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<br /> SUMMARY OF GROUNDSR ANALYTICAL RESULTS
<br /> Farmer Property,Stockton,CA
<br /> Page 1 of 8
<br /> (Reported in u
<br /> Well 1D Date TPH9 Benzene Toluene Ethyl Xylenes MTBE ETBE TBA DIPS I TAME 1,2-DC Lead
<br /> Benzene
<br /> MW1 07/03/97 130,000 7,300 28,000 4,600 25,000 <500 NA NA NA NA NA NA
<br /> 12123/97 120,000 8,900 33,000 6,400 37,000 <1,000* <1,000 <20,000 <1,000 <1,000 <1,000 <40
<br /> 03/27/98 86 000 6 500 19,000 4,400 24,000 NA NA NA NA NA NA <40
<br /> 06/26/98 89 000 3 900 10,000 3,900 20,000 NA NA NA NA NA NA NA
<br /> 09/24/98 120,000 4100 13,000 5,700 31,000 NA NA NA NA NA NA NA
<br /> 12/17/98 110,000 2,900 14 000 6 000 31,000 <1,250 NA NA NA NA NA NA
<br /> 03/16/99 64,800 2,320 7,840 4,240 21,200 NA NA NA NA NA NA NA
<br /> 08/19/99 69,000 4,500 6,600 3 600 17,000 NA NA NA NA NA NA NA
<br /> 10/05/99 77,000 3,200 8,200 5,800 29,000 NA NA NA NA NA NA NA
<br /> 12121/99 96 000 1,600 1,800 5,900 24,000 NA NA NA NA NA NA NA
<br /> 03/09/00 110,000 2,200 6,100 5,300 31,000 NA NA NA NA NA NA NA
<br /> 06/08/00 130 000 2,700 2,700 4,300 19,000 NA NA NA NA NA NA NA
<br /> 09/14/00 120,000 2,200 4,500 6,100 32,000 NA NA NA NA NA NA NA
<br /> 11/27/00 140,000 1,800 2,400 5,700 24,000 NA NA NA NA NA NA NA
<br /> 03/01/01 130,000 2,300 3,100 6,300 30,000 <500 NA NA NA NA NA NA
<br /> 06/11/01 130 000 2,700 3 000 5 800 24 000 <100* <100 <1 000 <100 <100 <100 NA
<br /> 10/12101 80,000 2,200 1,800 5,200 20,000 <50" <50 <500 <50 <50 <50 NA
<br /> 12131/01`" 84000 2,100 1,500 5,000 20,000 <400* <400 <4,000 <400 <400 <400 NA
<br /> 03128102'"* 100,000 2,400 1,600 5,500 19,000 <200* <200 <2,000 <200 <200 <200 NA
<br /> 06112102** 15 000 2200 1,900 5,600 23,000 <200* <200 <2,000 <200 <200 <200 NA
<br /> 09123102** 130,000 4,200 3,600 6,600 23,000 <400* <400 <4,000 <400 <400 <400 NA
<br /> 12105102** 140,000 2,700 1,200 5,700 21,000 <400* <400 <4,000 <400 <400 <400 NA
<br /> 02113103** 50,000 1,600 85 2,200 3,900 <40* <40 <400 <40 <40 <40 NA
<br /> 03107103** 19 000 570 170 1,100 3,100 <20* <20 <200 <20 <20 <20 NA
<br /> 06109103** 33,000 1 300 120 2200 3 700 <20* <20 <200 <20 <20 <20 NA
<br /> 9111103** 56,000 2,900 150 2,800 5,300 <100* <100 <1,000 <100 <100 <100 NA
<br /> 12118103** 38,000 1,400 140 2,200 4,900 <100* <100 <1,000 <100 <100 <100 NA
<br /> 03/18/04 NS NS NS NS NS NS NS NS NS NS NS NS
<br /> 06108104** 69,000 1,000 310 2,200 14,000 <100 <100 <1,000 <100 <100 <100 NA
<br /> 09114104** 51 000 1 100 470 3200 13 000 <100 <100 <1 000 <100 <100 <100 NA
<br /> 121612004** 56,000 650 300 1,800 9,800 <100 <100 <1000 <100 <100 <100 NA
<br /> 03102105** 60,000 900 620 3,100 16,000 <100 <100 <1,000 <100 <100 <100 NA
<br /> 05112105** 40,000 430 820 860 8,900 <100 <100 <1,000 <100 <100 <100 NA
<br /> 09127105** 39,000 460 310 1,000 11,000 <100 <100 <1,000 <100 <100 <100 NA
<br /> MW2 07/03/97 3,200 920 31 120 220 <25 NA NA NA NA NA NA
<br /> 12/23/97 1,200 430 4 12 69 <30* <30 <500 <30 <30 <30 <40
<br /> 03/26/98 760 290 19 74 77 NA NA NA NA NA NA <40
<br /> 06/26/98 490 58 071 <0 50 24 NA NA NA NA NA NA NA
<br /> 09/24/98 120 63 <0 50 <0 50 1 8 NA NA NA NA NA NA NA
<br /> 12/17/98 <50 13 <0 50 <0 50 <0 50 36 NA NA NA NA NA NA
<br /> 03116/99 944 418 <0 50 <0 50 157 NA NA NA NA NA NA NA
<br /> W%259MTA8LEMGWiAB(2)XLS
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