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Regulations last checked for updates: May 23, 2025

Title 30 - Mineral Resources last revised: Apr 14, 2025
All TitlesTitle 30Chapter IPart 27Subpart B - Subpart B—Construction and Design Requirements
  • § 27.20 - Quality of material, workmanship, and design.
  • § 27.21 - Methane-monitoring system.
  • § 27.22 - Methane detector component.
  • § 27.23 - Automatic warning device.
  • § 27.24 - Power-shutoff component.
authority: 30 U.S.C. 957,961
source: 31 FR 10607, Aug. 9, 1966, unless otherwise noted.
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