【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 AMS3412
Title:Flux, Aluminum Brazing for Torch Or Furnance Brazing
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers an aluminum brazing flux in the form of powder.