40 CFR § 52.170 Identification of plan | Code of Federal Regulations | US Law

40 CFR § 52.170

Identification of plan

June 9, 2020

CFR

(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.

EPA-Approved Regulations in the Arkansas SIP

Open Table

State citation	Title/subject	State submittal/effective date	EPA approval date	Explanation
Regulation No. 19: Regulations of the Arkansas Plan of Implementation for Air Pollution Control
Chapter 1: Title, Intent and Purpose
Reg. 19.101	Title	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.102	Applicability	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.103	Intent and Construction	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.104	Severability	11/18/2012	3/4/2015, 80 FR 11573
Chapter 2: Definitions
Chapter 2	Definitions	3/24/2017	8/8/2018, 83 FR 38964	The definition of VOC was approved on 12/21/2017, 82 FR 60517. The definition of National Ambient Air Quality Standards was approved on 9/20/2018, 83 FR 47569.
Chapter 3: Protection of the National Ambient Air Quality Standards
Reg. 19.301	Purpose	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.302	Department Responsibilities	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.303	Regulated Sources Responsibilities	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.304	Delegated Federal Programs	3/24/2017	8/8/2018, 83 FR 38964
Chapter 4: Minor Source Review
Reg. 19.401	General Applicability	3/24/2017	6/29/2018, 83 FR 30553	Includes supplemental information provided on 11/30/2015, 5/26/2016, 7/5/2017, and 3/16/2018.
Reg. 19.402	Approval Criteria	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.403	Owner/Operator's Responsibilities	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.404	Required Information	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.405	Action on Application	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.406	Public Participation	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.407	Permit Amendments	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.408	Exemption from Permitting	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.409	Transition	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.410	Permit Revocation and Cancellation	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.411	General Permits	7/26/2010	8/23/2019, 84 FR 44235
Reg. 19.412	Dispersion Modeling	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.413	Confidentiality	7/26/2010	8/23/2019, 84 FR 44235
Reg. 19.414	Operational Flexibility-Applicant's Duty to Apply for Alternative Scenarios	7/26/2010	8/23/2019, 84 FR 44235
Reg. 19.415	Changes Resulting in No Emissions Increases	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.416	Permit Flexibility	7/26/2010	8/23/2019, 84 FR 44235
Reg. 19.417	Registration	7/26/2010	6/29/2018, 83 FR 30553	Includes supplemental information provided on 11/30/2015, 5/26/2016, 7/5/2017, and 3/16/2018.
Chapter 5: General Emission Limitations Applicability to Equipment
Reg. 19.501	Purpose	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.502	General Regulations	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.503	Visible Emission Regulations	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.504	Stack Height/Dispersion Regulations	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.505	Revised Emissions Limitation	1/25/2009	3/4/2015, 80 FR 11573
Chapter 6: Upset and Emergency Conditions
Reg. 19.601	Upset Conditions	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.602	Emergency Conditions	1/25/2009	3/4/2015, 80 FR 11573
Chapter 7: Sampling, Monitoring, and Reporting Requirements
Reg. 19.701	Purpose	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.702	Air Emissions Sampling	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.703	Continuous Emissions Monitoring	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.704	Notice of Completion	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.705	Recordkeeping and Reporting Requirements	6/22/2007	1/15/2009, 74 FR 2383
Reg. 19.706	Public Availability of Emissions Data	2/3/2005	4/12/2007, 72 FR 18394
Chapter 9: Prevention of Significant Deterioration
Reg. 19.901	Title	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.902	Purposes	1/25/2009	4/2/2013, 78 FR 19596
Reg. 19.903	Definitions	3/24/2017	8/23/2019, 84 FR 44235
Reg. 19.904	Adoption of Regulations	3/24/2017	8/23/2019, 84 FR 44235
Chapter 10: Regulations for the Control of Volatile Organic Compounds in Pulaski County
Reg. 19.1001	Title	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1002	Purpose	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.1003	Definitions	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.1004	General Provisions	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.1005	Provisions for Specific Processes	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.1006	Severability	2/3/2005	4/12/2007, 72 FR 18394
Chapter 11: Major Source Permitting Procedures
Chapter 11	Major Source Permitting Procedures	3/24/2017	8/23/2019, 84 FR 44235
Chapter 13: Stage I Vapor Recovery
Reg. 19.1301	Provisions for Specific Processes	1/25/2009	3/4/2015, 80 FR 11573
Reg. 19.1302	Applicability	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1303	Definitions	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.1304	Exemptions	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1305	Prohibited Activities	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1306	Record Keeping	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1307	Inspections	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1308	Vapor Recovery Systems	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.1309	Gasoline Delivery Vessels	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1310	Owner/Operator Responsibility	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1311	Test Methods	2/3/2005	4/12/2007, 72 FR 18394
Reg. 19.1312	Effective Date	2/3/2005	4/12/2007, 72 FR 18394
Chapter 14—CAIR NOX Ozone Season Trading Program General Provisions
Reg. 19.1401	Adoption of Regulations	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.1402	State Trading Budget	7/15/2007	9/26/2007, 72 FR 54556
Reg. 19.1403	Timing Requirements for CAIR NOX Ozone Season Allowance Allocations	7/15/2007	9/26/2007, 72 FR 54556
Reg. 19.1404	CAIR NOX Ozone Season Allowance Allocations	9/16/2009	4/17/2014, 79 FR 21631
Chapter 15: Regional Haze
Reg. 19.1501	Purpose	1/25/2009	3/12/2012, 77 FR 14604
Reg. 19.1502	Definitions	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.1503	BART Eligible Sources	1/25/2009	3/12/2012, 77 FR 14604
Reg. 19.1504	Facilities Subject-to-BART	3/24/2017	8/8/2018, 83 FR 38964
Reg. 19.1505	BART Requirements	1/25/2009	3/12/2012, 77 FR 14604	The following portions of Reg. 19.1505 are disapproved: (A)(1) and (2), (B), (C), (D)(1) and (2), (E), (F)(1) and (2), (G)(1) and (2), (H), (I)(1) and (2), (J)(1) and (2), (K), (L), (M)(1), and (N).
Reg. 19.1506	Compliance Provisions	1/25/2009	3/12/2012, 77 FR 14604	The requirement to demonstrate compliance with the BART limits listed in Reg. 19.1505 (A)(1) and (2), (B), (C), (D)(1) and (2), (E), (F)(1) and (2), (G)(1) and (2), (H), (I)(1) and (2), (J)(1) and (2), (K), (L), (M)(1), and (N) is disapproved.
Reg. 19.1507	Permit Reopening	1/25/2009	3/12/2012, 77 FR 14604
Appendix A: Insignificant Activities List
Appendix A	Insignificant Activities List	3/24/2017	8/23/2019, 84 FR 44235
Appendix B: National Ambient Air Quality Standards List
Appendix B	National Ambient Air Quality Standards List	3/24/2017	8/8/2018, 83 FR 38964	The revision to Particle Pollution, PM2.5 was approved on 9/20/2018, 83 FR 47569.
Regulation 26: Regulations of the Arkansas Operating Permit Program
Chapter 3: Requirements for Permit Applicability
Reg. 26.301	Requirement for a permit	7/26/2010	8/23/2019, 84 FR 44235
Reg. 26.302	Sources subject to permitting	3/24/2017	8/23/2019, 84 FR 44235
Chapter 4: Applications for Permits
Reg. 26.401	Duty to apply	3/24/2017	8/23/2019, 84 FR 44235
Reg. 26.402	Standard application form and required information	3/24/2017	8/23/2019, 84 FR 44235
Reg. 26.407	Complete application	3/24/2017	8/23/2019, 84 FR 44235
Reg. 26.409	Applicant's duty to supplement correct application	7/26/2010	8/23/2019, 84 FR 44235
Reg. 26.410	Certification by responsible official	7/26/2010	8/23/2019, 84 FR 44235
Chapter 5: Action on Application
Reg. 26.501	Action on part 70 permit applications	7/26/2010	8/23/2019, 84 FR 44235
Reg. 26.502	Final action on permit application	3/24/2017	8/23/2019, 84 FR 44235
Chapter 6: Permit Review by the Public, Affected States, and EPA
Reg. 26.601	Applicability	7/26/2010	8/23/2019, 84 FR 44235
Reg. 26.602	Public participation	3/24/2017	8/23/2019, 84 FR 44235
Reg. 26.603	Transmission of permit information to the Administrator	3/24/2017	8/23/2019, 84 FR 44235
Reg. 26.604	Review of draft permit by affected States	3/24/2017	8/23/2019, 84 FR 44235
Regulation No. 31: Nonattainment New Source Review Requirements
Chapter 1: Title, Intent, and Purpose
Reg. 31.101	Title	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.102	Applicability	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.103	Severability	7/3/2006	4/12/2007, 72 FR 18394
Chapter 2: Definitions
Chapter 2	Definitions	7/3/2006	4/12/2007, 72 FR 18394
Chapter 3: Preconstruction review
Reg. 31.301	Requirement for a Permit	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.302	Required Information	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.303	Approval Criteria	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.304	Offsets	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.305	Zones Targeted for Economic Development	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.306	Control Technology Information	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.307	Approval to Construct	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.308	Applicability of Nonattainment Review	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.309	Applicability of Other Regulations	7/3/2006	4/12/2007, 72 FR 18394
Chapter 4: Applicability Tests
Reg. 31.401	Actual-to-Projected-Actual Applicability Test	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.402	Actual-to-Potential Test	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.403	[Reserved]	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.404	[Reserved]	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.405	Emission Baseline Credits	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.406	Relaxation of Limits	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.407	Modifications to Existing Units	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.408	Public Availability of Information	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.409	Applicability of Nitrogen Oxides	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.410	Offset Requirements	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.411	PM10 Precursors	7/3/2006	4/12/2007, 72 FR 18394
Chapter 5: [Reserved]
Chapter 6: [Reserved]
Chapter 7: [Reserved]
Chapter 8: Actual PALS
Reg. 31.801	Applicability	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.802	Definitions	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.803	Permit Application Requirements	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.804	General Requirements for Establishing PALs	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.805	Public Participation Requirement for PALs	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.806	Setting the 10-year Actuals PAL Level	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.807	Contents of the PAL Permit	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.808	Reopening of the PAL Permit	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.809	PAL Effective Period	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.810	Expiration of a PAL	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.811	Renewal of a PAL	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.812	Increasing a PAL During the PAL Effective Period	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.813	Monitoring Requirements for PALs	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.814	Recordkeeping Requirements	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.815	Reporting and Notification Requirements	7/3/2006	4/12/2007, 72 FR 18394
Reg. 31.816	Transition Requirements	7/3/2006	4/12/2007, 72 FR 18394
Chapter 9: Effective Date
Reg. 31.901	Effective Date	7/3/2006	4/12/2007, 72 FR 18394
Regulation No. 9: Fee Regulation
Chapter 1	Title	7/9/2012	4/30/2015, 80 FR 24216
Chapter 2	Definitions	7/9/2012	4/30/2015, 80 FR 24216	The 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 3	Permit Fee Payment	7/9/2012	4/30/2015, 80 FR 24216
Chapter 5	Air Permit Fees	7/9/2012	4/30/2015, 80 FR 24216
Chapter 9	Administrative Procedures	7/9/2012	4/30/2015, 80 FR 24216

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

EPA-Approved Arkansas Source-Specific Requirements

Open Table

Name of source	Permit or Order No.	State approval/ effective date	EPA approval date	Comments
Arkansas Electric Cooperative Corporation Carl E. Bailey Generating Station	Administrative Order LIS No. 18-071	8/7/2018	9/27/2019, 84 FR 51033	Unit 1.
Arkansas Electric Cooperative Corporation John L. McClellan Generating Station	Administrative Order LIS No. 18-071	8/7/2018	9/27/2019, 84 FR 51033	Unit 1.
Southwestern Electric Power Company Flint Creek Power Plant	Administrative Order LIS No. 18-072	8/7/2018	9/27/2019, 84 FR 51033	Unit 1.
Entergy Arkansas, Inc. Lake Catherine Plant	Administrative Order LIS No. 18-073	8/7/2018	9/27/2019, 84 FR 51033	Unit 4.
Entergy Arkansas, Inc. White Bluff Plant	Administrative Order LIS No. 18-073	8/7/2018	9/27/2019, 84 FR 51033	Units 1, 2, and Auxiliary Boiler.
Entergy Arkansas, Inc. Independence Plant	Administrative Order LIS No. 18-073	8/7/2018	9/27/2019, 84 FR 51033	Units 1 and 2.

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

EPA-Approved Statutes in the Arkansas SIP

Open Table

State citation	Title/subject	State submittal/ effective date	EPA approval date	Explanation
Arkansas Water and Air Pollution Control Act—Part I
82.1901	Title of Act	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1902	Definitions	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1903	Pollution Control Commission	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1904	Powers and Duties of Commission	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1905	Persons Operating Disposal System—Furnishing Information and Permitting Examinations and Surveys	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1906	Hearing Before Commission or Member—Appeal Procedure	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1907	Co-operation with Agency of Another State or United States	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1908	Actions Declared Public Nuisance—Permit to Construct, Make Changes in or Operate Disposal System—Submission of Plans	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82.1909	Violation of Act a Misdemeanor—Pollution a Nuisance—Abatement	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
Arkansas Environmental Permit Fees Act (Act 817 of 1983)
82-1916 thru 82-1921	Permit Fees Act	12/16/1985	11/12/1986, 51 FR 40975	Ref 522.200(c)(24).
Arkansas Water and Air Pollution Control Act—Part II
82-1931	Air Pollution-State Policy	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1932	Purpose of Act	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1933	Definitions	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1934	Exemptions	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1935	Powers of Commission	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1936	Factors in Exercise of Commission Powers	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1937	Industrial Secrets Confidential—Revealing a Misdemeanor	11/25/1985	8/4/1986, 51 FR 27840	Ref 52.200(c)(23).
82-1938	Unlawful Acts	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1939	Variance from Regulations	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1940	Application of Water Pollution Provisions	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1941	Political Subdivision Forbidden to Legislate on Air Pollution	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1942	Radiation Control Law Not Amended or Repealed—No Authority to Commission Over Employer-Employee Relationships	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
82-1943	Private Rights Unchanged	1/28/1972	5/31/1972, 37 FR 10841	Ref 52.200(a) & (b).
Small Business Assistance Program Act (Act 251 of 1993)
Act 251	SBAP Act	2/26/1993	3/8/1995, 60 FR 12691	Ref 52.200(c)(31).

EPA-Approved Control Measures in the Arkansas SIP

Open Table

Control measures	Applicable geographic or nonattainment area	State submittal/ effective date	EPA approval date	Explanation
Air Quality Surveillance	Statewide	4/24/1980	8/6/1981, 46 FR 40005	Ref 52.200(c)(6) & (20).
Lead SIP	Statewide	12/10/1979	4/16/1982, 47 FR 16328	Ref 52.200(c)(17).
Protection of Visibility in Mandatory Class I Federal Areas	Statewide	6/12/1985	2/10/1986, 51 FR 4910	Ref 52.200(c)(22).
Part II of the Visibility Protection Plan	Statewide	10/9/1987	7/21/1988, 53 FR 27514	Ref 52.200(c)(25).
Good Engineering Practice Stack Height Regulations	Statewide	6/1/1987	2/23/1989, 54 FR 7764	Ref 52.200(c)(26).
Small Business Stationary Source Technical and Environmental Compliance Assistance Program	Statewide	11/6/1992	3/8/1995, 60 FR 12691	Ref 52.200(c)(31).

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

Open Table

Name of SIP provision	Applicable geographic or nonattainment area	State submittal/ effective date	EPA approval date	Explanation
Emissions Inventory for Crittenden County	Crittenden County	6/22/2007	1/15/2009, 74 FR 2383
8-Hour Ozone Maintenance plan for the Crittenden County, Arkansas Area	Crittenden, Shelby County	2/26/2009	3/24/2010, 75 FR 14077
Interstate Transport for the 1997 ozone and PM2.5 NAAQS (Noninterference with measures required to protect visibility in any other State)	Statewide	3/28/2008	3/12/2012, 77 FR 14604	Noninterference with measures required to protect visibility in any other State partially approved 3/12/2012.
Regional Haze SIP	Statewide	9/23/2008, 8/3/2010	3/12/2012, 77 FR 14604	The 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 NAAQS	Statewide	12/17/2007 3/28/2008	8/20/2012, 77 FR 50033	Approval 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 NAAQS	Statewide	3/28/2008, 9/16/2009, 12/1/2014	3/4/2015, 80 FR 11573	Approval 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)	Statewide	4/5/2011	8/20/2012, 77 FR 50033	Approved 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)	Statewide	12/17/2007 9/16/2009	8/29/2013, 78 FR 53269
Crittenden County Base Year Emission Inventory for the 2008 Ozone Standard	Crittenden County	8/28/2015	1/13/2016, 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 Area	Crittenden County portion of Memphis, TN-AR-MS Nonattainment Area	12/10/2015	4/25/2016, 81 FR 24030
Arkansas Regional Haze NOX SIP Revision	Statewide	10/31/2017	2/12/2018, 83 FR 5927	Regional 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 NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval for 110(a)(2)(D)(ii).
Infrastructure for the 2008 Pb NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval for 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L) and (M).
Infrastructure for the 2008 O3 NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval 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 NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval 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 NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval 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 NAAQS	Statewide	3/24/2017	2/14/2018, 83 FR 6470	Approval 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 Revision	Statewide	August 8, 2018	9/27/20199/27/2019, 84 FR 51033	Regional 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 Report	Statewide	June 2, 2015	October 1, 2019, 84 FR 51986

[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]

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