Tests for methane at the working face, using extendable probes or other acceptable means.

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], 2013.
Series:Program policy letter ; no. P13-V-06.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo84320
http://purl.fdlp.gov/GPO/gpo84320
Description
Item Description:"Effective date: 06/20/2013."
"Reissue of P-11-V-8."
Physical Description:1 online resource (3 pages).