ASTM E1760-1996(2003)e1 含放射性残余物的松散材料的无约束处理的标准导则

作者:标准资料网 时间:2024-05-16 04:14:16  浏览:8067   来源:标准资料网

【英文标准名称】:StandardGuideforUnrestrictedDispositionofBulkMaterialsContainingResidualAmountsofRadioactivity
【原文标准名称】:含放射性残余物的松散材料的无约束处理的标准导则
【标准号】:ASTME1760-1996(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E10.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:decontaminationanddecommissioning;radiologicallycontaminatedmaterials;releaseofmaterials
【摘要】:1.1Thisguidecoversthetechniquesforobtainingapprovalforreleaseofmaterialsencounteredindecontaminationanddecommissioning(DD)fromrestricteduse.Itappliestomaterialsthatdonotmeetanyoftherequirementsforregulatorycontrolbecauseofradioactivitycontent.showsthelogicdiagramfordeterminingthematerialsthatcouldbeconsideredforrelease.Materialsthatnegotiatethislogictreearereferredtoas"candidateforreleasebasedondose."1.2Theobjectiveofthisguideistoprovideamethodologyfordistinguishingbetweenmaterialthatmustbecarefullyisolatedtopreventhumancontactfromthatthatcanberecycledorotherwisedisposedof.Itappliestomaterialinwhichtheradioactivityisdispersedmoreorlessuniformlythroughoutthevolumeofthematerial(termedresidualinbulkform)asopposedtosurfacecontaminatedobjects.1.3Surfacecontaminatedobjectsarematerialsexternallycontaminatedwithradioactivematerial.Provisionsalreadyexistfortheirreleaseforrecycleifitcanbeshownthattheymeetapplicablefederalandstateregulationsforsurfacecontamination.RegulatoryGuide1.86andDOEOrder5400.5specifytheupperlimitsforradioactivesurfacecontaminationonmaterialtobereleasedforunrestricteduse.1.4Thereleaseofmaterialcontainingresidualradioactivematerial(exceptfor226Ra)inbulkform(forexample,soilorslightlyactivatedmetal)isbasedonthedemonstrationthatthedosetoamemberofthepublicwillbelowerthanaspecifiedvalue(proposedbythepetitionerortobedeterminedbyfutureregulation)foritsintendeduseandlowerthanasecondspecifiedvalue(alsoproposedbythepetitionerortobedeterminedbyfutureregulation)viathemostrestrictiveplausiblescenario.Thefirstproposedvalueshouldbelowerthanthesecondsincethedosetoanymemberofthepublic(viatheintendedusescenario)willalmostcertainlyberealized,whereasthedosefromthealternatescenariowillonlyaccrueifanunintended(andpresumablylessprobably)circumstancearises.Federalregulationalreadyexistsforthereleaseof226Racontaminatedsoils
【中国标准分类号】:Z33
【国际标准分类号】:13_030_40(INSTALLATIONSANDEQUIPMENTFORWASTEDISPOSALANDTREATMENT)
【页数】:6P.;A4
【正文语种】: