Designation:C1689−08a(Reapproved2014)StandardPracticeforSubsamplingofUraniumHexafluoride1ThisstandardisissuedunderthefixeddesignationC1689;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeisapplicabletosubsamplinguraniumhexafluoride(UF6),usingheatliquefactiontechniques,frombulkcontainers,obtainedinconformancewithC1052,intosmallersamplecontainers,whicharerequiredforlaboratoryanalyses.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3ItisassumedthattheliquidUF6beingsampledcom-prisesasinglequalityandquantityofmaterial.Thispracticedoesnotaddressanyspecialadditionalarrangementthatmightberequiredfortakingproportionalorcompositesamples.1.4Thenumberofsamplestobetaken,theirnominalsampleweight,andtheirdispositionshallbeagreeduponbetweentheparties.1.5Thescopeofthispracticedoesnotincludeprovisionsforpreventingcriticalityincidents.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C787SpecificationforUraniumHexafluorideforEnrich-mentC859TerminologyRelatingtoNuclearMaterialsC996SpecificationforUraniumHexafluorideEnrichedtoLessThan5%235UC761TestMethodsforChemical,MassSpectrometric,Spectrochemical,Nuclear,andRadiochemicalAnalysisofUraniumHexafluorideC1052PracticeforBulkSamplingofLiquidUraniumHexafluoride2.2OtherDocuments:ANSIN14.1UraniumHexafluoride:PackagingforTrans-port3ISO/DIS7195PackagingofUraniumHexafluoride(UF6)forTransport4USEC-651TheUF6Manual:GoodHandlingPracticesforUraniumHexafluoride,latestrevision53.Terminology3.1TermsshallbedefinedinaccordancewithTerminologyC...
