1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  4. Subchapter O - COAL MINE SAFETY AND HEALTH
  5. Part 77 - MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
  6. Subpart C - Surface Installations
  7. 30 CFR § 77.201-2
30 CFR § 77.201-2
Methane accumulations; change in ventilation
July 29, 2020
CFR

If, at any time, the air in any structure, enclosure or other facility contains 1.0 volume per centum or more of methane changes or adjustments in the ventilation of such installation shall be made at once so that the air shall contain less than 1.0 volume per centum of methane.

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§ 77.201-1 Tests for methane; qualified person; use of approved device
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§ 77.202 Dust accumulations in surface installations

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