Designation:D6126/D6126M−11(Reapproved2015)StandardSpecificationforHFC-23(Trifluoromethane,CHF3)1ThisstandardisissuedunderthefixeddesignationD6126/D6126M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoverstherequirementsforHFC-23asafirefightingmedium.1.2ThisspecificationdoesnotaddressthefirefightingequipmentorhardwarethatemploysHFC-23ortheconditionsofemployingsuchequipment(forexample:handshields,fixedinstallations,etc.).1.3ThisspecificationdoesnotaddressthestorageortransportationofHFC-23Storagehandling,andtransportationissuesareaddressedinPracticeD6127.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thefollowingsafetyhazardscaveatpertainstothetestmethodsportion,Section6,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D6127PracticeforHandling,Transportation,andStorageofHFC-23(Trifluoromethane,CHF3)D6806PracticeforAnalysisofHalogenatedOrganicSol-ventsandTheirAdmixturesbyGasChromatography2.2ISOStandards:3ISO3427GaseousHalogenatedHydrocarbons(LiquefiedGases)-TakingaSample2.3AHRIStandards:42008AppendixCAnalyticalProceduresforARIStandard700-20062.4U.S.GovernmentStandards:5CodeofFederalRegulations(CFR)Title49,Part172.101TablesofHazardousMaterialsandSpecialProvisionsCodeofFederalRegulations(CFR)Title49,Part172SubDMarkingRequirementsofPackagingforTransportation2.5AmericanSoci...