21- 2 5 38 1 39 <br /> Notes - <br /> µg/1 micrograms per liter <br /> MTBE methyl ternary-butyl ether <br /> NS well was not sampled } <br /> NA not analyzed for specified constituent - - <br /> K Sample analyzed for kerosine , <br /> Advancer!GeoEnvtronmental,Inc. <br /> 2 <br />