ISO 13344-2004 火焰中致命毒性的评估

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【英文标准名称】:Estimationofthelethaltoxicpotencyoffireeffluents
【原文标准名称】:火焰中致命毒性的评估
【标准号】:ISO13344-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC92
【标准类型】:()
【标准水平】:()
【中文主题词】:燃烧试验;测定;火灾;生物测定;定义;毒性;气体;燃烧气体;有毒气体
【英文主题词】:Bioassay;Definition;Definitions;Determination;Fire;Firegas;Firetests;Gases;Toxicgases;Toxicity
【摘要】:ThisInternationalStandardprovidesameansforestimatingthelethaltoxicpotencyofthefireeffluentsproducedfromamaterialwhileexposedtothespecificcombustionconditionsofaphysicalfiremodel.Thelethaltoxicpotencyvaluesarespecificallyrelatedtothefiremodelselected,theexposurescenarioandthematerialevaluated.Lethaltoxicpotencyvaluesassociatedwith30-minexposuresofratsarepredictedusingcalculationswhichemploycombustionatmosphereanalyticaldataforcarbonmonoxide(CO),carbondioxide(CO2),oxygen(O2)(vitiation)and,ifpresent,hydrogencyanide(HCN),hydrogenchloride(HCI),hydrogenbromide(HBr),hydrogenfluoride(HF),sulfurdioxide(SO2),nitrogendioxide(NO2),acroleinandformaldehyde.Ifthefireeffluenttoxicpotencycannotbeattributedtothetoxicantsanalysed,thisisanindicationthatothertoxicantsorfactorsmustbeconsidered.ThisInternationalStandardisapplicabletotheestimationofthelethaltoxicpotencyoffireeffluentatmospheresproducedfrommaterials,productsorassembliesundercontrolledlaboratoryconditionsandshouldnotbeusedinisolationtodescribeorappraisethetoxichazardorriskofmaterials,productsorassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafirehazardassessmentthattakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse;seeISO/TS19706.Theintendeduseoffiresafety-engineeringcalculationsisforlife-safetypredictionforpeopleandismostfrequentlyfortimeintervalssomewhatshorterthan30min.ThisextrapolationacrossspeciesandexposureintervalsisoutsidethescopeofthisInternationalStandard.ThisInternationalStandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.ItistheresponsibilityoftheuserofthisInternationalStandardtoestablishappropriatesafetyandhealthpractices.
【中国标准分类号】:C80
【国际标准分类号】:13_220_99
【页数】:14P;A4
【正文语种】:英语