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F1 <br /> CASE NARRATIVE FOR EPA METHOD 8310 <br /> �l <br /> POLYNUCLEAR AROMATIC HYDROCARBONS <br /> ATI/AEN ACCESSION NUMBER 606521 <br /> F ` A 1 .0 Irter aliquot of each aqueous sampele was extracted with methylene <br /> chloride by liquid:liquid method (EPA method 3510). The methylene chloride was <br /> Freduced and exchanged to acetonitrile. Final volume was 1 .0 ml. <br /> F <br /> The extracts were analyzed by HPLC with UV (254 nm) and fluorescence <br /> detectors in series. A gradient mobile phase of!water and acetonitrile was utilized <br /> for the analysis. Five and six point calibration curves were generated and utilized <br /> for the analysis. <br /> �1 <br /> Due to limited sample volume matrix spikes .could not be extracted. Blank <br /> spikes are reported for quality control. <br /> ty ' <br /> Brian Hennes <br /> I : <br /> i <br /> 1 . <br /> �1 <br /> I1� <br /> A1V,4L1'?-IC.4L SERVICES FOR THE EV5'IROA�tiIF:`<<"�" <br />