Designation:D5059−14(Reapproved2019)StandardTestMethodsforLeadinGasolinebyX-RaySpectroscopy1ThisstandardisissuedunderthefixeddesignationD5059;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverthedeterminationofthetotalleadcontentofagasolinewithinthefollowingconcentrationranges:0.010gPb⁄USgalto5.0gPb⁄USgal0.012gPb⁄UKgalto6.0gPb⁄UKgal0.0026gPb⁄Lto1.32gPb⁄L1.1.1TestMethodsAandBcovertherangeof0.10gPb⁄USgalto5.0gPb⁄USgal.TestMethodCcoverstherangeof0.010gPb⁄USgalto0.50gPb⁄USgal.1.1.2Thesetestmethodscompensatefornormalvariationingasolinecompositionandareindependentofleadalkyltype.1.2TestMethodA(formerlyinwithdrawnTestMethodD2599)—Sections5–9.TestMethodB(formerlyinwithdrawnTestMethodD2599)—Sections10–14.TestMethodC(formerlyinwithdrawnTestMethodD3229)—Sections15–19.1.3ThevaluesstatedinSIaretoberegardedasthestandard.ForreportingpurposesthevaluesstatedingramsperU.S.gallonarethepreferredunitsintheUnitedStates.Notethatinothercountries,otherunitscanbepreferred.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSections5,6,11,and18.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D3341TestMethodforLeadinGasoline—IodineMono-chlorideMethodD4057PracticeforM...
