[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: 30CFR70.201]

[Page 422]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 70--MANDATORY HEALTH STANDARDS--UNDERGROUND COAL MINES--Table of Contents
 
                     Subpart C--Sampling Procedures
 
Sec. 70.201  Sampling; general requirements.

    Authority: 30 U.S.C. 811, 813(h), and 957.

    Source: 58 FR 63528, Dec. 2, 1993, unless otherwise noted.


    (a) Each operator shall take respirable dust samples of the 
concentration of respirable dust in the active workings of the mine as 
required by this part with a sampling device approved by the Secretary 
and the Secretary of Health and Human Services under part 74 (Coal Mine 
Dust Personal Sampler Units) of this title.
    (b) Sampling devices shall be worn or carried directly to and from 
the mechanized mining unit or designated area to be sampled and shall be 
operated portal to portal. Sampling devices shall remain operational 
during the entire shift or for 8 hours, whichever time is less.
    (c) Upon request from the District Manager, the operator shall 
submit the date on which collecting any respirable dust samples required 
by this part will begin.
    (d) During the time for abatement fixed in a citation for violation 
of Sec. 70.100 (Respirable dust standards) or Sec. 70.101 (Respirable 
dust standard when quartz is present), the operator shall take 
corrective action to lower the concentration of respirable dust to 
within the permissible concentration and then sample each production 
shift until five valid respirable dust samples are taken.

[45 FR 24000, Apr. 8, 1980, as amended at 47 FR 28095, June 29, 1982]