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煤炭开采业的尘肺病例数占我国尘肺病人的一半以上,做好建设项目职业病危害评价工作,提高评价报告书质量,从源头预防、控制和消除职业病危害,保护劳动者健康,具有十分重要的意义。1对象与方法1.1研究对象结合各省原煤产量,选择经常开展煤炭开采业建设项目职业病危害评价工作的具有甲级职业卫生技术服务资质的4家机构,对选取的4个机构中的相关评价报告进行整群调查。
The number of pneumoconiosis cases in the coal mining industry accounts for more than half of pneumoconiosis patients in our country, and it is of great significance to do a good job in occupational disease hazard assessment of construction projects, improve the quality of evaluation reports, prevent, control and eliminate occupational hazards from the source, and protect the health of laborers . 1 Subjects and Methods 1.1 Subjects According to the output of raw coal in each province, four institutions with Class A occupational health and technical service qualification that frequently carry out occupational disease hazard assessment of the construction projects of coal mining industry were selected, and the relevant evaluation reports of the four institutions selected were conducted Cluster investigation.