Title 30
Mineral Resources
5,954 sections · 206 parts · 6 chapterseCFR snapshot through 2026-08-19
Part 27
MONITORING SYSTEMS
1–29 of 29 sections
- § 27.1Purpose.
- § 27.2Definitions.
- § 27.3Consultation.
- § 27.4Application procedures and requirements.
- § 27.5Letter of certification.
- § 27.6Certification of components.
- § 27.7Certification plate or label.
- § 27.8[Reserved]
- § 27.9Date for conducting tests.
- § 27.10Conduct of investigations, tests, and demonstrations.
- § 27.11Extension of certification.
- § 27.12Withdrawal of certification.
- § 27.20Quality of material, workmanship, and design.
- § 27.21Methane-monitoring system.
- § 27.22Methane detector component.
- § 27.23Automatic warning device.
- § 27.24Power-shutoff component.
- § 27.30Inspection.
- § 27.31Testing methods.
- § 27.32Tests to determine performance of the system.
- § 27.33Test to determine explosion-proof construction.
- § 27.34Test for intrinsic safety.
- § 27.35Tests to determine life of critical components and subassemblies.
- § 27.36Test for adequacy of electrical insulation and clearances.
- § 27.37Tests to determine adequacy of safety devices for bulbs.
- § 27.38Tests to determine adequacy of windows and lenses.
- § 27.39Tests to determine resistance to vibration.
- § 27.40Test to determine resistance to dust.
- § 27.41Test to determine resistance to moisture.