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  2. Air Quality Implementation Plans

EPA Approved Regulations in the Ohio SIP

Ohio citationTitle/SubjectOhio
effective
date
EPA Approval
date
Notes
Chapter 3745-14 Nitrogen Oxides - Reasonably Available Control Technology Ohio Chapter 3745-14 Nitrogen Oxides—Reasonably Available Control Technology (pdf) (385.23 KB)
3745-14-01Definitions and General Provisions8/22/20194/8/2020, 85 FR 19670 
3745-14-03Permit Requirements1/29/20189/17/2019, 84 FR 48789 
3745-14-04Compliance Certification8/22/20194/8/2020, 85 FR 19670 
3745-14-08Monitoring and Reporting8/22/20194/8/2020, 85 FR 19670 
3745-14-11Portland Cement Kilns7/18/20028/5/2003, 68 FR 46089 
3745-14-12Stationary Internal Combustion Engines5/7/20052/4/2008, 73 FR 6427 
Chapter 3745-15 General Provisions on Air Pollution Control Chapter 3745-15 General Provisions on Air Pollution Control (pdf) (152.12 KB)
3745-15-01Definitions1/22/20095/10/2010, 75 FR 25770 
3745-15-02Purpose1/25/198010/1/1982, 47 FR 43375 
3745-15-03Submission of Emission Information6/30/20082/20/2013, 78 FR 11748Only (A).
3745-15-04Measurement of Emissions of Air Contaminants1/25/198010/1/1982, 47 FR 43375 
3745-15-05De Minimis Air Contaminant Source Exemption1/22/20095/10/2010, 75 FR 25770 
3745-15-06Malfunction of Equipment; Scheduled Maintenance; Reporting1/25/198010/1/1982, 47 FR 43375 
3745-15-08Circumvention1/25/198010/1/1982, 47 FR 43375 
3745-15-09Severability1/25/198010/1/1982, 47 FR 43375 
Chapter 3745-16 Stack Height Requirements Ohio Chapter 3745-16 Stack Height Requirements (pdf) (30.33 KB)
3745-16-01Definitions3/5/19868/25/1988, 53 FR 32392 
3745-16-02Good Engineering Practice Stack Height Requirements3/5/19868/25/1988, 53 FR 32392 
Chapter 3745-17 Particulate Matter Standards Chapter 3745-17 Particulate Matter Standards (pdf) (2.84 MB)
3745-17-01Definitions1/20/20185/24/2019, 84 FR 24034 
3745-17-03Measurement Methods and Procedures1/20/20185/24/2019, 84 FR 24034Except 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”.
3745-17-04Compliance Time Schedules1/20/20185/24/2019, 84 FR 24034. 
3745-17-07Control of Visible Particulate Emissions from Stationary Sources1/20/20185/24/2019, 84 FR 24034. 
3745-17-08Restriction of Emission of Fugitive Dust1/20/20185/24/2019, 84 FR 24034. 
3745-17-09Restrictions on Particulate Emissions and Odors from Incinerators1/20/20185/24/2019, 84 FR 24034. 
3745-17-10Restrictions on Particulate Emissions from Fuel-burning Equipment1/20/20185/24/2019, 84 FR 24034. 
3745-17-11Restrictions on Particulate Emissions from Industrial Processes1/20/20185/24/2019, 84 FR 24034. 
3745-17-12Additional Restrictions on Particulate Emissions from Specific Air Contaminant Sources in Cuyahoga County1/20/20185/24/2019, 84 FR 24034. 
3745-17-13Additional Restrictions on Particulate Emissions from Specific Air Contaminant Sources in Jefferson County1/20/20185/24/2019, 84 FR 24034. 
3745-17-14Contingency Plan Requirements for Cuyahoga and Jefferson Counties1/20/20185/24/2019, 84 FR 24034. 
Chapter 3745-18 Sulfur Dioxide Regulations Chapter 3745-18 Sulfur Dioxide Regulations (pdf) (1.44 MB)
3745-18-01Definitions and Incorporation by Reference2/16/201710/11/2018, 83 FR 51361 
3745-18-03Compliance Time Schedules7/5/201910/22/2019, 84 FR 56385 
3745-18-04Measurement Methods and Procedures3/21/20001/31/2002, 67 FR 4669Only (D)(9)(c).
3745-18-04Measurement Methods and Procedures7/5/201910/22/2019, 84 FR 56385Except (D)(2), (D)(3), (D)(5), (D)(6), (D)(9)(c), (E)(2), (E)(3), and (E)(4).
3745-18-05Ambient and Meteorological Monitoring Requirements2/16/201710/11/2018, 83 FR 51361 
3745-18-06General Emission Limit Provisions2/17/201111/19/2013, 78 FR 69299 
3745-18-07Adams County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-08Allen County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-09Ashland County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-10Ashtabula County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-11Athens County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-12Auglaize County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-13Belmont County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-14Brown County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-15Butler County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-16Carroll County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-17Champaign County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-18Clark County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-19Clermont County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-20Clinton County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-21Columbiana County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-22Coshocton County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-23Crawford County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-24Cuyahoga County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-25Darke County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-26Defiance County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-27Delaware County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-28Erie County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-29Fairfield County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-30Fayette County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-31Franklin County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-32Fulton County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-33Gallia County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-34Geauga County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-35Greene County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-36Guernsey County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-37Hamilton County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-38Hancock County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-39Hardin County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-40Harrison County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-41Henry County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-42Highland County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-43Hocking County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-44Holmes County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-45Huron County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-46Jackson County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-47Jefferson County Emission Limits7/5/201910/22/2019, 84 FR 56385 
3745-18-48Knox County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-49Lake County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-50Lawrence County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-51Licking County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-52Logan County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-53Lorain County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-54Lucas County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-55Madison County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-56Mahoning County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-57Marion County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-58Medina County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-59Meigs County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-60Mercer County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-61Miami County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-62Monroe County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-63Montgomery County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-64Morgan County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-65Morrow County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-66Muskingum County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-67Noble County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-68Ottawa County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-69Paulding County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-70Perry County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-71Pickaway County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-72Pike County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-73Portage County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-74Preble County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-75Putnam County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-76Richland County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-77Ross County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-78Sandusky County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-79Scioto County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-80Seneca County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-81Shelby County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-82Stark County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-83Summit County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-84Trumbull County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-85Tuscarawas County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-86Union County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-87Van Wert County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-88Vinton County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-89Warren County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-90Washington County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-91Wayne County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-92Williams County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-93Wood County Emission Limits2/16/201710/11/2018, 83 FR 51361 
3745-18-94Wyandot County Emission Limits2/16/201710/11/2018, 83 FR 51361 
Chapter 3745-19 Open Burning Standards Chapter 3745-19 Open Burning Standards (pdf) (154.74 KB)
3745-19-01Definitions4/30/20186/24/2019, 84 FR 29378 
3745-19-02Relations to Other Prohibitions7/7/20063/21/2008, 73 FR 15081 
3745-19-03Open burning in restricted areas4/30/20186/24/2019, 84 FR 29378 
3745-19-04Open burning in unrestricted areas4/30/20186/24/2019, 84 FR 29378 
3745-19-05Permission to individuals and notification to the Ohio EPA4/30/20186/24/2019, 84 FR 29378 
Chapter 3745-21 Carbon Monoxide, Ozone, Hydrocarbon Air Quality Standards, and Related Emission Requirements Chapter 3745-21 Carbon Monoxide, Ozone, Hydrocarbon Air Quality Standards, and Related Emission Requirements (pdf) (2.79 MB)
3745-21-01Definitions and incorporation by reference10/15/20159/8/2017, 82 FR 42451 
3745-21-02Ambient air quality standards and guidelines8/25/20087/28/2009, 74 FR 37171 
3745-21-03Methods of ambient air quality measurement10/15/20159/8/2017, 82 FR 42451 
3745-21-04Compliance time schedules10/15/20159/8/2017, 82 FR 42451 
3745-21-06Classification of regions8/25/20087/28/2009, 74 FR 37171 
3745-21-07Control of emissions of organic materials from stationary sources (i.e., emissions that are not regulated by rule 3745-21-09, 3745-21-12, 3745-21-13, 3745-21-14, 3745-21-15, 3745-21-16, or 3745-21-18 of the administrative code)2/18/20088/19/2011, 76 FR 51901 
3745-21-08Control of carbon monoxide emissions from stationary sources10/15/20159/8/2017, 82 FR 42451 
3745-21-09Control of emissions of volatile organic compounds from stationary sources and perchloroethylene from dry cleaning facilities2/16/201910/30/2020, 85 FR 68758 
3745-21-10Compliance test methods and procedures2/16/201910/30/2020, 85 FR 68758 
3745-21-12Control of volatile organic compound emissions from commercial bakery oven facilities10/15/20159/8/2017, 82 FR 42451 
3745-21-13Control of volatile organic compound emissions from reactors and distillation units employed in SOCMI chemical production10/15/20159/8/2017, 82 FR 42451 
3745-21-14Control of volatile organic compound emissions from process vents in batch operations10/15/20159/8/2017, 82 FR 42451 
3745-21-15Control of volatile organic compound emissions from wood furniture manufacturing operations10/15/20159/8/2017, 82 FR 42451 
3745-21-16Control of volatile organic compound emissions from industrial wastewater10/15/20159/8/2017, 82 FR 42451 
3745-21-17Portable fuel containers10/15/20159/8/2017, 82 FR 42451 
3745-21-18Commercial motor vehicle and mobile equipment refinishing operations10/15/20159/8/2017, 82 FR 42451 
3745-21-19Control of volatile organic compound emissions from aerospace manufacturing and rework facilities10/15/20159/8/2017, 82 FR 42451 
3745-21-20Control of volatile organic emissions from shipbuilding and ship repair operations (marine coatings)10/15/20159/8/2017, 82 FR 42451 
3745-21-21Storage of volatile organic liquids in fixed roof tanks and external floating roof tanks10/15/20159/8/2017, 82 FR 42451 
3745-21-22Control of volatile organic compound emissions from offset lithographic printing and letterpress printing facilities10/15/20159/8/2017, 82 FR 42451 
3745-21-23Control of volatile organic compound emissions from industrial solvent cleaning operations10/15/20159/8/2017, 82 FR 42451 
3745-21-24Flat wood paneling coatings10/15/20159/8/2017, 82 FR 42451 
3745-21-25Control of VOC emissions from reinforced plastic composites production operations2/16/201910/30/2020, 85 FR 68758 
3745-21-26Surface coating of miscellaneous metal and plastic parts2/16/201910/30/2020, 85 FR 68758 
3745-21-27Boat manufacturing10/15/20159/8/2017, 82 FR 42451 
3745-21-28Miscellaneous industrial adhesives and sealants2/16/201910/30/2020, 85 FR 68758 
3745-21-29Control of volatile organic compound emissions from automobile and light-duty truck assembly coating operations, and cleaning operations associated with these coating operations2/16/201910/30/2020, 85 FR 68758 
Chapter 3745-23 Nitrogen Oxide Standards Ohio Chapter 3745-23 Nitrogen Oxide Standards (pdf) (18.74 KB)
3745-23-01Definitions4/18/200910/26/2010, 75 FR 65572 
3745-23-02Methods of Measurement4/18/200910/26/2010, 75 FR 65572 
Chapter 3745-24 Nitrogen Oxide Emission Statements Ohio Chapter 3745-24 Nitrogen Oxide Emission Statements (pdf) (29.26 KB)
3745-24-01Definitions12/16/20059/27/2007, 72 FR 54844 
3745-24-02Applicability12/16/20059/27/2007, 72 FR 54844 
3745-24-03Deadlines for the Submission of the Emission Statements12/16/20059/27/2007, 72 FR 54844 
3745-24-04Emission Statement Requirements4/1/199410/13/1994, 59 FR 51863 
Chapter 3745-25 Emergency Episode Standards Ohio Chapter 3745-25 Emergency Episode Standards (pdf) (57.32 KB)
3745-25-01Definitions4/18/200910/26/2010, 75 FR 65572 
3745-25-02Ambient Air Quality Standards4/18/200910/26/2010, 75 FR 65572 
3745-25-03Air Pollution Emergencies and Episode Criteria8/21/200910/26/2010, 75 FR 65572 
3745-25-04Air Pollution Emergency Emission Control Action Programs4/18/200910/26/2010, 75 FR 65572 
3745-25-05Air Pollution Emergency Orders4/18/200910/26/2010, 75 FR 65572 
Chapter 3745-26 I/M Program Rules and Regulations Ohio Chapter 3745-26 I/M Program Rules and Regulations (pdf) (358.84 KB)
3745-26-01Definitions8/15/19961/6/1997, 62 FR 646 
3745-26-02Obligations of the Motor Vehicle Owner in the Anti-tampering and Basic Automobile Inspection and Maintenance Programs6/13/19944/4/1995, 60 FR 16989 
3745-26-03Inspection Station Licensing Procedure5/15/199012/17/1993, 58 FR 65933 
3745-26-04Licensed Inspection Station Requirements and Obligations5/15/199012/17/1993, 58 FR 65933 
3745-26-05Provisions for Qualification as a Class B Inspection Station5/15/199012/17/1993, 58 FR 65933 
3745-26-06Requirements for Certified Inspectors5/15/199012/17/1993, 58 FR 65933 
3745-26-07Suspension or Revocation of Inspection Station License or Inspector Certification5/15/199012/17/1993, 58 FR 65933 
3745-26-08Procedure for Station Change of Ownership, Name, or Location, or Cessation of Inspection Operation5/15/199012/17/1993, 58 FR 65933 
3745-26-09Fee System5/15/199012/17/1993, 58 FR 65933 
3745-26-10Requirements for Contractors in the Basic Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program6/13/19944/4/1995, 60 FR 16989 
3745-26-11Inspection Requirements5/15/199012/17/1993, 58 FR 65933 
3745-26-12Requirements for Motor Vehicle Owners in the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program8/15/19961/6/1997, 62 FR 646 
3745-26-13Requirements for Certified Inspectors in the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program6/13/19944/4/1995, 60 FR 16989 
3745-26-14Enforcement of Program Rules and Regulations for the Enhanced or Opt-in Enhanced Automobile Inspection and Maintenance Program6/13/19944/4/1995, 60 FR 16989 
Chapter 3745-31 Permit-to Install New Sources and Permit-to-Install and Operate Program Chapter 3745-31 Permit-to Install New Sources and Permit-to-Install and Operate Program (pdf) (1.11 MB)
3745-31-01Definitions3/20/20173/7/2019, 84 FR 8257Except for (I), (NN)(2)(b) and (c), (SSS)(1)(b), (CCCC)(2)(d) through (h), (QQQQ), (JJJJJ), and (BBBBBB).
3745-31-02Applicability, Requirements, and Obligations5/29/20146/25/2015, 80 FR 36477 
3745-31-03Exemptions and Permits-by-Rule5/1/20163/7/2019, 84 FR 8257Except for (B)(1)(p) and (C)(2)(c)(iii).
3745-31-04Applications5/29/20146/25/2015, 80 FR 36477 
3745-31-05Criteria for Decision by the Director5/1/20164/12/2019, 84 FR 14874Except for (E).
3745-31-06Completeness Determinations, Processing Requirements, Public Participation, Public Notice and Issuance5/1/20163/7/2019, 84 FR 8257 
3745-31-07Termination, Revocation, Expiration, Renewal, Revision and Transfer5/29/20146/25/2015, 80 FR 36477 
3745-31-08Registration Status Permit-to-operate5/29/20146/25/2015, 80 FR 36477 
3745-31-09Variances on Operation5/29/20146/25/2015, 80 FR 36477 
3745-31-10NSR Projects at Existing Emissions Units at a Major Stationary Source5/29/20146/25/2015, 80 FR 36477 
3745-31-11Attainment Provisions - Ambient Air Increments, Ceilings and Classifications5/1/20163/7/2019, 84 FR 8257 
3745-31-12Attainment Provisions - Data Submission Requirements5/29/20146/25/2015, 80 FR 36477 
3745-31-13Attainment Provisions - Review of Major Stationary Sources and Major Modifications, Stationary Source Applicability and Exemptions5/1/20163/7/2019, 84 FR 8257Except for (H)(1)(c).
3745-31-14Attainment Provisions - Pre-application Analysis5/1/20163/7/2019, 84 FR 8257 
3745-31-15Attainment Provisions - Control Technology Review5/29/20146/25/2015, 80 FR 36477 
3745-31-16Attainment Provisions - Major Stationary Source Impact Analysis5/29/201410/28/2014, 79 FR 64119 
3745-31-17Attainment Provisions - Additional Impact Analysis5/29/20146/25/2015, 80 FR 36477 
3745-31-18Attainment Provisions - Air Quality Models5/29/20146/25/2015, 80 FR 36477 
3745-31-19Attainment Provisions - Notice to the United States Environmental Protection Agency5/29/20146/25/2015, 80 FR 36477 
3745-31-20Attainment Provisions - Innovative Control Technology5/29/20146/25/2015, 80 FR 36477 
3745-31-21Nonattainment Provisions - Review of Major Stationary Sources and Major Modifications - Stationary Source Applicability and Exemptions5/29/20146/25/2015, 80 FR 36477 
3745-31-22Nonattainment Provisions - Conditions for Approval5/29/20146/25/2015, 80 FR 36477Except for (A)(3)(b).
3745-31-23Nonattainment provisions - stationary sources locating in designated clean or unclassifiable areas which would cause or contribute to a violation of a national ambient air quality standard5/29/20146/25/2015, 80 FR 36477Except for the 1-hour NO2 Significant Impact Level in the table in paragraph (A).
3745-31-24Nonattainment Provisions - Baseline for Determining Credit for Emission and Air Quality Offsets5/29/20146/25/2015, 80 FR 36477Except for (F).
3745-31-25Nonattainment provisions - location of offsetting emissions5/29/20146/25/2015, 80 FR 36477 
3745-31-26Nonattainment Provisions - Offset Ratio Requirements5/29/20146/25/2015, 80 FR 36477Except for (D).
3745-31-27Nonattainment Provisions - Administrative Procedures for Emission Offsets5/29/20146/25/2015, 80 FR 36477Except for (A)(1)(b).
3745-31-29General Permit-to-install and General PTIO5/29/20146/25/2015, 80 FR 36477 
3745-31-32Plantwide Applicability Limit (PAL)5/29/20146/25/2015, 80 FR 36477 
3745-31-34Permits to install for major stationary sources and major modifications of sources emitting greenhouse gases3/31/20112/14/2020, 85 FR 8406Except for (B), (C) and (D).
Chapter 3745-49 Miscellaneous Rules Chapter 3745-49 Miscellaneous Rules (pdf) (450.08 KB)
3745-49-01Administrative Procedures - applicability and construction of rules4/2/20124/23/2021, 86 FR 21648 
3745-49-02Administrative procedures - definitions4/2/20124/23/2021, 86 FR 21648 
3745-49-05Draft actions and proposed actions4/2/20124/23/2021, 86 FR 21648 
3745-49-06Issuance of final actions4/2/20124/23/2021, 86 FR 21648 
3745-49-07Public notice7/27/20194/23/2021, 86 FR 21648 
3745-49-08Contents of public notices4/2/20124/23/2021, 86 FR 21648 
Chapter 3745-101 Transportation Conformity Chapter 3745-101 Transportation Conformity (pdf) (157.04 KB)
3745-101-02Definitions2/16/19995/30/2000, 65 FR 34395 
3745-101-03Applicability, Priority, and Frequency of Conformity Determinations2/16/19995/30/2000, 65 FR 34395Only (A), (B), (C), (D), (G), (H), (I), (J), (K), and (L).
3745-101-14Procedures for Determining Regional Transportation-related Emissions2/16/19995/30/2000, 65 FR 34395 
3745-101-17Enforceability of Design Concept and Scope and Project-level Mitigation and Control Measures2/16/19995/30/2000, 65 FR 34395 
Chapter 3745-110 - Nitrogen Oxides - Reasonably Available Control Technology Chapter 3745-110 - Nitrogen Oxides - Reasonably Available Control Technology (pdf) (120.32 KB)
3745-110-03RACT requirements and/or limitations for emissions of NOX from stationary sources7/18/20139/8/2017, 82 FR 42451Only the NOX emission limitation on unit P046 contained in 3745-110-03(N).
3745-110-05Compliance methods7/18/20139/8/2017, 82 FR 42451Only (A). For purposes of demonstrating compliance with the NOX emission limitation on unit P046 contained in 3745-110-03(N).
Chapter 3745-112 Volatile Organic Compound Limits in Consumer Products Ohio Chapter 3745-112 Volatile Organic Compound Limits in Consumer Products (pdf) (181.05 KB)
3745-112-01Definitions9/15/20078/13/2009, 74 FR 40745 
3745-112-02Applicability9/15/20078/13/2009, 74 FR 40745 
3745-112-03Standards9/15/20078/13/2009, 74 FR 40745 
3745-112-04Exemptions9/15/20078/13/2009, 74 FR 40745 
3745-112-05Administrative Requirements9/15/20078/13/2009, 74 FR 40745 
3745-112-06Reporting Requirements9/15/20078/13/2009, 74 FR 40745 
3745-112-07Variances9/15/20078/13/2009, 74 FR 40745 
3745-112-08Test Methods9/15/20078/13/2009, 74 FR 40745 

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