Ohio Revised Code Title XLI. Labor and Industry § 4163.02

No person shall manufacture, construct, produce, transfer, acquire, or possess any special nuclear material, by-product material, production facility, or utilization facility or act as an operator of a production or utilization facility wholly within this state unless he has obtained whatever license or permit, if any, is required for engaging in the same type of activity by the Atomic Energy Act of 1954 of the United States or by any regulations issued thereunder. This section shall not prohibit or limit or require an additional license for the use of by-product materials for medical purposes by physicians licensed to practice medicine in this state.