Ohio Revised Code Title XV. Conservation of Natural Resources § 1561.28

The chief of the division of mineral resources management shall designate one of the chemists, provided for in section 1561.27 of the Revised Code, to be in charge of and supervise and direct the work of a mine laboratory operated under that section. The chemists shall make proper chemical tests of samples of mine air, gases, and coal and mine dust, and keep a permanent record of the same showing the date, time, and place where taken, the results of the test and analysis, and any further data that is proper, necessary, and pertinent to the inspection of mines. They shall conduct such research and experimental work and tests as will provide for better working, health, and safety conditions in the mines and quarries, and will aid in the development and furtherance of such industries.