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Procedures for revoking MSHA certifications to take respirable dust samples or to maintain and calibrate approved dust sampling devices.

Bibliographic Details
Corporate Author: United States. Mine Safety and Health Administration
Format: Government Document eBook
Language:English
Published: [Arlington, Va.] : [U.S. Dept. of Labor, Mine Safety and Health Administration], [2010]
Series:Program policy letter ; no. P09-V-08.
Subjects:
Coal mines and mining > Dust control > United States.
Mines and mineral resources > United States.
Mine dusts > United States > Measurement.
Mine safety > United States.
Online Access:https://purl.fdlp.gov/GPO/gpo18876
Description
Item Description:Title from title screen (viewed on Feb. 9, 2012).
"Effective date 08/12/09."
"Expiration date 03/31/2011."
Electronic resource.
Physical Description:1 online resource (8 pages).