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Estimation of dust ingestion rates in units of surface area per day using a mechanistic hand-to-mouth model

机译：使用机械手到嘴模型估算每天以表面积为单位的粉尘摄入率

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In order to provide dust ingestion rates that can aid the interpretation of indoor dust measurements as surface loadings (i.e., units of mu g/m(2)), dust ingestion rates have been developed for various age groups on a surface area basis. The approach incorporates a hand-to-mouth mechanistic model that was previously developed to estimate dust ingestion rates in units of mg/day. The analysis resulted in estimated mean dust intakes that range from 0.0032m(2)/d (for teenagers) to 0.061m(2)/d (for toddlers) at residential settings assumed to be comprised of 50% hard surfaces and 50% soft surfaces. Intake rates assuming 100% hard surfaces and 100% soft surfaces are also presented. The values provided are intended to assist the interpretation of indoor dust investigations where substance content in dust is presented as surface loadings rather than bulk dust concentrations.
机译：为了提供粉尘摄入率，以有助于将室内粉尘测量值解释为表面负荷（即μg / m（2）的单位），已针对表面积的不同年龄段开发了粉尘摄入率。该方法结合了以前开发的手到嘴机械模型，以毫克/天为单位估算粉尘摄入率。分析得出的假定居住环境中的平均灰尘摄入量范围为0.0032m（2）/ d（青少年）至0.061m（2）/ d（青少年），假定为50％的硬表面和50％的软表面表面。还给出了假设硬质表面为100％和软质表面为100％的吸水率。所提供的值旨在帮助解释室内粉尘调查，其中粉尘中的物质含量以表面负荷而非散装粉尘浓度的形式表示。

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