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<br /> - FABLE 4 -
<br /> _- - ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - TPH AND BTEX'
<br /> WEST CLAY PROPERTY
<br /> 639 West Clay Street, Stockton, California r -
<br /> - - - - - (µg/1) h
<br /> Well'1D Depth to TPH as TPH as F Ethyl-- t
<br /> Screen interval Date ound water Gasoline Diesel MTBE Benzene Toluene benzene . J Xylenes
<br /> gr
<br /> EW-1 08/11/00 1600 73,000 14,000 <130 1,400 17,000 = 2,400 _ 12,000 q
<br /> (10-30) 12/18/00 1700 14,000- 14,000 22 1,600 14,000 2,300 11,000
<br /> 03/13/01 1571 39,000 4,300 280 970 7,000 1,300 5,300
<br /> 05/30/01 ; 1639, 38,000` 8,060 280 1,200 6,100 1,700 7,500
<br /> 08/28/01 , 1767 65,000 5,500 <400 1,700 9,500 2,600 11,000 _
<br /> 11/28/01 1850 _ 53,000 8,300 590 2,000 12,000 2,800 12,000
<br /> 02/27/02 1681 39,000 5,900 350 1,300 5,400 1,800 6,700
<br /> -05128102 1707 31,000 7,400 <500 1,200 3,900 1,800 7,200 Y }
<br /> 09/03/02 1829 50,000 12,000 420 1,700 6,500 2,200 9,100
<br /> 12/26/02 1848 14,000 2,700 NA 620 1,300 800 3,100
<br /> 03/14/03 1795 8,300 11,000 NA 500 400 540 " 1,800
<br /> a
<br /> 06/19/03 1767 86,000 29,000 NA 726 1,600 '800 3,320
<br /> 09/12/03, 1852 42,000 1 19 - 1 NA 960 420 ' 560 6,500 a
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<br /> Advanced GeoEnvironment$l,Inc
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