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_ 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 /> Well ID - Date Depth to &TPH as TPH as MTBE Benzene Toluene Ethyl Xylenes
<br /> Screen interval -groundd water Gasoline _ Diesel benzene
<br /> J MW-2 04/04/94 3644 81,000, 11,604K NA 3,400 10,400 3,200 2,900
<br /> (40-60) 12/16/94 3783 NS - NS NS - NS NS NS NS
<br /> 03/31/95 3118 NS NS NS NS NS "-NS NS 4`
<br /> 10/31/95 2934 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 T 230 2,200
<br /> 11/17/97 2236 18,000 2,300 <70 1,000 1,600 370 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 '
<br /> = ` - 02/09/99 1752 21,000 760 <80 1,800 2,000 720 3,000
<br /> t 05/28/99 1703 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 2,000 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 a
<br /> 02/27/02 1847 N 7,500 990 <10 190 130 260 500 _
<br /> 05/28/02 1881 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 2,300 770 NA 35 15 <1 0 160 i
<br /> 03/14/03 1963 21,000 2,900 NA 950 300 1,300 2;200 '
<br /> 06/19/03 1952 11,000 19 NA 770 280 11,500 3,080 ,
<br /> 09/12/03 2043 - 29,000 30 NA 11100 560 2,300- 14,900
<br /> 11/13/03 20 71 10,000 12 NA 630 270 qjm - 1,900
<br /> - Advanced GeoEnvironmental,Inc r
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