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- F, <br /> TABLE 4 <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES <br /> ` TPH and BTEX r - <br /> West Clay Property ' <br /> - " 639 West Clay Strdet, Stockton, California - <br /> �_ r <br /> Well�D e 6eptli to TPH as, TPH as - a _ Ethyl- <br /> Date MTBE Benzene Toluene Xylenes <br /> Screen interval _ ouncl water Gasoltrte - Dtesel - r n benzene <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 53 074 60 52 <br /> 05/30/01 1804 370: 140 <5 25 14 30 15 <br /> _ 08/28/01 1937 270- 94 <5 22 3 2 11 5 6 <br /> j 11/28/01 2009 150 <50 <5 7 5 10 9 2 67 <br /> 02/27/02 1842 92 <50 <5 2 8 095 3 3 3 7 <br /> - 05/28/02 18 57 110 , 57 <5 5 6 059 - 9 0 8 4 <br /> 09/03/02 1992 1,500 320 <25 '� 68 20 99 110 y ' - <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 /> _ <br /> -06119/03 19 31 300 - <50 NA 23 2 4 r 33 <0 6 _ <br /> 09/12/03 20 12 120 <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 r 20 05 190 <50 NA 10 <0 5 - 36 27 <br /> 05/06/04 19 37 220 <50 NA 20 <0 5 29 14 <br /> 08/26/04 2096 _ 780 <50 NA 1 14 5 8 37 49 <br /> Notes <br /> µg11 micrograms per liter <br /> MTBE methyl tertiary-butyl ether r ` <br /> _ NS well was not sampled - <br /> NA not analyzed for specified constituent <br /> K Sample analyzed for kerosine <br /> Advanced GeoEnviro_nmental,Inc <br /> 1 <br /> 1 <br />