EPA method8310 PAHs

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1、METHOD8310POLYNUCLEARAROMATICHYDROCARBONS1.0SCOPEANDAPPLICATION1.1Method8310isusedtodeterminetheconcentrationofcertainpoly-nucleararomatichydrocarbons(PAH)ingroundwaterandwastes.Specifically,Method8310isusedtodetectthefollowingsubstances:AcenaphtheneChryseneAcenaphthyleneDibenzo(a,h)anthraceneAnthra

2、ceneFluorantheneBenzo(a)anthraceneFluoreneBenzo(a)pyreneIndeno(1,2,3-cd)pyreneBenzo(b)fluorantheneNaphthaleneBenzo(ghi)perylenePhenanthreneBenzo(k)fluoranthenePyrene1.2UseofMethod8310presupposesahighexpectationoffindingthespecificcompoundsofinterest.Iftheuserisattemptingtoscreensamplesforanyoralloft

3、hecompoundslistedabove,hemustdevelopindependentprotocolsfortheverificationofidentity.1.3ThemethoddetectionlimitsforeachcompoundinreagentwaterarelistedinTable1.Table2liststhepracticalquantitationlimit(PQL)forothermatrices.Thesensitivityofthismethodusuallydependsonthelevelofinterferencesratherthaninst

4、rumentallimitations.ThelimitsofdetectionlistedinTable1fortheliquidchromatographicapproachrepresentsensitivitiesthatcanbeachievedintheabsenceofinterferences.Wheninterferencesarepresent,thelevelofsensitivitywillbelower.1.4Thismethodisrecommendedforuseonlybyexperiencedresidueanalystsorundertheclosesupe

5、rvisionofsuchqualifiedpersons.2.0SUMMARYOFMETHOD2.1Method8310provideshighperformanceliquidchromatographic(HPLC)conditionsforthedetectionofppblevelsofcertainpolynucleararomatichydrocarbons.Priortouseofthismethod,appropriatesampleextractiontechniquesmustbeused.A5-to25-uLaliquotoftheextractisinjectedin

6、toanHPLC,andcompoundsintheeffluentaredetectedbyultraviolet(UV)andfluorescencedetectors.2.2Ifinterferencespreventproperdetectionoftheanalytesofinterest,themethodmayalsobeperformedonextractsthathaveundergonecleanupusingsilicagelcolumncleanup(Method3630).83101CD-ROMRevision0DateSeptember1986aTABLE1.HIG

7、HPERFORMANCELIQUIDCHROMATOGRAPHYOFPAHsColumnMethodDetectionRetentioncapacitylimit(ug/L)Compoundtime(min)factor(k')UVFluorescenceNaphthalene16.612.21.8Acenaphthylene18.513.72.3Acenaphthene20.515.21.8Fl