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作者通过对某水泥厂劳动卫生学调查,用粉尘浓度阈限值法估算水泥粉尘的现场允许浓度、现报告如下。对象与方法对象某水泥厂连续接触水泥粉尘的工人158名。方法 1.历年现场粉尘浓度测定资料收集。 2.职业史询问及水泥尘肺病例收集。 3.粉尘浓度阈限值估算法的计算。
The author through a cement factory labor hygiene survey, the use of dust concentration threshold method to estimate the allowable concentration of cement dust site, are as follows. Object and method Object A cement plant continuous exposure to cement dust 158 workers. Method 1. Over the years the site dust concentration measurement data collection. 2. Occupational history inquiry and cement pneumoconiosis cases collected. 3. Dust concentration threshold calculation method.