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J - TABLE 4 -
<br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - TPH AND BTEX
<br /> _ West Clay Property
<br /> 639 West Clay Street, Stockton, California
<br /> _ (µg/l)
<br /> ^
<br /> Well ID Date Depth to TPH as TPH as MTBE Benzene Toluene Ethyl Xylenes
<br /> Screen interval ground water Gasoline Diesel benzene
<br /> MW-1 06/19/03 - 1980 5,500 <50 NA 2,400 340 2,200 1,400
<br /> continued 09/12/03 2083 22,000 <50 NA 5,300 400 2,800 5,140
<br /> (40-60) 11/13/03 2104 6,200 <50 NA 1,800 110 790 522
<br /> 02/05/04 2060 11,000 4 1 NA 750 40 550 184
<br /> 05/05/04 . 1988 14,000 1,500 NA 2,400 87 920 407 z
<br /> 08/26/04 2140 J3,000 1,800 NA 2,900 180 1,600 1,554
<br /> 11/19/04 - 2199 11,000 4,800 NA 2,000 110 620 555
<br /> 03/04/05 1977 13,000 1,500 NA 790 90 -370 547 °
<br /> MW-2 04/04/94- 3644 81,000 11,600K 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 _
<br /> 10131`/95 2934 35,000 NA NA 2,100 4,200 1,000 3,500
<br /> 05/06/96 ,24 97 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 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 /> 05/28/99 1703 21,000 3,300 <50 2,500 1,900 626 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 /> Advanced GeoEnrnronmental,Inc
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