Ohio Revised Code Title XV. Conservation of Natural Resources § 1561.11

The chief of the division of mineral resources management, for the purpose of conducting the examinations for mine forepersons and fire bosses, may designate one or more examining boards of three members, selected from among the deputy mine inspectors, superintendent and assistant superintendents of rescue stations, and electrical inspectors. The examinations shall be conducted in the district of the applicant's residence or as near thereto as practicable. Grading and issuance of certificates shall be done by the chief.