热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D6232-2008 废弃物和污染介质数据收集活动用取样设备选择的标准指南

作者:标准资料网 时间:2024-05-19 15:46:22  浏览:8077   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforSelectionofSamplingEquipmentforWasteandContaminatedMediaDataCollectionActivities
【原文标准名称】:废弃物和污染介质数据收集活动用取样设备选择的标准指南
【标准号】:ASTMD6232-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D34.01.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmental;liquid;monitoring;sampling;samplingequipment;sediment;soil;wastemanagement;water;Environmentalmonitoring;Environmentalsampling/testing;Samplingwastematerials/applications;Sedimentsampling;Soilsampling;Wastematerials/pr
【摘要】:Althoughmanytechnicalpapersaddresstopicsimportanttoefficientandaccuratesamplinginvestigations(DQO''s,studydesign,QA/QC,dataassessment;seeGuidesD4687,D5730,D6009,D6051,andPracticeD5283),theselectionanduseofappropriatesamplingequipmentisassumedoromitted.Thechoiceofsamplingequipmentcanbecrucialtothetaskofcollectingasampleappropriatefortheintendeduse.Whenasampleiscollected,allsourcesofpotentialbiasshouldbeconsidered,notonlyintheselectionanduseofthesamplingdevice,butalsointheinterpretationanduseofthedatagenerated.Somemajorconsiderationsintheselectionofsamplingequipmentforthecollectionofasamplearelistedbelow.Theabilitytoaccessandextractfromeveryrelevantlocationinthetargetpopulation,Theabilitytocollectasufficientmassofsamplesuchthatthedistributionofparticlesizesinthepopulationarerepresented,andTheabilitytocollectasamplewithouttheadditionorlossofconstituentsofinterest.Thecharacteristicsdiscussedin5.3areparticularlyimportantininvestigationswhenthetargetpopulationisheterogeneoussuchaswhenparticlesizesvary,liquidsarepresentindistinctphases,agaseousphaseexistsormaterialfromdifferentsourcesarepresentinthepopulation.Theconsiderationofthesecharacteristicsduringtheequipmentselectionprocesswillenablethedatausertomakeappropriatestatisticalinferencesaboutthetargetpopulationbasedonthesamplingresults.1.1Thisguidecoverscriteriawhichshouldbeconsideredwhenselectingsamplingequipmentforcollectingenvironmentalandwastesamplesforwastemanagementactivities.Thisguideincludesalistofequipmentthatisusedandisreadilyavailable.Manyspecializedsamplingdevicesarenotspecificallyincludedinthisguide.However,thefactorsthatshouldbeweighedwhenchoosinganypieceofequipmentarecoveredandremainthesamefortheselectionofanypieceofequipment.Samplingequipmentdescribedinthisguideincludesautomaticsamplers,pumps,bailers,tubes,scoops,spoons,shovels,dredges,coringandaugeringdevices.Theselectionofsamplinglocationsisoutsidethescopeofthisguide.1.1.1Table1listsselectedequipmentanditsapplicabilitytosamplingmatrices,includingwater(surfaceandground),sediments,soils,liquids,multi-layeredliquids,mixedsolid-liquidphases,andconsolidatedandunconsolidatedsolids.Theguidedoesnotaddressspecificallythecollectionofsamplesofanysuspendedmaterialsfromflowingriversorstreams.RefertoGuideD4411formoreinformation.1.2Table2presentsthesamelistofequipmentanditsapplicabilityforusebasedoncompatibilityofsampleandequipment;volumeofthesamplerequired;physicalrequirementssuchaspower,size,andweight;easeofoperationanddecontamination;andwhetheritisreusableordisposable.1.3Table3providesthebasisforselectionofsuitableequipmentbytheuseofanIndex.1.4Listsofadvantagesanddisadvantagesofselectedsamplingdevicesandlinedrawingsandnarrativesdescribingtheoperationofsamplingdevicesarealsoprovided.1.5Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandardunits.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthisguidemaybeap......
【中国标准分类号】:Z04
【国际标准分类号】:13_030_30
【页数】:38P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Multipoleconnectorswithbladecontacts2,5mm1mm;locatinganddetentparts
【原文标准名称】:2.5x1mm刀形触点式多极连接器.第3部分:定位零件和制动零件
【标准号】:DIN41618-3-1974
【标准状态】:现行
【国别】:德国
【发布日期】:1974-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:按钮;刀形触头;多接点连接器
【英文主题词】:pushbuttons;multipointconnectors;bladecontacts
【摘要】:Multipoleconnectors,locatinganddetentparts
【中国标准分类号】:M05
【国际标准分类号】:31_220_10
【页数】:2P;A4
【正文语种】:德语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1