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Groundwater Treatment System Sample Laboratory Analytical Results <br /> November 12, 2004 through July 28, 2005 <br /> Constituent Benzene Toluene Ethyl Total TPH-G MTBE Other Gasoline <br /> Benzene Xylenes Oxygen ates/Additives <br /> Analytical 8260B 8260B 8260E 8260B 8015m 8260B 8260B <br /> Method--> <br /> Reporting Limits—* 05 05 0 5 µg/L 10 µg/L 005 05 0 5 - 20 <br /> Sample I.D. µg/L µg/L mg/L µg/L µg/L <br /> 1707-MW1-11112104 8,200 4,200 530 2,200 NT 2,500 < 5.0 - < 50 <br /> 1707-Astp-11/12/04 24 92 <0 5 28 NT 1,500 < 0 5 - < 20 <br /> 1707-Etk-11/12104 <0 5 <0 5 <0 5 <1 0 NT <0 5 < 0 5 - < 20 <br /> 1707-MW1-1/21/05 8,400 3,800 13 2,480 30 7,200 < 0.5 - < 20 <br /> 1707-MW11-1121105 320 84 24 173 0 78* 550 < 0 5 - < 20 <br /> 1707-Influent- 4,600 2,700 190 1,800 NT 6,000 <100 - <1000 <br /> 4/13/05 <br /> 1707-ASTP-4/13/05 <0 5 <0 5 <0 5 <1 0 NT <0 5 TBA=79, others<0 5 <br /> 1707-mldtank- <0 5 <0 5 <0 5 <1 0 NT <0 5 <0 5 - <5 0 <br />' 4113105 <br /> 1707-MW1-7/28/05 1 8,180 43,480 241 3,370 24.3 12,300 <100- <1000 <br />' NT=the sample was not analyzed for this constituent <br /> Units Anaiytical <br /> mglL w milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> gglL=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary-butyi ether (MTBE), <br /> tertiary-butanol (TBA), di-isopropyl ether (DIPS), ethyl tertiary butyl ether <br /> (ETBE),tertiary-amyl methyl ether(TAME) <br />' Bold lettering indicates that data was used in calculation <br /> i <br /> P 11000_prj11707 (,anepa\1707D Groundwater Mon rtortnglReportslRepons12005 QMR12005 3rd gtrlAppendixlD4Groundwater Treatmcnt - <br /> System Sample Laboratory Analytical Results(11-12-04 through 7-28-05)doc <br /> 1 <br />