Ohio Administrative Code

(A) (1) Post-closure care for each hazardous waste management unit subject to the requirements of rules 3745-66-17 to 3745-66-20 of the Administrative Code shall begin after completion of closure of the unit and continue for thirty years after that date. It shall consist of at le…

(A) Written post-closure plan. On April 15, 1981, the owner or operator of a hazardous waste disposal unit shall have a written post-closure plan. An owner or operator of a surface impoundment or waste pile who intends to remove all hazardous wastes at closure shall prepare a pos…

(A) No later than sixty days after certification of closure of each hazardous waste disposal unit, the owner or operator shall submit to the local zoning authority, or the authority with jurisdiction over local land use, and to the director, a record of the type, location, and qu…

No later than sixty days after the completion of the established post-closure care period for each hazardous waste disposal unit, the owner or operator must submit to the director, by registered mail, a certification that the post-closure care period for the hazardous waste dispo…

(A) Owners and operators who are subject to the requirement to obtain a post-closure permit under rule 3745-50-45 of the Administrative Code, but who obtain enforceable documents in lieu of post-closure permits, as provided under paragraph (G) of rule 3745-50-45 of the Administra…

(A) The requirements of rules 3745-66-42, 3745-66-43, 3745-66-47, and 3745-66-48 of the Administrative Code apply to owners and operators of all hazardous waste facilities, including underground injection control facilities, except as this rule or rule 3745-65-01 of the Administr…

(A) When used in rules 3745-66-40 to 3745-66-48 of the Administrative Code, the following terms have the following meanings:(1) "Closure plan" means the plan for closure prepared in accordance with rule 3745-66-12 of the Administrative Code.(2) "Current closure cost estimate" mea…

(A) The owner or operator shall have a detailed written estimate, in current dollars, of the cost of closing the facility in accordance with the requirements in rules 3745-66-11 to 3745-66-15 of the Administrative Code and applicable closure requirements in rules 3745-66-97, 3745…

An owner or operator of each facility shall establish financial assurance for closure of the facility. The owner or operator shall choose from the options as specified in paragraphs (A) to (E) of this rule:(A) Closure trust fund.(1) An owner or operator may satisfy the requiremen…

(A) The owner or operator of a hazardous waste disposal unit shall have a detailed written estimate, in current dollars, of the annual cost of post-closure monitoring and maintenance of the facility in accordance with the applicable post-closure provisions in rules 3745-66-17 to …

The owner or operator of a facility with a hazardous waste disposal unit shall establish financial assurance for post-closure care of the disposal units.(A) Post-closure trust fund.(1) The owner or operator may satisfy the requirements of this rule by establishing a post-closure …

h 119. PDF: An owner or operator may satisfy the requirements for financial assurance for both closure and post-closure care for one or more facilities by using a trust fund, surety bond, letter of credit, insurance, financial test, or corporate guarantee that meets the specifica…

(A) Coverage for sudden accidental occurrences. An owner or operator of a hazardous waste treatment, storage, or disposal facility, or a group of such facilities, shall demonstrate financial responsibility for bodily injury and property damage to third parties caused by sudden ac…

(A) An owner or operator must notify the director by certified mail of the commencement of a voluntary or involuntary proceeding under Title 11 (bankruptcy), U.S. Code, naming the owner or operator as debtor, within ten days after commencement of the proceeding. A guarantor of a …

Rules 3745-66-70 to 3745-66-78 of the Administrative Code apply to owners and operators of all hazardous waste facilities that store containers of hazardous waste, except as rule 3745-65-01 of the Administrative Code provides otherwise. Last updated June 25, 2025 at 5:57 PM Autho…

If a container holding hazardous waste is not in good condition, or if it begins to leak, the owner or operator must transfer the hazardous waste from such container to a container that is in good condition or manage the waste in another manner that complies with the requirements…

h 119. PDF: The owner or operator shall use a container made of or lined with materials which will not react with, and are otherwise compatible with, the hazardous waste to be stored, so that the ability of the container to contain the waste is not impaired. Authorized By: – Ampl…

(A) A container holding hazardous waste shall always be closed during storage, except when it is necessary to add or remove waste.(B) A container holding hazardous waste shall not be opened, handled, or stored in a manner which may rupture the container or cause the container to …

At least once during each period from Sunday to Saturday, the owner or operator shall inspect areas where containers are stored. The owner or operator shall look for leaking containers and for deterioration of containers caused by corrosion or other factors. See rule 3745-66-71 o…

h 119. PDF: Containers holding ignitable or reactive waste shall be located at least fifteen meters (fifty feet) from the facility's property line. Authorized By: – Amplifies: – Five Year Review Date: Prior Effective Dates: 4/15/1981

(A) Incompatible wastes, or incompatible wastes and materials (see the appendix to rule 3745-66-99 of the Administrative Code for examples), shall not be placed in the same container, unless paragraph (B) of rule 3745-65-17 of the Administrative Code is complied with.(B) Hazardou…

The owner or operator shall manage all hazardous waste placed in a container in accordance with the applicable requirements of rules 3745-256-30 to 3745-256-35, 3745-256-50 to 3745-256-64, and 3745-256-80 to 3745-256-90 of the Administrative Code. Last updated June 25, 2025 at 5:…

Rules 3745-66-90 to 3745-66-102 of the Administrative Code apply to owners and operators of facilities that use tank systems for storing or treating hazardous waste except as otherwise provided in paragraphs (A), (B), and (C) of this rule or in rule 3745-65-01 of the Administrati…

(A) For each existing tank system that does not have secondary containment meeting the requirements of rule 3745-66-93 of the Administrative Code, the owner or operator must determine that the tank system is not leaking or is unfit for use. Except as provided in paragraph (C) of …

(A) Owners or operators of new tank systems or components shall ensure that the foundation, structural support, seams, connections, and pressure controls (if applicable) are adequately designed and that the tank system has sufficient structural strength, compatibility with the wa…

(A) In order to prevent the release of hazardous waste or hazardous constituents to the environment, secondary containment that meets the requirements of this rule shall be provided [except as provided in paragraphs (F) and (G) of this rule]:(1) For all new and existing tank syst…

DF: (A) Hazardous wastes or treatment reagents shall not be placed in a tank system if they could cause the tank, its ancillary equipment, or the secondary containment system to rupture, leak, corrode, or otherwise fail.(B) The owner or operator shall use appropriate controls and…

(A) The owner or operator shall inspect, where present, at least once each operating day, data gathered from monitoring and leak-detection equipment (e.g., pressure or temperature gauges, monitoring wells) to ensure that the tank system is being operated according to the tank sys…

A tank system or secondary containment system from which there has been a leak or spill, or which is unfit for use, shall be removed from service immediately, and the owner or operator shall satisfy the following requirements:(A) Cessation of use; prevent flow or addition of wast…

(A) At closure of a tank system, the owner or operator must remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated soils, and structures and equipment contaminated with waste, and manage them as hazardous waste, unless …

(A) Ignitable waste or reactive waste shall not be placed in a tank system, unless:(1) The waste is treated, rendered, or mixed before or immediately after placement in the tank system so that:(a) The resulting waste, mixture, or dissolved material no longer meets the description…

h 119. PDF: (A) Incompatible wastes, or incompatible wastes and materials (see the appendix of this rule for examples), shall not be placed in the same tank system, unless paragraph (B) of rule 3745-65-17 of the Administrative Code is complied with.(B) Hazardous waste shall not b…

Rules 3745-67-20 to 3745-67-31 of the Administrative Code apply to owners and operators of facilities that use surface impoundments to treat, store, or dispose of hazardous waste, except as rule 3745-65-01 of the Administrative Code provides otherwise. Last updated June 26, 2025 …

(A) The owner or operator of each new surface impoundment unit, each lateral expansion of a surface impoundment unit, and each replacement of an existing surface impoundment unit must install two or more liners and a leachate collection and removal system between the liners, and …

(A) The owner or operator of surface impoundment units subject to paragraph (A) of rule 3745-67-21 of the Administrative Code must submit a proposed action leakage rate to the director when submitting the notice required under paragraph (B) of rule 3745-67-21 of the Administrativ…

(A) The owner or operator of surface impoundment units subject to paragraph (A) of rule 3745-67-21 of the Administrative Code shall develop a response action plan and keep the response action plan on-site until closure of the facility. The response action plan shall describe the …

h 119. PDF: (A) In addition to the waste analyses required by rule 3745-65-13 of the Administrative Code, whenever a surface impoundment is to be used to:(1) Chemically treat a hazardous waste which is substantially different from waste previously treated in that impoundment; or(…

(A) The owner or operator must inspect:(1) The freeboard level at least once each operating day to ensure compliance with rule 3745-67-22 of the Administrative Code; and(2) The surface impoundment, including dikes and vegetation surrounding the dike, at least once a week to detec…

(A) At closure, the owner or operator must:(1) Remove or decontaminate all waste residues, contaminated waste containment system components (liners, etc.), contaminated subsoils, and structures and equipment contaminated with waste and leachate, and manage them as hazardous waste…

DF: Ignitable or reactive waste shall not be placed in a surface impoundment unless the waste and impoundment satisfy all applicable requirements of Chapter 3745-270 of the Administrative Code, and:(A) The waste is treated, rendered, or mixed before or immediately after placement…

Incompatible wastes, or incompatible wastes and materials (see the appendix to rule 3745-66-99 of the Administrative Code for examples), shall not be placed in the same surface impoundment, unless paragraph (B) of rule 3745-65-17 of the Administrative Code is complied with. Last …

The owner or operator shall manage all hazardous waste placed in a surface impoundment in accordance with the applicable requirements of rules 3745-256-50 to 3745-256-64 and 3745-256-80 to 3745-256-90 of the Administrative Code. Last updated June 25, 2025 at 6:15 PM Authorized By…

(A) Rules 3745-67-50 to 3745-67-60 of the Administrative Code apply to owners and operators of facilities that treat or store hazardous waste in piles, except as rule 3745-65-01 of the Administrative Code provides otherwise.(B) Alternatively, a pile of hazardous waste may be mana…

h 119. PDF: The owner or operator of a pile containing hazardous waste which could be subject to dispersal by wind shall cover or otherwise manage the pile so that wind dispersal is controlled. Authorized By: – Amplifies: – Five Year Review Date: Prior Effective Dates: 4/15/1981

h 119. PDF: (A) In addition to the waste analyses required by rule 3745-65-13 of the Administrative Code, the owner or operator shall analyze a representative sample of waste from each incoming movement before adding the waste to any existing pile, unless(1) The only wastes the f…

h 119. PDF: If leachate or run-off from a pile is a hazardous waste, then either:(A) (1) The pile shall be placed on an impermeable base that is compatible with the waste under the conditions of treatment or storage;(2) The owner or operator must design, construct, operate, and m…

The owner or operator of each new waste pile on which construction commences after January 29, 1992, each lateral expansion of a waste pile unit on which construction commences after July 29, 1992, and each such replacement of an existing waste pile unit that is to commence reuse…