[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: 30CFR90.207]

[Page 658]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 90--MANDATORY HEALTH STANDARDS--COAL MINERS WHO HAVE EVIDENCE OF THE DEVELOPMENT OF PNEUMOCONIOSIS--Table of Contents
 
                     Subpart C--Sampling Procedures
 
Sec. 90.207  Compliance sampling.

    (a) The operator shall take five valid respirable dust samples for 
each part 90 miner within 15 calendar days after:
    (1) The 20-day period specified for each part 90 miner in 
Sec. 90.100 (Respirable dust standard);
    (2) Receipt of notification from MSHA that any respirable dust 
sample taken in accordance with Sec. 90.208 (Bimonthly sampling) exceeds 
1.0 milligram per cubic meter of air or the respirable dust standard 
established by Sec. 90.101 (Respirable dust standard when quartz is 
present); and
    (3) Implementing any transfer after the twentieth calendar day 
following receipt of notification from MSHA that a part 90 miner is 
employed at the mine.