ISO/ASTM51818:2013(E)StandardPracticeforDosimetryinanElectronBeamFacilityforRadiationProcessingatEnergiesBetween80and300keV1ThisstandardisissuedunderthefixeddesignationISO/ASTM51818;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.1.Scope1.1Thispracticecoversdosimetricprocedurestobefol-lowedininstallationqualification,operationalqualificationandperformancequalification(IQ,OQ,PQ),androutineprocess-ingatelectronbeamfacilitiestoensurethattheproducthasbeentreatedwithanacceptablerangeofabsorbeddoses.OtherproceduresrelatedtoIQ,OQ,PQ,androutineproductpro-cessingthatmayinfluenceabsorbeddoseintheproductarealsodiscussed.1.2Theelectronbeamenergyrangecoveredinthispracticeisbetween80and300keV,generallyreferredtoaslowenergy.1.3Dosimetryisonlyonecomponentofatotalqualityassuranceprogramforanirradiationfacility.Othermeasuresmayberequiredforspecificapplicationssuchasmedicaldevicesterilizationandfoodpreservation.1.4OtherspecificISOandASTMstandardsexistfortheirradiationoffoodandtheradiationsterilizationofhealthcareproducts.Fortheradiationsterilizationofhealthcareproducts,seeISO11137.InthoseareascoveredbyISO11137,thatstandardtakesprecedence.Forfoodirradiation,seeISO14470:2011.Informationabouteffectiveorregulatorydoselimitsforfoodproductsisnotwithinthescopeofthispractice(seeASTMF1355andF1356).1.5Thisdocumentisoneofasetofstandardsthatprovidesrecommendationsforproperlyimplementingandutilizingdosimetryinradiationprocessing.ItisintendedtobereadinconjunctionwithASTME2232,“PracticeforDosimetryinRadiationProcessing”.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Referenceddocuments2.1ASTMStandards:2E170TerminologyRelatingtoRadiationMeasurementsandDosimetryE2232GuideforSelectionandUseofMathematicalMeth-odsforCalculatingAbsorb...