[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR22.2]

[Page 132]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 22--PORTABLE METHANE DETECTORS--Table of Contents
 
Sec. 22.2  Definitions.

    (a) Methane detector. A methane detector is a device that may be 
used to detect the presence of methane in a gassy mine.
    (b) Methane-indicating detector. A methane-indicating detector is a 
device that will show, within certain limits of error, on an adequate 
scale, the percentage of methane in a gassy atmosphere.
    (c) Permissible. Completely assembled and conforming in every 
respect with the design formally approved by MSHA under this part. 
(Approvals under this part are given only to equipment for use in gassy 
and dusty mines.)

[Sched. 8C, Oct. 31, 1955, as amended by Supp. 1, 20 FR 2575, Apr. 19, 
1955]

[[Page 133]]