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Respirable quartz: Number of samples, geometric mean exposures, and percent exceeding designated occupational exposure limits by industry, MSHA inspector and mine operator and OSHA samples, 1993-2003

Respirable quartz: Number of samples, geometric mean exposures, and percent exceeding designated occupational exposure limits by industry, MSHA inspector and mine operator and OSHA samples, 1993-2003

CIC - Census Industry Code    PEL - permissible exposure limit    REL - recommended exposure limit     GM - ge

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. For coal minin

Source:

MSHA metal/nonmetal and coal mine inspector and mine operator quartz data. OSHA Integrated Management Information System.

Citation:

NIOSH 2008. Work-Related Lung Disease Surveillance System (eWoRLD). 2008-201 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/201> December 4, 2016.

Reference Number: 2008-201

Date Posted: June 2008

Archived Version

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