EPA Approved Statutes and Regulations in the Mississippi 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: Jia Shi (404-562-9448)
EPA Approved Mississippi Regulations.
| State citation | Title/subject | State effective date | EPA approval date | Explanation |
|---|---|---|---|---|
| 11 MAC Part 1-Chapter 5 (pdf) - 11 MAC Part 1-Chapter 5 Mississippi Environmental Quality Permit Board: Regulations Regarding Administrative Procedures Pursuant to the Mississippi Administrative Procedures Act | ||||
| Rule 5.1 | Description of Mississippi Environmental Quality Permit Board | 5/11/2018 | 10/4/2018, 83 FR 50014 | |
| 11 MAC-Part 2-Chapter 1 (pdf) - 11 MAC Part 2–Chapter 1 Air Emission Regulations for the Prevention, Abatement, and Control of Air Contaminants | ||||
| Rule 1.1 | General | 6/25/2018 | 10/4/2018, 83 FR 50014 | Except paragraphs (C)(1) and (2), which EPA has not approved into the SIP. |
| Rule 1.2 | Definitions | 7/25/2013 | 2/21/2020, 85 FR 10070 | Except the definition of “Air Quality Action Day,” which EPA has not approved into the SIP. |
| Rule 1.3 | Specific Criteria for Sources of Particulate Matter | 7/25/2013 | 2/21/2020, 85 FR 10070 | Except paragraph (G)(4), which is state effective February 9, 2009, and paragraph (G)(5), which is not approved into the SIP. |
| Rule 1.4 | Specific Criteria for Sources of Sulfur Compounds | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 1.5 | Specific Criteria for Sources of Chemical Emissions | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 1.6 | New Sources | 7/25/2013 | 2/21/2020, 85 FR 10070 | Except paragraphs (2) and (3), which EPA has not approved into the SIP. |
| Rule 1.7 | Exceptions | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 1.9 | Stack Height Considerations | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 1.10 | Provisions for Upsets, Startups, and Shutdowns | 12/10/2016 | 11/18/2022, 87 FR 61977 | Except for Rule 1.10.A and 1.10.B(3). |
| Rule 1.11 | Severability | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 1.14 | Provision for the Clean Air Interstate Rule | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| 11 MAC Part 2, Chapter 2 (pdf) - 11 MAC Part 2–Chapter 2 Permit Regulations for the Construction and/or Operation of Air Emissions Equipment | ||||
| Rule 2.1 | General Requirements | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.2 | General Standards Applicable to All Permits | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.3 | Application for Permit to Construct and State Permit to Operate New Stationary Source | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.4 | Public Participation and Public Availability of Information | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.5 | Application Review | 3/24/2024 | 10/31/2024, 89 FR 68751 | Except for Rule 2.5(A) and 2.5(C) through (E) which have a state effective date of 7/25/2013. |
| Rule 2.6 | Compliance Testing | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.7 | Emission Evaluation Report | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.8 | Procedures for Renewal of State Permit To Operate | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.9 | Reporting and Record Keeping | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.10 | Emission Reduction Schedule | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.11 | General Permits | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.12 | Multi-Media Permits | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.13 | Exclusion | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.14 | CAFOs | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.15 | Options | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.16 | Permit Transfer | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 2.17 | Severability | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| 11 MAC-Part 2-Chapter 3 (pdf) - 11 MAC Part 2–Chapter 3 Regulations for the Prevention of Air Pollution Emergency Episodes | ||||
| Rule 3.1 | General | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 3.2 | Definitions | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 3.3 | Episode Criteria | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 3.4 | Emission Control Action Programs | 7/25/2013 | 2/21/2020, 85 FR 10070 | |
| Rule 3.5 | Emergency Orders | 7/25/2013 | 2/21/2020, 85 FR 10070 | Except the removal of language from the “Emergency” level for coal or oil-fired process steam generating facilities under Rule 3.5, Table 1, Section 2, which is state effective June 3, 1988. |
| 11 MAC-Part 2-Chapter 5 (pdf) - 11 MAC Part 2-Chapter 5 Regulations for the Prevention of Significant Deterioration of Air Quality | ||||
| Rule 5.1 | Purpose of this Regulation | 3/24/2024 | 10/31/2024, 89 FR 86751 | |
| Rule 5.2 | Adoption of Federal Rules By Reference | 3/24/2024 | 10/31/2024, 89 FR 86751 | The version of Rule 5.2 in the SIP does not incorporate by reference the provisions at § 52.21(b)(2)(v) and (b)(3)(iii)(c) that were stayed indefinitely by the Fugitive Emissions Interim Rule (published in the Federal Register March 30, 2011). |
| Rule 5.3 | Definition of term “Administrator” | 3/24/2024 | 10/31/2024, 89 FR 86751 | |
| Rule 5.4 | Adoption of Federal Rules for Exclusion from Increment Consumption | 3/24/2024 | 10/31/2024, 89 FR 86751 | |
| Rule 5.5 | Transmittal of Permit Applications to EPA Administrator | 7/13/2013 | 10/31/2024, 89 FR 86751 | |
| Rule 5.6 | Applicability | 3/24/2024 | 10/31/2024, 89 FR 86751 | |
| Rule 5.7 | Public Participation | 3/24/2024 | 10/31/2024, 89 FR 86751 | |
| 11 MAC-Part 2-Chapter 11 (pdf) - 11 MAC Part 2–Chapter 11 Regulations for Ambient Air Quality Nonattainment Areas | ||||
| Rule 11.1 | General | 9/26/2015 | 1/12/2016, 81 FR 1321 | |
| Rule 11.2 | Definitions | 9/26/2015 | 1/12/2016, 81 FR 1321 | |
| Rule 11.3 | Emissions Statement | 9/26/2015 | 1/12/2016, 81 FR 1321 | |
| Mississippi State Constitution | ||||
| Article 4 Section 109 | Interest of Public Officers in Contracts | 9/27/2012 | 4/8/2013 78 FR 20795 |
|
| Sections of the Mississippi Code as Part of the MS SIP (pdf) - Portions of the Mississippi Code | ||||
| Section 25-4-25 | Persons required to file statement of economic interest | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 25-4-27 | Contents of statement of economic interest | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 25-4-29 | Filing dates for statement | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 25-4-101 | Declaration of public policy | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 25-4-103 | Definitions | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 25-4-105 | Certain actions, activities and business relationships prohibited or authorized; contracts in violation of section voidable; penalties | 9/27/2012 | 4/8/2013 78 FR 20795 |
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| Section 49-2-5 | Commission on Environmental Quality | 7/1/2016 | 10/4/2018, 83 FR 50014 | |
[62 FR 35442, July 1, 1997]
Editorial Note: For Federal Register citations affecting §52.1270, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.