Designation:E2303–11AnAmericanNationalStandardStandardGuideforAbsorbed-DoseMappinginRadiationProcessingFacilities1ThisstandardisissuedunderthefixeddesignationE2303;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisdocumentprovidesguidanceindeterminingabsorbed-dosedistributions(mapping)inproducts,materialsorsubstancesirradiatedingamma,X-ray(bremsstrahlung)andelectronbeamfacilities.NOTE1—Forirradiationoffoodandtheradiationsterilizationofhealthcareproducts,otherspecificISOandISO/ASTMstandardscontainingdosemappingrequirementsexist.Forfoodirradiation,seeISO/ASTM51204,PracticeforDosimetryinGammaIrradiationFacilitiesforFoodProcessingandISO/ASTM51431,PracticeforDosimetryinElectronBeamandX-Ray(Bremsstrahlung)IrradiationFacilitiesforFoodPro-cessing.Fortheradiationsterilizationofhealthcareproducts,seeISO11137-1,SterilizationofHealthCareProductsRadiation–Part1:RequirementsforDevelopment,ValidationandRoutineControlofaSterilizationProcessforMedicalDevices.InthoseareascoveredbyISO11137-1,thatstandardtakesprecedence.ISO/ASTM51608,PracticeforDosimetryinanX-ray(Bremsstrahlung)FacilityforRadiationProcessing,ISO/ASTM51649,PracticeforDosimetryinanElectronBeamFacilityforRadiationProcessingatEnergiesbetween300keVand25Mev,ISO/ASTM51702,PracticeforDosimetryinaGammaIrradia-tionFacilityforRadiationProcessing,andISO/ASTM51818,PracticeforDosimetryinanElectronBeamFacilityforRadiationProcessingatEnergiesBetween80and300KeValsocontaindosemappingrequire-ments.1.2Thisguideisoneofasetofstandardsthatprovidesrecommendationsforproperlyimplementingdosimetryinradiationprocessing.itisintendedtobereadinconjunctionwithASTMPracticeE2628.1.3Methodsofanalyzingthedosemapdataaredescribed.Examplesareprovidedofstatisticalmethodsthatmaybeusedtoanalyzedosemapdata.1.4Dosemappingforbulkflowprocess...
