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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 10/09/06 17,000 13,000 4,300 250 1,500 2,640 <1 <1 <1 98 <10 <0.5 93
<br /> (40-60) 01/08/07 15,000 10,000 4,000 110 800 1,390 <1 <1 <1 22 <10 <0.5 45
<br /> 04/04/07 10,000 8,100 850 38 140 252 <1 <1 <1 12 <10 <0.5 18
<br /> 09/21/07 14,000 3,600 4,200 120 1,200 1,840 <1 <1 <1 18 <10 <0.5 43
<br /> 03/20/08 NA 3,600 3,800 130 1,200 2,386 <1 <1 <1 370 <10 <0.5 <0.5
<br /> 09/05/08 19,000 3,700 4,200 120 900 1,978 <1 <1 <1 49 <10 <0.5 50
<br /> 12/08/08 19,000 3,300 4,100 110 900 1,550 <1 <1 <1 49 <10 <0.5 66
<br /> 03/03/09 18,000 3,300 2,900 67 580 931 <1 <1 <1 140 <10 <0.5 34
<br /> 09/28/09 20,000 3,800 4,400 82 840 857 <1 <1 <1 64 <10 <0.5 36
<br /> 03/24/10 18,000 2,500 2,200 43 250 368 <1 <1 <1 100 <10 <0.5 51
<br /> 09/29/10 - - - <1 <1 <1 17 <10 <0.5 51
<br /> 03/24/11 18,000 2,400 2,100 51 360 363 <1 <1 22 <10 <0.5 36
<br /> 05/11/12 19,000 2,100 3,500 49 580 377 <1
<br /> 12/18/12 14,000 1,800 2,200 55 160 200 <1 <1 <1 38 <10 <0.5 55
<br /> 07/23/13 20,000 1,500 2,300 87 420 442 <1 <1 <1 33 <10 <0.5 33
<br /> 03/05/15 5,300 <50 1,900 53 220 158 <1 <1 <1 26 <10 <0.5 71
<br /> 04/08/16 5,760 <500 2,340 <0.5 117 74 <1 <1 <1 <1 <10 <1 15.3
<br /> O8/04/16 7,190 <500 2,470 36.3 128 798 <25 <1 <1 <1 <10 <0.5 42.3 <0.2
<br /> 03/27/17 20,000 1,600 1,800 43 81 120 <25 <25 <25 <25 <25 <25 <25 41
<br /> 09/20/17 13,000 1,300 2,000 47 110 150 <25 <25 <25 <25 <100 <25 <25 46
<br /> 03/18/19 9,820 1,850 1,980 <50 <50 <150 <150 <250 <250 <250 <2,500 <50 <50 <50 0.030
<br /> 09/04/19 7,560 2,520 1,250 <25 <25 <75 <75 <125 <125 <125 <1250 <25 <25 <25 0.021
<br /> 03/09/20 6,390 1,780 697 <25 <25 <75 <75 <125 <125 <125 <1250 <25 <25 <25 <0.01
<br /> 06/14/21 4,390 715 440 6.35 5.05 <15 <15 <25 <25 <25 <250 <5 <5 <5
<br /> 09/28/22 4,200 410 300 6.0 5.4 14 <5 <5 <5 <5 <50 <0.4 <0.2
<br /> MW-2 04/04/94 81,000 11,600 3,400 10,400 3,200 2,900
<br /> (40-60) 10/31/95 35,000 NA 2,100 4,200 1,000 3,500
<br /> 05/27/97 17,000 2,000 1,100 1,500 230 2,200 58
<br /> 11/17/97 18,000 2,300 1,000 1,600 370 3,300 <70 <50 <50 <50 480
<br /> 02/26/98 18,000 2,900 1,700 880 <0.5 3,100 62 <500 <500 <500 <10,000
<br /> O8/31/98 47,000 4,600 5,100 5,600 2,100 7,700 <200 <5 <5 <5 31
<br /> 02/09/99 21,000 760 1,800 2,000 720 3,000 <80 <0.5 <0.5 <0.5 15
<br /> 05/28/99 21,000 3,300 2,500 1,900 620 3,700 <50
<br /> 10/28/99 19,000 2,700 2,000 1,400 290 3,200 <200 <5 <5 <5 <25
<br /> 01/25/00 18,000 1,700 1 2,000 1,500 1 620 2,800 <10 <10 I <10 <10 1 <50
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