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Silicosis: Respirable Quartz Exposures

Respirable quartz: Geometric mean metal/nonmetal mining exposures by state, MSHA samples, 1979-2003
Figure showing Respirable quartz: Geometric mean metal/nonmetal mining exposures by state, MSHA samples, 1979-2003

mg/m3 - milligrams per cubic meterMSHA - Mine Safety and Health Administration

Note:  See appendices for source description, methods, and agents.

Source:  MSHA metal/nonmetal mine data.

Reference Number: 2007F03-08

Date Posted: June 2008

Archived Versions:
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