Designation:D7122−21StandardSpecificationforHCFCBlendB(CF3CCl2H,Ar,andCF4)1ThisstandardisissuedunderthefixeddesignationD7122;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversrequirementsforHCFCBlendBasafire-fightingmedium.1.2Thisspecificationdoesnotaddressthefire-fightingequipmentorhardwarethatemploysHCFCBlendBortheconditionsofemployingsuchequipment(forexample,handhelds,fixedinstallations,etc.).1.3ThisspecificationdoesnotaddressthestorageortransportationofHCFCBlendB.Storage,handling,andtransportationissuesareaddressedinPracticeD7123.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section6,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specifichazardsstatementsaregivenin4.5.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D6806PracticeforAnalysisofHalogenatedOrganicSol-ventsandTheirAdmixturesbyGasChromatographyD7123PracticeforHandling,Transportation,andStorageofHCFCBlendB(CF3CCl2H,Ar,andCF4)2.2U.S.GovernmentStandards:349CFRPart172HazardousMaterialsTable,SpecialProvisions,HazardousMaterialsCommunications,Emer-gencyResponseInformation,T...
