【英文标准名称】:StandardTestMethodforDeterminationofEthyleneOxideinWorkplaceAtmospheres(HBrDerivatizationMethod)
【原文标准名称】:工作场所空气中环氧乙烷测定的标准试验方法
【标准号】:ASTMD5578-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D22.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:气相色谱法;工作地点;空气质量;空中监视器;取样;乙烯;试验;大气;工作场所
【英文主题词】:airmonitoring;2-bromoethanol;carbonmolecularsieve;ethyleneoxide;gaschromatography;HBrderivatization;samplingandanalysis;workplaceatmospheres
【摘要】:Ethyleneoxideisamajorindustrialchemicalwithproductionvolumerankedinthetop25chemicalsproducedintheUnitedStates.Itisusedinthemanufactureofagreatvarietyofproductsaswellasbeingasterilizingagentandfumigant.ThistestmethodprovidesameansofdeterminingexposurelevelsofETOintheworkingenvironmentatthepresentlyrecommendedexposureguidelines.5.2.1OSHAPermissibleExposureLimit(PEL)1ppm,15-minexcursionlimit5ppm(CFR,Part1910,SubpartZ,Section1910.1047).35.2.2ACGIHThresholdLimitValue(TLV)1ppm(1.8mg/m3),suspectedhumancarcinogen.41.1Thistestmethodcoversamethodofcollectingandanalyzingsamplestodeterminetheamountofethyleneoxide(ETO)presentinworkplaceatmospheres.1.2Thistestmethodcanbeusedtoprovideatime-weightedaverage(TWA)overtheconcentrationrangefrom0.2to4ppm(v).1.3Thistestmethodcanbeusedtodetermine15-minexcursions(STEL)rangingfrom1to25ppm(v).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9forspecificsafetyhazards.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Printedboards-Part1:Genericspecification
【原文标准名称】:印制电路板.第1部分:总规范
【标准号】:IEC62326-1-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:能力鉴定;指导手册;规范(验收);认可;认可;电子设备及元件;检验;标准;结构;印制电路;质量保证;总规范;电气工程;规范;规范;组件;质量;详细规范;电子工程;印制电路板;规则;微电子学
【英文主题词】:Approval;Capabilityapproval;Components;Detailspecification;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Genericspecification;Guidebooks;Inspection;Legalization;Microelectronics;Printedcircuits;Printed-circuitboards;Quality;Qualityassurance;Rules;Specification;Specification(approval);Specifications;Standards;Structuring
【摘要】:ThispartofIEC62326definescapabilityapproval(CA)proceduresforprintedboards.WhenIECQrecognitionisrequired,thecapabilityapprovalproceduresofIEC001002shouldbeused.Inaddition,atechnologyapproval(TA)schedulemayalsobeprovidedasanalternativeformanufacturersemployingasystemofprocesscontrolforestablishingproductconformity.BothCAandTAproceduresapplytoprintedboardsirrespectiveoftheirmethodsofmanufacture,whentheyarereadyforthemountingofcomponents.Theinformationandrequirementsmayalsobeusedforsecond-partyapprovalsorforself-declarationbyamanu-facturerofproductscoveredbythesespecifications.
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:103P.;A4
【正文语种】:英语