Designation:D7327−12StandardSpecificationforHFCBlendB(CH2FCF3,CHF2CF3,andCO2)1ThisstandardisissuedunderthefixeddesignationD7327;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversrequirementsforHFCBlendBasafire-fightingmedium.1.2Thisspecificationdoesnotaddressthefire-fightingequipmentorhardwarethatemploysHFCBlendBortheconditionsofemployingsuchequipment(forexample,handhelds,fixedinstallations,etc.).1.3ThisspecificationdoesnotaddressthestorageortransportationofHFCBlendB.Storage,handling,andtrans-portationissuesareaddressedinPracticeD7326.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificcaution-arystatementsaregiveninSection4.2.ReferencedDocuments2.1ASTMStandards:2D7326PracticeforHandling,Transportation,andStorageofHFCBlendB(CH2FCF3,CHF2CF3,andCO2)D6806PracticeforAnalysisofHalogenatedOrganicSol-ventsandTheirAdmixturesbyGasChromatography2.2ISOStandards:3ISO3427GaseousHalogenatedHydrocarbons(LiquefiedGases)–TakingofaSample2.3ASHRAEStandard:4ASHRAE34DesignationandSafetyClassificationofRe-frigerants2.4U.S.GovernmentStandards:5CFRTitle49,Part172,SubpartD,U.S.DepartmentofTransportation(DOT),MarkingRequirementsofPackag-ingforTransportationCFRTitle49,Part172.101TablesofHazardousMaterialsandSpecialProvisions2.5AHRIStandards:62008AppendixCforAnalyticalProceduresforAHRIStan-dard700-20063.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1HFC—hydrofluoroc...
