[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: 30CFR74.4]

[Page 445]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 74--COAL MINE DUST PERSONAL SAMPLER UNITS--Table of Contents
 
Sec. 74.4  Tests of coal mine dust personal sampler units.

    (a) The National Institute for Occupational Safety and Health, 
Department of Health and Human Services, shall conduct tests to 
determine whether a coal mine dust personal sampler unit which is 
submitted for approval under these regulations meets the requirements 
set forth in Sec. 74.3.
    (b) The Mine Safety and Health Administration, Department of Labor 
(MSHA) will conduct tests, pursuant to Sec. 18.68 of this chapter, to 
determine whether the pump unit of a coal mine dust personal sampler 
unit submitted for approval under these regulations is intrinsically 
safe.

[35 FR 4326, Mar. 11, 1970, as amended at 37 FR 26712, Dec. 15, 1972; 43 
FR 12319, Mar. 24, 1978; 47 FR 28095, June 29, 1982]