EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the South Carolina 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: July 13, 2026.
EPA Contact: EPA Region 4: Weston Freund (404-562-8773)
EPA-Approved South Carolina Non-Regulatory Provisions
| Provision | State Effective Date | EPA Approval Date | FR Citation | Explanation |
|---|---|---|---|---|
| Cherokee County Ozone Attainment Demonstration and Ten-year Maintenance Plan | 6/26/1998 | 12/18/1998 | 63 FR 70019 | |
| Cherokee County Ozone Ten Year Maintenance Plan | 1/31/2002 | 4/26/2002 | 67 FR 20647 | |
| Transportation Conformity | 10/24/2003 | 1/29/2004 | 69 FR 4245 | |
| Attainment Demonstration for the Appalachian, Catawba, Pee Dee, Waccamaw, Santee Lynches, Berkeley-Charleston-Dorchester, Low Country, Lower Savannah, Central Midlands, and Upper Savannah Early Action Compact Areas | 6/25/2004 | 8/26/2005 | 70 FR 50195 | |
| South Carolina Transportation Conformity Air Quality Implementation Plan | 11/19/2008 | 7/28/2009 | 74 FR 37168 | |
| Cherokee County 110(a)(1) Maintenance Plan for the 1997 8-Hour Ozone Standard | 12/13/2007 | 6/1/2009 | 74 FR 26099 | |
| South Carolina 110(a)(1) and (2) Infrastructure Requirements for the 1997 8-Hour Ozone National Ambient Air Quality Standards | 12/13/2007 | 7/13/2011 | 76 FR 41111 | For the 1997 8-hour ozone NAAQS. |
| Applicability of Reasonably Available Control Technology for the Portion of York County, South Carolina | 8/31/2007 | 11/28/2011 | 76 FR 72844 | Demonstration for Bowater Coated Paper Division; for Cytec Carbon Fibers; and for Georgia-Pacific—Catawba Hardboard Plant. |
| Negative Declaration for Applicability of Groups I Control Techniques Guidelines for York County, South Carolina | 8/31/2007 | 11/28/2011 | 76 FR 72844 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| Negative Declaration for Applicability of Group II Control Techniques Guidelines for York County, South Carolina | 8/31/2007 | 11/28/2011 | 76 FR 72844 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| Negative Declaration for Applicability of Group III Control Techniques Guidelines for York County, South Carolina | 2/23/2009 | 11/28/2011 | 76 FR 72844 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| Negative Declaration for Applicability of Group IV Control Techniques Guidelines for York County, South Carolina | 7/7/2009 | 11/28/2011 | 76 FR 72844 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| South Carolina portion of bi-state Charlotte; 1997 8-Hour Ozone 2002 Base Year Emissions Inventory | 4/29/2010 | 5/18/2012 | 77 FR 29540 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| Regional haze plan | 12/17/2007 | 6/28/2012 | 77 FR 38509 | |
| South Carolina portion of bi-state Charlotte; 1997 8-Hour Ozone Emissions Statement | 4/29/2010 | 6/25/2012 | 77 FR 37812 | Applicable to the 1997 8-hour Ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| 110(a)(1) and (2) Infrastructure Requirements for 1997 Fine Particulate Matter National Ambient Air Quality Standards | 4/14/2008 | 8/1/2012 | 77 FR 45492 | |
| 110(a)(1) and (2) Infrastructure Requirements for 2006 Fine Particulate Matter National Ambient Air Quality Standards | 9/18/2009 | 8/1/2012 | 77 FR 45492 | |
| 110(a)(1) and (2) Infrastructure Requirements for 1997 and 2006 Fine Particulate Matter National Ambient Air Quality Standards Elements 110(a)(1) and (2) (E)(ii) and (G) | 4/3/2012 | 8/1/2012 | 77 FR 45492 | |
| 110(a)(2)(D)(i)(I) Infrastructure Requirements for the 2006 24-hour PM2.5 NAAQS | 9/18/2009 | 10/11/2012 | 77 FR 61727 | EPA partially disapproved this SIP submission to the extent that it relied on the Clean Air Interstate Rule to meet the 110(a)(2)(D)(i)(I) requirements for the 2006 24-hour PM2.5 NAAQS. |
| York County 1997 8-hour ozone reasonable further progress plan | 8/31/2007 | 10/15/2012 | 77 FR 62454 | Original submission. |
| Update for York County 1997 8-hour ozone reasonable further progress plan | 4/29/2010 | 10/15/2012 | 77 FR 62454 | Original submission updated to include required 2008 VOC MVEB. |
| 1997 8-hour ozone Maintenance Plan for the South Carolina portion of the bi-state Charlotte Area | 6/1/2011 | 12/26/2012 | 77 FR 75862 | Applicable to the 1997 8-hour ozone boundary in York County only (Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| 110(a)(1) and (2) Infrastructure Requirements for 1997 Fine Particulate Matter National Ambient Air Quality Standards | 4/14/2008 | 4/12/2013 | 78 FR 21841 | Addressing element 110(a)(2)(D)(i)(II) prong 3 only |
| 110(a)(1) and (2) Infrastructure Requirements for 2006 Fine Particulate Matter National Ambient Air Quality Standards | 9/18/2009 | 4/12/2013 | 78 FR 21841 | Addressing element 110(a)(2)(D)(i)(II) prong 3 only |
| 110(a)(1) and (2) Infrastructure Requirements for 1997 Fine Particulate Matter National Ambient Air Quality Standards | 4/14/2008 | 5/7/2014 | 79 FR 26143 | Addressing prong 4 of section 110(a)(2)(D)(i) only. |
| 110(a)(1) and (2) Infrastructure Requirements for 2006 Fine Particulate Matter National Ambient Air Quality Standards | 9/18/2009 | 5/7/2014 | 79 FR 26143 | Addressing prong 4 of section 110(a)(2)(D)(i) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 8-Hour Ozone National Ambient Air Quality Standards | 7/17/2012 | 3/2/2015 | 80 FR 11136 | With the exception of PSD permitting requirements for major sources of sections 110(a)(2)(C) and (J); interstate transport requirements of section 110(a)(2)(D)(i)(I) and (II), and the visibility requirements of section 110(a)(2)(J). |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 Lead NAAQS | 9/20/2011 | 3/18/2015 | 80 FR 14019 | Addressing the PSD permitting requirements of sections 110(a)(2)(C), 110(a)(2)(D)(i)(II) (prong 3) and 110(a)(2)(J) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 Ozone NAAQS | 7/17/2012 | 3/18/2015 | 80 FR 14019 | Addressing the PSD permitting requirements of sections 110(a)(2)(C), 110(a)(2)(D)(i)(II) (prong 3) and 110(a)(2)(J) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 NO2 NAAQS | 4/30/2014 | 3/18/2015 | 80 FR 14019 | Addressing the PSD permitting requirements of sections 110(a)(2)(C), 110(a)(2)(D)(i)(II) (prong 3) and 110(a)(2)(J) only. |
| 2011 Base Year Emissions Inventory for the South Carolina portion of the bi-state Charlotte 2008 8-Hour Ozone Nonattainment Area | 8/22/2014 | 6/12/2015 | 80 FR 33413 | |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 Ozone NAAQS | 7/17/2012 | 8/12/2015 | 80 FR 48255 | Addressing the visibility requirements of 110(a)(2)(J) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 Lead National Ambient Air Quality Standards | 9/20/2011 | 9/24/2015 | 80 FR 57540 | With the exception of provisions pertaining to PSD permitting requirements in sections 110(a)(2)(C), prong 3 of D(i) and (J). |
| 2008 8-hour ozone Maintenance Plan for the York County, South Carolina portion of the bi-state Charlotte Area | 4/17/2015 | 12/11/2015 | 80 FR 76865 | |
| South Carolina Transportation Conformity Air Quality Implementation Plan | 10/23/2015 | 4/5/2016 | 81 FR 19495 | |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour SO2 NAAQS | 5/8/2014 | 5/24/2016 | 81 FR 32652 | With the exception of interstate transport requirements of section 110(a)(2)(D)(i)(I) and (II) (prongs 1, 2, and 4). |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour NO2 NAAQS | 4/30/2014 | 9/16/2016 | 81 FR 63704 | With the exception of sections 110(a)(2)(C), prong 3 of D(i), and (J) and sections 110(a)(2)(D)(i)(I) and (II) (prongs 1, 2, and 4). |
| 110(a)(1) and (2) Infrastructure Requirements for the 2012 Annual PM2.5 NAAQS | 12/14/2015 | 4/7/2017 | 82 FR 16931 | With the exception of section 110(a)(2)(D)(i)(I) and (II) (prongs 1, 2 and 4). |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour NO2 NAAQS | 12/7/2016 | 10/3/2017 | 82 FR 45995 | Addressing Prongs 1 and 2 of section 110(a)(2)(D)(i) only. |
| December 2012 Regional Haze Progress Report | 12/28/2012 | 10/12/2017 | 82 FR 47393 | |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 8-hour Ozone NAAQS | 7/17/2012 | 9/24/2018 | 83 FR 48239 | Addressing prong 4 of section 110(a)(2)(D)(i)(II) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour NO2 NAAQS | 4/30/2014 | 9/24/2018 | 83 FR 48239 | Addressing prong 4 of section 110(a)(2)(D)(i)(II) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour SO2 NAAQS | 5/8/2014 | 9/24/2018 | 83 FR 48239 | Addressing prong 4 of section 110(a)(2)(D)(i)(II) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2012 Annual PM2.5 NAAQS | 12/18/2015 | 9/24/2018 | 83 FR 48239 | Addressing prong 4 of section 110(a)(2)(D)(i)(II) only. |
| Regional Haze Plan Revision | 9/5/2017 | 9/24/2018 | 83 FR 48239 | |
| 110(a)(1) and (2) Infrastructure Requirements for the 2012 Annual PM2.5 NAAQS | 12/14/2015 | 9/25/2018 | 83 FR 48390 | Addressing Prongs 1 and 2 of section 110(a)(2)(D)(i)(I) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2010 1-hour SO2 NAAQS | 6/25/2018 | 10/10/2019 | 84 FR 54502 | Addressing Prongs 1 and 2 of section 110(a)(2)(D)(i) only. |
| 110(a)(1) and (2) Infrastructure Requirements for the 2008 8-Hour Ozone NAAQS | 6/18/2018 | 12/2/2021 | 85 FR 7 | Addressing prongs 1 and 2 section 110(a)(2)(D)(i)(I) (prongs 1 and 2) |
| 110(a)(1) and (2) Infrastructure Requirements for the 2015 8-Hour Ozone NAAQS | 9/7/2018 | 2/6/2020 | 85 FR 6810 | With the exception of 110(a)(2)(D)(i)(l) (prongs 1 and 2) |
| 110(a)(1) and (2) Infrastructure Requirements for the 2015 8-Hour Ozone NAAQS | 9/7/2018 | 12/2/2021 | 86 FR 68421 | Addressing Prongs 1 and 2 of section 110(a)(2)(D)(i)(I) only. |
| 1997 8-hour ozone Maintenance Plan for the Catawba Indian Nation portion of the bi-state Charlotte Area | 7/7/2020 | 1/25/2022 | 87 FR 3675 | Applicable only to the Catawba Indian Nation Reservation portion within the 1997 8-hour ozone boundary in York County, South Carolina (within the Rock Hill-Fort Mill Area Transportation Study Metropolitan Planning Organization Area). |
| 2008 8-hour ozone Second 10-Year Maintenance Plan for the York County, South Carolina portion of the bi-state Charlotte Area | 9/26/2023 | 11/20/2025 | 90 FR 52248 | |
| Regional Haze Plan - Second Planning Period | 3/3/2022 | 12/11/2025 | 90 FR 57636 |