【英文标准名称】:StandardTestMethodforDeterminationofAsphaltFumeParticulateMatterinWorkplaceAtmospheresasBenzeneSolubleFraction
【原文标准名称】:可作为苯可溶性粒子的工作环境中的沥青烟雾颗粒物质的测定的标准试验方法
【标准号】:ASTMD6494-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:空中监视器;取样和分析;沥青烟雾;苯可溶解性粒子;工作环境
【英文主题词】:airmonitoring;asphaltfume;benzenesolublefraction;samplingandanalysis;workplaceatmospheres
【摘要】:Asphaltisamaterialusedintheconstructionofroadsandasaroofingmaterialandsealant.Thistestmethodprovidesameansofevaluatingexposuretoasphaltfumeintheworkingenvironmentatthepresentlyrecommendedexposureguidelines.5.2.1Thethresholdlimitvalue(TLV)forasphalt(petroleum)fumesis5mg/m38-hTWA,(1998ThresholdLimitValuesandBiologicalExposureIndices,ACGIH5).ThisprocedurehasbeenadaptedfromNIOSHMethod5023(withdrawnpriorto4thedition(1994)andreplacedin1998withNIOSHMethod5042)andOSHAMethod58toreducethelevelofbackgroundcontaminationprovidingbetterreproducibility.1.1Thistestmethodcoversthedeterminationofasphaltfumeparticulatematter(asbenzenesolublefraction)andtotalparticulatematterweightinworkplaceatmospheresusingapolytetrafluoroethylene(PTFE)filtermethodology.1.2ThisprocedurehasbeenadaptedfromNIOSHMethod5023(withdrawnpriorto4thedition(1994)andreplacedin1998withNIOSHMethod5042)andOSHAMethod58toreducethelevelofbackgroundcontaminationprovidingbetterreproducibility.1.3Thisprocedureiscompatiblewithhighflowratepersonalsamplingequipment-0.5to2.0L/min.Itcanbeusedforpersonnelorareamonitoring.1.4Thesamplingmethoddevelopsatime-weightedaverage(TWA)sampleandcanbeusedtodetermineshort-termexposurelimit(STEL).1.5TheapplicableconcentrationrangefortheTWAsampleisfrom0.2to2.0mg/m3.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Formorespecificprecautionarystatements,seeSection.
【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】: