Respirable coal mine dust: Number of samples, geometric mean exposures, and percent exceeding designated occupational exposure limits by industry, MSHA inspector and mine operator and OSHA samples, 1995-2003
CIC - Census Industry Code PEL - permissible exposure limit REL - recommended exposure limit GM -
Note: In coal mining, for respirable dust containing less than or equal to 5% quartz, the MSHA PEL is 2 mg/m3 MRE; for respirable dust containing greater than 5% quartz, the MSHA PEL is [(10 mg/m3 MRE) / (% quartz)]. The NIOSH REL of 1 mg/m3 MRE for respirable
Source: MSHA coal mine inspector and mine operator dust data. OSHA Integrated Management Information System.
NIOSH 2008. Work-Related Lung Disease Surveillance System (eWoRLD). 2008-172 U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Respiratory Health Division, Morgantown, WV. Available at: <https://wwwn.cdc.gov/eworld/Data/172> October 24, 2017.
Reference Number: 2008-172
Date Posted: June 2008
- Page last reviewed: June 1, 2008
- Page last updated: June 1, 2008
- Content source: National Institute for Occupational Safety and Health (NIOSH)
- Page maintained by: Respiratory Health Division (RHD), Surveillance Branch