ISO/ASTM51607:2013(E)AnAmericanNationalStandardStandardPracticeforUseofanAlanine-EPRDosimetrySystem1ThisstandardisissuedunderthefixeddesignationISO/ASTM51607;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.1.Scope1.1Thispracticecoversdosimetermaterials,instrumenta-tion,andproceduresforusingthealanine-EPRdosimetrysystemformeasuringtheabsorbeddoseinthephotonandelectronradiationprocessingofmaterials.Thesystemisbasedonelectronparamagneticresonance(EPR)spectroscopyoffreeradicalsderivedfromtheaminoacidalanine.21.2ThealaninedosimeterisclassifiedasatypeIdosimeterasitisaffectedbyindividualinfluencequantitiesinawell-definedwaythatcanbeexpressedintermsofindependentcorrectionfactors(seeASTMPracticeE2628).Thealaninedosimetermaybeusedineitherareferencestandarddosimetrysystemorinaroutinedosimetrysystem.1.3Thisdocumentisoneofasetofstandardsthatprovidesrecommendationsforproperlyimplementingdosimetryinradiationprocessing,anddescribesameansofachievingcompliancewiththerequirementsofASTME2628“PracticeforDosimetryinRadiationProcessing”foralaninedosimetrysystem.ItshouldbereadinconjunctionwithASTME2628.1.4Thispracticecoversalanine-EPRdosimetrysystemsfordosemeasurementsunderthefollowingconditions:1.4.1Theabsorbeddoserangeisbetween1and1.53105Gy.1.4.2Theabsorbeddoserateisupto102Gys-1forcontinu-ousradiationfieldsandupto331010Gys-1forpulsedradiationfields(1-4).31.4.3Theradiationenergyforphotonsandelectronsisbetween0.1and30MeV(1,2,5-8).1.4.4Theirradiationtemperatureisbetween–78°Cand+70°C(2,9-12).1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Referenceddocuments2.1ASTMStandards:4E170TerminologyRelatingtoRadiationMeasurementsandDosimetryE2628PracticeforDosimetryinRadiationProcessingE2701GuideforPerformanceCharacterizationof...
