DEVELOPMENT OF UNSTEADY INDOOR CONTAMINANT CONCENTRATION DISTRIBUTIONS FOR RISK ASSESSMENT OF HIGH CONCENTRATION AND SHORT-TERM EXPOSURE (PART 2): PREDICTION OF RESPIRATORY EXPOSURE CONCENTRATION ASSUMING INDOOR LIQUID CHEMICAL LEAKAGE

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  • 高濃度短期暴露リスク評価のための非定常室内濃度分布予測手法の開発（第2報）：屋内での液体化学物質漏洩を想定した経気道暴露濃度予測

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<p>Recently, health risk assessment of chemical substances has become a legal requirement, and accordingly, estimation of indoor gas concentrations and their impact on workers has taken on increasing importance. Therefore, we have developed a numerical model based on CFD (Computational Fluid Dynamics) methods to predict transient and non-uniform concentration distributions for chemical substances in enclosed spaces. This paper (Part 2) reports on the heterogeneous concentration distributions of ethanol and aqueous ammonia solutions formed in a full-scale environment, the microclimate around the human body, and the risk assessment of trans-airway exposure.</p>

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