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rr r r �■r rr rr rr rr �r rr r� rr rr rr r r� rr r r <br /> TABLE 4 <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES by EPA Methods 8260/8020 <br /> PACIFIC PRIDE SOUTH EL DORADO <br /> 3147 South El Dorado Street, Stockton, California <br /> (µg/l) <br /> Sample I.D. Sample L MTBE DIPE ETBE TAME TBA 1,2-DCA EDB Methanol Ethanol <br /> Green Interval Date F EPA Method 8260/8020 <br /> 09-19-03 ND<1 ND<I ND<1 ND<1 ND<10 ND<0.5 ND<0.5 -- -- <br /> 11-12-03 ND<1 ND<1 ND<1 ND<1 ND<10 ND<0.5 ND<0.5 -- <br /> 03-31-04 ND<1 ND<1 ND<l ND<1 ND<10 ND<0.5 ND<0.5 <br /> MW-12C <br /> ft 06-17-04 ND<1 ND<1 ND<1 ND<1 ND<10 ND<0.5 ND<0.5 <br /> 95 to 1 2 - -- <br /> 10-01-04 ND<1 ND<1 ND<1 ND<1 ND<10 ND<0.5 ND<0.5 <br /> 12-10-04 ND<l ND<1 ND<l ND<1 ND<10 ND<0.5 ND<0.5 -- -- <br /> 03-15-05 ND<1 ND<1 ND<l ND<I ND<10 5.1 ND<0.5 -- <br /> 09-19-03 ND<1 ND<l ND<1 ND<i ND<10 ND<0.5 ND<0.5 -- -- <br /> 11-12-03 ND<1 ND<l ND<l ND<1 ND<10 ND<0.5 ND<0.5 -- -- <br /> MW 12D 03-31-04 ND<1 ND<i ND<I ND<1 -ND<10 ND<0.5 ND<0.5 <br /> 120 to 125 ft 06-17-04 ND<1 ND<1 ND<1 ND<l ND<10 ND<0.5 ND<0.5 -- - <br /> 10-01-04 ND<1 ND<1 ND<1 ND<1 ND<10 ND<0.5 ND<0.5 <br /> 12-10-04 ND<1 ND<1 ND<1 ND<1 ND-40 ND<0.5 ND<0.5 -- -- <br /> 03-15-05 1 ND<1 ND<1 ND<l ND<1 ND<10 ND<0.5 ND<0.5 -- -- <br /> Notes: <br /> µg11: micrograms per liter <br /> NA: not analyzed <br /> ND: not detected <br /> — not sampled(wells inaccessible) <br /> MTBE: methyl tert butyl ether <br /> DIPE: di-isopropyl ether <br /> ETBE: ethyl tert butyl ether <br /> TAME: tert amyl methyl ether <br /> TBA: tertiary butyl alcohol <br /> i,2-DCA: 1,2-dichloroethane <br /> EDB: ethylene dibromide <br /> Advanced GeoEnviroamental,Inc. <br />