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r <br /> TABLE 4 <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES <br /> TPH and BTEX <br /> West Clay Property <br /> 639 West Clay Street, Stockton, California <br /> (gg/1) <br /> Well ID Depth to- TPH as -TPH as' TMTI3 Benzene Toluene -Ethyl- Xylenes <br /> Date -benzene <br /> Screen interval ound water _Gasoline Diesel-� Y <br /> EW-2 08/11/00 17 50 53,000 3,600 <200 4,400 8,600 800 6,900 <br /> (30-35) 12/18/00 1862 _ 350 140 <5 17 6 1 23 16 F <br /> 03/13/01 Y 17 50 140 s <50 <5 5 3 074 6 0 5 2 <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 /> 11/28/01 2009 150 <50 <5 75 - 10 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 8 4 <br /> 09/03/02 1992 1,500 320 <25 68 20 99 110 <br /> 12/26/02 20 10 590 230 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 20 12' 120 <50 NA 21 <0 5 3 9 23 <br /> 11/13/03 - 2046- r NS Y' NS NA NS r SNS _ NS NS _ <br /> 02/05/04 _ 2005 190 <50 NA 10 <0 5 36 27 L <br /> f 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 2153 730 <50 NA 21 2 5 38 39 <br /> Notes <br /> µg11 micrograms per Mer <br /> _MTBE methyl tertiary-butyl ether <br /> NS well was not sampled <br /> NA not analyzed for specified constituent - <br /> K Sample analyzed for kerosine <br /> s_ <br /> Advanced Geo Enviro n mental,Inc ` <br /> _ F _ <br />