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| Keywords: NIOSH-2011-18+.jpg ru Рисунок 18 из обзо а п офзаболеваний шахтё ов http //www cdc gov/niosh/docs/2011-172/pdfs/2011-172 pdf Coal Mine Dust Exposures and Associated Health Outcomes С едняя концент ация пыли еспи абельного ква ца изме енная инспекто ами MSHA в пе иод с 1979 по 2008г в местах добычи отк ытым и подземным способом Видно небольшое снижение концент ации особенно п и добыче отк ытым способом Источник MSHA coal mine inspector and mine operator dust data en Figure 18 Respirable quartz dust Geometric mean exposures by type of coal mine operator and inspector data combined MSHA coal mine inspector and mine operator dust data 2015-04-21 http //www cdc gov/niosh/docs/2011-172/pdfs/2011-172 pdf Coal Mine Dust Exposures and Associated Health Outcomes A Review of Information Published Since 1995 Michael Attfield et al NIOSH USA other versions PD-USGov National Institute for Occupational Safety and Health Mining Workplace safety Workplace safety of Russia Occupational diseases Miners Uploaded with UploadWizard | ||||
