[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: 30CFR7.24]

[Page 17]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents
 
            Subpart B--Brattice Cloth and Ventilation Tubing
 
Sec. 7.24  Technical requirements.

    (a) Brattice cloth shall be flame resistant when tested in 
accordance with the flame resistance test in Sec. 7.27.
    (b) Flexible ventilation tubing shall be manufactured using an MSHA-
approved brattice cloth. If a supporting structure is used, it shall be 
metal or other noncombustible material which will not ignite, burn, 
support combustion or release flammable vapors when subjected to fire or 
heat.
    (c) Rigid ventilation tubing shall be flame resistant when tested in 
accordance with the flame resistance test in Sec. 7.28.