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<br /> _ f
<br /> - _ - TABLE 4 - y~
<br /> s ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES
<br /> TPH and BTEX
<br /> West Clay Property
<br /> ` _4 639 West Clay Street, Stockton, California '
<br /> r
<br /> welf 1C) Depth tot- '> TPH as _ TPH as "" `Ethyl- - _
<br /> Screen mteiwl _ Date ground water Gasoline T Diesel MTBE Benzene Toluene benzene - Xylenes
<br /> MW-I continued 08/26/04 2140 13,000 1,800 NA 2,900- 180 1,600 _ 1,554
<br /> (40-60) _ r
<br /> MW-2 , -04104194 3644 81,000 11,60Q" NA 3,400 10,400 3,200 2,900
<br /> Y (40-60) 12/16/94 3783 NS NS NS- NS NS _ NS NS i
<br /> - 03/31/95 31 18 NS NS NS NS NS _ NS NS
<br /> _ 10/31/95 '29 34 35,000 NA NA 2,100 4,200 1,000 3,500
<br /> ~ _ 05/06/96 - 2497 NS NS NS NS NS _ NS NS
<br /> 05/27/97 2142 - 17,000 2,000 58 1,100 1,500 ; 230 2,200
<br /> 11/17/97 2236 18,000 2,300 <70 1,000 11,600 370 3,300
<br /> 02/26/98 1746 18,000 2,900 62 1,700 880 <0 5 3,100
<br /> 08/31/98 - 1751 47,000 4,600 <200 5,100 5,600 2,100 7,700 K-F
<br /> 02/09/99 ' 1752 21,000 760 <80 1,800 2,000, 720 3,000
<br /> f 05/28/99 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
<br /> 01/25/00 1890 18,000 1,700 <10 2,060 1,500 620 2,800 "
<br /> 07/12/00 1734 22,000 2,000 ND<200 2,100 1,800 660 3,000
<br /> 12/18/00 1893 22,000 1,700 <200 2,300 1,800 600 2,500
<br /> 03/13/01 1771 8,300 1,000 <60 970 440 270 270
<br /> 05/30/01 1822 6,400 990 <35 710 360 210 620
<br /> 08/28/01 1954 14,000 2,500 <20 1,400 890 810 2,000 ,
<br /> - 11/28/01 2020 9,300 1,500 <150 440 180 610 1,200
<br /> 02/27/02 1847 7,500 990 <10 190 130 260 500
<br /> 05/28/02 18 81 7,500 1,800 <100 360 220 420- 770
<br /> 09/03/02 2018 5,000 1,400 <100 230 170 410 290
<br /> 12/26/02 2028 2,3Q0 770, NA 35 15 <1 0 160
<br /> 03/14/03 19 63 21,000 2,900 NA 950 300 1,300 2,200
<br /> 06/19/03 1952 11,000 19 NA 770 280- - 1,500 3,080 '
<br /> 09/12/03 2043 29,000 30 NA 1,100 560 2,300 1 4,900 k
<br /> " - Advanced GeoEnvironmental,Inc- -
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