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TABLE 5
<br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES - TPH and BTEX
<br /> West Clay Properties
<br /> 639 West Clay Street, Stockton, California
<br /> (p9/1)
<br /> Well No.
<br /> (Screen Date TPH-g TPH-d Benzene Toluene Ethyl- Xylenes MTBE DIPE ETBE TAME TBA EDB 1,2-DCA Naph- Hex- Total'
<br /> Interval-ft benzene thalene Chrom Lead
<br /> bsg)
<br /> MW-1 04/04/94 18,000 3,000 2,500 150 630 1,200
<br /> (40-60) 10/31/95 400 NA 46 <0.5 15 13
<br /> 05/27/97 500 130 80 51 19 44 <5
<br /> 11/17/97 820 200 160 6 47 35 <5 <7 <7 <7 <30
<br /> 02/26/98 550 93 150 1.1 3.5 4.7 <5 <30 <30 <30 <500
<br /> 08/31/98 24,000 2,100 5,200 230 1,400 1,200 <200 <1 <1 <1 22
<br /> 02/09/99 1,400 71 28 3.8 64 23 <8 <0.5 <0.5 <0.5 <5
<br /> 05/28/99 3,900 650 1,100 56 290 260 <10
<br /> 10/28/99 1,900 470 480 9.3 130 42 <50 <1 <1 <1 <5
<br /> 01/25/00 3,100 320 860 15 220 45 <5 <5 <5 <5 <25
<br /> 07/13/00 3,100 340 650 14 210 87 <10 <2.5 <2.5 <2.5 <13
<br /> 12/18/00 1,800 280 310 16 120 87 <10 <1 <1 <1 <5 <1 20
<br /> 03/13/01 820 90 140 18 39 29 <15 <1 <1 <1 <5 <1 <1
<br /> 05/30/01 6,700 700 1,600 43 530 190 <30 <5 <5 <5 <25 <5 66
<br /> O8/28/01 9,900 1,300 2,300 69 820 240 <300 <5 <5 <5 <25 <5 55
<br /> 11/28/01 11,000 2,400 2,300 62 940 260 <230 <1 <1 <1 <5 <1 2.5
<br /> 02/27/02 990 170 160 5.3 60 12 <10 <1 <1 <1 <5 <1 1.1
<br /> 05/28/02 5,400 580 1,000 23 350 140 <50 <2.5 <2.5 <2.5 <25 <2.5 <2.5
<br /> 09/03/02 7,400 1,300 1,500 29 95 230 <300 <5 <5 <5 <50 <5 <5
<br /> 12/26/02 470 310 <0.5 <0.5 <0.5 0.69 <0.5 <0.5 <0.5 <5.0 <0.5 0.79
<br /> 03/14/03 8,600 860 1,300 60 700 310 <5 <5 <5 <5 <5 <5
<br /> 06/19/03 5,500 <50 2,400 340 2,200 1,400 <1 <1 <1 <10 <0.5 <0.5
<br /> 09/12/03 22,000 <50 5,300 400 2,800 5,140 <1 <1 <1 <10 <0.5 <0.5
<br /> 11/13/03 6,200 <50 1,800 110 790 522 <1 <1 <1 <10 <0.5 <0.5
<br /> 02/05/04 11,000 4,100 750 40 550 184 <1 <1 <1 <10 <0.5 39
<br /> 05/05/04 14,000 1,500 2,400 87 920 407 <1 <1 <1 <10 <0.5 2.8
<br /> O8/26/04 13,000 1,800 2,900 180 1,600 1,554 <1 <1 <1 <10 <0.5 <0.5
<br /> 11/19/04 11,000 4,800 2,000 110 620 555 <1 <1 <1 <10 <0.5 <0.5
<br /> 03/04/05 13,000 1,500 790 90 370 547 <1 <1 <1 <10 <0.5 8.4
<br /> 06/03/05 15,000 2,100 1,400 150 690 1,153 <1 <1 42 <10 <0.5 23
<br /> 09/16/05 27,000 20,000 8,300 330 1,700 2,330 <1 <1 <1 <10 <0.5 41
<br /> 12/19/05 17,000 14,000 7,500 600 2,800 4,530 <1 <1 <1 130 <10 <0.5 110
<br /> 03/24/06 11,000 12,000 2,700 68 470 701 <1 <1 <1 19 <10 <0.5 34
<br /> 07/07/06 13,000 10,000 2,500 11 30 3,197 <1 <1 <1 46 <10 <0.5 1 37
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