ASTM D3639-1992(2006)e1 用魁北克试验对石棉分类的标准试验方法

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【英文标准名称】:StandardTestMethodforClassificationofAsbestosbyQuebecStandardTest
【原文标准名称】:用魁北克试验对石棉分类的标准试验方法
【标准号】:ASTMD3639-1992(2006)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【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】:C17.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:amphibole;asbestos;Canadian;chrysotile;classification;drytest;evaluation;fiber;Q.S.;Quebecstandardscreeningtest;Asbestosfiber;Canadianchrysotileclassification;Chrysotileasbestosfiber;Classification(standards)--asbestos;Qu&
【摘要】:TheQuebecStandardTestingMachineclassifiesmilledchrysotileasbestosgradesaccordingtothemassfractionsretainedoneachscreen.Specimensthatarenotproperlyconditionedpriortotestingorthathaveexcessivemoisturecontent(above3%inaccordancewithMethodD2987),orboth,maygiveerraticandfalseresults.Someamphiboleasbestosfibersmaybeclassifiedbythistestmethodbutastandardclassificationforthesehasnotbeenestablished.1.1Thistestmethodcoversaprocedurefordryclassificationofchrysotileasbestosfiberbylengthdistribution.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheequivalentSIunitsmaybeapproximate.1.3Warning8212;Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,refertox201C;SafeUseofChrysotileAsbestos:AManualonPreventiveandControlMeasures.x201D;1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See1.3foraspecifichazardwarning.
【中国标准分类号】:D53
【国际标准分类号】:91_100_40
【页数】:3P.;A4
【正文语种】:英语