Reissue of I10-V-12, maintaining methane monitors in proper operating condition for mining equipment
Series: Procedure instruction letter -- no. I12-V-12
Publisher: U.S. Department of Labor, Mine Safety and Health Adminstration
Published: 2012
Place of publication: Arlington, Virginia]
Language: eng
Subjects: Mine gases; Measurement; Equipment and supplies; Safety measures; Methane
Other titles: Maintaining methane monitors in proper operating condition for mining equipment
Notes: Title from subject line (viewed on July 16, 2013).

"Effective Date: 04/30/2012, Expiration Date: 03/31/2014."