Ohio Administrative Code

(A) A water quality credit for each pollutant shall meet all of the following requirements:(1) Have clearly defined units expressed as mass per unit time, or other appropriate units for those pollutants not expressible by mass, and determined in accordance with rule 3745-5-08 of …

(A) Where methods and procedures (e.g., sampling protocols, monitoring frequencies) are specified by federal regulations or in NPDES permits, they shall be used where applicable for measuring pollutant loads and determining compliance of permittees that engage in water quality tr…

(A) For permittees in an area where there is an approved TMDL, the water quality baseline shall be the lower of the following:(1) The wasteload allocation established by the approved TMDL.(2) The current discharge level.(B) For permittees in an area where there is not an approved…

(A) For water quality trading activities between two permittees, a water quality credit shall be calculated using the trading ratio, where one pound of pollutant reduction equals one pound of water quality credit for that pollutant.(B) For water quality trading activities between…

(A) For any permittee participating in trading activities, a special condition will be included in the NPDES permit, either at renewal or by modification, that does the following:(1) Authorizes water quality trading.(2) Requires implementation of actions from the approved water q…

(A) Record keeping. Upon request by the director or the director's authorized representative, any permittee, qualified soil and water conservation professional or other person participating in the administration of an approved water quality trading management plan shall make avai…

Any person submitting a water quality trading management plan for approval shall meet all of the following requirements:(A) Hold at least one public meeting for the submission of an initial water quality trading management plan or any revision of a water quality trading managemen…

(A) The ambient water quality monitoring plan shall include sufficient information for the director to do the following:(1) Determine if there have been negative impacts to water quality.(2) Document the presence or absence of any improvements to water quality.(B) The ambient wat…

Chapter 3745-50 of the Administrative Code provides definitions of terms, general standards, and overview information applicable to Chapters 3745-50, 3745-51, 3745-52, 3745-53, 3745-54 to 3745-57 and 3745-205, 3745-65 to 3745-69 and 3745-256, and 3745-270 of the Administrative Co…

(A) Any information provided to Ohio EPA under Chapters 3745-50, 3745-51, 3745-52, 3745-53, 3745-54 to 3745-57 and3745-205, 3745-65 to 3745-69 and 3745-256, 3745-266, and 3745-270 of the Administrative Code may be made available to the public to the extent and in the manner autho…

As used in Chapters 3745-50, 3745-51, 3745-52, 3745-53, 3745-54 to 3745-57 and 3745-205, 3745-65 to 3745-69 and 3745-256, 3745-266, 3745-267, 3745-270, and 3745-273 of the Administrative Code:(A) Words in the masculine gender also include the feminine and neuter genders; and(B) W…

In any case in which the state in which waste is generated, or the state in which waste will be transported to a designated facility, requires that the waste be regulated as a hazardous waste or otherwise be tracked through a hazardous waste manifest, the designated facility that…

(A) For purposes of this rule, "state-only regulated waste" means:(1) A non-RCRA waste that a state regulates more broadly under the state's regulatory program; or(2) A RCRA hazardous waste that is federally exempt from manifest requirements, but not exempt from manifest requirem…

As used in the hazardous waste rules, the following terms have the meanings given:(A) (1) "Aboveground tank" means a device that meets the definition of "tank" in this rule and that is situated in such a way that the entire surface area of the tank is completely above the plane o…

When used in the hazardous waste rules, the following text or other materials are incorporated by reference. All references cited in this rule are those that existed and were available on July 1, 2025 unless a different edition or version date is specified in this rule.(A) Code o…

(A) The process for approving or denying an application for a remedial action plan (RAP).(1) If the director tentatively finds that the owner's or operator's RAP application includes all of the information required by paragraph (D) of rule 3745-50-95 of the Administrative Code an…

(A) An applicant may apply to the director for a formal determination that a hazardous secondary material is not discarded and therefore not a waste. The determinations will be based on the criteria contained in paragraph (B) or (C) of this rule, as applicable. If an application …

(A) Facilities managing hazardous secondary materials under rule 3745-50-23 and paragraph (A)(23), (A)(24), (A)(25), or (A)(27) of rule 3745-51-04 of the Administrative Code shall send a notification prior to operating under the rule and by March first of each even-numbered year …

(A) Recycling of hazardous secondary materials for the purpose of the exclusions or exemptions from the hazardous waste rules shall be legitimate. Hazardous secondary material that is not legitimately recycled is discarded material and is a waste. In determining if the hazardous …

(A) Procedures to modify or revoke a remedial action plan (RAP) after the RAP is issued. In a RAP, the director shall specify, either directly or by reference, procedures for future modifications or revocations of the RAP. These procedures shall provide adequate opportunities for…

(A) Any person seeking to exclude a waste at a particular generating facility from the lists in rules 3745-51-30 to 3745-51-35 of the Administrative Code (40 CFR Part 261 subpart D) may petition U.S. EPA for a regulatory amendment pursuant to 40 CFR 260.22.(B) Ohio EPA will recog…

(A) Any person who seeks to add a hazardous waste or a category of hazardous waste to the universal waste rules of Chapter 3745-273 of the Administrative Code may petition for an amendment under this rule and rules 3745-273-80 to 3745-273-81 of the Administrative Code.(B) To be s…

(A) Maintaining remedial action plan (RAP) records. The owner or operator is required to keep records of:(1) All data used to complete RAP applications and any supplemental information that the owner or operator submits for a period of at least three years after the date the appl…

In accordance with the standards and criteria in rules 3745-50-24 and 3745-50-15 of the Administrative Code and the procedures in rule 3745-50-26 of the Administrative Code, the director may determine on a case-by-case basis that any of the following recycled materials are not wa…

(A) An owner or operator may request a remedial action plan (RAP) for remediation waste management activities at a location removed from the area where the remediation wastes originated if the owner or operator believes such a location would be more protective than the contaminat…

(A) Facilities with existing permits.(1) Modifications to permit conditions after documenting compliance with maximum achievable control technology (MACT). The owner or operator of a hazardous waste permitted incinerator, cement kiln, lightweight aggregate kiln, solid fuel boiler…

(A) The director may grant requests for a variance from classifying as a waste those materials that are accumulated speculatively without sufficient amounts being recycled if the applicant demonstrates that sufficient amounts of the material will be recycled or transferred for re…

In accordance with the standards and criteria in rule 3745-50-10 of the Administrative Code (definition of "boiler"), and the procedures in rule 3745-50-26 of the Administrative Code, the director may determine on a case-by-case basis that certain enclosed devices using controlle…

(A) A standardized permit is a special type of permit that authorizes owners and operators to manage hazardous waste. A standardized permit is issued under rules 3745-50-250 to 3745-50-320 and 3745-50-700 to 3745-50-711 of the Administrative Code.(B) Eligibility for a standardize…

The director will use the following procedures in evaluating applications for variances from classification as a waste, applications to classify particular enclosed controlled flame combustion devices as boilers, or applications for non-waste determinations:(A) The applicant shal…

(A) The director may decide on a case-by-case basis that persons accumulating or storing the recyclable materials described in paragraph (A)(2)(c) of rule 3745-51-06 of the Administrative Code should be regulated under paragraphs (B) and (C) of rule 3745-51-06 of the Administrati…

(A) Instructions for owners and operators applying for a standardized permit. Owners and operators applying for a standardized permit shall follow the procedures in rules 3745-50-250 to 3745-50-320 and 3745-50-700 of the Administrative Code.(B) Requirements for owners and operato…

The director will use the following procedures when determining whether to regulate hazardous waste recycling activities described in paragraph (A)(2)(c) of rule 3745-51-06 of the Administrative Code under paragraphs (B) and (C) of rule 3745-51-06 of the Administrative Code, rath…

(A) General types of information to be kept at the facility. Owners and operators shall keep the following information at the facility:(1) A general description of the facility.(2) Chemical and physical analyses of the hazardous waste and hazardous debris handled at the facility.…

(A) Any record, report, or other information obtained under Chapter 3734. of the Revised Code or the "hazardous waste rules" as defined in rule 3745-50-10 of the Administrative Code may be claimed as confidential by the submitter pursuant to a trade secrets claim under rule 3745-…

(A) The director, by order, may exempt any person generating, collecting, storing, treating, disposing of, or transporting hazardous wastes in such quantities or under such circumstances that, in the determination of the director, are unlikely to adversely affect the public healt…

When used in rules 3745-50-33 to 3745-50-36 of the Administrative Code, the following terms have the meanings given:(A) "On-site facility" means a facility that treats or disposes of hazardous waste that is generated on the premises of the facility.(B) "Off-site facility" means a…

Owners or operators may modify a standardized permit by following the procedures in rule 3745-50-711 of the Administrative Code. Last updated June 25, 2025 at 5:53 PM Authorized By: 3734.12 Amplifies: 3734.12 Five Year Review Date:

(A) Owners or operators of disposal facilities that are "off-site facilities," as defined in rule 3745-50-32 of the Administrative Code, and which hold a permit, shall collect fees in accordance with section 3734.18 of the Revised Code on the disposal of hazardous waste.(B) The o…

(A) Owners or operators of disposal facilities that are an "on-site facility" or a "satellite facility," as defined in rule 3745-50-32 of the Administrative Code, and which hold a permit, shall pay fees in accordance with section 3734.18 of the Revised Code on the disposal of haz…

(A) Owners or operators of treatment facilities that are not an "on-site facility" or a "satellite facility," as defined in rule 3745-50-32 of the Administrative Code, and which hold a hazardous waste facility installation and operation permit, or are not subject to the hazardous…

(A) On each anniversary of the date of issuance of the hazardous waste facility installation and operation permit and of any subsequent renewal permits, the owner or operator of that facility shall pay to the director an annual permit fee. Annual permit fees totaling forty thousa…

Upon application for a hazardous waste facility installation and operation permit or upon application for a renewal permit issued under section 3734.05 of the Revised Code, an application fee shall be paid by the applicant to the director in accordance with section 3734.02 of the…

(A) The "Siting Criteria Document" information requirements in this rule reflect the standards in division (D)(2) of section 3734.05 of the Revised Code that are applicable to modifications under division (I)(3) of section 3734.05 of the Revised Code. These information requiremen…

(A) New hazardous waste facilities.(1) No person shall begin physical construction of a new hazardous waste management facility without having submitted "Part A" and "Part B" of a permit application to the director and having received an effective Ohio hazardous waste facility in…

(A) Applying for a permit. This paragraph provides information on how to obtain a permit and where to find requirements for specific permits: (1) Persons covered by paragraph (A) of rule 3745-50-46 of the Administrative Code need not apply.(2) Persons currently authorized with a …

(A) Applications. All permit applications shall be signed as follows:(1) For a corporation. By a responsible corporate officer. For the purpose of this rule, a "responsible corporate officer" means:(a) A president, secretary, treasurer, or vice president of the corporation in cha…