Ohio Rev. Code § 1561.27: Division of mineral resources management laboratory.

A division of mineral resources management laboratory, equipped for making proper chemical tests of the air, gases, and coal and mine dust, together with research, experimental work, and other things, proper, necessary, or appurtenant to the inspection of mines, and quarries, and to the administration of this chapter and Chapters 1509., 1563., 1565., and 1567. of the Revised Code, shall be operated by, and under the direction and control of, the chief of the division of mineral resources management. The chief shall employ not more than three chemists, and such clerical help as conditions require. The necessary equipment and supplies to maintain such laboratory shall be supplied by the chief.