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<br /> TABLE 4 l
<br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - TPH AND BTEX
<br /> West Clay Property
<br /> 639 West Clay Street, Stockton, California y
<br /> - r .
<br /> Gig/1)
<br /> _ Well ID Depth to TPH as - TPH as - Ethyl-
<br /> Screen interval Date ground water Gasoline Diesel _ MTBE Benzene Toluene benzene Xylenes
<br /> MW-2 05/30/01 1822 6,400 990 <35 710 360 210 620
<br /> continued 08/28/01 1954 14,000 2,500 <20 1,400 890 - 810 2,000
<br /> (40-60) 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 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 1 5 <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 s 560 2,300 4,900
<br /> r 11/13/03 2071 10,000 12 NA- 630 270 1,100 1,900 -'
<br /> 02/05/04 ' 20 26 19,000 23 NA 370 200 810 1,570
<br /> 05/05/04 1951 27,000 4,000 NA -680 250 1,100 1,552
<br /> 08/26/04 2120 10,000' 6,100 NA 310- 240 1,400 2,285 r
<br /> 11/19/04 2169 12,000 10,000 NA 350 270 840 1,364
<br /> 03/04/05 1942 15,000 5,400 NA 250 280.-. 910 1,567 -
<br /> MW-3 04/04/94 3495 78 <50K NA 17 <0 5 <0 5 <0 5
<br /> (30-55) 12/16/94 36 16 <20 NS NS <0 5 <0 5 <0 5 <0 5
<br /> 03/31/95 -3074 1,700 NS NS <25 180 26 81
<br /> r 10/31/95 2826 840 NA NA '110 <5 0 30 12
<br /> 05/06/96 2401 NS NS NS NS NS NS NS
<br /> 05/27/97 2053 -270 55 <5 -28 071 - 14 - 15 Q
<br /> 11/17/97 22 14 53 160 <5 2 3 0 58 078 10-
<br /> 02/26/98
<br /> 0-02/26/98 17 88 <50 <50 <5 <0 5 068 <0 5 087.
<br /> ` Advanced GeoEnvironmental,Inc
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