Ohio Rev. Code Ann. § 3734.16

A generator of hazardous waste who violates any of the rules adopted by the director of environmental protection in accordance with divisions (B) and (I) of section 3734.12 of the Revised Code shall be liable for any damage or injury caused by the violation and for the costs of rectifying the violation and conditions caused by the violation in addition to any civil penalties or criminal fines imposed for the violation under section 3734.13 or 3734.99 of the Revised Code.