Asbestos: Geometric mean exposures by state, OSHA samples, 1979–1999 |
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PEL - permissible exposure limitREL - recommended exposure limitf/cc - fibers per cubic centimeter |
Note: The NIOSH REL is 0.1 f/cc. See appendices for source description, methods, and agents. |
Source: Occupational Safety and Health Administration (OSHA) Integrated Management Information System. |
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Page last modified: June 23, 2008
Page last reviewed: June 23, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)
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