Ohio Rev. Code Ann. § 3704.161
(A) The director of environmental protection shall enforce sections 3704.16 to 3704.162 of the Revised Code and the rules adopted under them. In doing so, the director or the director's authorized representative may do either or both of the following:
(B) The director shall adopt rules in accordance with Chapter 119. of the Revised Code to implement sections 3704.16 to 3704.162 of the Revised Code. The rules shall include all of the following:
(C)