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Asbestos: Number of samples, geometric mean exposures, and percent exceeding designated occupational exposure limits by industry, MSHA and OSHA samples, 1995-2003


CIC - Census Industry Code    PEL - permissible exposure limit    REL - recommended exposure limit     GM - ge

Note: The MSHA PEL is 2 f/cc. The OSHA PEL is 2 f/cc before July 21, 1986, 0.2 f/cc from July 21, 1986 to October 10, 1994, and 0.1 f/cc after October 10, 1994. The NIOSH REL is 0.1 f/cc. See appendices for source description and methods.

Source: MSHA metal/nonmetal mine data. OSHA Integrated Management Information System.

Reference Number: 2008-160

Date Posted: June 2008

Archived Version