【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指南
【标准号】:ASTME1760-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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;Contamination--nuclear;Radiationexposure--nuclearmaterials/applications;Radioactivewastematerials;Residualradioactivity;Traceelements--nuclear
【摘要】:MaterialsencounteredduringDx0026;Dmaycontainresidualradioactivityvaryinginamountsfromthatinirradiatedfueltobarelydetectablequantitiesinoronbuildingmaterials.Itisclearthathighlyradioactivematerialshavetobedisposedasradioactivewastepursuantto10CFR60and10CFR61.Conversely,itisnotreasonabletoexpendadisproportionateamountofresourcestoisolatematerialsthatcontainminutequantitiesofradioactivematerialsthatwillnotcauseevenstatisticallymeasurablehealtheffects.Thisguideprovidesarationaleandmethodologyfordistinguishingbetweenmaterialsthatcontainsufficientradioactivitytowarrantisolationofsometype(storageawaitingdecay,near-surfacedisposal,disposalwithintruderprotection,orplacementinadeeprepository)frommaterialswithinsignificantradioactivecontent.Materialswithinsignificantradioactivecontentcanberecycledintheeconomyordisposedofinconventional(landfill)facilitieswithoutadversehealtheffects.Materialsthatmeetthecriteriaidentifiedinthisguidearenotsimplyexcludedfromregulationbecausetheydonotfallpreciselyintheregulatoryscope.Theyaresufficientlyfreeofradioactivematerialsothatnofurthereffortsatcontrolarejustifiedforradiationprotectionpurposes.Therefore,thereleaseofmaterialsforunrestricteduseinaccordancewiththisguidemeetsthecriteriaforbeinganx201C;aslowasreasonablyachievablex201D;(ALARA)activity.Forthepurposeofthisguide,thereturnofmaterialscontainingresidualradioactivitytosocietywithoutregulatoryrestrictionsisreferredtoasx201C;unrestrictedreleasebasedontheabsenceofthecrediblepotentialforadversehealtheffects.x201D;Thisguideassertsthatmaterialsrecycledthiswaywillhavenostatisticallymeasurablehealtheffectsregardlessofuse.Itdoesnotguaranteethatthematerialsaresuitableforuseineverypossibleapplication,forexample,traceamountsofradionuclidesinmaterialsmaynotbeacceptableforcertainphotographicandelectronicapplications.Thisguidealsoassertsthattheownerofthematerialsisresponsibleforensuringthatsociety''scriteriaforx201C;nomeasurablehealtheffectsx201D;ismetbeforerelease,andthattheresponsibilityforprovidingmaterialswiththepurityrequiredforaspecialapplicationrestsnotwiththeowner,butwiththedeveloperofthatapplication.1.1Thisguidecoversthetechniquesforobtainingapprovalforreleaseofmaterialsencounteredindecontaminationanddecommissioning(Dx0026;D)fromrestricteduse.Thiswouldbeaddressedinthedecommissioningplan(E1281).Itappliestomaterialsthatdonotmeetanyoftherequirementsforregulatorycontrolbecauseofradioactivitycontent.Fig.1showsthelogicdiagramfordeterminingthematerialsthatcouldbeconsideredforrelease.Materialsthatnegotiatethislogictreearereferredtoasx201C;candidateforreleasebasedondose.x201D;1.2Theobjectiveofthisguideistoprovideamethodologyfordistinguishingbetweenmaterialthatmustbecarefullyisolatedtopreventhumancontactfromthatthatcanberecycledorotherwisedisposedof.Itappliestomaterialinwhichtheradioactivityisdispersedmoreorlessuniformlythroughoutthevolumeofthematerial(termedresidualinbulkform)asopposedtosurfacecontaminatedobjects.1.3Surfacecontaminatedobjectsarematerialsexternallycontaminatedwithradioactivematerial.Provisio......
【中国标准分类号】:Z33
【国际标准分类号】:13_030_40
【页数】:6P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 短波无线电测向台(站)电磁环境要求 |
| 英文名称： | Requirements of the electromagnetic environment for short-wave radio direction finding stations |
| 中标分类： |
通信、广播 >>
雷达、导航、遥控、遥测、天线 >>
雷达、导航、遥控、遥测、天线综合 |
| ICS分类： |
电信、音频和视频技术 >>
无线通信 >>
接收和发射设备
|
| 替代情况： | 被GB 13614-2012代替 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1992-08-19 |
| 实施日期： | 1993-09-01 |
| 首发日期： | 1992-08-19 |
| 作废日期： | 2013-04-01 |
| 主管部门： | 信息产业部（通信） |
| 归口单位： | 信息产业部（通信） |
| 起草单位： | 解放军总参谋部第58所 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2004-07-25 |
| 页数： | 平装16开， 页数：10， 字数：16千字 |
| 书号： | 155066.1-9212 |
适用范围
本标准规定了短波无线电测向台（站）的电磁环境保护要求。本标准适用于频率为1.5～30MHz的固定无线电测向台（站）。
前言
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目录
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引用标准
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所属分类： 通信 广播 雷达 导航 遥控 遥测 天线 雷达 导航 遥控 遥测 天线综合 电信 音频和视频技术 无线通信 接收和发射设备