[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: 30CFR72.610]

[Page 442]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 72--HEALTH STANDARDS FOR COAL MINES--Table of Contents
 
                        Subpart E--Miscellaneous
 
Sec. 72.610  Abrasive blasting.


    (a) Surface and underground mines. When an abrasive blasting 
operation is performed, all exposed miners shall properly use 
respirators approved for abrasive blasting by NIOSH under 42 CFR part 
84, or the operation shall be performed in a totally enclosed device 
with the miner outside the device.
    (b) Underground areas of underground mines. Silica sand or other 
materials containing more than 1 percent free silica shall not be used 
as an abrasive substance in abrasive blasting.

[59 FR 8327, Feb. 18, 1994, as amended at 60 FR 30401, June 8, 1995]