30-3-501. Ventilation regulations generally; quantity of air required; record of measurements. (a) The operator shall provide and maintain, at all times, for all persons in every working place, a good and sufficient amount of ventilation circulating an adequate quantity of fresh air sufficient to dilute and render harmless any noxious gases or powder smoke that […]
30-3-503. Booster fans prohibited; exceptions; safeguards required when used. (a) Booster fans are prohibited unless the inspector determines their installation is necessary for the safe operation and proper ventilation of the mine and gives permission in writing to install them. In mines where such fans are now being used their use may be continued but […]
30-3-509. Prevention of dust; standards established by rule. (a) Repealed by Laws 1995, ch. 31, § 2. (b) Repealed by Laws 1995, ch. 31, § 2. (c) Repealed by Laws 1995, ch. 31, § 2. (d) Repealed by Laws 1995, ch. 31, § 2. (e) Repealed by Laws 1995, ch. 31, § 2. (f) Repealed […]