ISO/ASTM51650:2013(E)AnAmericanNationalStandardStandardPracticeforUseofaCelluloseTriacetateDosimetrySystem1ThisstandardisissuedunderthefixeddesignationISO/ASTM51650;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.1.Scope1.1Thisisapracticeforusingacellulosetriacetate(CTA)dosimetrysystemtomeasureabsorbeddoseinmaterialsirradiatedbyphotonsorelectronsintermsofabsorbeddosetowater.TheCTAdosimetrysystemisclassifiedasaroutinedosimetrysystem.1.2TheCTAdosimeterisclassifiedasatypeIIdosimeteronthebasisofthecomplexeffectofinfluencequantitiesonitsresponse(seeASTMPracticeE2628).1.3Thisdocumentisoneofasetofstandardsthatprovidesrecommendationsforproperlyimplementingdosimetryinradiationprocessing,anddescribesameansofachievingcompliancewiththerequirementsofASTME2628“PracticeforDosimetryinRadiationProcessing”foraCTAdosimetrysystem.ItisintendedtobereadinconjunctionwithASTME2628.1.4ThispracticecoverstheuseofCTAdosimetrysystemsunderthefollowingconditions:1.4.1Theabsorbeddoserangeis10kGyto300kGy.1.4.2Theabsorbed-doseraterangeis3Gy/sto431010Gy/s(1).21.4.3Thephotonenergyrangeis0.1to50MeV.1.4.4Theelectronenergyrangeis0.2to50MeV.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Referenceddocuments2.1ASTMStandards:3E170TerminologyRelatingtoRadiationMeasurementsandDosimetryE275PracticeforDescribingandMeasuringPerformanceofUltravioletandVisibleSpectrophotometersE2628PracticeforDosimetryinRadiationProcessingE2701GuideforPerformanceCharacterizationofDosim-etersandDosimetrySystemsforUseinRadiationProcess-ing2.2ISO/ASTMStandards:351261PracticeforCalibrationofRoutineDosimetrySys-temsforRadiationProcessing51707GuideforEstimatingUncertaintiesinDosimetryforRadiationProcessing2.3InternationalCommissiononRadiationUnitsandMeasurements(ICRU)...
