[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: 30CFR70.220]

[Page 426]
 
                       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. 70.220  Status change reports.

    (a) If there is a change in operational status that affects the 
respirable dust sampling requirements of this part, the operator shall 
report the change in operational status of the mine, mechanized mining 
unit, or designated area to the MSHA District Office or to any other 
MSHA office designated by the District Manager. Status changes shall be 
reported in writing within 3 working days after the status change has 
occurred.
    (b) Each specific operational status is defined as follows: (1) 
Underground mine: (i) Producing--has at least one mechanized mining unit 
producing material.
    (ii) Nonproducing--no material is being produced.
    (iii) Abandoned--the work of all miners has been terminated and 
production activity has ceased.
    (2) Mechanized mining unit:
    (i) Producing--producing material from a working section.
    (ii) Nonproducing--temporarily ceased production of material.
    (iii) Abandoned--permanently ceased production of material.
    (3) Designated Area:
    (i) Producing--activity is occurring.
    (ii) Nonproducing--activity has ceased.
    (iii) Abandoned--the dust generating source has been withdrawn and 
activity has ceased.