Re-issue of P07-20
Subtitle: change to respirable dust data card-addition of pre-weight date
Series: Program information bulletin -- no. P11-23; Program information bulletin -- no. P 11-23.
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration
Published: 2011
Place of publication: Arlington, Va
Language: eng
Format: [electronic resource] :
Subjects: Mine safety; Mine dusts; Coal mines and mining; Dust control
Other titles: Change to respirable dust data card-addition of pre-weight date
Notes: Title from title screen (viewed on August 1, 2011).

"Issue date 4/06/2011."