Part 27 - Methane-Monitoring Systems  


Subpart A - General Provisions
§ 27.1 - Purpose.
§ 27.2 - Definitions.
§ 27.3 - Consultation.
§ 27.4 - Application procedures and requirements.
§ 27.5 - Letter of certification.
§ 27.6 - Certification of components.
§ 27.7 - Certification plate or label.
§ 27.8 - [Reserved]
§ 27.9 - Date for conducting tests.
§ 27.10 - Conduct of investigations, tests, and demonstrations.
§ 27.11 - Extension of certification.
§ 27.12 - Withdrawal of certification.
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.
Subpart C - Test Requirements
§ 27.30 - Inspection.
§ 27.31 - Testing methods.
§ 27.32 - Tests to determine performance of the system.
§ 27.33 - Test to determine explosion-proof construction.
§ 27.34 - Test for intrinsic safety.
§ 27.35 - Tests to determine life of critical components and subassemblies.
§ 27.36 - Test for adequacy of electrical insulation and clearances.
§ 27.37 - Tests to determine adequacy of safety devices for bulbs.
§ 27.38 - Tests to determine adequacy of windows and lenses.
§ 27.39 - Tests to determine resistance to vibration.
§ 27.40 - Test to determine resistance to dust.
§ 27.41 - Test to determine resistance to moisture.