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TABLE 4 E <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES <br /> TPH and BTEX _ <br /> West Clay Property - <br /> - - 639 West Clay Street, Stockton, California _ r <br /> (Ftg/1) <br /> Well ID <br /> Depth to TPH as TPH as Ethyl- _ <br /> (Screen Date, -' MTBE Benzene n Toluene -Xylenes. <br /> ><ntere <br /> - _ ound waterGasoline' Diesel benzene <br /> _ al � <br /> EW-2 08/11/00 1750 , 53,000 3,600 <200 4 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 52 <br /> 05/30/01 1804 370 140 <5 25 14 30 15 <br /> 08/28/01 1937 270 94 <5 22 32 11 56 <br /> 11/28/01 2009 150 <50 5 <5 75 1.0 92 67 ; <br /> 02/27/02 1842 92 <50 <5 2.8 095 33 3.7 <br /> 05/28/02 1857 110 57 <5 5.6 0.59 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 /> r <br /> 09/12/03 ` 2012 120 <50 NA 21 <0 5 3.9 23 <br /> 11/13/03 2046 NS NS NA _ NS- NS, NS NS <br /> - 02/05/04 2065 190 <50 NA 10 <0 5 36 27 <br /> 05/06/04 1937 220 <50 NA20 _ <0 5 29 14 ; <br /> Notes - <br /> µg/1 micrograms per liter <br /> MTBE methyl tertiary-butyl ether r 3 <br /> NS well was not sampled = <br /> NA not analyzed for specified constituent <br /> K Sample analyzed for kerosine <br /> a <br /> 4 <br /> Advanced GeoEnvnronmental,Inc <br />