<報文>幹線道路周辺の硫酸ミスト分布状態

概要

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Many researchers, especially in the industrial health field, have paid their attentions to the acid mists or aerosols for long time. But still their dynamics in the ambient air have not yet been fully understood. Therefore, the authors tried to measure the distribution of sulfuric acid mists around the two main streets, one of which is the Route 1 in Yokohama and the other is the Tomei expressway in Susono. The results are as follows, 1) The significant high levels of acid droplets or dropping SOˉˉ₄ were observed on both the streets in Yokohama and Susono. 2) The concentrations of SOˉˉ₄ in the air were about 0.1mg/㎥ on the streets and 0.07mg/㎥ on the field in Susono. These data show that the acid ingredients observed seem to be mainly derived from automobiles. Therefore, it is desirable that acid mists pollutions from mobile resouces should be more investigated by many workers.
横浜国立大学の論文