[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: 30CFR57.3401]

[Page 320-321]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND NONMETAL MINES--Table of Contents
 
                        Subpart B--Ground Control
 
Sec. 57.3401  Examination of ground conditions.

    Persons experienced in examining and testing for loose ground shall 
be designated by the mine operator. Appropriate supervisors or other 
designated persons shall examine and, where applicable, test ground 
conditions in areas where work is to be performed, prior to work 
commencing, after blasting, and as ground conditions warrant during the 
work shift. Underground haulageways and travelways and surface area 
highwalls and banks adjoining travelways shall be examined weekly or 
more often if changing ground conditions warrant.

[[Page 321]]

                        Precautions--Surface Only