<資料>港湾作業者の呼吸器自覚症と二酸化窒素曝露状態

概要

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An investigation into sixty port laborers' exposure to nitrogen dioxide and their respiratory symptoms was conducted at the Port Island of Kobe, Japan on a clear day of July 28,1983. The laborers' exposure to NO_2 was monitored with a Filter Badge throughout their eight working hours. The exposure value was found to decrease in the following order of the laborers' operations : 1. driving of container carrying trailers, 2. loading of containers, 3. guardsman's duty at the container entrance gate and within the yard, 4. book keeping on site, 5. checking of quantities, 6. guarding and security operations. Indoor clerical works were found to indicate the lowest exposure to NO_2. Little consistency was found between complaints related to subjective symptoms and the above order of exposure. However, groups of the kind of operations were observed that involved more than 50% of complaint on "cough" and "phlegm"; 30 to 45% of "sneezing"; and another group with a 30% complaint rate in "stridor" was also found.
近畿大学の論文
1985-06-25