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. Topic - Ventilation
  8. 30 CFR § 57.22204
30 CFR § 57.22204
Main fan operation and inspection (I-A, II-A, III, and V-A mines)
July 29, 2020
CFR

Main fans shall be—

(a) Provided with a pressure-recording system; and

(b) Inspected daily while operating if persons are underground. Certification of inspections shall be made by signature and date. Certifications and pressure recordings shall be retained for at least one year and made available to an authorized representative of the Secretary.

[52 FR 24941, July 1, 1987, as amended at 52 FR 41397, Oct. 27, 1987; 60 FR 33722, June 29, 1995]

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§ 57.22203 Main fan operation (I-C mines)
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§ 57.22205 Doors on main fans (I-A, II-A, III, and V-A mines)

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