Designation:D5412−93(Reapproved2017)´1StandardTestMethodforQuantificationofComplexPolycyclicAromaticHydrocarbonMixturesorPetroleumOilsinWater1ThisstandardisissuedunderthefixeddesignationD5412;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—WarningstatementswereeditoriallycorrectedthroughoutinDecember2017.1.Scope1.1Thistestmethodcoversameansforquantifyingorcharacterizingtotalpolycyclicaromatichydrocarbons(PAHs)byfluorescencespectroscopy(Fl)forwaterbornesamples.Thecharacterizationstepisforthepurposeoffindinganappropri-atecalibrationstandardwithsimilaremissionandsynchronousfluorescencespectra.1.2ThistestmethodisapplicabletoPAHsresultingfrompetroleumoils,fueloils,creosotes,orindustrialorganicmixtures.Samplescanbeweatheredorunweathered,buteitherthesamematerialorappropriatelycharacterizedsite-specificPAHorpetroleumoilcalibrationstandardswithsimilarfluo-rescencespectrashouldbechosen.Thedegreeofspectralsimilarityneededwilldependonthedesiredlevelofquantifi-cationandontherequireddataqualityobjectives.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterm...