Ohio Rev. Code Ann. § 3750.07
(A) Except as otherwise authorized in division (E) of this section, any person who owns or operates a facility and is required to prepare or have available a material safety data sheet for a hazardous chemical under the "Occupational Safety and Health Act of 1970," 84 Stat. 1590, 29 U.S.C.A. 651, as amended, and regulations adopted under it shall, within thirty days after the effective date of this section, submit to the local emergency planning committee of the emergency planning district in which the facility is located, the emergency response commission, and the fire department having jurisdiction over the facility, a list of any hazardous chemicals that are produced, used, or stored at the facility in an amount that equals or exceeds the threshold quantity applicable to the hazardous chemical established by rules adopted under division (B)(1)(b) of section 3750.02 of the Revised Code. The hazardous chemicals shall be grouped together on any such list by the categories of health and physical hazards prescribed in rules adopted under that division. The list shall include all of the following:
(B) The owner or operator of a facility may meet the requirements of division (A) of this section for a hazardous chemical that consists of a mixture of hazardous chemicals by doing either of the following:
(F) No owner or operator of a facility where a hazardous chemical is stored, handled, or processed in an amount that exceeds the threshold quantity for the hazardous chemical established in rules adopted under division (B)(1)(b) or (C)(5) of section 3750.02 of the Revised Code shall fail to: