Mine Safety and Health Administration (MSHA) - Code of Federal Regulations - 30 CFR 7.24
skip navigational linksDepartment of Labor Seal U.S. Department of Labor
Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978		 Photos representing the mining workforce
www.msha.gov
[skip navigational links] Search MSHA Advanced Options | A to Z | Help
Find It! in DOL | Compliance Assistance |   
 
MSHA - Title 30 CFR
30 CFR § 7.24

Technical requirements.

(a) Brattice cloth shall be flame resistant when tested in accordance with the flame resistance test in §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 §7.28.




Back to Top   Back to Top www.msha.gov www.dol.gov
Mine Safety and Health Administration (MSHA)
1100 Wilson Boulevard, 21st Floor
Arlington, VA 22209-3939		 Phone:    (202) 693-9400
Fax-on-demand: (202) 693-9401
Technical (web) questions: Webmaster
On-line Filing Help: MSHAhelpdesk@dol.gov
or call (877) 778-6055
Contact Us