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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 7Subpart E - Subpart E—Diesel Engines Intended for Use in Underground Coal Mines
  • § 7.81 - Purpose and effective date.
  • § 7.82 - Definitions.
  • § 7.83 - Application requirements.
  • § 7.84 - Technical requirements.
  • § 7.85 - Critical characteristics.
  • § 7.86 - Test equipment and specifications.
  • § 7.87 - Test to determine the maximum fuel-air ratio.
  • § 7.88 - Test to determine the gaseous ventilation rate.
  • § 7.89 - Test to determine the particulate index.
  • § 7.90 - Approval marking.
  • § 7.91 - Post-approval product audit.
  • § 7.92 - New technology.
authority: 30 U.S.C. 957.
source: 53 FR 23500, June 22, 1988, unless otherwise noted.
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