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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-28 09/29/10 <50 <0.5 <0.5 <0.5 <0.6 6.7 <1 <1 <1 <10 <0.5 <0.5
<br /> (65-75) 12/30/10 <50 <0.5 <0.5 <0.5 <0.6 17 <1 <1 <1 <10 <0.5 <0.5
<br /> 03/24/11 <50 <0.5 <0.5 <0.5 <0.6 10 <1 <1 <1 <10 <0.5 <0.5
<br /> 06/22/11 <50 <0.5 <0.5 <0.5 <0.6 22 <1 <1 <1 <10 <0.5 <0.5
<br /> 05/11/12 22
<br /> -- -- -- -- -- -- -- -- --
<br /> 07/23/13 <50 <0.5 <0.5 <0.5 <0.6 13 <1 <1 <1 <10 <0.5 <0.5
<br /> 07/23/13 18
<br /> 08/05/16 <50 <500 <0.5 <0.5 <0.5 <1 10.4 <1 <1 <1 <10 <0.5 <1.0 <0.2
<br /> 03/28/17 <50 <0.5 <0.5 <0.5 <0.5 6.4 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5
<br /> 09/21/17 <50 <0.5 <0.5 <0.5 <0.5 5.4 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5
<br /> 03/18/19 <50 <1 <1 <1 <3 6.69 <5 <5 <5 <50 <1 <1 <1 0.030
<br /> 09/04/19 <50 <1 <1 <1 <3 7.69 <5 <5 <5 <50 <1 <1 <1 0.022
<br /> 03/10/20 <50 <500 <1 <1 <1 <3 6.26 <5 <5 <5 <50 <1 <1 <1 <0.01
<br /> 06/15/21 <50 <1 <1 <1 <3 <3 <5 <5 <5 <50 <1 1.03 <1
<br /> 09/29/22 <50 51 <0.2 <0.5 <0.5 <0.5 6.0 <0.5 <0.5 <0.5 <5 <0.04 0.89
<br /> MW-29 09/29/10 14,000 1,600 2,600 72 140 280 <1.0 <1 <1 25 <10 <0.5 35
<br /> (40-60) 12/30/10 14,000 1,500 2,600 58 230 183 <1.0 <1 <1 15 <10 <0.5 52
<br /> 03/24/11 14,000 1,100 1,800 63 420 384 <1.0 <1 <1 32 <10 <0.5 21
<br /> 06/22/11 14,000 1,000 1,600 53 390 354 11 <1 <1 16 <10 <0.5 30
<br /> 05/11/12 14,000 1,100 2,100 51 560 502 11
<br /> 12/18/12 13,000 1,400 1,000 41 270 303 11 <1 <1 19 <10 <0.5 25
<br /> MW-29 07/23/13 12,000 5,600 800 50 340 379 <1.0 <1 <1 17 <10 <0.5 14
<br /> (40-60) 03/05/15 9,100 <50 1,500 42 200 268.6 <1.0 <1 <1 12 <10 <0.5 41
<br /> 04/07/16 7,100 <500 1,490 26.3 162 148 <1.0 <1 <1 <1 <10 <0.5 11.3
<br /> O8/04/16 <50 <500 1,610 37.5 206 192 <25 <1 <1 <1 <10 <0.5 94.2 <0.2
<br /> 03/27/17 11,000 1,400 1,200 30 170 140 <5 <5 <5 <5 <20 <5 <5 130
<br /> 09/20/17 12,000 830 1,300 <25 130 78 <25 <25 <25 <25 <100 <25 <25 71
<br /> 03/18/19 9,140 770 2,190 <50 89.6 <150 <150 <250 <250 <250 <2,500 <50 <50 <50 0.026
<br /> 09/04/19 10,500 2,280 1,850 <50 78.9 <150 <150 <250 <250 <250 <2,500 <50 <50 <50 0.024
<br /> 03/09/20 7,600 1,640 1,360 <50 <50 <150 <150 <250 <250 <250 <2,500 <50 <50 <50 <0.01
<br /> 06/14/21 8,500 766 1,490 <25 27.5 <75 <75 <125 <125 <125 <1,250 <25 <25 <25
<br /> 09/29/22 8,800 470 <0.2 16 33 46.9 <0.5 <0.5 <0.5 <0.5 <5 <0.04 <0.02
<br /> 03/07/23 4,200 270 1,000 <25 53 50 <25 <25 <25 <25 <250 <0.2 1.1
<br /> MW-30 03/28/17 <50 <50 1.3 <0.5 <0.5 <0.5 1.7 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5
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