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<br /> - - - TABLE 6 J _
<br /> - ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - 8015m, 602 "
<br /> West Clay Property -
<br /> - 639 West Clay Street;Stockton, Caltf6rnla - -
<br /> Well Date'_ Depth to TPH asp _ TPH as TPH asTPH as MTBE Benzene Toluene Ethyl- Xylenes
<br /> _(Screen GW ;Gasoline- Diesel Motor Oil Oil& benzene 'r_
<br /> interval - a _ Grease a
<br /> y MW-1 04/04/94 3630 18,000 3,000" --- 3,900* --- 2,500 r 150 630 1,200 ;
<br /> (40-60) 12/16/94 - 3767 NS - -- --- --- --- _ NS 'NS NS NS
<br /> 03/31/95 -30 89 - NS --- --- --- --- NS NS NS NS j
<br /> _
<br /> 10/31/95 2924 400 '-- --- --- --- - 460 <0 5 15 13
<br /> - 05/06/96 _ 24 82 NS _ ` " --- --- --- . --- NS NS NS NS ,
<br /> _ 05/27/97 2185 _ r500 - -130 <250 <5,000 <5 80 51 19 44
<br /> 11/17/97 23 55 820 200 <250 --- <5 _ 160 6 0 47 35
<br /> = 2/26198 _ 18 74 550 93 --- --- <5- _ 150 11 35 -4 7
<br /> 8/31198' 17 76 24,000 2,100 --- --- <200 5,200 230 1,400 1,200
<br /> - 219199 17 18 -1,400 _ °71 --- --- <8 - 2& 38 64 23
<br /> _ 5128199 1730 3,900 656 --- ---- <10 1,100 56 290 260
<br /> - 10/28/99 19 26 _` 1,900 470 x--- --- <50 480 9 3, 130 42
<br /> MW-2 04/04/94 3644 81,000 11,600K --- 14,400* --- 3,400 10,400 3,200 2,900
<br /> (40-60) 12116194 3783 NS --- --- --- --- NS NS NS NS
<br /> = 03/31/95 31 18 NS ' --- --- --- --- NS NS NS NS
<br /> - - 10/31/95 2934 35,000 --- --- --- --- 2,100 4,200 _ 1,000 3,500
<br /> 05/06/96 2497 NS _ --- --- --- --- NS NS - NS` NS
<br /> _ - 05/27/97 21 42 17,000-- 2,000 <250 _ <5,000 58 1,100 1,500 -230 2,200
<br /> 11/17/97 2236 18,000 2,300 _-320 --- <70 1,000 _ 1;600 370 3,300 ,
<br /> 2126198 174-6- 18,000 2,900 L --- --- 62 1,700 880 <0 5 3,100
<br /> 8131198 -1751 - 47,000 4,600 --- --- <200 5,100 5,600 2,100 7,700,
<br /> 219199 1752 21,000 -- 760 --- --- <80 1,800 2,000 720 3,000
<br /> 5/28199 17 03 21,000 3,300 -_ - - --- <50 2,500 1,900 620 - `3,700-
<br /> 10/28/99 1918 19,000 2,700- --- _ --- <200 2,000 1,400 _ 290 3,200
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<br /> Advanced GeoEnvironmentai,Inc I
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