Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Respirable quartz: Geometric mean exposures and percent exceeding designated occupational exposure limits by major industry division, MSHA and OSHA samples, 1979-2003

Respirable quartz: Geometric mean exposures and percent exceeding designated occupational exposure limits by major industry division, MSHA and OSHA samples, 1979-2003

SIC - Standard Industrial Classification    PEL - permissible exposure limit    REL - recommended exposure limit

Note: Before March 1, 1989 and after March 22, 1993, the OSHA PEL is [(10 mg/m3) / (% quartz + 2)], for respirable dust containing at least 1 percent quartz. From March 1, 1989 to March 22, 1993, the OSHA PEL was 0.1 mg/m3 for respirable quartz. The NIOSH REL

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

Citation:

NIOSH 2008. Work-Related Lung Disease Surveillance System (eWoRLD). 2008-305 U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Respiratory Health Division, Morgantown, WV. Available at: <https://wwwn.cdc.gov/eworld/Data/305> December 8, 2016.

Reference Number: 2008-305

Date Posted: June 2008

TOP