Designation:E2093−12StandardGuideforOptimizing,ControllingandAssessingTestMethodUncertaintiesfromMultipleWorkstationsintheSameLaboratoryOrganization1ThisstandardisissuedunderthefixeddesignationE2093;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesaprotocolforoptimizing,controlling,andreportingtestmethoduncertaintiesfrommul-tipleworkstationsinthesamelaboratoryorganization.Itdoesnotapplywhendifferenttestmethods,dissimilarinstruments,ordifferentpartsofthesamelaboratoryorganizationfunctionindependentlytovalidateorverifytheaccuracyofaspecificanalyticalmeasurement.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE350TestMethodsforChemicalAnalysisofCarbonSteel,Low-AlloySteel,SiliconElectricalSteel,IngotIron,andWroughtIronE415TestMethodforAtomicEmissionVacuumSpectro-metricAnalysisofCarbonandLow-AlloySteelE1329PracticeforVerificationandUseofControlChartsinSpectrochemicalAnalysisE1601PracticeforConductinganInterlaboratoryStudytoEvaluatethePerformanceofanAnalyticalMethodE2027PracticeforConductingProficiencyTestsintheChemicalAnalysisofMetals,Ores,andRelatedMaterials2.2ISOStandards:3ISO/IEC17025GeneralRequirementsfortheCompetenceofCalibrationandTestingLaboratoriesISO9000QualityManagementandQualitySystemEle-ments2.3OtherStandards:MeasurementSystemsAnalysisReferenceManual43.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisguide,refertoTerminologyE135.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1workstation,n—acombinationofpeop...
