Designation:D7326−21StandardPracticeforHandling,Transportation,andStorageofHFCBlendB(CH2FCF3,CHF2CF3,andCO2)1ThisstandardisissuedunderthefixeddesignationD7326;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversguidanceanddirectiontosuppliers,reclaimers,purchasers,andusersinthehandling,transportation,andstorageofHFCBlendB.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandard:2D7327SpecificationforHFCBlendB(CH2FCF3,CHF2CF3,andCO2)2.2CGAStandards:3C-1MethodsforPressureTestingCompressedGasCylin-dersC-6StandardsforVisualInspectionofSteelCompressedGasCylindersC-7GuidetoClassificationandLabelingofCompressedGasesP-1StandardforSafeHandlingofCompressedGasesinContainers2.3U.S.GovernmentStandards:449CFRPart172HazardousMaterialsTable,SpecialProvisions,HazardousMaterialsCommunications,Emer-gencyResponseInformation,TrainingRequirements,andSecurityPlans49CFRPart172.101PurposeandUseofHazardousMate-rialsTable49CFRPart173Shippers—GeneralRequirementsforShip-mentsandPackagings49CFRPart178SpecificationsforPackagings49CFRPart180ContinuingQualificationandMaint...
