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 § 57.22209
30 CFR § 57.22209
Auxiliary fans (I-C mines)
July 29, 2020
CFR

Electric auxiliary fans shall be approved by MSHA under the applicable requirements of 30 CFR part 18. Tests for methane shall be made at electric auxiliary fans before they are started. Such fans shall not be operated when air passing over or through them contains 0.5 percent or more methane.

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§ 57.22208 Auxiliary fans (I-A, II-A, III, and V-A mines)
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§ 57.22210 In-line filters (I-C mines)

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