Designation:D6427−21StandardPracticeforHandling,Transportation,andStorageofHFC-236fa,1,1,1,3,3,3-Hexafluoropropane(CF3CH2CF3)1ThisstandardisissuedunderthefixeddesignationD6427;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversguidanceanddirectiontosuppliers,purchasers,andusersinthehandling,transportation,andstorageofHFC-236fa.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandard:2D6541SpecificationforHFC-236fa,1,1,1,3,3,3–Hexafluoropropane,(CF3CH2CF3)2.2CGAStandards:3C-1MethodsforPressureTestingCompressedGasCylin-dersC-6StandardsforVisualInspectionofSteelCompressedGasCylindersC-7GuidetoClassificationandLabelingofCompressedGasesP-1StandardforSafeHandlingofCompressedGasesinContainersSB-1HazardsofRefillingorReusingCompressedRefrig-erant(HalogenatedHydrocarbon)GasCylindersSB-18UseofRefrigerant(HalogenatedHydrocarbons)Re-coveryCylinders2.3U.S.GovernmentStandards:449CFRPart172HazardousMaterialsTable,SpecialProvisions,HazardousMaterialsCommunications,Emer-gencyResponseInformation,TrainingRequirements,andSecurityPlans49CFRPart172.101Purposeand...