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 T - Safety Standards for Methane in Metal and Nonmetal Mines
  7. Subject Group - Ventilation
  8. 30 CFR § 57.22203
30 CFR § 57.22203
Main fan operation (I-C mines)
May 28, 2026
CFR

§ 57.22203 Main fan operation (I-C mines).

Main fans shall be operated continuously while ore production is in progress.

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§ 57.22202 Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines)
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§ 57.22204 Main fan operation and inspection (I-A, II-A, III, and V-A mines)

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