Asbestos: Geometric mean exposures and percent exceeding designated occupational exposure limits by major industry division, MSHA and OSHA samples, 1979-2003
SIC - Standard Industrial Classification PEL - permissible exposure limit REL - recommended exposure limit
Note: The NIOSH REL is 0.1 f/cc. See appendices for source description, methods, and agents.
Source: MSHA metal/nonmetal mine data. OSHA Integrated Management Information System.
Reference Number: 2008-159
Date Posted: June 2008