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<br /> TABLE 3
<br /> Analytical Results of Ground Water Samples -29 May 2001
<br /> TOP FILLING STATION
<br /> 101 South Wilson Way, Stockton, California
<br /> MW-1 MW-2 MW-3 MW-4 MW-5 VW-1B VW-1C VW-2A VW-2B VW-3A VW-3B
<br /> 60 to 80 60 to 80 60 to 80 55 to 75 50 to 70 28 to 43 48 to 63 43 to 63 19 to 39 43 to 63 19 to 39
<br /> TPH-g 140 1,000 8,000 63 1,500 18,000 210,000 110,000 55,000 39,000 240,000
<br /> Benzene 4 0 270 2,900 41 110 19,000 37,000 30,000 15,000 3,900 19,000
<br /> Toluene EPA 48 21 200 3 6 12 39,000 45,000 6,600 500 3,300 32,000
<br /> 8015M
<br /> thylbenzene 18020 16 21 170 11 19 3,200 3,700 2,900 1,600 970 1,900
<br /> Xylene 11 63 460 85 100 18,000 18,000 12,000 5,800 6,400 10,000
<br /> MTBE 120 ND<0 5 240 ND<0 5 ND<0 5 ND<0 5 ND<0 5 770 320 1,200 280,000
<br /> MTBE 130 15 250 ND<l 0 ND<5 0 240 280 730 340 1,100 220,000
<br /> DIPE ND<1 0 ND<l 0 ND<10 ND<1 0 ND<5 0 ND<10 ND<25 ND<5 0 ND<50 ND<10 ND<1000
<br /> TAME 68 ND<1 0 ND<10 ND<1 0 ND<1 0 ND<5 0 ND<10 ND<25 ND<25 ND<5 0 ND<5,000
<br /> ETBE ND<1 0 ND<1 0 ND<10 ND<1 0 ND<5 0 ND<10 ND<25 ND<5 0 ND<50 ND<10 ND<1000
<br /> TBA EPA8260MND<1 0 ND<l 0 ND<50 ND<1 0 ND<5 0 ND<10 ND<25 ND<5 0 ND<250 ND<50 ND<5,000
<br /> Methanol ND<500 ND<500 ND<5,000 ND<500 ND<2,500 ND<5,000 ND<12,500 ND<2,500 ND<25,000 ND<5,000 ND<500,000
<br /> Ethanol ND<50 ND<50 ND<500 ND<50 ND<250 ND<500 ND<1,250 ND<250 ND<2,500 ND<500 ND<50,000
<br /> EDB ND<1 0 ND<1 0 ND<10 ND<l 0 ND<5 0 150 74 ND<S 0 ND<50 ND<10 ND<1,000
<br /> 1,2-DCA ND<1 0 2 5 14 ND<l 0 ND<5 0 210 220 190 120 54 ND<1,000
<br /> Notes All samples reported in micrograms per liter({igd),TPH-g total petroleum hydrocarbons quantified as gasoline
<br /> MTBE methyl tertiary butyl ether,RIPE di-isopropyl ether,TAME tert-amyl methyl ether,ETBE ethyl tert-butyl ether,TBA tert-butanol, 1,2-DCA 1,2-dichlomethane,EDB ethylene dibromide
<br /> ND not detected NA not analyzed
<br /> < indicates constituents were not detected at concentration greater than the reporting limit shown
<br /> Advanced GeoEnvironmental,Inc
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