Reissue of I10-V-05, measuring methane levels at underground coal mines using belt air to ventilate working sections.

Bibliographic Details
Corporate Author:	United States. Mine Safety and Health Administration (Author)
Format:	Government Document eBook
Language:	English
Published:	[Arlington, Virginia] : [U.S. Department of Labor, Mine Safety and Health Administration], 2012.
Series:	Procedure instruction letter ; no. I12-V-16.
Subjects:	Mine gases > United States > Measurement > Equipment and supplies > Safety measures. Methane > United States > Measurement > Equipment and supplies. Mine atmospheres > Safety regulations > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo38363

Description
Item Description:	Title from subject line (viewed on July 16, 2013). "Effective Date: 05/22/2012, Expiration Date: 03/31/2014."
Physical Description:	1 online resource (2 pages).