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【英文标准名称】:StandardGuideforLaboratoryEvaluationofAutomaticPedestrianSNMMonitorPerformance
【原文标准名称】:行人区自动SNM监视器性能的实验室评定的标准指南
【标准号】:ASTMC1169-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:C26.12
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:行人区;监视器
【英文主题词】:monitoring-nuclearapplications
【摘要】:1.1Therequirementtosearchpedestriansforspecialnuclearmaterial(SNM)topreventitsthefthaslongbeenapartofbothUnitedStatesDepartmentofEnergyandUnitedStatesNuclearRegulatoryCommissionrulesforthephysicalprotectionofSNM.InformationontheapplicationofSNMmonitorstoperformsuchsearchesisprovidedinGuideC1112.ThisguideestablishesameanstocomparetheperformanceofdifferentSNMpedestrianmonitorsoperatinginaspecificlaboratoryenvironment.ThegoalistoproviderelativeinformationonthecapabilityofmonitorstosearchpedestriansforsmallquantitiesofconcealedSNMundercharacterizedconditions.TheoutcomeoftestingassignsasensitivitycategorytoamonitorrelatedtoitsSNMmass-detectionprobability;themonitor''scorrespondingnuisance-alarmprobabilityforthatsensitivitycategoryisalsodeterminedandreported.1.2Theevaluationusesapracticalsetofworst-caseenvironmental,radiationemission,andradiationresponsefactorssothatamonitor''slowestlevelofperformanceinapracticaloperatingenvironmentfordetectingsmallquantitiesofSNMisevaluated.Asaresult,whenthatmonitorismovedfromlaboratorytoroutineoperation,itsperformancewilllikelyimprove.Thisworst-caseprocedureleadstounclassifiedevaluationresultsthatunderstateratherthanoverstatetheperformanceofaproperlyusedSNMmonitorinoperationaluse.1.3TheevaluationappliestotwotypesofSNMmonitorsthatareusedtodetectsmallquantitiesofSNM.Bothareautomaticmonitors;onemonitorspedestriansastheywalkthroughaportalformedbythemonitor''sradiationdetectors(walkthroughorportalmonitor),andtheothermonitorspedestrianswhoarestationaryforashortperiodoftimewhiletheyaremonitored(wait-inmonitor).Thelattercanbeaportalmonitorwithadelaymechanismtohaltapedestrianforafewsecondsoritcanbeanaccess-controlboothorroomthatcontainsradiationdetectorstomonitorapedestrianwaitingforclearancetopass.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A91
【国际标准分类号】:93_080_30
【页数】:10P.;A4
【正文语种】: