ASTM D6494-1999(2010) 测定作为苯可溶性分馏物的工作环境中沥青烟雾颗粒物质的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofAsphaltFumeParticulateMatterinWorkplaceAtmospheresasBenzeneSolubleFraction
【原文标准名称】:测定作为苯可溶性分馏物的工作环境中沥青烟雾颗粒物质的标准试验方法
【标准号】:ASTMD6494-1999(2010)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:airmonitoring;asphaltfume;benzenesolublefraction;samplingandanalysis;workplaceatmospheres;Asphaltfumeparticulate;Benzene--atmosphericanalysis;Benzenesolublefraction;Workplaceair/atmospheres
【摘要】:Asphaltisamaterialusedintheconstructionofroadsandasaroofingmaterialandsealant.Thistestmethodprovidesameansofevaluatingexposuretoasphaltfumeintheworkingenvironmentatthepresentlyrecommendedexposureguidelines.Thethresholdlimitvalue(TLV)forasphalt(petroleum)fumesis5mg/m38-hTWA,(1998ThresholdLimitValuesandBiologicalExposureIndices,ACGIH).ThisprocedurehasbeenadaptedfromNIOSHMethod5023(withdrawnpriorto4thedition(1994)andreplacedin1998withNIOSHMethod5042)andOSHAMethod58toreducethelevelofbackgroundcontaminationprovidingbetterreproducibility.1.1Thistestmethodcoversthedeterminationofasphaltfumeparticulatematter(asbenzenesolublefraction)andtotalparticulatematterweightinworkplaceatmospheresusingapolytetrafluoroethylene(PTFE)filtermethodology.1.2ThisprocedurehasbeenadaptedfromNIOSHMethod5023(withdrawnpriorto4thedition(1994)andreplacedin1998withNIOSHMethod5042)andOSHAMethod58toreducethelevelofbackgroundcontaminationprovidingbetterreproducibility.1.3Thisprocedureiscompatiblewithhighflowratepersonalsamplingequipmentx2013;0.5to2.0L/min.Itcanbeusedforpersonalorareamonitoring.1.4Thesamplingmethoddevelopsatime-weightedaverage(TWA)sampleandcanbeusedtodetermineshort-termexposurelimit(STEL).1.5TheapplicableconcentrationrangefortheTWAsampleisfrom0.2to2.0mg/m3.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Formorespecificprecautionarystatements,seeSection9.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:4P.;A4
【正文语种】:英语