B. Every person assigned to or performing duties on the surface of an underground mine, or any person entering the underground portion of the mine, shall wear reflective materials adequate to be visible from all sides. The reflective material shall be placed on hard hats and at least one other item of outer clothing such as belts, suspenders, jackets, coats, coveralls, shirts, pants, or vests.
H. Miners exposed for short periods to hazards from inhalation of gas, dust, fumes, and mist shall wear approved respiratory equipment. When the exposure is for prolonged periods, adequate approved measures to protect miners or to reduce the hazard shall be taken.
Code 1950, § 45-86; 1954, c. 191; 1966, c. 594, § 45.1-99; 1994, c. 28; 2005, c. 3; 2011, cc. 826, 862.