Cover Image

Sampling sealed areas with inert gas injection.

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. P10-V-4.
Subjects:
Mine safety > United States.
Mine gases > United States.
Mine ventilation > United States.
Online Access:https://purl.fdlp.gov/GPO/gpo18790
Description
Item Description:Title from title screen (viewed on Feb. 9, 2012).
"Effective date 07/22/2010."
"Expiration date 03/31/2012."
Electronic resource.
Physical Description:1 online resource (4 pages).