Designation:D8409−21StandardGuideforConductingStackingTestsonUNPackagingsUsingGuidedorUnguidedLoads1ThisstandardisissuedunderthefixeddesignationD8409;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisguideisintendedtoprovideastandardizedmethodandasetofbasicinstructionsforconductingstackingtestsonUnitedNations(UN)non-bulk,intermediatebulkcontainer(IBC),andLargePackagings.UsingguidedorunguidedloadsinaccordancewiththeU.S.DepartmentofTransportationTitle49CodeofFederalRegulations(CFR)andtheUNRecom-mendationsontheTransportofDangerousGoods(“TheOrangeBook”).ThecombinationorinterchangeoftheseregulationswillbereferredtoastheHazardousMaterialRegulations(HMR).1.2TheDangerousGoodsRegulationsrequireperformanceteststobeconductedonpackagingdesignspriortobeingauthorizedforuse.Theregulationsdonotincludestandardizedprocedurestoaccomplishthiswhichcanresultindifferencesbetweentestingfacilities.ThepurposeofthisdocumentistoprovideguidanceandtoestablishasetofcommonpracticesforconductingstacktestingonpackagingsundergoingUNcerti-fication.1.3Theuserofthisguidemustbetrainedinaccordancewith49CFRasrequiredby172.700andshouldbefamiliarwithotherapplicablehazardousmaterialsregulationssuchas;InternationalCivilAviationOrganization(ICAO)TechnicalInstructionsfortheSafeTransportofDangerousGoodsbyAir,theInternationalMaritimeDangerousGoodsCode(IMDGCode),andcarrierrulessuchasInternationalAirTransportAssociation(IATA)DangerousGoodsRegulations.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddet...
