【英文标准名称】:Waterquality-Sampling-Part20:Guidanceontheuseofsamplingdatafordecisionmaking-Compliancewiththresholdsandclassificationsystems
【原文标准名称】:水质.取样.第20部分:决策用取样数据的使用指南.与阈值和分类系统相一致
【标准号】:ISO5667-20-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:化学性质;降解能力;生态毒理;设备;物理性能;特性;研究方法;采样位置;抽样方法;沉淀物;污水处理;污水处理厂;侧壁试验器;污泥;标准方法;储存;试验规程;测试;水质分析;水污染;水质;水质试验
【英文主题词】:Chemicalproperties;Degradability;Ecotoxicity;Equipment;Physicalproperties;Properties;Researchmethods;Samplelocation;Samplingmethods;Sediment;Sewagetreatment;Sewagetreatmentplants;Sidetesters;Sludge;Standardmethods;Storage;Testprocedures;Testing;Wateranalysis;Waterpollution;Waterquality;Watertesting
【摘要】:ThispartofISO5667establishesprinciples,basicrequirements,andillustrativemethodsfordealingwiththeuseofsampledatafordecisionmakingbasedontheassessmentoftheconfidencethatwaterquality:a)meetstargetsandcomplieswiththresholds;b)haschanged;and/orc)liesinaparticulargradeinaclassificationsystem.ThispartofISO5667alsospecifiesmethodsforpreliminaryexaminationofthesensitivityofdecisionstoerroranduncertainty,althoughitdoesnotcoverthefullrangeofstatisticaltechniques.ThispartofISO5667providesgeneraladviceondecisionmakingrelatedtoconstraintformulationforexpressionofthresholdsandtargetsandtheformandscaleofsamplingprogrammes.NOTE1Inthewaterindustry,"standard"iscommonlyusedtoindicatethevalueorlimitofaparameterofinterestHowever,inthispartofISO5667,theterm"threshold"isusedtoavoidconfusionwithpublishednational,regional,andInternationalStandards.NOTE2Thisdocumentisframedintermsofsamplingandmeasurementofchemicalconcentrations,inparticularthosesubjecttostrongday-to-daytemporalvariations.Theprinciplesapply,however,toanyitemestimatedbysamplingwhichissubjecttorandomerror,includingmicrobiologicalandbiologicaldata,anddatasubjecttostrongspatialvariations.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_45
【页数】:42P.;A4
【正文语种】:英语