Colorado Revised Statutes Title 34. Mineral Resources § 34-22-109. Examinations--content

(1) Applicants shall pass such reasonable and practical examinations as may be prescribed by the board for certification. Examinations shall be designed to demonstrate whether the applicant possesses sufficient practical and theoretical knowledge for competent performance of the position for which certification is sought and whether the applicant has knowledge of the state and federal mine health and safety laws.

(2) An applicant for certification as a mine foreman or fire boss in underground coal mines shall be sufficiently knowledgeable as to coal mining, mechanical equipment, the different systems of working and ventilating coal mines, the nature and properties of noxious, explosive, poisonous gases of mines, and the nature and properties of coal dust.

(3) To qualify for certification, an applicant for certification as a shot-firer must be sufficiently knowledgeable as to explosives, breaking agents, and blasting accessories used in coal mines, the proper placement of drill holes made for the purpose of breaking or dislodging coal and rock, the digital gas detector and its use in detecting inflammables and noxious gases, and the proper ventilation in the working places of coal mines.