1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  4. Subchapter K - METAL AND NONMETAL MINE SAFETY AND HEALTH
  5. Part 57 - SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
  6. Subpart G - Ventilation
  7. Topic - Underground Only
  8. 30 CFR § 57.8532
30 CFR § 57.8532
Opening and closing ventilation doors
July 29, 2020
CFR

When ventilation control doors are opened as a part of the normal mining cycle, they shall be closed as soon as possible to re-establish normal ventilation to working places.

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§ 57.8531 Construction and maintenance of ventilation doors
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§ 57.8534 Shutdown or failure of auxiliary fans

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