Designation:D5954−22aStandardTestMethodforMercurySamplingandMeasurementinGaseousFuelsbyAtomicAbsorptionSpectroscopy1ThisstandardisissuedunderthefixeddesignationD5954;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftotalmercuryingaseousfuelsatconcentrationsdownto0.5ng⁄m3.Itincludesseparateproceduresforbothsamplingandatomicabsorptionspectrophotometricdeterminationofmercury.Thisproceduredetectsbothinorganicandorganicformsofmercury.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Warning—Mercuryhasbeendesignatedbymanyregu-latoryagenciesasahazardousmaterialthatcancauseseriousmedicalissues.Mercury,oritsvapor,hasbeendemonstratedtobehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontain-ingproducts.SeetheapplicableproductSafetyDataSheet(SDS)foradditionalinformation.Usersshouldbeawarethatsellingmercuryormercurycontainingproducts,orboth,intoyourstateorcountrymaybeprohibitedbylaw.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheappli-cabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD4150TerminologyRelatingtoGaseousFuels2.2USEPADocument:3Method1631,RevisionEMercuryinWaterbyOxidation,PurgeandTrap,andColdVaporAtomicFluorescenceSpectrometry.EPA-821-R-02-019.U.S.Environmen...
