Operator respirable dust sampling requirements
Series: Program information bulletin -- no. P09-31; Program information bulletin -- no. P09-31.
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration
Published: 2009
Place of publication: Arlington, Va
Language: eng
Format: [electronic resource]
Subjects: Mine safety; Coal mines and mining; Mine dusts; Standards
Notes: Title from caption, PDF title screen (viewed on Sept. 30, 2011).

"Issue date 08/25/09."