Pneumoconiotic agents: Percent of exposures exceeding designated occupational exposure limits by type of mining, MSHA inspector and mine operator samples, 1979–2003 |
 |
|
- indicates incalculable field.SIC - Standard Industrial ClassificationPEL - permissible exposure limitREL - recommended exposure limit
MSHA - Mine Safety and Health Administration |
Note: The NIOSH REL for respirable coal mine dust of 1.0 mg/m3 was adopted in September 1995. The MSHA coal mine quartz exposure data cannot be compared to the NIOSH REL because they are based on different sampling criteria. See appendices for source description, methods, and agents. |
Source: MSHA metal/nonmetal mine data and coal mine inspector and mine operator dust and quartz data. |
Downloads:
Archived Versions:
|
Page last modified: June 23, 2008
Page last reviewed: June 23, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)
|
