[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: 30CFR58.610]

[Page 411]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 58--HEALTH STANDARDS FOR METAL AND NONMETAL MINES--Table of Contents
 
                        Subpart E--Miscellaneous
 
Sec. 58.610  Abrasive blasting.


    (a) Surface and underground mines. When an abrasive blasting 
operation is performed, all exposed miners shall use in accordance with 
30 CFR 56.5005 or 57.5005 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]