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Derivation of indoor air guidance values for volatile organic compounds (VOC) emitted from polyurethane flexible foam: VOC with repeated dose toxicity data

机译:聚氨酯软泡沫排放的挥发性有机化合物(VOC)的室内空气指导值的推导:具有重复剂量毒性数据的VOC

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摘要

Polyurethane Flexible Foams (PUF) are versatile materials used in upholstered furniture and bed mattresses. Due to the production procedure, fresh foams emit volatile organic compounds (VOC). Chamber tests issued by the European association of flexible polyurethane foam blocks manufacturers (EUROPUR) revealed certain levels of VOCs, and the emission rates are declining over time. To assess the risk associated to these VOCs which, as a consequence, might be detectable in indoor air where these PUF are used. To evaluate the risk for consumers, their concentration can be matched against existing benchmarks for indoor air. These benchmarks are, for example, guidance values derived by the Advisory Group for Indoor Air Guidance Values of the German UBA (RW-values), Lowest Concentrations of Interest (LCI) for building products, or against derived no effect levels (DNELs) for consumers, defined in registration dossiers under the European Regulation No. 1907/2006. In this paper, indoor air guidance values are derived for some VOCs which do have neither RW- nor LCI-values, and no DNELs for consumers. Substances covered are trimethylsilanol, fluorotrimethylsilane, chloropropanol, propanal, triethylenediamine and 2,2,3,3-tetramethyl succinodinitrile.
机译:聚氨酯柔性泡沫(PUF)是用于软垫家具和床褥的多功能材料。由于生产程序的原因,新鲜泡沫会散发出挥发性有机化合物(VOC)。欧洲软质聚氨酯泡沫块制造商协会(EUROPUR)发布的试验室测试显示一定水平的VOC,排放量随着时间的推移而下降。评估与这些VOC相关的风险,因此,在使用这些PUF的室内空气中可能会检测到这些风险。为了评估消费者的风险,可以将他们的浓度与现有室内空气基准进行匹配。这些基准是,例如,德国UBA的室内空气指导值咨询小组得出的指导值(RW值),建筑产品的最低感兴趣浓度(LCI),或者针对无影响水平得出的指导值(DNEL)。消费者,根据欧洲法规1907/2006的注册文件定义。在本文中,室内空气指导值是针对一些既没有RW值也没有LCI值且没有DNEL的VOC推算出来的。所涵盖的物质是三甲基硅烷醇,氟代三甲基硅烷,氯丙醇,丙醛,三亚乙基二胺和2,2,3,3-四甲基丁二腈。

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