Designation:C970–87(Reapproved2006)StandardPracticeforSamplingSpecialNuclearMaterialsinMulti-ContainerLots1ThisstandardisissuedunderthefixeddesignationC970;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeprovidesanaidindesigningasamplingandanalysisplanforthepurposeofminimizingrandomerrorinthemeasurementoftheamountofnuclearmaterialinalotconsistingofseveralcontainers.Theproblemaddressedistheselectionofthenumberofcontainerstobesampled,thenumberofsamplestobetakenfromeachsampledcontainer,andthenumberofaliquotanalysestobeperformedoneachsample.1.2Thispracticeprovidesexamplesforapplicationaswellasthenecessarydevelopmentforunderstandingthestatisticsinvolved.Theuniquenessofmostsituationsdoesnotallowpresentationofstep-by-stepproceduresfordesigningsamplingplans.Itisrecommendedthatastatisticianexperiencedinmaterialssamplingbeconsultedwhendevelopingsuchplans.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E300PracticeforSamplingIndustrialChemicals2.2OtherStandard:NUREG/CR-0087,ConsiderationsforSamplingNuclearMaterialsforSNMAccountingMeasurements33.TerminologyDefinitions3.1analysisofvariance—thebodyofstatisticaltheory,methods,andpracticeinwhichthevariationinasetofmeasurements,asmeasuredbythesumofsquaresofthemeasurements,ispartitionedintoseveralcomponentsumsofsquares,eachattributabletosomemeaningfulcause(sourceofvariation).3.2confidenceinterval—(a)anintervalestimatorusedtoboundthevalueofapopulationparameterandtowhichameasureofconfidencecanbeassociated,and(b)theinterv...
