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Work-Related Lung Disease Surveillance System (eWoRLD)

Asbestosis: Asbestos Exposure (Archive)

Asbestos: Geometric mean exposures and percent exceeding designated occupational exposure limits by MSHA metal/nonmetal district and state, MSHA samples, 1979-1999
Table showing Asbestos:  Geometric mean exposures and percent exceeding designated occupational exposure limits by MSHA metal/nonmetal district and state, MSHA samples, 1979-1999

- indicates incalculable field
PEL - permissible exposure limitREL - recommended exposure limitGM - geometric mean

Note:  The MSHA PEL is 2 f/cc. The NIOSH REL is 0.1 f/cc. See appendices for source description, methods, and agents.

Source:  Mine Safety and Health Administration (MSHA) metal/nonmetal mine data.

Reference Number: 2002T01-14

Date Posted: May 2003

Most Recent Version:
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