Pneumoconiotic agents: Number of samples and percent of exposures exceeding designated occupational exposure limits by industries with elevated pneumoconiosis mortality, MSHA inspector and mine operator and OSHA samples, 1990–1999 |
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CIC - Census Industry CodePEL - perissible exposure limitREL - recommended exposure limitPMR - proportionate mortality ratio
*This number is based solely on the NIOSH REL for respirable coal mine dust of 1.0 mg/m3 which was adopted in September 1995. The MSHA respirable coal mine quartz exposure data and the NIOSH REL for respirable quartz cannot be compared to each other because they are based on different sampling criteria. |
Note: See appendices for source description, methods, ICD codes, industry codes, agents, and list of selected states (and years) for which usual industry has been reported. |
Source: Mine Safety and Health Administration (MSHA) coal mine inspector and mine operator dust and quartz data and metal/nonmetal data. Occupational Safety and Health Administration (OSHA) Integrated Management Information System. National Center for Health Statistics multiple cause-of-death data. |
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Page last modified: June 23, 2008
Page last reviewed: June 23, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)
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