EPA Approved Statutes and Regulations in the Kentucky SIP
About this website: This website does not necessarily represent the current version of the SIPs, TIPs, or FIPs. The official SIPs, TIPs, and FIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR). While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur. Please contact us using the link below if you find any errors in these files.
Updated as of: April 1, 2025
EPA Contact: EPA Region 4: Simone Jarvis (404-562-8393)
EPA-Approved Kentucky Laws and Regulations
| State citation | Title/subject | State effective date |
EPA approval date | Explanation |
|---|---|---|---|---|
| Chapter 50 Division for Air Quality; General Administrative Procedures | ||||
| 401 KAR 50:005 | General application | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 50:010 | Definitions and abbreviations of terms used in Title 401 Chapters 50, 51, 53, 55, 57, 59, 61, 63, and 65 | 11/8/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 50:012 | General application | 11/12/1997 | 7/24/1998, 63 FR 39739 | |
| 401 KAR 50:015 | Documents incorporated by reference | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 50:020 | Air quality control regions | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 50:025 | Classification of counties | 6/1/1983 | 4/2/1996, 61 FR 14489 | |
| 401 KAR 50:030 | Registration of sources | 6/6/1979 | 7/12/1982, 47 FR 30059. | |
| 401 KAR 50:040 | Air quality models | 6/6/1979 | 7/12/1982, 47 FR 30059. | |
| 401 KAR 50:042 | Good engineering practice stack height | 6/10/1986 | 9/4/1987,52 FR 33592. | |
| 401 KAR 50:045 | Performance tests | 7/13/2005 | 10/17/2007, 72 FR 58759 | |
| 401 KAR 50:047 | Test procedures for capture efficiency | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 50:050 | Monitoring | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 50:055 | General compliance requirements | 9/22/1982 | 12/4/1986, 51 FR 43742 | Except for Section 1(1) and 1(4), which were removed from the SIP by EPA on 8/11/2022. |
| 401 KAR 50:060 | Enforcement | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 50:065 | Conformity of general federal actions | 10/11/1995 | 7/27/1998, 63 FR 40044 | |
| 401 KAR 50:066 | Conformity of transportation plans, programs, and projects (Amendment) | 11/12/2008 | 4/21/2010 75 FR 20780 |
|
| Chapter 51 Attainment and Maintenance of the National Ambient Air Quality Standards | ||||
| 401 KAR 51:001 | Definitions for 401 KAR Chapter 51 | 12/7/2012 | 11/3/2014, 79 FR 65143 | Except the phrase “except ethanol production facilities producing ethanol by natural fermentation under the North American Industry Classification System (NAICS) codes 325193 or 312140” in 401 KAR 51:001 Section (118)(1)(b)(i) and the phrase “except ethanol production facilities producing ethanol by natural fermentation under NAICS codes 325193 or 312140” in 401 KAR 51:001 Section 1(118)(2)(c)(20). |
| 401 KAR 51:005 | Purpose and general provisions | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 51:010 | Attainment status Designations | 6/9/2022 | 6/3/2024, 89 FR 47468 | |
| 401 KAR 51:017 | Prevention of significant deterioration of air quality | 12/7/2012 | 11/3/2014, 79 FR 65143 | With the exception of the SILs and SMC provisions for PM2.5, and except the phrase “except ethanol production facilities producing ethanol by natural fermentation under the North American Industry Classification System (NAICS) codes 325193 or 312140” in 401 KAR 51:017 Section 7(1)(c)20. |
| 401 KAR 51:052 | Review of new sources in or impacting upon nonattainment areas | 12/7/2012 | 10/8/2015, 80 FR 60805 | With the exception of the SILs and SMC provisions for PM2.5, and except the phrase “except ethanol production facilities producing ethanol by natural fermentation under the North American Industry Classification System (NAICS) codes 325193 or 312140” in 401 KAR 51:052 Section 2 (3)(t). |
| 401 KAR 51:150 | NOX requirements for stationary internal combustion engines | 2/3/2006 | 10/23/2009, 74 FR 54755 | |
| 401 KAR 51:160 | NOX requirements for large utility and industrial boilers | 2/3/2006 | 10/23/2009, 74 FR 54755 | |
| 401 KAR 51:170 | NOX requirements for cement kilns | 8/15/2001 | 4/11/2002, 67 FR 17624 | |
| 401 KAR 51:180 | NOX credits for early reduction and emergency | 8/15/2001 | 4/11/2002, 67 FR 17624 | |
| 401 KAR 51:190 | Banking and trading NOX allowances | 8/15/2001 | 4/11/2002, 67 FR 17624 | |
| 401 KAR 51:195 | NOX opt-in provisions | 8/15/2001 | 4/11/2002, 67 FR 17624 | |
| 401 KAR 51.210 | CAIR NOX Annual Trading Program | 2/2/2007 | 10/4/2007, 72 FR 56623 | |
| 401 KAR 51.220 | CAIR NOX Ozone Season Trading Program | 6/13/2007 | 10/4/2007, 72 FR 56623 | |
| 401 KAR 51.230 | CAIR SO2 Trading Program | 2/2/2007 | 10/4/2007, 72 FR 56623 | |
| 401 KAR 51.240 | Cross-State Air Pollution Rule (CSAPR) NOX annual trading program | 7/5/2018 | 2/10/2020, 85 FR 7449 | |
| 401 KAR 51.260 | Cross-State Air Pollution Rule (CSAPR) SO2 group 1 trading program | 7/5/2018 | 2/10/2020, 85 FR 7449 | |
| Chapter 52 Permits, Registrations, and Prohibitory Rules | ||||
| 401 KAR 52:001 | Definitions for 401 KAR Chapter 52 | 11/18/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 52:020 | Title V permits | 1/15/2001 | 1/28/2016, 81 FR 4896 | Only adding the first sentence of Section 22 entitled “Annual Emissions Certification”, and introductory paragraph text and subsection (4) of Section 23 entitled “Certification by Responsible Official”. |
| 401 KAR 52:030 | Federally enforceable permits for non-major sources | 1/15/2001 | 9/6/2006, 71 FR 52464 | |
| 401 KAR 52:040 | State-origin permits | 1/15/2001 | 1/28/2016, 81 FR 4896 | Only adding subsection (2) introductory text, subsection (2)(c), and subsection (3) of Section 3 entitled “General Provisions”; subsection (1) of Section 20 entitled “Annual Emissions Certification for Specified Sources”; and introductory text and subsection (4) of Section 21 entitled “Certification by Responsible Official”. |
| 401 KAR 52:070 | Registration of designated sources | 1/15/2001 | 1/28/2016, 81 FR 4896 | Only adding subsection (2) introductory text, subsection (2)(a)(1), and first sentence of subsection (2)(a)(2) of Section 3 entitled “General Provisions”. |
| 401 KAR 52:090 | Prohibitory rule for hot mix asphalt plants | 1/15/2001 | 9/6/2006, 71 FR 52464 | |
| 401 KAR 52:100 | Public, affected state, and U.S. EPA review | 6/2/2020 | 10/1/2021, 86 FR 54379 | |
| Chapter 53 Ambient Air Quality | ||||
| 401 KAR 53:005 | General provisions | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 53:010 | Ambient air quality standards | 7/9/2016 | 9/12/2017, 82 FR 42746 | Except for references to hydrogen sulfide, fluorides, and odor. |
| Chapter 55 Emergency Episodes | ||||
| 401 KAR 55:005 | Significant harm criteria | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 55:010 | Episode criteria | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 55:015 | Episode declaration | 6/6/1979 | 1/25/1980, 45 FR 6092 | |
| 401 KAR 55:020 | Abatement strategies | 6/6/1979 | 1/25/1980, 45 FR 6092 | |
| Chapter 59 New Source Standards | ||||
| 401 KAR 59:001 | Definitions for abbreviations of terms used in the Title 401, Chapter 59 | 11/18/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 59:005 | General provisions | 12/1/1982 | 12/4/1986, 51 FR 43742 | |
| 401 KAR 59:010 | New process operations | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 59:015 | New indirect heat exchangers | 1/7/1981 | 3/22/1983, 48 FR 11945 | |
| 401 KAR 59:020 | New incinerators | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 59:046 | Selected new petroleum refining processes and equipment | 6/29/1979 | 8/7/1981, 46 FR 40188 | |
| 401 KAR 59:050 | New storage vessels for petroleum liquids | 2/4/1981 | 3/30/1983, 48 FR 13168 | |
| 401 KAR 59:080 | New kraft (sulfate) pulp mills | 6/6/1979 | 1/25/1980, 45 FR 6092 | |
| 401 KAR 59:085 | New sulfite pulp mills | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 59:090 | New ethylene producing plants | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 59:095 | New oil-effluent water separators | 6/29/1979 | 8/7/1981, 46 FR 40188 | |
| 401 KAR 59:101 | New bulk gasoline plants | 9/28/1994 | 6/28/1996, 61 FR 33674 | |
| 401 KAR 59:105 | New process gas streams | 4/7/1982 | 3/22/1983, 48 FR 11945 | |
| 401 KAR 59:174 | Stage II controls at gasoline dispensing facilities | 5/3/2016 | 10/14/2106, 81 FR 70966 | |
| 401 KAR 59:175 | New service stations | 2/8/1993 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:185 | New solvent metal cleaning equipment | 1/4/2005 | 10/4/2005, 70 FR 57750 | |
| 401 KAR 59:190 | New insulation of magnet wire operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:210 | New fabric, vinyl and paper surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:212 | New graphic arts facilities using rotogravure and flexography | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:214 | New factory surface coating operations of flat wood paneling | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:225 | New miscellaneous metal parts and products surface coating operation | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:230 | New synthesized pharmaceutical product manufacturing operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:235 | New pneumatic rubber tire manufacturing plants | 2/4/1981 | 3/30/1983, 48 FR 13168 | |
| 401 KAR 59:240 | New perchloroethylene dry cleaning systems | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:315 | Specific new sources | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 59:760 | Commercial Motor Vehicle and Mobile Equipment Refinishing Operations | 3/11/2005 | 10/4/2005, 70 FR 57750 | |
| Chapter 61 Existing Source Standards | ||||
| 401 KAR 61:001 | Definitions for 401 KAR Chapter 61 | 11/18/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 61:005 | General provisions | 12/1/1982 | 5/4/1989, 54 FR 19169 | |
| 401 KAR 61:010 | Existing incinerators | 6/6/1979 | 5/4/1989, 54 FR 19169 | |
| 401 KAR 61:015 | Existing indirect heat exchangers | 6/1/1983 | 4/2/1996, 61 FR 14489 | |
| 401 KAR 61:020 | Existing process operations | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 61:025 | Existing kraft (sulfate) pulp mills | 6/6/1979 | 5/26/1982, 47 FR 22955 | |
| 401 KAR 61:030 | Existing sulfuric acid plants | 6/6/1979 | 3/22/1983, 48 FR 11945 | |
| 401 KAR 61:035 | Existing process gas streams | 4/7/1982 | 3/22/1983, 48 FR 11945 | |
| 401 KAR 61:040 | Existing ethylene producing plants | 6/6/1979 | 1/25/1980, 45 FR 6092 | |
| 401 KAR 61:045 | Existing oil-effluent water separators | 6/29/1979 | 8/7/1981, 46 FR 40188 | |
| 401 KAR 61:050 | Existing storage vessels for petroleum liquids | 6/24/1992 | 6/23/1994, 59 FR 32345 | |
| 401 KAR 61:055 | Existing loading facilities at bulk gasoline terminals | 8/24/1982 | 3/30/1983, 48 FR 13168 | |
| 401 KAR 61:056 | Existing bulk gasoline plants | 9/28/1994 | 6/28/1996, 61 FR 33674 | |
| 401 KAR 61:060 | Existing sources using organic solvents | 6/29/1979 | 1/25/1980, 45 FR 6092 | |
| 401 KAR 61:065 | Existing nitric acid plants | 6/6/1979 | 7/12/1982, 47 FR 30059 | |
| 401 KAR 61:070 | Existing ferroalloy production facilities | 6/6/1979 | 5/3/1984, 49 FR 18833 | |
| 401 KAR 61:075 | Steel plants and foundries using existing electric arc furnaces | 12/1/1982 | 5/4/1989, 54 FR 19169 | |
| 401 KAR 61:080 | Steel plants using existing basic oxygen process furnaces | 4/1/1984 | 5/4/1989, 54 FR 19169 | |
| 401 KAR 61:085 | Existing service stations | 2/8/1993 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:090 | Existing automobile and light-duty truck surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343. | |
| 401 KAR 61:095 | Existing solvent metal cleaning equipment | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:100 | Existing insulation of magnet wire operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:105 | Existing metal furniture surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:110 | Existing large appliance surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:120 | Existing fabric, vinyl and paper surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:122 | Existing graphic arts facilities using rotogravure and flexography | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:124 | Existing factory surface coating operations of flat wood paneling | 6/24/1992 | 6/23/1994 59 FR 32343 | |
| 401 KAR 61:125 | Existing can surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:130 | Existing coil surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:132 | Existing miscellaneous metal parts and products surface coating operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:135 | Selected existing petroleum refining processes and equipment | 6/29/1979 | 1/25/1980, 45 FR 6092 | |
| 401 KAR 61:137 | Leaks from existing petroleum refinery equipment | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:140 | Existing by-product coke manufacturing plants | 9/4/1986 | 5/4/1989, 54 FR 19169 | |
| 401 KAR 61:145 | Existing petroleum refineries | 1/7/1981 | 3/22/1983, 48 FR 11945 | |
| 401 KAR 61:150 | Existing synthesized pharmaceutical product manufacturing operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:155 | Existing pneumatic rubber tire manufacturing plants | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:160 | Existing perchloroethylene dry cleaning systems | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 61:165 | Existing primary aluminum reduction plants | 6/4/1985 | 12/2/1986, 51 FR 43395 | |
| 401 KAR 61:170 | Existing blast furnace casthouses | 4/14/1988 | 2/7/1990, 55 FR 4169 | |
| 401 KAR 61:175 | Leaks from existing synthetic organic chemical and polymer manufacturing equipment | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| Chapter 63 General Standards of Performance | ||||
| 401 KAR 63:001 | Definitions and abbreviations of terms used in 401 KAR Chapter 63 | 11/18/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 63:005 | Open burning | 7/13/2005 | 10/17/2007, 72 FR 58759 | |
| 401 KAR 63:010 | Fugitive emissions | 6/3/2020 | 5/9/2022, 87 FR 27524 | |
| 401 KAR 63:015 | Flares | 6/6/1979 | 12/24/1980, 45 FR 84999 | |
| 401 KAR 63:025 | Asphalt paving operations | 6/24/1992 | 6/23/1994, 59 FR 32343 | |
| 401 KAR 63:031 | Leaks from gasoline tank trunks | 2/8/1993 | 6/23/1994, 59 FR 32343 | |
| Chapter 65 Mobile Source-Related Emissions | ||||
| 401 KAR 65:001 | Definitions and abbreviations of terms used in 401 KAR Chapter 65 | 11/18/2006 | 9/13/2007, 72 FR 52282 | |
| 401 KAR 65:005 | Liquefied petroleum gas carburetion systems | 6/6/1979 | 1/25/1980, 45 FR 6092 | |
| Kentucky Revised Statutes (KRS) | ||||
| KRS Chapter 11A.020 | Public servant prohibited from certain conduct-Exception-Disclosure of personal or private interest | 7/15/1998 | 10/3/2012, 77 FR 60307 | |
| KRS Chapter 11A.030 | Considerations in determination to abstain from action on official decision-Advisory opinion | 7/14/1992 | 10/3/2012, 77 FR 60307 | |
| KRS Chapter 11A.040 | Acts prohibited for public servant or officer-exception | 7/16/2006 | 10/3/2012, 77 FR 60307 | |
| KRS Chapter 224.10-020 | Department within the cabinet-Offices and divisions within the departments-Appointments | 7/15/2010 | 10/3/2012, 77 FR 60307 | |
| KRS Chapter 224.10-100 | Powers and duties of cabinet | 8/30/2007 | 10/3/2012, 77 FR 60307 | |
[64 FR 28750, May 27, 1999] Editorial Note: For Federal Register citations affecting §52.920, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.