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i♦ i♦ 4r � .. . _. i ..b <br /> TABLE 2 - CONTINUED <br /> Analytical Results of Ground Water Samples <br /> Top Filling Station <br /> 101 South Wilson Way <br /> Stockton, California <br /> {µgll) <br /> i <br /> Sample Sample Ground Screen TPii as Ethyl MTBE MTBE <br /> I D Date Water Interval Gasoline Benzene Toluene benzene Xylenes 8020 8260 DIPE ETBE TAME TBA <br /> Depth <br /> 06-10-97 4622 230,000 39,000 48,000 3,800 19,000 4,600 NA NA NA NA NA <br /> 09-25-97 4744 240,000 38,000 47,000 4,300 21,000 3,600 4,400 ND<1000 ND<1000 ND<1000 ND<5000 <br /> 12-17-97 48 02 270,000 38,000 47,000 4,300 22,000 3,400 3,400 ND<5 ND<5 ND<5 1,700 <br /> VW-3A 03-12-98 45 59 43-63 210,000 41,000 47,000 4,100 20,000 4,100 3,700 ND<500 ND<500 ND<500 ND<5000 <br /> 06-11-98 4176 240,000 38,000 46,000 3,800 19,000 1,400 2,300 ND<2000 ND<2000 ND<2000 ND<10000 <br /> 09-09-98 4088 210,000 27,000 24,000 4,400 22,000 9,300 4,100 ND<100 ND<100 ND<100 ND<500 <br /> 12-22-98 40 34 170Dan 24 000 24,000 3,200 18 000 3 100 3 200 ND<85 ND<85 ND<85 ND<425 <br /> Notes <br /> pg/1 micrograms per liter(parts per billion) <br /> TPII total petroleum hydrocarbons <br /> DIPS dr-isopropyl ether <br /> TAME ter[-amyl methyl ether <br /> TBA Cert-butanol alcohol <br /> ETRE ethyl tert-butyl ether <br /> MTBE methyl tertiary butyl ether <br /> NA not analyzed <br /> ND not detected <br /> < indicates constituents were not detected at a concentration gi eater than the reporting limit shown <br /> I <br /> Advanced GeoEnvironmentai,Inc <br />