Work-Related Lung Disease Surveillance System (eWoRLD)
Pneumoconiotic agents: Percent of exposures exceeding the NIOSH recommended exposure limits by state, OSHA samples, 1979-1999
PEL - permissible exposure limitREL - recommended exposure limit
Note: From March 1, 1989 to March 22, 1993, the OSHA PELs in force differed from those employed before and after those dates. See appendices for source description, methods, and agents.
Source: Occupational Safety and Health Administration (OSHA) Integrated Management Information System.
Reference Number: 2002F06-07
Date Posted: May 2003
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