Subjgrp 147. Prohibitions/Precautions/Housekeeping
- § 57.4100 - Smoking and use of open flames.
- § 57.4101 - Warning signs.
- § 57.4102 - Spillage and leakage.
- § 57.4103 - Fueling internal combustion engines.
- § 57.4104 - Combustible waste.
- § 57.4130 - Surface electric substations and liquid storage facilities.
- § 57.4131 - Surface fan installations and mine openings.
- § 57.4160 - Underground electric substations and liquid storage facilities.
- § 57.4161 - Use of fire underground.