40 C.F.R. § 52.170

Current through September 30, 2024
Section 52.170 - Identification of plan
(a)Purpose and scope. This section sets forth the applicable State Implementation Plan (SIP) for Arkansas under section 110 of the Clean Air Act, 42 U.S.C. 7410 , 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 December 1, 2005, 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 FEDERAL REGISTER. Entries in paragraphs (c) and (d) of this section with EPA approval dates after December 1, 2005, will be incorporated by reference in the next update to the SIP compilation.
(2) EPA Region 6 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 that have been approved as part of the State implementation plan as of December 1, 2005.
(3) Copies of the materials incorporated by reference may be inspected at https://www.epa.gov/sips-ar or the Environmental Protection Agency, Region 6, 1201 Elm Street, Suite 500, Dallas, Texas 75270-2102. If you wish to obtain material from the EPA Regional Office, please call (800) 887-6063 or (214) 665-2760.
(c)EPA approved regulations.

EPA-Approved Regulations in the Arkansas SIP

State citation Title/subjectState
submittal/effective date
EPA approval date Explanation
Rule No. 19: Regulations of the Arkansas Plan of Implementation for Air Pollution Control
Chapter 1: Title, Intent and Purpose
Rule 19.101Title6/22/202212/29/2023, 88 FR 90121
Rule 19.102Applicability6/22/202212/29/2023, 88 FR 90121
Rule 19.103Intent and Construction6/22/202212/29/2023, 88 FR 90121
Rule 19.104Severability6/22/202212/29/2023, 88 FR 90121
Rule 19.105Incorporation by Reference6/22/202212/29/2023, 88 FR 90121
Chapter 2: Definitions
Chapter 2Definitions6/22/202212/29/2023, 88 FR 90121
Chapter 3: Protection of the National Ambient Air Quality Standards
Rule 19.301Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.302Division Responsibilities6/22/202212/29/2023, 88 FR 90121
Rule 19.303Regulated Sources Responsibilities6/22/202212/29/2023, 88 FR 90121
Rule 19.304Delegated Federal Programs6/22/202212/29/2023, 88 FR 90121
Chapter 4: Minor Source Review
Rule 19.401General Applicability6/22/202212/29/2023, 88 FR 90121
Rule 19.402Approval Criteria6/22/202212/29/2023, 88 FR 90121
Rule 19.403Owner/Operator's Responsibilities6/22/202212/29/2023, 88 FR 90121
Rule 19.404Required Information6/22/202212/29/2023, 88 FR 90121
Rule 19.405Action on Application6/22/202212/29/2023, 88 FR 90121
Rule 19.406Public Participation6/22/202212/29/2023, 88 FR 90121
Rule 19.407Permit Amendments6/22/202212/29/2023, 88 FR 90121
Rule 19.408Exemption from Permitting6/22/202212/29/2023, 88 FR 90121
Rule 19.409[Reserved]6/22/202212/29/2023, 88 FR 90121
Rule 19.410Permit Revocation and Cancellation6/22/202212/29/2023, 88 FR 90121
Rule 19.411General Permits6/22/202212/29/2023, 88 FR 90121
Rule 19.412Dispersion Modeling6/22/202212/29/2023, 88 FR 90121
Rule 19.413Confidentiality6/22/202212/29/2023, 88 FR 90121
Rule 19.414Operational Flexibility-Applicant's Duty to Apply for Alternative Scenarios6/22/202212/29/2023, 88 FR 90121
Rule 19.415Changes Resulting in No Emissions Increases6/22/202212/29/2023, 88 FR 90121
Rule 19.416Permit Flexibility6/22/202212/29/2023, 88 FR 90121
Rule 19.417Registration6/22/202212/29/2023, 88 FR 90121
Chapter 5: General Emission Limitations Applicability to Equipment
Rule 19.501Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.502General Rules6/22/202212/29/2023, 88 FR 90121
Rule 19.503Visible Emission Rules6/22/202212/29/2023, 88 FR 90121
Rule 19.504Stack Height/Dispersion Rules6/22/202212/29/2023, 88 FR 90121
Rule 19.505Revised Emissions Limitation6/22/202212/29/2023, 88 FR 90121
Chapter 6: Upset and Emergency Conditions
Rule 19.601Upset Conditions6/22/202212/29/2023, 88 FR 90121
Rule 19.602Emergency Conditions6/22/202212/29/2023, 88 FR 90121
Chapter 7: Sampling, Monitoring, and Reporting Requirements
Rule 19.701Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.702Air Emissions Sampling6/22/202212/29/2023, 88 FR 90121
Rule 19.703Continuous Emissions Monitoring6/22/202212/29/2023, 88 FR 90121
Rule 19.704Notice of Completion6/22/202212/29/2023, 88 FR 90121
Rule 19.705Record Keeping and Reporting Requirements6/22/202212/29/2023, 88 FR 90121
Rule 19.706Public Availability of Emissions Data6/22/202212/29/2023, 88 FR 90121
Chapter 9: Prevention of Significant Deterioration
Rule 19.901Title6/22/202212/29/2023, 88 FR 90121
Rule 19.902Purposes6/22/202212/29/2023, 88 FR 90121
Rule 19.903Definitions6/22/202212/29/2023, 88 FR 90121
Rule 19.904Adoption of Rules6/22/202212/29/2023, 88 FR 90121
Chapter 10: Rules for the Control of Volatile Organic Compounds in Pulaski County
Rule 19.1001Title6/22/202212/29/2023, 88 FR 90121
Rule 19.1002Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.1003Definitions6/22/202212/29/2023, 88 FR 90121
Rule 19.1004[Reserved]6/22/202212/29/2023, 88 FR 90121
Rule 19.1005Provisions for Specific Processes6/22/202212/29/2023, 88 FR 90121
Rule 19.1006[Reserved]6/22/202212/29/2023, 88 FR 90121
Chapter 11: Major Source Permitting Procedures
Chapter 11Major Source Permitting Procedures6/22/202212/29/2023, 88 FR 90121
Chapter 13: Stage 1 Vapor Recovery
Rule 19.1301Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.1302Applicability6/22/202212/29/2023, 88 FR 90121
Rule 19.1303Definitions6/22/202212/29/2023, 88 FR 90121
Rule 19.1304Exemptions6/22/202212/29/2023, 88 FR 90121
Rule 19.1305Prohibited Activities6/22/202212/29/2023, 88 FR 90121
Rule 19.1306Record Keeping6/22/202212/29/2023, 88 FR 90121
Rule 19.1307Inspections6/22/202212/29/2023, 88 FR 90121
Rule 19.1308Vapor Recovery Systems6/22/202212/29/2023, 88 FR 90121
Rule 19.1309Gasoline Delivery Vessels6/22/202212/29/2023, 88 FR 90121
Rule 19.1310Owner/Operator Responsibility6/22/202212/29/2023, 88 FR 90121
Rule 19.1311Test Methods6/22/202212/29/2023, 88 FR 90121
Rule 19.1312Effective Date6/22/202212/29/2023, 88 FR 90121
Chapter 14: [RESERVED]
Chapter 15: Best Available Retrofit Technology
Rule 19.1501Purpose6/22/202212/29/2023, 88 FR 90121
Rule 19.1502Definitions6/22/202212/29/2023, 88 FR 90121
Rule 19.1503[Reserved]6/22/202212/29/2023, 88 FR 90121
Rule 19.1504[Reserved]6/22/202212/29/2023, 88 FR 90121
Rule 19.1505Best Available Retrofit Technology Requirements6/22/202212/29/2023, 88 FR 90121
Rule 19.1506Compliance Provisions6/22/202212/29/2023, 88 FR 90121
Rule 19.1507[Reserved]6/22/202212/29/2023, 88 FR 90121
Chapter 18: Effective Date
Rule 19.1801Effective Date6/22/202212/29/2023, 88 FR 90121
Appendix A: Insignificant Activities List
Appendix AInsignificant Activities List6/22/202212/29/2023, 88 FR 90121
Appendix B: National Ambient Air Quality Standards List
Appendix BNational Ambient Air Quality Standards List6/22/202212/29/2023, 88 FR 90121
Regulation 26: Regulations of the Arkansas Operating Permit Program
Chapter 3: Requirements for Permit Applicability
Reg. 26.301Requirement for a permit7/26/20108/23/2019, 84 FR 44235
Reg. 26.302Sources subject to permitting3/24/20178/23/2019, 84 FR 44235
Chapter 4: Applications for Permits
Reg. 26.401Duty to apply3/24/20178/23/2019, 84 FR 44235
Reg. 26.402Standard application form and required information3/24/20178/23/2019, 84 FR 44235
Reg. 26.407Complete application3/24/20178/23/2019, 84 FR 44235
Reg. 26.409Applicant's duty to supplement correct application7/26/20108/23/2019, 84 FR 44235
Reg. 26.410Certification by responsible official7/26/20108/23/2019, 84 FR 44235
Chapter 5: Action on Application
Reg. 26.501Action on part 70 permit applications7/26/20108/23/2019, 84 FR 44235
Reg. 26.502Final action on permit application3/24/20178/23/2019, 84 FR 44235
Chapter 6: Permit Review by the Public, Affected States, and EPA
Reg. 26.601Applicability7/26/20108/23/2019, 84 FR 44235
Reg. 26.602Public participation3/24/20178/23/2019, 84 FR 44235
Reg. 26.603Transmission of permit information to the Administrator3/24/20178/23/2019, 84 FR 44235
Reg. 26.604Review of draft permit by affected States3/24/20178/23/2019, 84 FR 44235
Regulation No. 31: Nonattainment New Source Review Requirements
Chapter 1: Title, Intent, and Purpose
Reg. 31.101Title7/3/20064/12/2007, 72 FR 18394
Reg. 31.102Applicability7/3/20064/12/2007, 72 FR 18394
Reg. 31.103Severability7/3/20064/12/2007, 72 FR 18394
Chapter 2: Definitions
Chapter 2Definitions7/3/20064/12/2007, 72 FR 18394
Chapter 3: Preconstruction review
Reg. 31.301Requirement for a Permit7/3/20064/12/2007, 72 FR 18394
Reg. 31.302Required Information7/3/20064/12/2007, 72 FR 18394
Reg. 31.303Approval Criteria7/3/20064/12/2007, 72 FR 18394
Reg. 31.304Offsets7/3/20064/12/2007, 72 FR 18394
Reg. 31.305Zones Targeted for Economic Development7/3/20064/12/2007, 72 FR 18394
Reg. 31.306Control Technology Information7/3/20064/12/2007, 72 FR 18394
Reg. 31.307Approval to Construct7/3/20064/12/2007, 72 FR 18394
Reg. 31.308Applicability of Nonattainment Review7/3/20064/12/2007, 72 FR 18394
Reg. 31.309Applicability of Other Regulations7/3/20064/12/2007, 72 FR 18394
Chapter 4: Applicability Tests
Reg. 31.401Actual-to-Projected-Actual Applicability Test7/3/20064/12/2007, 72 FR 18394
Reg. 31.402Actual-to-Potential Test7/3/20064/12/2007, 72 FR 18394
Reg. 31.403[Reserved]7/3/20064/12/2007, 72 FR 18394
Reg. 31.404[Reserved]7/3/20064/12/2007, 72 FR 18394
Reg. 31.405Emission Baseline Credits7/3/20064/12/2007, 72 FR 18394
Reg. 31.406Relaxation of Limits7/3/20064/12/2007, 72 FR 18394
Reg. 31.407Modifications to Existing Units7/3/20064/12/2007, 72 FR 18394
Reg. 31.408Public Availability of Information7/3/20064/12/2007, 72 FR 18394
Reg. 31.409Applicability of Nitrogen Oxides7/3/20064/12/2007, 72 FR 18394
Reg. 31.410Offset Requirements7/3/20064/12/2007, 72 FR 18394
Reg. 31.411PM10 Precursors7/3/20064/12/2007, 72 FR 18394
Chapter 5: [Reserved]
Chapter 6: [Reserved]
Chapter 7: [Reserved]
Chapter 8: Actual PALS
Reg. 31.801Applicability7/3/20064/12/2007, 72 FR 18394
Reg. 31.802Definitions7/3/20064/12/2007, 72 FR 18394
Reg. 31.803Permit Application Requirements7/3/20064/12/2007, 72 FR 18394
Reg. 31.804General Requirements for Establishing PALs7/3/20064/12/2007, 72 FR 18394
Reg. 31.805Public Participation Requirement for PALs7/3/20064/12/2007, 72 FR 18394
Reg. 31.806Setting the 10-year Actuals PAL Level7/3/20064/12/2007, 72 FR 18394
Reg. 31.807Contents of the PAL Permit7/3/20064/12/2007, 72 FR 18394
Reg. 31.808Reopening of the PAL Permit7/3/20064/12/2007, 72 FR 18394
Reg. 31.809PAL Effective Period7/3/20064/12/2007, 72 FR 18394
Reg. 31.810Expiration of a PAL7/3/20064/12/2007, 72 FR 18394
Reg. 31.811Renewal of a PAL7/3/20064/12/2007, 72 FR 18394
Reg. 31.812Increasing a PAL During the PAL Effective Period7/3/20064/12/2007, 72 FR 18394
Reg. 31.813Monitoring Requirements for PALs7/3/20064/12/2007, 72 FR 18394
Reg. 31.814Recordkeeping Requirements7/3/20064/12/2007, 72 FR 18394
Reg. 31.815Reporting and Notification Requirements7/3/20064/12/2007, 72 FR 18394
Reg. 31.816Transition Requirements7/3/20064/12/2007, 72 FR 18394
Chapter 9: Effective Date
Reg. 31.901Effective Date7/3/20064/12/2007, 72 FR 18394
Regulation No. 9: Fee Regulation
Chapter 1Title7/9/20124/30/2015, 80 FR 24216
Chapter 2Definitions7/9/20124/30/2015, 80 FR 24216The following definitions do not relate to the air program and are not being approved into the SIP: "Category", "Certificate", "Confined Animal Operation", "Discretionary Major Facility", "Evaluation", "Laboratory", "Major Municipal Facility", "Non-Municipal Major Facility", "Parameter", "Program".
Chapter 3Permit Fee Payment7/9/20124/30/2015, 80 FR 24216
Chapter 5Air Permit Fees7/9/20124/30/2015, 80 FR 24216
Chapter 9Administrative Procedures7/9/20124/30/2015, 80 FR 24216

(d)EPA-approved State source-specific requirements.

EPA-Approved Arkansas Source-Specific Requirements

Name of sourcePermit or Order No.State
approval/
effective
date
EPA approval date Comments
Arkansas Electric Cooperative Corporation Carl E. Bailey Generating StationAdministrative Order LIS No. 18-0718/7/20189/27/2019, 84 FR 51033Unit 1.
Arkansas Electric Cooperative Corporation John L. McClellan Generating StationAdministrative Order LIS No. 18-0718/7/20189/27/2019, 84 FR 51033Unit 1.
Southwestern Electric Power Company Flint Creek Power PlantAdministrative Order LIS No.
18-072
8/7/20189/27/2019, 84 FR 51033Unit 1.
Entergy Arkansas, Inc. Lake Catherine PlantAdministrative Order LIS No. 18-0738/7/20189/27/2019, 84 FR 51033Unit 4.
Entergy Arkansas, Inc. White Bluff PlantAdministrative Order LIS No. 18-0738/7/20189/27/2019, 84 FR 51033Units 1, 2, and Auxiliary Boiler.
Entergy Arkansas, Inc. Independence PlantAdministrative Order LIS No. 18-0738/7/20189/27/2019, 84 FR 51033Units 1 and 2.
Domtar Ashdown MillPermit #0287-AOP-R228/1/20193/22/2021, 86 FR 15104Approval of plantwide conditions 32 to 43 of section VI from the permit, addressing emission limits for SO2, NOX, and PM10 and conditions for implementing the BART alternative for Power Boilers No. 1 and 2.

(e)EPA-approved nonregulatory provisions and quasi-regulatory measures.

EPA-Approved Statutes in the Arkansas SIP

State citation Title/subjectState
submittal/
effective
date
EPA approval date Explanation
Arkansas Water and Air Pollution Control Act-Part I
82.1901Title of Act1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1902Definitions1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1903Pollution Control Commission1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1904Powers and Duties of Commission1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1905Persons Operating Disposal System-Furnishing Information and Permitting Examinations and Surveys1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1906Hearing Before Commission or Member-Appeal Procedure1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1907Co-operation with Agency of Another State or United States1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1908Actions Declared Public Nuisance-Permit to Construct, Make Changes in or Operate Disposal System-Submission of Plans1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82.1909Violation of Act a Misdemeanor-Pollution a Nuisance-Abatement1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
Arkansas Environmental Permit Fees Act (Act 817 of 1983)
82-1916 thru 82-1921Permit Fees Act12/16/198511/12/1986, 51 FR 40975Ref 522.200(c)(24).
Arkansas Water and Air Pollution Control Act-Part II
82-1931Air Pollution-State Policy1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1932Purpose of Act1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1933Definitions1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1934Exemptions1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1935Powers of Commission1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1936Factors in Exercise of Commission Powers1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1937Industrial Secrets Confidential-Revealing a Misdemeanor11/25/19858/4/1986, 51 FR 27840Ref 52.200(c)(23).
82-1938Unlawful Acts1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1939Variance from Regulations1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1940Application of Water Pollution Provisions1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1941Political Subdivision Forbidden to Legislate on Air Pollution1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1942Radiation Control Law Not Amended or Repealed-No Authority to Commission Over Employer-Employee Relationships1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
82-1943Private Rights Unchanged1/28/19725/31/1972, 37 FR 10841Ref 52.200(a) & (b).
Small Business Assistance Program Act (Act 251 of 1993)
Act 251SBAP Act2/26/19933/8/1995, 60 FR 12691Ref 52.200(c)(31).

EPA-Approved Control Measures in the Arkansas SIP

Control measures Applicable geographic or nonattainment areaState
submittal/
effective
date
EPA approval date Explanation
Air Quality SurveillanceStatewide4/24/19808/6/1981, 46 FR 40005Ref 52.200(c)(6) & (20).
Lead SIPStatewide12/10/19794/16/1982, 47 FR 16328Ref 52.200(c)(17).
Protection of Visibility in Mandatory Class I Federal AreasStatewide6/12/19852/10/1986, 51 FR 4910Ref 52.200(c)(22).
Part II of the Visibility Protection PlanStatewide10/9/19877/21/1988, 53 FR 27514Ref 52.200(c)(25).
Good Engineering Practice Stack Height RegulationsStatewide6/1/19872/23/1989, 54 FR 7764Ref 52.200(c)(26).
Small Business Stationary Source Technical and Environmental Compliance Assistance ProgramStatewide11/6/19923/8/1995, 60 FR 12691Ref 52.200(c)(31).

EPA-Approved Non-Regulatory Provisions and Quasi-Regulatory Measures in the Arkansas SIP

Name of SIP provision Applicable geographic or nonattainment areaState
submittal/
effective date
EPA approval date Explanation
Emissions Inventory for Crittenden CountyCrittenden County6/22/20071/15/2009, 74 FR 2383
8-Hour Ozone Maintenance plan for the Crittenden County, Arkansas AreaCrittenden, Shelby County2/26/20093/24/2010, 75 FR 14077
Interstate Transport for the 1997 ozone and PM2.5 NAAQS (Noninterference with measures required to protect visibility in any other State)Statewide3/28/20083/12/2012, 77 FR 14604Noninterference with measures required to protect visibility in any other State partially approved 3/12/2012.
Regional Haze SIPStatewide9/23/2008,
8/3/2010
3/12/2012, 77 FR 14604The following portions are partially approved and partially disapproved:
(a) Identification of affected Class I areas(a) Identification of best available retrofit technology (BART) eligible sources and subject to BART sources;
(b) Determination of baseline and natural visibility conditions(b) requirements for best available retrofit technology (BART);
(c) Determination of the Uniform Rate of Progress(c) the Arkansas Regional Haze Rule; and
(d) Reasonable progress goal consultation and long term strategy consultation(d) Long Term Strategy. (See § 52.173(a) ).
(e) Coordination regional haze and reasonably attributable visibility impairment
(f) Monitoring Strategy and other implementation requirements
(g) Commitment to submit periodic Regional Haze SIP revisions and periodic progress reports describing progress towards the reasonable progress goals
(h) Commitment to make a determination of the adequacy of the existing SIP at the time a progress report is submitted
(i) Coordination with States and Federal Land Managers
(j) The following best available retrofit technology (BART) determinations: PM BART determination for the AEP Flint Creek Plant Boiler No. 1; SO2 and PM BART determinations for the natural gas firing scenario for the Entergy Lake Catherine Plant Unit 4; PM BART determinations for both the bituminous and sub-bituminous coal firing scenarios for the Entergy White Bluff Plant Units 1 and 2; and PM BART determination for the Domtar Ashdown Mill Power Boiler No. 1
Infrastructure for the 1997 Ozone NAAQSStatewide12/17/2007
3/28/2008
8/20/2012, 77 FR 50033Approval for CAA elements 110(a)(2)(A), (B), (E), (F), (G), (H), (K), (L), and (M). Approval for CAA elements 110(a)(2)(C), (D)(i)(II) (interfere with measures in any other state to prevent significant deterioration of air quality), (D)(ii), and (J) for the 1997 ozone NAAQS, except as it relates to Greenhouse Gas (GHG) emissions. The GHG PSD deficiency was addressed on April 2, 2013 (78 FR 19596).
Infrastructure for the 1997 and 2006 PM2.5 NAAQSStatewide3/28/2008,
9/16/2009,
12/1/2014
3/4/2015, 80 FR 11573Approval for CAA elements 110(a)(2)(A), (B), (E), (F), (G), (H), (K), (L), and (M) on 8/20/2012, 77 FR 50033. Approval for PSD elements (C), (D)(i)(II) (interfere with measures in any other state to prevent significant deterioration of air quality), D(ii) and (J) on March 4, 2015 (80 FR 11573)
Interstate transport for the 1997 ozone NAAQS (Noninterference with measures required to prevent significant deterioration of air quality in any other State)Statewide4/5/20118/20/2012, 77 FR 50033Approved except as it relates to GHGs. The GHG PSD deficiency was addressed on April 2, 2013 (78 FR 19596).
Interstate transport for the 1997 and 2006 PM2.5 NAAQS (contribute to nonattainment or interfere with maintenance)Statewide12/17/2007
9/16/2009
8/29/2013, 78 FR 53269
Crittenden County Base Year Emission Inventory for the 2008 Ozone StandardCrittenden County8/28/20151/13/2016, 81 FR 1884
2008 8-hour ozone Redesignation Request, Maintenance Plan, and Clarification Letter for the Crittenden County portion of Memphis, TN-AR-MS Nonattainment AreaCrittenden County portion of Memphis, TN-AR-MS Nonattainment Area12/10/20154/25/2016, 81 FR 24030
Arkansas Regional Haze NOX SIP RevisionStatewide10/31/20172/12/2018, 83 FR 5927Regional Haze SIP submittal addressing NOX BART requirements for Arkansas EGUs and reasonable progress requirements for NOX for the first implementation period.
Infrastructure for the 2006 PM2.5 NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(D)(ii).
Infrastructure for the 2008 Pb NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L) and (M).
Infrastructure for the 2008 O3 NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(A), (B), (C), (D)(i) (portions pertaining and PSD), (D)(ii), (E), (F), (G), (H), (J), (K), (L) and (M).
Infrastructure for the 2010 NO2 NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(A), (B), (C), (D)(i)(portion pertaining to nonattainment interference with maintenance and PSD), (D)(ii), (E), (F), (G), (H), (J), (K), (L) and (M).
Infrastructure for the 2010 SO2 NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(A), (B), (C), (D)(i) (portion pertaining to PSD), (D)(ii), (E), (F), (G), (H), (J), (K), (L) and (M). Approval for 110(a)(2)(D)(i)(I) on 10/18/2019.
Infrastructure for the 2012 PM2.5 NAAQSStatewide3/24/20172/14/2018, 83 FR 6470Approval for 110(a)(2)(A), (B), (C), (D)(i) (portion pertaining to PSD), (D)(ii), (E), (F), (G), (H), (J), (K), (L) and (M).
Approval for 110(a)(2)(D)(i)(I) (significant contribution to nonattainment or interfere with maintenance in any other state) on 9/20/2018, 83 FR 47569.
Arkansas Regional Haze Phase II SIP RevisionStatewide8/8/20189/27/2019, 84 FR 51033Regional Haze SIP revision addressing SO2 and PM BART requirements for Arkansas EGUs, NOX BART requirement for the White Bluff Auxiliary Boiler, reasonable progress requirements for SO2 and PM for the first implementation period, and the long-term strategy requirements. We are approving a portion of this SIP revision. There are two aspects of this SIP revision we are not taking action on at this time: (1) The interstate visibility transport requirements under section 110(a)(2)(D)(i)(II); and (2) the long-term strategy is approved with respect to sources other than the Domtar Ashdown Mill.
Arkansas SIP Review for the Five-Year Regional Haze Progress ReportStatewide6/2/201510/1/2019, 84 FR 51986
Infrastructure for the 2015 O3 NAAQSStatewide9/27/20192/12/2021, 86 FR 9290Approval for 110(a)(2)(A), (B), (C), (D)(i) (portion pertaining to PSD), (D)(ii), (E), (F), (G), (H), (J), (K), (L) and (M).
Arkansas Regional Haze Phase III SIP RevisionStatewide8/13/20193/22/2021, 86 FR 15104Approval of regional haze SIP revision pertaining to the Domtar Ashdown mill that addresses SO2, NOX, and PM10 BART alternative requirements under 40 CFR 51.308(e)(2) ; reasonable progress components under 40 CFR 51.308(d)(1) ; and long-term strategy components under 40 CFR 51.308(d)(3) for this facility.
Arkansas 2015 O3 NAAQS Interstate Transport SIP RevisionStatewide10/4/20193/22/2021, 86 FR 15104Approval of visibility transport portion of this interstate transport SIP revision that addresses CAA section 110(a)(2)(D)(i)(II) for the following NAAQS: 2006 24-hour PM2.5 NAAQS; the 2012 annual PM2.5 NAAQS; the 2008 and 2015 eight-hour O3 NAAQS; the 2010 one-hour NO2 NAAQS; and the 2010 one-hour SO2 NAAQS.
Arkansas Regional Haze SO2 and PM SIP RevisionStatewide8/8/20183/22/2021, 86 FR 15104Approval of visibility transport portion of this regional haze SIP revision, as supplemented by the Arkansas 2015 O3 NAAQS Interstate Transport SIP Revision.

40 C.F.R. §52.170

63 FR 56927, Oct. 23, 1998, as amended at 65 FR 61107, Oct. 16, 2000; 66 FR 51316, Oct. 9, 2001; 71 FR 13545, Mar. 16, 2006; 72 FR 18396, Apr. 12, 2007; 72 FR 54561, Sept. 26, 2007; 74 FR 2386, Jan. 15, 2009; 75 FR 14080, Mar. 24, 2010; 77 FR 14675, 14676, Mar. 12, 2012; 77 FR 50037, Aug. 20, 2012; 78 FR 19598, Apr. 2, 2013; 78 FR 53270, Aug. 29, 2013; 80 FR 11574, Mar. 4, 2015; 80 FR 24218, Apr. 30, 2015; 80 FR 38627, July 7, 2015; 81 FR 1887, Jan. 14, 2016; 81 FR 24032, Apr. 25, 2016; 82 FR 60520, Dec. 21, 2017; 83 FR 5939, Feb. 12, 2018; 83 FR 6472, Feb. 14, 2018; 83 FR 30570, June 29, 2018; 83 FR 38966, Aug. 8, 2018; 83 FR 47571, Sept. 20, 2018; 84 FR 44228, Aug. 23, 2019; 84 FR 44236, Aug. 23, 2019; 84 FR 51053, Sept. 27, 2019; 84 FR 51988, Oct. 1, 2019; 84 FR 55865, Oct. 18, 2019; 86 FR 9293, Feb. 12, 2021; 86 FR 15131, Mar. 22, 2021; 86 FR 20290, Apr. 19, 2021; 88 FR 72688, Oct. 23, 2023; 88 FR 90123, Dec. 29, 2023
81 FR 1887, 1/14/2016; 81 FR 24032, 4/25/2016; 83 FR 5939, 3/14/2018 ; 83 FR 6472, 3/16/2018; 82 FR 60520, 3/21/2018; 83 FR 30570, 7/30/2018; 83 FR 38966, 11/6/2018; 83 FR 47571, 11/7/2018; 84 FR 44228, 8/23/2019; 84 FR 44236, 9/23/2019; 84 FR 51053, 10/28/2019; 84 FR 55865, 11/18/2019; 86 FR 9293, 2/12/2021; 86 FR 15131, 4/21/2021; 88 FR 72688, 11/22/2023; 88 FR 90123, 1/29/2024