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Selected pneumoconiotic agents: Geometric mean exposures and percent exceeding designated occupational exposure limits, MSHA and OSHA samples, 1979-2003

Data

- indicates incalculable field.    PEL - permissible exposure limit     REL - recommended exposure limit     GM

Note: Pneumoconiotic agents with at least 300 total samples in MSHA or OSHA for the time period 1979-2003 are presented. From March 1, 1989 to March 22, 1993, the OSHA PELs in force differed from those employed before and after those dates. NIOSH has designat

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

Reference Number: 2007T05-11

Date Posted: June 2008

Archived Version

 
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