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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

Archived Version