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【英文标准名称】:StandardPracticeforSamplingWithaCompositeLiquidWasteSampler(COLIWASA)
【原文标准名称】:混合废液取样器取样标准规程(COLIWASA)
【标准号】:ASTMD5495-2003(2007)
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D34.01.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:取样;环境试验;废弃物;实施规程
【英文主题词】:COLIWASA;drumsampling;liquidsampling;sampling;waste
【摘要】:Thispracticeisapplicabletosamplingliquidwastesandotherstratifiedliquids.TheCOLIWASAisusedtoobtainaverticalcolumnofliquidrepresentinganaccuratecross-sectionofthesampledmaterial.Toobtainarepresentativesampleofstratifiedliquids,theCOLIWASAshouldbeopenatbothendssothatmaterialflowsthroughitasitisslowlyloweredtothedesiredsamplingdepth.TheCOLIWASAmustnotbeloweredwiththestopperinplace.Openingthestopperafterthetubeissubmergedwillcausematerialtoflowinfromthebottomlayeronly,resultingingrossover-representationofthatlayer.Thispracticeistobeusedbypersonnelacquiringsamples.ThispracticeshouldbeusedinconjunctionwithGuideD4687whichcoverssamplingplans,safety,QA,preservation,decontamination,labelingandchain-of-custodyprocedures;PracticeD5088whichcoversdecontaminationoffieldequipmentusedatwastesites;PracticeD5283whichcoversprojectspecificationsandpracticesforenvironmentalfieldoperations,andPracticeD5743whichcoversdrumsampling..1.1Thispracticedescribestheprocedureforsamplingliquidswiththecompositeliquidwastesampler,or"COLIWASA."TheCOLIWASAisanappropriatedeviceforobtainingarepresentativesamplefromstratifiedorunstratifiedliquids.Itsmostcommonuseisforsamplingcontainerizedliquids,suchastanks,barrels,anddrums.Itmayalsobeusedforpoolsandotheropenbodiesofstagnantliquid.Note18212;AlimitationoftheCOLIWASAisthatthestoppermechanismmaynotallowcollectionofapproximatelythebottominchofmaterial,dependingonconstructionofthestopper.1.2TheCOLIWASAshouldnotbeusedtosampleflowingormovingliquids.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:13_030_20
【页数】:3P.;A4
【正文语种】:


Product Code:SAE J862
Title:Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer and Odometers
Issuing Committee:Odometer And Speedometer Standards
Scope: This report is concerned with factors which affect accuracy of distance indication and speed indication of automotive type odometer speedometers. It is the intent to supply information regarding all items which affect the instrument.