[Code of Federal Regulations]

[Title 30, Volume 1]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 30CFR33.22]



[Page 167]

 

                       TITLE 30--MINERAL RESOURCES

 

  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

 

PART 33_DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL 

MINES--Table of Contents

 

                  Subpart B_Dust-Collector Requirements

 

Sec.  33.22  Mode of use.



    (a) A unit or system may be designed for use in connection with 

percussion and/or rotary drilling in any combination of the following 

drilling positions: (1) Vertically upward, (2) upward at angles to the 

vertical, (3) horizontally, and (4) downward.

    (b) Dust-collector units may be designed for use with specific 

drilling equipment or at specific drilling speeds.