Pneumoconiotic agents: Percent of exposures exceeding the NIOSH recommended exposure limits by state, OSHA samples, 1979-2003
REL - recommended exposure limitPEL - permissible exposure limitOSHA - Occupational Safety and Health Administration
Note: From March 1, 1989 to March 22, 1993, many OSHA PELs in force differed from those employed before and after those dates. See appendices for source description, methods, and agents.
Source: : OSHA Integrated Management Information System.
Reference Number: 2007F06-07
Date Posted: June 2008
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