File:NIOSH-2011-13+.jpg
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Русский: Рисунок 13 из обзора профзаболеваний шахтёров Coal Mine Dust Exposures and Associated Health Outcomes. Отношения концентраций респирабельной пыли, измеренной инспекторами к измеренной работодателем, для шахт с разным числом рабочих. Видно, что на маленьких шахтах (от 1 до 34 шахтёра) это отношение выше чем 1.4, а на больших шахтах (при числе шахтёров > 75) отношение ~ 1.0. Источник (40). English: Figure 13. Ratio of special inspection sample values to preceding operator compliance sample values by mine size. (Source: MSHA Report of the Statistical Task Team of the Coal Mine Respirable Dust Task Group. (40)). |
| Date | |
| Source | Coal Mine Dust Exposures and Associated Health Outcomes. A Review of Information Published Since 1995 |
| Author | Michael Attfield et al (NIOSH, USA) |
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This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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