【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


Product Code:SAE AMS4078
Title:Aluminum Alloy Plate 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075-T7351) Solution Heat Treated, Stress Relieved, and Overaged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of plate.