40 C.F.R. § 52.1870
Identification of plan
(a) Purpose and scope. This section sets forth the applicable State Implementation Plan (SIP) for Ohio under Section 110 of the Clean Air Act, 42 U.S.C. 7401 et seq., and 40 CFR part 51 to meet National Ambient Air Quality Standards.
(b) Incorporation by reference. (1) Material listed in paragraphs (c) and (d) of this section with an EPA approval date prior to September 1, 2015, was approved for incorporation by reference by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Material is incorporated as it exists on the date of the approval, and notice of any change in the material will be published in the
(2) EPA Region 5 certifies that the rules/regulations provided by EPA in the SIP compilation at the addresses in paragraph (b)(3) of this section are an exact duplicate of the officially promulgated state rules/regulations which have been approved as part of the SIP as of September 1, 2015.
(3) Copies of the materials incorporated by reference may be inspected at the Environmental Protection Agency, Region 5, Air Programs Branch, 77 West Jackson Boulevard, Chicago, IL 60604 or the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.
(c) EPA approved regulations.
| Ohio citation | Title/Subject | Ohio effective date | EPA Approval date | Notes |
|---|---|---|---|---|
| Chapter 3745-14 Nitrogen Oxides—Reasonably Available Control Technology | ||||
| 3745-14-01 | Definitions and General Provisions | 8/15/2024 | 5/8/2025, 90 FR 19428 | |
| 3745-14-03 | Permit Requirements | 1/29/2018 | 9/17/2019, 84 FR 48789 | |
| 3745-14-04 | Compliance Certification | 8/22/2019 | 4/8/2020, 85 FR 19670 | |
| 3745-14-08 | Monitoring and Reporting | 8/15/2024 | 5/8/2025, 90 FR 19428 | |
| 3745-14-11 | Portland Cement Kilns | 7/18/2002 | 8/5/2003, 68 FR 46089 | |
| 3745-14-12 | Stationary Internal Combustion Engines | 5/7/2005 | 2/4/2008, 73 FR 6427 | |
| Chapter 3745-15 General Provisions on Air Pollution Control | ||||
| 3745-15-01 | Definitions | 1/22/2009 | 5/10/2010, 75 FR 25770 | |
| 3745-15-02 | Purpose | 1/25/1980 | 10/1/1982, 47 FR 43375 | |
| 3745-15-03 | Submission of Emission Information | 6/30/2008 | 2/20/2013, 78 FR 11748 | Only (A). |
| 3745-15-04 | Measurement of Emissions of Air Contaminants | 1/25/1980 | 10/1/1982, 47 FR 43375 | |
| 3745-15-05 | De Minimis Air Contaminant Source Exemption | 1/22/2009 | 5/10/2010, 75 FR 25770 | |
| 3745-15-06 | Malfunction of Equipment; Scheduled Maintenance; Reporting | 1/25/1980 | 10/1/1982, 47 FR 43375 | |
| 3745-15-07 | Air Pollution Nuisances Prohibited | 5/17/1982 | 8/13/1984, 49 FR 32182 | |
| 3745-15-08 | Circumvention | 1/25/1980 | 10/1/1982, 47 FR 43375 | |
| 3745-15-09 | Severability | 1/25/1980 | 10/1/1982, 47 FR 43375 | |
| Chapter 3745-16 Stack Height Requirements | ||||
| 3745-16-01 | Definitions | 3/5/1986 | 8/25/1988, 53 FR 32392 | |
| 3745-16-02 | Good Engineering Practice Stack Height Requirements | 3/5/1986 | 8/25/1988, 53 FR 32392 | |
| Chapter 3745-17 Particulate Matter Standards | ||||
| 3745-17-01 | Definitions and Referenced Materials | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-03 | Measurement Methods and Procedures | 8/25/2023 | 7/18/2024, 89 FR 58293 | Except for paragraph (B)(1)(b) and the phrase in paragraph (B)(1)(a) reading “Except as provided in paragraph (B)(1)(b) of this rule”. |
| 3745-17-04 | Compliance Time Schedules | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-07 | Control of Visible Particulate Emissions from Stationary Sources | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-08 | Restriction of Emission of Fugitive Dust | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-09 | Restrictions on Particulate Emissions and Odors from Incinerators | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-10 | Restrictions on Particulate Emissions from Fuel Burning Equipment | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-11 | Restrictions on Particulate Emissions from Industrial Processes | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-12 | Additional Restrictions on Particulate Emissions from Specific Air Contaminant Sources in Cuyahoga County | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-13 | Additional Restrictions on Particulate Emissions from Specific Air Contaminant Sources in Jefferson County | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| 3745-17-14 | Contingency Plan Requirements for Cuyahoga and Jefferson Counties | 8/25/2023 | 7/18/2024, 89 FR 58293 | |
| Chapter 3745-18 Sulfur Dioxide Regulations | ||||
| 3745-18-01 | Definitions and incorporation by reference | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-02 | General countywide emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-03 | Compliance Time Schedules | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-04 | Measurement Methods and Procedures | 2/3/2022 | 5/30/2023, 88 FR 34449 | Except (D)(2), (D)(3), (D)(5), (D)(6), (E)(2), (E)(3), and (E)(4). |
| 3745-18-05 | Ambient and Meteorological Monitoring Requirements | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-06 | General Emission Limit Provisions | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-08 | Allen county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-10 | Ashtabula county emissions limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-11 | Athens county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-15 | Butler county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-23 | Crawford county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-24 | Cuyahoga county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-26 | Defiance county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-28 | Erie county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-31 | Franklin county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-33 | Gallia county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-35 | Greene county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-37 | Hamilton county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-47 | Jefferson county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-49 | Lake county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-53 | Lorain county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-54 | Lucas county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-56 | Mahoning county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-61 | Miami county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-63 | Montgomery county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-66 | Muskingum County Emission Limits | 2/16/2017 | 10/11/2018, 83 FR 51361 | |
| 3745-18-68 | Ottawa county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-69 | Paulding county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-77 | Ross county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-78 | Sandusky county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-80 | Seneca county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-82 | Stark County Emission Limits | 4/16/2023 | 10/7/2024, 89 FR 81008 | |
| 3745-18-83 | Summit County Emission Limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-84 | Trumbull County Emission Limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-85 | Tuscarawas County Emission Limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-90 | Washington County Emission Limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-91 | Wayne county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| 3745-18-92 | Williams county emission limits | 2/3/2022 | 5/30/2023, 88 FR 34449 | |
| Chapter 3745-19 Open Burning Standards | ||||
| 3745-19-01 | Definitions | 4/30/2018 | 6/24/2019, 84 FR 29378 | |
| 3745-19-02 | Relations to Other Prohibitions | 7/7/2006 | 3/21/2008, 73 FR 15081 | |
| 3745-19-03 | Open burning in restricted areas | 4/30/2018 | 6/24/2019, 84 FR 29378 | |
| 3745-19-04 | Open burning in unrestricted areas | 4/30/2018 | 6/24/2019, 84 FR 29378 | |
| 3745-19-05 | Permission to individuals and notification to the Ohio EPA | 4/30/2018 | 6/24/2019, 84 FR 29378 | |
| Chapter 3745-21 Carbon Monoxide, Ozone, Hydrocarbon Air Quality Standards, and Related Emission Requirements | ||||
| 3745-21-01 | Definitions and incorporation by reference | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-02 | Ambient air quality standards and guidelines | 8/25/2008 | 7/28/2009, 74 FR 37171 | |
| 3745-21-03 | Methods of ambient air quality measurement | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-04 | Compliance time schedules | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-06 | Classification of regions | 8/25/2008 | 7/28/2009, 74 FR 37171 | 3745-21-06. |
| 3745-21-07 | Control of emissions of organic materials from stationary sources ( | 3/27/2022 | 1/20/2026, 90 FR 2308 | All except the entry for “TRC Buyer Co. dba “The Ruscoe Company” Plant II” in table (M)(1) Emissions Units under OAC 3745-21-07(M)(1). |
| 3745-21-08 | Control of carbon monoxide emissions from stationary sources | 10/15/2015 | 9/8/2017, 82 FR 42451 | 3745-21-08. |
| 3745-21-09 | Control of emissions of volatile organic compounds from stationary sources and perchloroethylene from dry cleaning facilities | 3/27/2022 | 6/26/26, 91 FR 28521 | Except 3745-21-09(PP). |
| 3745-21-10 | Compliance test methods and procedures | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-11 | Reasonably available control technology studies for non-CTG
Sources in ozone nonattainment areas | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-12 | Control of volatile organic compound emissions from commercial bakery oven facilities | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-13 | Control of volatile organic compound emissions from reactors and distillation units employed in SOCMI chemical production | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-14 | Control of volatile organic compound emissions from process vents in batch operations | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-15 | Control of volatile organic compound emissions from wood furniture manufacturing operations | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-16 | Control of volatile organic compound emissions from industrial wastewater | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-17 | Portable fuel containers | 10/15/2015 | 9/8/2017, 82 FR 42451 | |
| 3745-21-18 | Commercial motor vehicle and mobile equipment refinishing operations | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-19 | Control of volatile organic compound emissions from aerospace manufacturing and rework facilities | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-20 | Control of volatile organic emissions from shipbuilding and ship repair operations (marine coatings) | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-21 | Storage of volatile organic liquids in fixed roof tanks and external floating roof tanks | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-22 | Control of volatile organic compound emissions from offset lithographic printing and letterpress printing facilities | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-23 | Control of volatile organic compound emissions from industrial solvent cleaning operations | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-24 | Flat wood paneling coatings | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-25 | Control of VOC emissions from reinforced plastic composites production operations | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-26 | Surface coating of miscellaneous metal and plastic parts | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-27 | Boat manufacturing | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-28 | Miscellaneous industrial adhesives and sealants | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-21-29 | Control of volatile organic compound emissions from automobile and light-duty truck assembly coating operations, heavier vehicle assembly coating operations, and cleaning operations associated with these coating operations | 3/27/2022 | 1/20/2026, 90 FR 2308 | |
| Chapter 3745-23 Nitrogen Oxide Standards | ||||
| 3745-23-01 | Definitions | 8/15/2024 | 12/30/2024, 89 FR 106330 | |
| 3745-23-02 | Methods of Measurement | 8/15/2024 | 12/30/2024, 89 FR 106330 | |
| Chapter 3745-24 Nitrogen Oxide Emission Statements | ||||
| 3745-24-01 | Definitions | 12/16/2005 | 9/27/2007, 72 FR 54844 | |
| 3745-24-02 | Applicability | 12/16/2005 | 9/27/2007, 72 FR 54844 | |
| 3745-24-03 | Deadlines for the Submission of the Emission Statements | 12/16/2005 | 9/27/2007, 72 FR 54844 | |
| 3745-24-04 | Emission Statement Requirements | 4/1/1994 | 10/13/1994, 59 FR 51863 | |
| Chapter 3745-25 Emergency Episode Standards | ||||
| 3745-25-01 | Definitions and Reference to Materials | 12/19/2024 | 11/26/2025, 90 FR 52436 | |
| 3745-25-02 | Ambient Air Quality Standards | 12/19/2024 | 11/26/2025, 90 FR 52436 | Except (A)(4). |
| 3745-25-03 | Air Pollution Emergencies and Episode Criteria | 12/19/2024 | 11/26/2025, 90 FR 52436 | |
| 3745-25-04 | Air Pollution Emergency Emission Control Action Programs | 7/7/2025 | 11/26/2025, 90 FR 52436 | |
| 3745-25-05 | Air Pollution Emergency Orders | 12/19/2024 | 11/26/2025, 90 FR 52436 | |
| Chapter 3745-26 I/M Program Rules and Regulations | ||||
| 3745-26-01 | Definitions | 8/15/1996 | 1/6/1997, 62 FR 646 | |
| 3745-26-02 | Obligations of the Motor Vehicle Owner in the Anti-tampering and Basic Automobile Inspection and Maintenance Programs | 6/13/1994 | 4/4/1995, 60 FR 16989 | |
| 3745-26-03 | Inspection Station Licensing Procedure | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-04 | Licensed Inspection Station Requirements and Obligations | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-05 | Provisions for Qualification as a Class B Inspection Station | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-06 | Requirements for Certified Inspectors | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-07 | Suspension or Revocation of Inspection Station License or Inspector Certification | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-08 | Procedure for Station Change of Ownership, Name, or Location, or Cessation of Inspection Operation | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-09 | Fee System | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-10 | Requirements for Contractors in the Basic Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program | 6/13/1994 | 4/4/1995, 60 FR 16989 | |
| 3745-26-11 | Inspection Requirements | 5/15/1990 | 12/17/1993, 58 FR 65933 | |
| 3745-26-12 | Requirements for Motor Vehicle Owners in the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program | 8/15/1996 | 1/6/1997, 62 FR 646 | |
| 3745-26-13 | Requirements for Certified Inspectors in the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program | 6/13/1994 | 4/4/1995, 60 FR 16989 | |
| 3745-26-14 | Enforcement of Program Rules and Regulations for the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program | 6/13/1994 | 4/4/1995, 60 FR 16989 | |
| Chapter 3745-31 Permit-to-Install New Sources and Permit-to-Install and Operate Program | ||||
| 3745-31-01 | Definitions | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (A)(8), (E)(3)(b)(ii) and (iii), (M)(10)(a)(ii), (P)(12), (Q), and (S)(11). |
| 3745-31-02 | Applicability, requirements, and obligations | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-03 | Exemptions | 8/14/2025 | 4/2/2026, 91 FR 16550 | Except for (B)(1)(p). |
| 3745-31-04 | Applications | 5/29/2014 | 6/25/2015, 80 FR 36477 | |
| 3745-31-05 | Criteria for decision by the Director | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (E). |
| 3745-31-06 | Completeness determinations, processing requirements, public participation, public notice, and issuance | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-07 | Termination, revocation, expiration, renewal, revision and transfer | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-08 | Registration status permit-to-operate | 5/29/2014 | 6/25/2015, 80 FR 36477 | |
| 3745-31-09 | Variances on operation | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-10 | NSR projects at existing emissions units at a major stationary source | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-11 | Attainment provisions—ambient air increments, ceilings, and classifications | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-12 | Attainment provisions—data submission requirements | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-13 | Attainment provisions—review of major stationary sources and major modifications, stationary source applicability, and exemptions | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (H)(1)(c). |
| 3745-31-14 | Attainment provisions—pre-application analysis | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-15 | Attainment provisions—control technology review | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-16 | Attainment provisions—major stationary source impact analysis | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-17 | Attainment provisions—additional impact analysis | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-18 | Attainment provisions—air quality models | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-19 | Attainment provisions—notice to the United States environmental protection agency | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-20 | Attainment provisions—innovative control technology | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-21 | Nonattainment provisions—review of major stationary sources and major modifications—stationary source applicability and exemptions | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-22 | Nonattainment provisions—conditions for approval | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (A)(3)(b). |
| 3745-31-23 | Nonattainment provisions—stationary sources locating in designated clean or unclassifiable areas which would cause or contribute to a violation of a national ambient air quality standard | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for 1-hour NO2 SIL in (A). |
| 3745-31-24 | Nonattainment provisions—baseline for determining credit for emission and air quality offsets | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (F). |
| 3745-31-25 | Nonattainment provisions—location of offsetting emissions | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-26 | Nonattainment provisions—offset ratio requirements | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (D). |
| 3745-31-27 | Nonattainment provisions—administrative procedures for emission offsets | 3/11/2023 | 4/2/2026, 91 FR 16550 | Except for (A)(1)(b). |
| 3745-31-28 | Review of major stationary sources of hazardous air pollutants requiring MACT determinations | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-29 | General permit-to-install and general PTIO | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-30 | Permits-by-rule | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-32 | Plantwide applicability limit | 3/11/2023 | 4/2/2026, 91 FR 16550 | |
| 3745-31-34 | Permits to install for major stationary sources and major modifications of sources emitting greenhouse gases | 3/31/2011 | 2/14/2020, 85 FR 8406 | Except for (B), (C), and (D). |
| Chapter 3745-49 Miscellaneous Rules | ||||
| 3745-49-01 | Administrative Procedures—applicability and construction of rules | 4/2/2012 | 4/23/2021, 86 FR 21648 | |
| 3745-49-02 | Administrative procedures—definitions | 4/2/2012 | 4/23/2021, 86 FR 21648 | |
| 3745-49-05 | Draft actions and proposed actions | 4/2/2012 | 4/23/2021, 86 FR 21648 | |
| 3745-49-06 | Issuance of final actions | 4/2/2012 | 4/23/2021, 86 FR 21648 | |
| 3745-49-07 | Public notice | 7/27/2019 | 4/23/2021, 86 FR 21648 | |
| 3745-49-08 | Contents of public notices | 4/2/2012 | 4/23/2021, 86 FR 21648 | |
| Chapter 3745-101 Transportation Conformity | ||||
| 3745-101-02 | Definitions | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-03 | Applicability, Priority, and Frequency of Conformity Determinations | 2/16/1999 | 5/30/2000, 65 FR 34395 | Only (A), (B), (C), (D), (G), (H), (I), (J), (K), and (L). |
| 3745-101-05 | Content of Transportation Plans | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-06 | Relationship with NEPA and Fiscal Constraints | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-07 | Criteria and Procedures for Conformity Determination, Assumptions, Emissions Model, and Consultation | 2/16/1999 | 5/30/2000, 65 FR 34395 | Only (A), (B), and (C) Except (C)(1)(a) and (C)(2)(a). |
| 3745-101-08 | Criteria and Procedures for Implementation of TCMs, Current Conformity, and Projects from a Plan and TIP | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-09 | Localized CO and PM10 Violations and Compliance with PM10 Control Measures | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-10 | Motor Vehicle Emissions Budgets | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-11 | Criteria and Procedures: Emission Reductions in Areas without Motor Vehicle Emissions Budgets | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-12 | Consequences of Control Strategy Implementation Plan Failures | 2/16/1999 | 5/30/2000, 65 FR 34395 | Except for (A)(2). |
| 3745-101-13 | Requirements for Adoption or Approval of Projects by Other Recipients of Funds Designated Under Title 23 U.S.C. or the Federal Transit Laws | 2/16/1999 | 5/30/2000, 65 FR 34395 | Except for (A)(1). |
| 3745-101-14 | Procedures for Determining Regional Transportation-related Emissions | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-15 | Procedures for Determining Localized CO and PM10 Concentrations (Hot-spot Analysis) | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-17 | Enforceability of Design Concept and Scope and Project-level Mitigation and Control Measures | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-18 | Exempt Projects | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| 3745-101-19 | Traffic Signal Synchronization Projects | 2/16/1999 | 5/30/2000, 65 FR 34395 | |
| Chapter 3745-102 General Federal Action Conformity | ||||
| 3745-102-01 | Purpose | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| 3745-102-02 | Definitions | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| 3745-102-03 | Applicability | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| 3745-102-04 | Analysis, Other Requirements | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| 3745-102-05 | Conformity Determinations | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| 3745-102-06 | Mitigation of Air Quality Impacts | 8/21/1995 | 3/11/1996, 61 FR 9644 | |
| Chapter 3745-110—Nitrogen Oxides—Reasonably Available Control Technology | ||||
| 3745-110-01 | Definitions | 3/25/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-110-02 | Applicability | 3/25/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-110-03 | RACT requirements and/or limitations for emissions of NOX from stationary sources | 3/25/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-110-04 | Compliance Deadlines | 3/25/2022 | 1/20/2026, 90 FR 2308 | |
| 3745-110-05 | Compliance Methods | 3/25/2022 | 1/20/2026, 90 FR 2308 | |
| Chapter 3745-112 Volatile Organic Compound Limits in Consumer Products | ||||
| 3745-112-01 | Definitions | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-02 | Applicability | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-03 | Standards | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-04 | Exemptions | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-05 | Administrative Requirements | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-06 | Reporting Requirements | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-07 | Variances | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
| 3745-112-08 | Test Methods | 6/20/2022 | 7/10/2023, 88 FR 43440 | |
(d) EPA approved state source-specific requirements.
| Name of source | Number | Ohio effective date | EPA Approval date | Comments | ||||
|---|---|---|---|---|---|---|---|---|
| Accel Group, Inc | P0120345 | 9/16/2019 | 10/30/2020, 85 FR 68758 | Only paragraphs B.4, B.6, B.8, B.9.c), C.1.b)(1)d, C.1.b)(2)a, C.1.d)(2), C.1.d)(3), C.1.e)(3), C.1.f)(1)c, C.2.b)(1)d, C.2.b)(2)a, C.2.d)(2), C.2.d)(3), C.2.e)(3), and C.2.f)(1)e. | ||||
| AK Steel Corporation | Director's Final Findings and Orders (DFFO) | 8/18/1995 | 4/25/1996, 61 FR 18255 | |||||
| Akron Paint and Varnish | P0136483 | 12/11/2024 | 6/26/26, 91 FR 28521 | Only sections B.8., C.3.b)(1)b., C.3.c)(1), C.3.d)(4), C.3.e)(4), C.3.f)(2), C.4.b)(1)c., C.4.c)(1), C.4.d)(1), C.4.e)(6), C.4.f)(2), C.5.b)(1)c., C.5.c)(1), C.5.d)(1), C.5.e)(6), and C.5.f)(2). | ||||
| Cardinal Power Plant | DFFO | 7/26/2024 | 7/8/2025, 90 FR 29993 | Regional haze emission limit. | ||||
| Carmeuse Lime, Inc.-Grand River Operations | P0137844 | 7/10/2025 | 6/26/26, 91 FR 28521 | Only sections B.3.through B.7., C.1.b)(1)b., C.1.c)(1), C.1.d)(1), C.1.e)(1), C.1.f)(1)a., C.2.b)(1)b., C.2.c)(1), C.2.d)(1), C.2.e)(1), and C.2.f)(1)a. | ||||
| Carmeuse Lime, Inc. Maple Grove | DFFO | 11/8/2024 | 12/11/2025, 90 FR 57374 | |||||
| Cleveland-Cliffs Cleveland Works | P0138035 | 11/13/2025 | 6/26/2026, 91 FR 38517 | Only sections C.1.b)(1)e., C.1.b)(2)a., C.1.d)(2), C.1.d)(3), C.1.d)(4), C.1.e)(2), C.1.e)(3), C.1.e)(5), C.1.f)(1)d., C.1.f)(1)f., and C.1.f)(2). | ||||
| Cleveland-Cliffs Cleveland Works | P0138036 | 11/13/2025 | 6/26/2026, 91 FR 38517 | Only sections C.1.b)(1)i., C.1.b)(1) j., C.1.b)(1) k., C.1.b)(2)g., C.1.b)(2)h., C.1.d)(6)., C.1.d)(7)., C.1.e)(6), and C.1.f)(1)g. | ||||
| Cleveland-Cliffs Cleveland Works | P0138136 | 11/13/2025 | 6/26/2026, 91 FR 38517 | Only sections B.11., C.1.b)(1)g., C.1.d)(7), C.1.e)(5), C.2.b)(1)g, C.2.d)(9), C.2.e)(6), C.3.b)(1)e., C.3.d)(4), C.3.e)(4), C.4.b)(1)f., C.4.d)(9), C.4.e)(6), C.5.b)(1)d., C.5.b)(1)e., C.5.b)(1)f., C.5.b)(2)d., C.5.d)(4), C.5.d)(5), C.5.e)(4), C.5.e)(5), C.5.e)(6), C.5.f)(1)e., C.6.b)(1)d., C.6.b)(1)e., C.6.b)(1)f., C.6.b)(2)d, C.6.d)(3), C.6.e)(4), C.6.f)(1)b, C.7.b)(1)h., C.7.b)(1)i., C.7.b)(1)j., C.7.b)(2)f., C.7.d)(5), C.7.d)(6), C.7.d)(7), C.7.e)(6), C.7.e)(7), C.7.f)(1)e., C.8.b)(1)e., C.8.b)(1)f., C.8.b)(1)g., C.8.b)(2)e., C.8.d)(2), C.8.d)(3), C.8.e)(4), C.8.e)(5), C.8.f)(1)d., C.9.b)(1)e., C.9.b)(1)f., C.9.b)(2)f., C.9.d)(3), C.9.e)(4), and C.9.f)(1)e. | ||||
| Cleveland-Cliffs Cleveland Works | P0138521 | 11/13/2025 | 6/26/2026, 91 FR 38517 | Only sections C.1.b)(1)e., C.1.b)(1)f., C.1.b)(2)c., and C.1.f)(1). | ||||
| Excello Specialty | PTI 13-2396 | 12/11/1991 | 4/25/1996, 61 FR 18255 | |||||
| Ford-Cleveland Casting | DFFO | 7/10/1995 | 5/6/1996, 61 FR 20139 | |||||
| Ford-Engine Plant 1 | DFFO | 5/31/1996 | 2/25/1997, 62 FR 8383 | |||||
| Forest City Technologies, Plant 4 | P0127984 | 6/23/2020 | 12/5/2023, 88 FR 84241 | Only paragraphs C.1.b)(1)e., C.1.d)(3), C.1.e)(1)c., C.1.f)(1)d., C.2.b)(1)e., C.2.d)(4), C.2.e)(3)b., and C.2.f)(1)d. | ||||
| General Electric Aviation, Evendale Plant | P0136500 | 1/30/2025 | 6/26/26, 91 FR 28521 | Only sections B.2., C.1.b)(1)c., C.1.b)(2)a., C.1.c)(1), C.1.d)(1), C.1.e)(2). | ||||
| General Electric Aviation, Evendale Plant | P0136501 | 1/30/2025 | 6/26/26, 91 FR 28521 | Only sections B.2., C.1.b)(1)f., C.1.c)(2), C.1.d)(2), C.1.e)(3), C.2.b)(1)f., C.2.c)(2), C.2.d)(2), and C.2.e)(3). | ||||
| General James M. Gavin Power Plant | DFFO | 7/26/2024 | 7/8/2025, 90 FR 29993 | Regional haze emission limit. ROW> | Globe Metallurgical Inc | DFFOs | 3/26/2025 | 4/2/2026, 91 FR 16558 |
| Henkel | P0138691 | 11/18/2025 | 6/26/2026, 91 FR 38517 | Only sections B.4., C.1.b)(1).g., C.1.c)(2), C.1.d)(5), C.1.e)(7), C.1.f)(2), C.2.b)(1)f., C.2.c)(2), C.2.d)(6), C.2.e)(7), C.2.f)(2), C.3.b)(1)g., C.3.c)(2), C.3.d)(5), C.3.e)(7), C.3.f)(2), C.4.b)(1)g., C.4.c)(4), C.4.d)(5), C.4.e)(6), C.4.f)(2), C.5.b)(1)j., C.5.c)(3), C.5.d)(6), C.5.e)(9), C.5.f)(2), C.6.b)(1)d., C.6.c)(2), C.6.d)(2), C.6.e)(4), C.6.f)(3), C.7.b)(1)d., C.7.c)(2), C.7.d)(2), C.7.e)(4), and C.7.f)(3). | ||||
| Hilton Davis | PTI 14-2096 | 6/12/1991 | 4/25/1996, 61 FR 18255 | |||||
| International Mill Services | DFFO | 7/12/1995 | 5/6/1996, 61 FR 20139 | |||||
| International Paper Company | DFFO | 8/18/1995 | 4/25/1996, 61 FR 18255 | |||||
| Lubrizol | P0138405 | 10/1/2025 | 6/26/2026, 91 FR 38517 | Only sections B.2, B.3., B.4., B.5., C.1.b)(1)b., C.1.b)(2)a., C.1.d)(1), C.1.e)(1), and C.1.f)(2). | ||||
| Luria Brothers | DFFO | 7/10/1995 | 5/6/1996, 61 FR 20139 | |||||
| Midwest Mica & Insulation Co | DFFO | 8/18/1995 | 4/25/1996, 61 FR 18255 | |||||
| Morgan Adhesives Co | DFFO | 7/5/2000 | 4/17/2001, 74 FR 19721 | |||||
| Ohio Valley Electric Corp.—Kyger Creek Station | DFFO | 7/26/2024 | 7/8/2025, 90 FR 29993 | Regional haze emission limits. | ||||
| Owens Corning | P0137247 | 1/6/2025 | 6/26/26, 91 FR 28521 | Only sections B.11., B.12., B.13., B.14., C.1.b)(1)b., C.1.c)(1), C.1.d)(1), C.1.e)(2), C.2.b)(1)b., C.2.c)(1), C.2.d)(1), C.2.e)(2), C.3.b)(1)b., C.3.c)(1), C.3.d)(1), C.3.e)(2), C.4.b)(1)b., C.4.c)(1), C.4.d)(1), C.4.e)(2), C.5.b)(1)b., C.5.c)(1), C.5.d)(3), C.5.e)(2), C.6.b)(1)c., C.6.d)(1), C.6.e)(2), C.6.f)(3), C.7.b)(1)b.), C.7.d)(1), C.7.e)(2), C.7.f)(2), C.8.b)(1)b., C.8.c)(1), C.8.d)(1), C.8.e)(2), C.9.b)(1)c., C.9.c)(1), C.9.d)(1), C.9.e)(2), C.10.b)(1)b., C.10.d)(1), C.10.e)(2), and C.10.f)(2). | ||||
| P.H. Glatfelter Co.—Chillicothe | P0118907 | 07/20/15 | 03/04/16, 81 FR 11447 | Regional haze BART emissions limits. | ||||
| RFD Beaufort, Inc | P0127562 | 3/25/2025 | 3/23/2026, 91 FR 13773 | Only paragraphs C.1.b)(1)c. and C.1.b)(2)c. | ||||
| Reilly Industries, Inc | DFFO | 8/18/1995 | 4/25/1996, 61 FR 18255 | |||||
| Ross Incineration | P0137637 | 7/31/2025 | 6/26/26, 91 FR 28521 | Only sections C.1.b)(1)k., C.1.b)(1)l., C.1.b)(2)k., C.1.b)(2)l., C.1.c)(19), C.1.d)(54), C.1.e)(20), C.1.f)(1)f. | ||||
| Smallwood | P0130909 | 11/10/2021 | 1/20/2026, 90 FR 2308 | Only sections C.1.b)(1)e., C.1.b)(2)b., C.1.c)(3), C.1.d)(7) and C.1.e)(5). | ||||
| Sprayon Products, Inc | DFFO | 8/18/1995 | 4/25/1996, 61 FR 18255 | |||||
| T&B Foundry Company | DFFO | 7/10/1995 | 5/6/1996, 61 FR 20139 | |||||
| Tyson Foods | P0137384 | 6/11/2025 | 6/26/26, 91 FR 28521 | Only sections B.3., C.1.(b)(1)d., C.1.c)(3), C.1.d)(4), C.1.e)(3), C.1.f)(3), C.2.b)(1)d., C.2.c)(3), C.2.d)(4), C.2.e)(3), C.2.f)(3), C.3.b)(1)d., C.3.c)(2), C.3.d)(5), C.3.e)(3), C.3.f)(3), C.4.b)(1)d., C.4.c)(3), C.4.d)(5), C.4.e)(3), C.4.f)(3), C.5.b)(1)d., C.5.c)(3), C.5.d)(5), C.5.e)(3), C.5.f)(2)b. [that follows C.5.f)(2)h.] C.6.b)(1)d., C.6.c)(3), C.6.d)(4), C.6.e)(3), C.6.f)(3), C.7.b)(1)d., C.7.c)(3), C.7.d)(4), C.7.e)(3), and C.7.f)(3). | ||||
| United Ready Mix | DFFO | 7/10/1995 | 5/6/1996, 61 FR 20139 | |||||
| Valgroup | P0133504 | 7/18/2023 | 4/17/2025, 90 FR 16088 | Only paragraphs C.2.b)(1), C.2.b)(1)d., C.2.b)(2), C.2.b)(2)d., C.2.d), C.2.d)(1), C.2.e), and C.2.e)(2). | ||||
| Wheeling-Pittsburg Steel Corporation | DFFO | 10/31/1995 | 6/12/1996, 61 FR 29662 |
(e) EPA approved nonregulatory and quasi-regulatory provisions.
| Title | Applicable geographical or non-attainment area | State date | EPA approval | Comments |
|---|---|---|---|---|
| Legislative Provisions | ||||
| Authority to Require NSR Permits | Statewide | 1/25/1982 | ORC 3704.03 (F). | |
| Local Permits for Burning Construction Debris | Statewide | 7/15/1985 | ORC 3704.11 (C). | |
| Ohio EPA Authority | Statewide | 1/25/1982 | ORC 3704 (summary). | |
| Requirements for Board Members | Statewide | 1/25/1982 | ORC 102 (summary). | |
| Definition of Air Contaminant | Statewide | ORC 3704.01 (B); submitted 8/26/1982. | ||
| 2015 Ozone Clean Data Determination | Cleveland area (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, Summit Counties) | N/A | 5/14/2026, 91 FR 27211 | EPA's final determination suspends requirements for Ohio EPA to submit an attainment demonstration and other associated nonattainment planning requirements for the Cleveland area for as long as the area continues to attain the 2015 ozone NAAQS. |
| Summary of Criteria Pollutant Attainment Plans | ||||
| Ozone (8-Hour, 2015) | Cincinnati | 7/24/2020 | 3/3/2021, 86 FR 12270 | EPA is approving only the 2014 base year emissions inventory and emissions statement elements. |
| Ozone (8-Hour, 2015) | Cleveland | 12/21/2022 | 7/7/2025, 90 FR 29742 | EPA is approving only the 2017 base year emissions inventory, the reasonable further progress demonstration including associated 2023 motor vehicle emissions budgets, I/M, and nonattainment new source review. |
| PM2.5 (2012) | Cleveland | 10/14/2016 | 9/6/2018, 83 FR 45193 | EPA is approving the following elements: the base year 2011 emissions inventory; the demonstration of attainment for 2021; current controls as meeting RACM requirements. |
| SO2 (2010) | Lake County | 2/16/2017 | 2/14/2019, 84 FR 3986 | EPA is approving the following plan elements: The emission inventory; the demonstration of attainment; and revised emission limits as meeting RACM requirements. |
| SO2 (2010) | Muskingum River | 5/24/2023 | 9/8/2023, 88 FR 61969 | |
| SO2 (2010) | Steubenville | 6/25/2019 | 10/22/2019, 84 FR 56385 | |
| Summary of Criteria Pollutant Maintenance Plan | ||||
| Ozone 1-Hour | Cincinnati (Butler, Clermont, Hamilton, and Warren Counties) | 6/28/1999 | 7/5/2000, 65 FR 37879 | |
| Ozone 1-Hour | Columbiana County | 3/25/1994 | 3/10/1995, 59 FR 48395 | |
| Ozone 1-Hour | Columbus (Franklin, Delaware and Licking Counties) | 1/1/1994 | 4/1/1996, 61 FR 3591 | |
| Ozone 1-Hour | Dayton-Springfield (Miami, Montgomery, Clark, and Greene Counties) | 11/8/1993 | 7/5/1995, 60 FR 22289 | |
| Ozone 1-Hour | Jefferson County | 3/25/1994 | 3/10/1995, 58 FR 66334 | |
| Ozone 1-Hour | Youngstown (Mahoning and Trumbull Counties) and Canton (Stark County) | 3/25/1994 | 4/1/1996, 61 FR 3319 | |
| Ozone (8-Hour, 1997) | Canton (Stark County) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Cincinnati (Butler, Clermont, Clinton, Hamilton, and Warren Counties) | 12/14/2009 | 5/11/2010, 75 FR 26118 | |
| Ozone (8-Hour, 1997) | Cleveland (Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit Counties) | 3/17/2009 | 9/15/2009, 74 FR 47414 | |
| Ozone (8-Hour, 1997) | Columbus (Delaware, Fairfield, Franklin, Knox, Licking, and Madison Counties) | 3/17/2009 | 9/15/2009, 74 FR 47404 | |
| Ozone (8-Hour, 1997) | Dayton-Springfield (Miami, Montgomery, Clark, and Greene Counties) | 4/12/2019 | 10/1/2019, 84 FR 52001 | |
| Ozone (8-Hour, 1997) | Lima (Allen County) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Parkersburg-Marietta (Washington County) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Steubenville-Weirton (Jefferson County) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Toledo (Lucas and Wood Counties) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Wheeling (Belmont County) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 1997) | Youngstown (Columbiana, Mahoning and Trumbull Counties) | 4/12/2019 | 11/19/2019, 84 FR 63806 | |
| Ozone (8-Hour, 2008) | Cincinnati (Butler, Clermont, Clinton, Hamilton, and Warren Counties) | 11/6/2024 | 2/12/2026, 91 FR 6517 | 2nd maintenance plan. Conformity Budgets 2037 [tons/day] Ohio and Indiana: VOC 11.01; NOX 9.32 |
| Ozone (8-Hour, 2008) | Cleveland-Akron-Lorain (Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit Counties) | 11/6/2024 | 2/12/2026, 91 FR 6517 | 2nd maintenance plan. Conformity Budgets 2037 [tons/day] VOC 14.73; NOX 12.24 |
| Ozone (8-Hour, 2008) | Columbus (Delaware, Fairfield, Franklin, Knox, Licking, and Madison Counties) | 11/6/2024 | 2/12/2026, 91 FR 6517 | 2nd maintenance plan. Conformity Budgets 2036 [tons/day] VOC 13.74; NOX 7.59 |
| Ozone (8-Hour, 2015) | Columbus (Delaware, Fairfield, Franklin, and Licking Counties | 4/23/2019 | 8/21/2019, 84 FR 43508 | |
| Ozone (8-Hour, 2015) | Cincinnati (Butler, Clermont, Hamilton, and Warren Counties) | 12/21/2021 | 6/9/2022, 87 FR 35104 | EPA is approving the following elements: a determination that the Cincinnati area has attained the 2015 8-Hour ozone standard, a maintenance plan for the 2015 a8-Hour ozone NAAQS, 2026 and 2035 VOC and NOX motor vehicle emission budgets for the Cincinnati area. |
| Ozone (8-hour, 2015) | Cleveland (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit Counties) | 12/8/2025 | 6/29/2026, 91 FR 39019 | |
| PM-10 | Cuyahoga and Jefferson Counties | 5/22/2000 | 1/10/2001, 65 FR 77308 | |
| PM2.5 (1997) | Canton (Stark County) | 6/26/2012 | 10/22/2013, 78 FR 62459 | |
| PM2.5 (1997) | Cincinnati (Butler, Clermont, Hamilton, and Warren Counties) | 1/25/2011 | 12/23/2011, 76 FR 80253 | |
| PM2.5 (1997) | Cleveland (Ashtabula, Cuyahoga, Lake, Lorain, Medina, Portage, and Summit Counties) | 10/5/2011 | 9/18/2013, 78 FR 57270 | |
| PM2.5 (1997) | Columbus (Coshocton, Delaware, Fairfield, Franklin, and Licking Counties) | 6/3/2011 | 11/7/2013, 78 FR 66845 | |
| PM2.5 (1997) | Dayton-Springfield (Clark, Greene, and Montgomery Counties) | 6/1/2011 | 9/26/2013, 78 FR 59258 | |
| PM2.5 (1997) | Huntington-Ashland (Adams, Gallia, Lawrence, and Scioto Counties) | 5/4/2011 | 12/31/2012, 77 FR 76883 | |
| PM2.5 (1997) | Parkersburg-Marietta (Washington County) | 2/29/2012 | 8/29/2013, 78 FR 53275 | |
| PM2.5 (1997) | Steubenville-Weirton (Jefferson County) | 4/16/2012 | 9/18/2013, 78 FR 57273 | |
| PM2.5 (1997) | Wheeling (Belmont County) | 4/16/2012 | 8/29/2013, 78 FR 53275 | |
| PM2.5 (2006) | Canton (Stark County) | 9/8/2021 | 1/22/2024, 89 FR 3889 | 2nd maintenance plan. |
| PM2.5 (2006) | Cleveland (Cuyahoga, Lake, Lorain, Medina, Portage, and Summit Counties) | 9/8/2021 | 1/22/2024, 89 FR 3889 | 2nd maintenance plan. |
| PM2.5 (2006) | Steubenville-Weirton (Jefferson County) | 9/8/2021 | 1/22/2024, 89 FR 3889 | 2nd maintenance plan. |
| PM2.5 (2012) | Cleveland | 7/24/2018 | 4/12/2019, 84 FR 14881 | EPA is approving the following elements: a determination that the Cleveland area has attained the 2012 annual PM2.5 standard, a maintenance plan for the 2012 annual PM2.5 NAAQS, 2022 and 2030 primary PM2.5 and NOX MVEBs for the Cleveland area. |
| SO2 (1971) | Center Township (Morgan County) and Waterford Township (Washington County) | 6/25/1992 | 9/21/1994, 59 FR 48403 | |
| SO2 (1971) | Lake County and Steubenville/Mingo Junction (Jefferson County) | 10/26/1995 | 8/30/1999, 64 FR 47113 | |
| SO2 (1971) | Franklin Township (Coshocton County), Addison Township (Gallia County), and Lorain County | 3/20/2000 | 6/5/2000, 65 FR 35577 | |
| SO2 (1971) | Cuyahoga and Lucas Counties | 9/27/2003 | 7/8/2004, 69 FR 41342 | |
| SO2 (2010) | Campbell-Clermont (Pierce Township in Clermont County) | 11/07/2024 | 7/16/2025, 90 FR 31872 | 2nd Maintenance Plan. |
| SO2 (2010) | Lake County | 4/9/2018 | 5/14/2019, 84 FR 21253 | |
| SO2 (2010) | Steubenville OH-WV (partial Jefferson County) | 6/25/2019 | 11/29/2019, 84 FR 65683 | |
| SO2 (2010) | Muskingum River | 3/31/2025 | 4/2/2026, 91 FR 16558 | |
| CO (1979) | Cleveland (Cuyahoga County) | 10/20/2005 | 6/1/2006, 71 FR 31097 | |
| Lead (2008) | Bellefontaine (Logan County) | 10/29/2013 | 7/28/2014, 79 FR 43655 | Includes approval of the 10/29/2013 emissions inventory. |
| Lead (2008) | Cleveland (partial Cuyahoga County) | 6/29/2016 | 5/31/2017, 82 FR 24871 | Includes approval of the 2013 lead base year emissions inventory and emission limits and PMP as RACM for the Ferro facility. |
| Lead (2008) | Delta (partial Fulton County) | 4/27/2017 | 3/13/2018, 83 FR 10796 | Includes approval of the 2013 lead base year emissions inventory and Preventative Maintenance Plan as RACM/RACT for the Bunting Bearing LLC Delta facility. |
| Infrastructure Requirements | ||||
| Section 110(a)(2) infrastructure requirements for the 1997 8-hour ozone NAAQS | Statewide | 12/5/2007 | 7/13/2011, 76 FR 41075 | Fully approved for all CAA elements except 110(a)(2)(D)(I), which has been remedied with a FIP. |
| Section 110(a)(2) infrastructure requirements for the 1997 PM2.5 NAAQS | Statewide | 12/5/2007 | 7/13/2011, 76 FR 41075 | Fully approved for all CAA elements except 110(a)(2)(D)(I), which has been remedied with a FIP. |
| Section 110(a)(2) infrastructure requirements for the 2006 PM2.5 NAAQS | Statewide | 9/4/2009 | 5/10/2018, 83 FR 21719 | Fully approved for all CAA elements except 110(a)(2)(D)(I), which has been disapproved and remedied with a FIP. |
| Section 110(a)(2) infrastructure requirements for the 2008 lead NAAQS | Statewide | 10/12/2011 | 10/6/2014, 79 FR 60075 | Fully approved for all CAA elements. |
| Section 110(a)(2) infrastructure requirements for the 2008 ozone NAAQS | Statewide | 12/27/2012 | 5/10/2018, 83 FR 21719 | Fully approved for all CAA elements except 110(a)(2)(D)(I), which has been disapproved and remedied with a FIP. |
| Section 110(a)(2) infrastructure requirements for the 2010 NO2 NAAQS | Statewide | 2/8/2013 | 5/10/2018, 83 FR 21719 | Fully approved for all CAA elements. |
| Section 110(a)(2) infrastructure requirements for the 2010 SO2 NAAQS | Statewide | 6/7/2013 | 5/10/2018, 83 FR 21719 | No action has been taken on 110(a)(2)(D)(I). All other CAA elements have been approved. |
| Section 110(a)(2)(D) infrastructure requirements for the 2012 PM2.5 NAAQS | Statewide | 12/4/2015 | 5/10/2018, 83 FR 21719 | Fully approved for all CAA elements. |
| Section 110(a)(2) infrastructure requirements for the 2015 ozone NAAQS | Statewide | 9/28/2018 | 2/13/2023, 88 FR 9336 | Approved CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II) prongs 3 and 4, (E), (F), (G), (H), (J), (K), (L), and (M). Elements (D)(i)(I) prongs 1 and 2 are disapproved. |
| Summary of Plan Element | ||||
| Particulate Matter (PM-10) Plan | Statewide | 11/14/1991 | 6/27/1994, 59 FR 27464 | |
| Summary of the 15 Percent (%) Rate of Progress (ROP) Plan Control Measures for Volatile Organic Compounds (VOC) Emissions | ||||
| Cincinnati 15% Plan | Cincinnati (Butler, Clermont, Hamilton, and Warren Counties) | 3/19/1994 | 3/30/1998, 63 FR 4188 | |
| Visibility Protection | ||||
| Regional Haze Plan | Statewide | 11/30/2016 | 5/10/2018, 83 FR 21719 | Full Approval. |
| Regional Haze Five-Year Progress Report | Statewide | 3/11/2016 | 12/21/2017, 82 FR 60543 | |
| Regional Haze Plan for the Second Implementation Period | Statewide | 7/30/2021, 8/6/2024, and 6/16/2025 | 7/8/2025, 90 FR 29993 | Full Approval. |
Notes of Decisions
Cited in 6
cases (2 in the last 5 years), 2009–2024 · leading case: Sierra Club v. Korleski, 681 F.3d 342 (6th Cir. 2012).
Sierra Club v. Korleski, 681 F.3d 342 (6th Cir. 2012). “See 40 C.F.R. § 52.1870 . The SIP prohibits "new source" air polluters in Ohio from installing or modifying an emissions source without first obtaining a permit from the Director of the Ohio EPA.”
City of Fairborn, Ohio v. United States Env't Prot. Agency (S.D. Ohio 2023). “Code 3745 -31-01; 40 C.F.R. § 52.1870 (c). According to the Citizens, it can irritate the nose, eyes, and lungs, causing spasms and asphyxiation.”
Sierra Club v. KORLESKI, 654 F. Supp. 2d 722 (S.D. Ohio 2009). “EPA and incorporated by reference into the Code of Federal Regulations at 40 C.F.R. § 52.1870 . The federally approved Ohio SIP includes the *726 requirement that new or modified air contaminant sources employ BAT to reduce air emissions.”
Protecting Air for Waterville v. Ohio EPA (6th Cir. 2019). “§ 7661 (4); 40 C.F.R. § 52.1870 ; 15 U.S.C. § 717b(d)(2).”
Harris v. Mackey (N.D. Ohio 2024). “See 40 C.F.R. § 52.1870 (Ohio’s SIP). If a State does not enforce its SIP, EPA can choose to enforce the SIP against violators by issuing an order to comply with the SIP, imposing an administrative penalty, or bringing a civil action to force compliance.”
Sierra Club v. Korleski, 716 F. Supp. 2d 699 (S.D. Ohio 2010). “EPA and incorporated by reference into the Code of Federal Regulations at 40 C.F.R. § 52.1870 . The federally approved Ohio SIP includes the requirement that new or modified air contaminant sources employ BAT to reduce air emissions.”
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