【英文标准名称】:StandardPracticesforDecontaminationofFieldEquipmentUsedatLowLevelRadioactiveWasteSites
【原文标准名称】:用于低水平放射性废物场所的现场设备去污染标准规范
【标准号】:ASTMD5608-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contaminate;contamination;controlrinsewater;controlwater;decontaminate;decontamination;equipment;mixedwaste;radioactive;radiological;transuranic;wastes;samplecontacting;sampling;Contamination--waste;Controlrinsewater;Decont
【摘要】:Theprimaryobjectivesofworkatlow-levelradioactivewastesitesaretheprotectionofpersonnel,preventionofthespreadofcontamination,minimizationofadditionalwastes,protectionofsampledataquality,andtheunconditionalreleaseofequipmentused.Preventingthecontaminationofequipmentusedatlow-levelradioactivewastesitesandthedecontaminationofcontaminatedequipmentarekeyaspectsofachievingthesegoals.Thispracticeprovidesguidanceintheplanningofworktopreventcontaminationandwhennecessary,forthedecontaminationofequipmentthathasbecomecontaminated.Thebenefitsinclude:Minimizingthespreadofcontaminationwithinasiteandpreventingthespreadoutsideoftheworkarea.Reducingthepotentialexposureofworkersduringtheworkandthesubsequentdecontaminationofequipment.Minimizingtheamountsofadditionalwastesgeneratedduringthework,includingliquid,ormixedwastes,includingseparationofthewastetypes,suchasprotectiveclothing,cleaningequipment,cleaningsolutions,andprotectivewrapsanddrapes.Improvingthequalityofsampledataandreliability.Thispracticemaynotbeapplicabletoalllow-levelradioactivewastesites,suchassitescontaininglow-levelradioactivewastesmixedwithchemicalorreactivewastes.Fieldpersonnel,withassistancefromtrainedradiologicalcontrolprofessionals,shouldhavetheflexibilitytomodifythedecontaminationprocedureswithdueconsiderationforthesamplingobjectives,orifpastexperiencesupportsalternativeproceduresforcontaminationprotectionordecontamination.Thispracticedoesnotaddressthemonitoring,protection,ordecontaminationofpersonnelworkingwithlow-levelradioactivewastes.Thispracticedoesnotaddressregulatoryrequirementsthatmaycontrolorrestrictwork,theneedforpermitsorregulatoryapprovals,ortheaccumulation,handling,ordisposalofgeneratedwastes.1.1Thesepracticescoverthedecontaminationoffieldequipmentusedinthesamplingofsoils,soilgas,sludges,surfacewaterandgroundwateratwastesitesknownorsuspectedofcontaininglowlevelradioactivewastes.1.2Thispracticeisapplicableatsiteswherelowlevelradioactivewastesareknownorsuspectedtoexist.Thispracticemayalsobeapplicableforthedecontaminationofequipmentusedinknownorsuspectedtransuranic,ormixedwasteswhenusedbyitselforinconjunctionwithPracticeD5088.1.3Proceduresarecontainedinthispracticeforthedecontaminationofequipmentthatcomesintocontactwiththesamplematrix(samplecontactingequipment),andforancillaryequipmentthathasnotcontactedthesample,butmayhavebecomecontaminatedduringuse(non-contactingequipment).Forsamplecontactingequipmenttherearefourseparateprocedures(ProcedureAthroughD)inSection8.Fornon-contactingequipment,oneprocedureispresentedascoveredinSection9.1.4Thispracticeisapplicabletomostconventionalsamplingequipmentconstructedofmetallicandhard,smoothsyntheticmaterials.Materialswithroughorporoussurfaces,orhavingahighsorptionrateshouldnotbeusedinradioactivewastesamplingduetothedifficultieswithdecontamination.1.5Inthosecaseswheresamplingwillbeperiodicallyperformed,suchassamplingofwells,considerationshouldbegiventotheuseofdedicatedsamplingequipmentiflegitimateconcernsexistfortheproductionofundesirableorunmanageablewastebyproducts,orboth,duringthedecontaminationoftoolsandequipment.1.6Thispracticedoesnotaddressregulatoryrequirementsforpersonnelprotectionordecontamination,orforthehandling,labeling,s......
【中国标准分类号】:Z33
【国际标准分类号】:13_030_30
【页数】:8P.;A4
【正文语种】:英语