Code of Federal Regulations (Last Updated: October 10, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 52 - Approval and Promulgation of Implementation Plans |
Subpart CC - Nebraska |
§ 52.1420 - Identification of Plan.
-
§ 52.1420 Identification of plan.
(a) Purpose and scope. This section sets forth the applicable SIP for Nebraska under section 110 of the CAA, 42 U.S.C. 7401 et seq., and 40 CFR Part 51 to meet NAAQS.
(b) Incorporation by reference.
(1) Material listed in paragraphs (c) and (d) of this section with an EPA approval date prior to December 31, 2014, 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 31, 2014, will be incorporated by reference in the next update to the SIP compilation.
(2) EPA Region 7 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 which have been approved as part of the SIP as of December 31, 2014.
(3) Copies of the materials incorporated by reference may be inspected at the Environmental Protection Agency, Region 7, Air Planning and Development Branch, 11201 Renner Boulevard, Lenexa, Kansas 66219; at the EPA, Air and Radiation Docket and Information Center, and the National Archives and Records Administration (NARA). If you wish to obtain material from the EPA Regional Office, please call (913) 551-7089. For information on the availability of this material at NARA, call (202) 741-6030, or go to: www.archives.gov/federal-register/cfr/ibr-locations.html.
(c) EPA-approved regulations.
EPA-Approved Nebraska Regulations
Nebraska
citationTitle State effective date EPA approval date Explanation STATE OF NEBRASKA Department of Environmental QualityEnvironment and Energy Title 129—Nebraska Air Quality Regulations 129-1 General Provisions; Definitions 79/1528/2018 42022 8/1216/20192024, 84 FR 14878 The definition of “solid waste” is not approved into the SIP. The second sentence beginning at “Solid waste” and ending at “discarded material”, is not approved into the SIP. 129-2 Definition of Major Source 2/6/2008 4/17/2020, 85 FR 21329 129-3 Region and Subregions: How Classified 6/26/1994 1/4/1995, 60 FR 372 129-4 Ambient Air Quality Standards 7/15/2018 4/12/2019, 84 FR 14878 129-5 Operating Permits—When Required 2/16/2008 10/7/2016, 81 FR 69695 129-6 Emissions Reporting; When Required 11/20/2002 9/5/2003, 68 FR 52691 129-7 Operating Permits—Application 8/22/2000 5/29/2002, 67 FR 37325 129-8 Operating Permit Content 6/24/2019 5/15/2020, 85 FR 29329 129-9 General Operating Permits for Class I and II Sources 11/20/2002 10/7/2016, 81 FR 69695 129-10 Operating Permits for Temporary Sources 9/7/1997 1/20/2000, 65 FR 3130 129-11 Operating Permits—Emergency; Defense 6/26/1994 1/4/1995, 60 FR 372 129-12 Operating Permit Renewal and Expiration 5/29/1995 2/9/1996, 61 FR 4899 129-13 Class I Operating Permit—EPA Review; Affected States Review; Class II Permit 6/26/1994 1/4/1995, 60 FR 372 129-14 Permits—Public Participation 2/6/2008 3/22/2011, 76 FR 15852 129-15 Operating Permit Modifications; Reopening for Cause 5/13/2014 4/6/2018, 83 FR 14762 129-16 Stack Heights; Good Engineering Practice (GEP) 12/15/1998 5/29/2002, 67 FR 37325 129-17 Construction Permits—When Required 4/1/2012 8/4/2014, 79 FR 45108 Approval does not include Nebraska's revisions to sections 001.02T and 013.04T pertaining to ethanol production facilities, which were not submitted by the State. 129-19 Prevention of Significant Deterioration of Air Quality 12/9/2013 10/11/2016, 81 FR 70023. 129-20 Particulate Emissions: Limitations and Standards 7/15/2018 4/12/2019, 84 FR 14878 129-21 Controls for Transferring, Conveying, Railcar and Truck Loading at Rock Processing Operations in Cass County 7/10/2002 7/8/2003, 68 FR 40528 129-22 Incinerators; Emission Standards 12/9/2013 10/11/2016, 81 FR 70023. 129-24 Sulfur Compound Emissions; Existing Sources Emission Standards 6/26/1994 1/4/1995, 60 FR 372 129-25 Nitrogen Oxides (Calculated as Nitrogen Dioxide); Emissions Standards for Existing Stationary Sources 9/7/1997 1/20/2000, 65 FR 3130 129-30 Open Fires 7/3/2010 10/7/2016, 81 FR 69695 129-32 Dust; Duty to Prevent Escape of 6/26/1994 1/4/1995, 60 FR 372 129-33 Compliance; Time Schedule for 6/26/1994 1/4/1995, 60 FR 372 129-34 Emission Sources; Testing; Monitoring 7/15/2018 4/12/2019, 84 FR 14878 129-35 Compliance; Exceptions Due to Startup, Shutdown, or Malfunction 9/7/1997 1/20/2000, 65 FR 3130 129-36 Control Regulations; Circumvention, When Excepted 6/26/1994 1/4/1995, 60 FR 372 129-37 Compliance; Responsibility 6/26/1994 1/4/1995, 60 FR 372 129-38 Emergency Episodes; Occurrence and Control, Contingency Plans 6/26/1994 1/4/1995, 60 FR 372 129-41 General Provisions 12/15/1998 5/29/2002, 67 FR 37325 129-42 Permits-By-Rule 11/20/20024/8/20035/7/20057/10/2006, 71 FR 38776 129-43 Visibility Protection 2/6/2008 6/28/2018, 83 FR 30352 129-44 Consolidated with Chapter 41 5/29/1995 2/9/1996, 61 FR 4899 Appendix I Emergency Emission Reductions 6/26/1994 1/4/1995, 60 FR 372 Appendix II Hazardous Air Pollutants (HAPS) 5/7/2005 7/10/2006, 71 FR 38776 89 FR 66609 129-2 Nebraska Air Quality Standards 9/28/2022 8/16/2024, 89 FR 66609 Section 002 total reduced sulfur (TRS) is not approved into the SIP. 129-3 Construction Permits 9/28/2022 8/16/2024, 89 FR 66609 129-4 Prevention of Significant Deterioration (PSD) 9/28/2022 8/16/2024, 89 FR 66609 129-6 Operating Permits 9/28/2022 8/16/2024, 89 FR 66609 129-7 General Permits 9/28/2022 8/16/2024, 89 FR 66609 129-8 Permits-By-Rule 9/28/2022 8/16/2024, 89 FR 66609 129-9 Permit Revisions; Reopening For Cause 9/28/2022 8/16/2024, 89 FR 66609 129-10 Permits—Public Participation 9/28/2022 8/16/2024, 89 FR 66609 129-11 Emissions Reporting, When Required 9/28/2022 8/16/2024, 89 FR 66609 129-14 Incinerators, Emission Standards 9/28/2022 8/16/2024, 89 FR 66609 129-15 Compliance 9/28/2022 8/16/2024, 89 FR 66609 129-16 Sulfur Compound and Nitrogen Dioxides Emissions Standards 9/28/2022 8/16/2024, 89 FR 66609 Appendix I Hazardous Air Pollutants Sorted by CAS Number 9/28/2022 8/16/2024, 89 FR 66609 Appendix II Air Pollution Emergency Episodes 9/28/2022 8/16/2024, 89 FR 66609 Title 115—Rules of Practice and Procedure 115-1 Adoption of Model Rules 6/24/2019 5/18/2021, 86 FR 26843 115-2 Confidentiality for Trade Secrets 6/24/2019 5/18/2021, 86 FR 26843 115-3 Public Hearings 6/24/2019 5/18/2021, 86 FR 26843 Nebraska Revised Statute 81-1502 Terms Defined 1502 Terms Defined 3/21/2019 8/16/2024, 89 FR 66609 The following paragraphs of Nebraska Revised Statute 81-1502 are approved into the SIP: (2) Air pollution; (3) Chairperson; and (10) Person. Lincoln-Lancaster County Air Pollution Control Program Article 1—Administration and Enforcement Section 1 Intent 5/16/1995 2/14/1996, 61 FR 56991 Section 2 Unlawful Acts—Permits Required 5/16/1995 2/14/1996, 61 FR 5699 Section 3 Violations—Hearings—Orders 5/16/1995 2/14/1996, 61 FR 5699 Section 4 Appeal Procedure 5/16/1995 2/14/1996, 61 FR 5699 Section 5 Variance 5/16/1995 2/14/1996, 61 FR 5699 Section 7 Compliance—Actions to Enforce—Penalties for Non-Compliance 5/16/1995 2/14/1996, 61 FR 5699 Section 8 Procedure for Abatement 5/16/1995 2/14/1996, 61 FR 5699 Section 9 Severability 5/16/1995 2/14/1996, 61 FR 5699 Article 2—Regulations and Standards Section 1 Definitions 8/11/1998 1/20/2000, 65 FR 3130 Section 2 Major Sources—Defined 8/11/1998 1/20/2000, 65 FR 3130 Section 4 Ambient Air Quality Standards 5/16/1995 2/14/1996, 61 FR 5699 Section 5 Operating Permits—When Required 8/11/1998 1/20/2000, 65 FR 3130 Section 6 Emissions Reporting—When Required 8/11/1998 1/20/2000, 65 FR 3130 Section 7 Operating Permit—Application 8/11/1998 1/20/2000, 65 FR 3130 Section 8 Operating Permit—Content 8/11/1998 1/20/2000, 65 FR 3130 Section 9 General Operating Permits for Class I and II Sources 5/16/1995 2/14/1996, 61 FR 5699 Section 10 Operating Permits for Temporary Services 5/16/1995 2/14/1996, 61 FR 5699 Section 11 Emergency Operating Permits—Defense 5/16/1995 2/14/1996, 61 FR 5699 Section 12 Operating Permit Renewal and Expiration 5/16/1995 2/14/1996, 61 FR 5699 Section 14 Permits—Public Participation 5/16/1995 2/14/1996, 61 FR 5699 Section 15 Operating Permit Modifications—Reopening for Cause 8/11/1998 1/20/2000, 65 FR 3130 Section 16 Stack—Heights—Good Engineering Practice (GEP) 5/16/1995 2/14/1996, 61 FR 5699 Section 17 Construction Permits—When Required 8/11/1998 1/20/2000, 65 FR 3130 Section 20 Particulate Emissions—Limitations and Standards 3/31/1997 1/20/2000, 65 FR 3130 Section 22 Incinerator Emissions 5/16/1995 2/14/1996, 61 FR 5699 Section 24 Sulfur Compound Emissions—Existing Sources—Emission Standards 5/16/1995 2/14/1996, 61 FR 5699 Section 25 Nitrogen Oxides (Calculated as Nitrogen Dioxide)—Emissions Standards for Existing Stationary Sources 5/16/1995 2/14/1996, 61 FR 5699 Section 32 Dust—Duty to Prevent Escape of 3/31/1997 1/20/2000, 65 FR 3130 Section 33 Compliance—Time Schedule for 5/16/1995 2/14/1996, 61 FR 5699 Section 34 Emission Sources—Testing—Monitoring 5/16/1995 2/14/1996, 61 FR 5699 Section 35 Compliance—Exceptions Due to Startup Shutdown or Malfunction 5/16/1995 2/14/1996, 61 FR 5699 Section 36 Control Regulations—Circumvention—When Expected 5/16/1995 2/14/1996, 61 FR 5699 Section 37 Compliance—Responsibility of Owner/Operator Pending Review by Director 5/16/1995 2/14/1996, 61 FR 5699 Section 38 Emergency Episodes—Occurrence and Control—Contingency Plans 5/16/1995 2/14/1996, 61 FR 5699 Appendix I Emergency Emission Reduction Regulations 5/16/1995 2/14/1996, 61 FR 5699 City of Omaha Chapter 41—Air Quality Control Article I—In General 41-2 Adoption of State Regulations with Exceptions 4/1/1998 1/20/2000, 65 FR 3130 41-4 Enforcement—Generally 5/29/1995 2/14/1996, 61 FR 5699 41-5 Same Health Department 5/29/1995 2/14/1996, 61 FR 5699 41-6 Residential Exemptions 5/29/1995 2/14/1996, 61 FR 5699 41-9 Penalties 5/29/1995 2/14/1996, 61 FR 5699 41-10 Civil Enforcement 5/29/1995 2/14/1996, 61 FR 5699 Article II—Permitting of Air Contaminant Sources 41-23 Prerequisite to Approval 5/29/1995 2/14/1996, 61 FR 5699 41-27 Signature Required; Guarantee 5/29/1995 2/14/1996, 61 FR 5699 41-38 Funds 5/29/1995 2/14/1996, 61 FR 5699 41-40 Fees—When Delinquent 5/29/1995 2/14/1996, 61 FR 5699 Article IV—Waste Incinerators—Division 1. Generally 41-60 Definitions 5/29/1995 2/14/1996, 61 FR 5699 41-61 Violations 5/29/1995 2/14/1996, 61 FR 5699 Article IV—Waste Incinerators—Division 2. Emissions 41-70 New or Modified Facilities 5/29/1995 2/14/1996, 61 FR 5699 41-71 Existing Facilities 5/29/1995 2/14/1996, 61 FR 5699 41-72 Emission Testing 5/29/1995 2/14/1996, 61 FR 5699 Article IV—Waste Incinerators—Division 3. Design 41-80 New or Modified Waste Incinerators 5/29/1995 2/14/1996, 61 FR 5699 41-81 Existing Incinerators 5/29/1995 2/14/1996, 61 FR 5699 (d) EPA-approved state source-specific permits.
EPA-Approved Nebraska Source-Specific Permits
Name of source Permit No. State effective date EPA approval date Explanation (1) Gould, Inc 677 11/9/1983 1/31/1985, 50 FR 4510 (2) Asarco, Inc. 1520 6/6/1996 3/20/1997, 62 FR 13329 The EPA did not approve paragraph 19. (3) Nebraska Public Power District, Gerald Gentleman Station CP07-0050 5/11/2010 7/6/2012, 78 FR 40140 EPA has only approved the elements of the permit pertaining to NOX requirements. (4) Omaha Public Power District, Nebraska City Station CP07-0049 2/26/2009 7/6/2012, 78 FR 40140 (e) EPA-approved nonregulatory provisions and quasi-regulatory measures.
EPA-Approved Nebraska Nonregulatory Provisions
Name of nonregulatory SIP provision Applicable geographic or nonattainment area State
submittal dateEPA approval date Explanation (1) Air Quality Implementation Plan Statewide 1/28/1972 5/31/1972, 37 FR 10842 (2) Confirmation That the State Does Not Have Air Quality Control Standards Based on Attorney General's Disapproval Statewide 4/25/1972 5/31/1972, 37 FR 10842 (3) Request for Two-Year Extension to Meet the Primary NOX Standard Omaha 1/24/1972 7/27/1972, 37 FR 15080 (4) Clarification of Section 11 of the State's Plan Statewide 2/16/1972 7/27/1972, 37 FR 15080 (5) Letters Clarifying the Application of the State's Emergency Episode Rule Omaha 10/2/1972 5/14/1973, 38 FR 12696 (6) Analysis of Ambient Air Quality in Standard Metropolitan Statistical Areas and Recommendations for Air Quality Maintenance Areas Omaha, Lincoln, Sioux City 5/9/1974 6/2/1975, 40 FR 23746 [FRL 369-8]. (7) Amended State Law (LB1029) Giving the Department of Environmental Quality Authority to Require Monitoring of Emissions, Reporting of Emissions and Release of Emissions Data Statewide 2/10/1976 6/23/1976, 41 FR 25898 [FRL 564-5]. (8) Air Monitoring Plan Statewide 6/19/1981 10/6/1981, 46 FR 49122 [A-7-FRL-1933-1]. (9) TSP Nonattainment Plan Douglas and Cass Counties 9/25/1980
8/9/19823/28/1983, 48 FR 12715 [EPA Action NE 129; A-7-FRL 2302-8]. (10) Plan for Intergovernmental Consultation and Coordination and for Public Notification Statewide 8/9/1982 7/5/1983, 48 FR 30631 [EPA Action NE 1123; A-7-FRL 2353-7]. (11) Lead Plan Statewide except Omaha 1/9/1981
8/5/1981
1/11/198311/29/1983, 48 FR 53697 [AD-FRL 2479-3; EPA Action NE 1122] The plan was approved except that portion pertaining to Omaha. (12) Lead Nonattainment Plan Omaha 7/24/1984
11/17/1983
8/1/19841/31/1985, 50 FR 4510 [NE 1418; A-7-FRL-2768-3]. (13) CO Nonattainment Plan Omaha 4/3/1985 9/15/1986, 51 FR 32640 [A-7-FRL-3065-7]. (14) CO Nonattainment Plan Lincoln 4/3/1985 9/19/1986, 51 FR 33264 [A-7-FRL-3082-8]. (15) Revised Lead Nonattainment Plan Omaha 2/2/1987 8/3/1987, 52 FR 28694 [A-7-FRL-3238-2]. (16) Letter Pertaining to NOX Rules and Analysis Which Certifies the Material Became Effective on February 20, 1991 Statewide 3/8/1991 7/2/1991, 56 FR 30335 [FRL-3968-7] State submittal date is date of the letter. (17) Small Business Assistance Program Statewide 11/12/1992 8/30/1993, 58 FR 45452 [NE-4-1-5861; FRL-4694-6]. (18) Class II Operating Permit Program Including Letter Committing to Submit Information to RACT/BACT/LAER Clearinghouse, Letter Regarding Availability of State Operating Permits to the EPA and Specified Emissions Limits in Permits, and Letter Regarding the Increase in New Source Review Thresholds Statewide 2/16/1994 1/4/1995, 60 FR 372 [NE-6-1-6445a; FRL-5115-3]. (19) Letter from City of Omaha Regarding Authority to Implement Section 112(l) and Letter from the State Regarding Rule Omissions and PSD Program Implementation Omaha, Lincoln 9/13/1995
11/9/19952/14/1996, 61 FR 5725 [NE-9-1-7220b, FRL-5409-8]. State submittal dates are dates of letters. (20) Lincoln Municipal Code, Chapter 8.06.140 and 8.06.145 City of Lincoln 2/5/1999 1/20/2000, 65 FR 3130 [NE 071-1071a, FRL-6521-6]. (21) Lancaster Co. Resolution 5069, Sections 12 and 13 Lancaster County 2/5/1999 1/20/2000, 65 FR 3130 [NE 071-1071a, FRL-6521-6]. (22) Nebraska Lead Maintenance SIP Omaha 1/18/2001 4/20/2001, 66 FR 20196 [Region 7 Tracking No. 0124-1124(b), FRL-6968-5]. (23) CAA 110(1)(2)(D)(i) SIP—Interstate Transport Statewide 5/18/2007 12/17/2007, 72 FR 71245 [EPA-R07-OAR-2007-1128, FRL-8507-1]. (24) Section 110(a)(2) Infrastructure Requirements for the 1997 8-Hour Ozone NAAQS Statewide 12/7/2007 7/8/2011, 76 FR 40258 [EPA-R07-OAR-2011-0310, FRL-9434-4]. This action addresses the following CAA elements as applicable: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M). (25) Regional haze plan for the first implementation period Statewide 6/30/2011 7/6/2012, 78 FR 40150 [EPA-R07-OAR-2012-0158; FRL-9689-2]. The plan was approved except for that portion pertaining to SO2 BART for Nebraska Public Power District, Gerald Gentleman Units 1 and 2, and the portion of the long- term strategy addressing the SO2 BART measures for these Units. (26) Section 110(a)(2) Infrastructure Requirements for the 2008 Pb NAAQS Statewide 10/18/2011 10/21/2014, 79 FR 62832 [EPA-R07-OAR-2014-0685; FRL-9918-13-Region 7]. This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M). (27) Section 128 Declaration: Nebraska Department of Environmental Quality Representation and Conflicts of Interest Provisions, Section 49-1493(13) of the NE Political Accountability and Disclosure Act and Chapter 2 of Title 4, NE Accountability and Disclosure Commission Statewide 8/22/2013 10/21/2014, 79 FR 62832 [EPA-R07-OAR-2014-0685; FRL-9918-13-Region 7]. This declaration is contained within Nebraska's 2010 Sulfur Dioxide NAAQS Infrastructure SIP submission concerning Section 110(a)(2)(E) of the CAA. (28) Cross State Air Pollution Rule—State-Determined Allowance Allocations for the 2016 control periods Statewide 3/30/2015 9/15/2015, 80 FR 55272 (29) Section 110(a)(2) Infrastructure Requirements for the 2008 O3 NAAQS Statewide 2/11/2013 9/15/2015, 80 FR 55267 [EPA-R07-OAR-2015-0270; Region 7] This action addresses the following CAA elements 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M). (30) Section 110(a)(2) Infrastructure Requirements for the 1997 and 2006 PM2.5 NAAQS Statewide 4/3/2008
8/29/20118/27/2015, 80 FR 51954 This action addresses the following CAA elements 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M). (31) Section 110(a)(2) Infrastructure Requirements for the 2008 O3 NAAQS Statewide 2/11/2013 1/11/2016, 81 FR 1123 [EPA-R07-OAR-2015-0710; 9941-04-Region 7] This action addresses the following CAA elements: 110(a)(2)(D)(i) (I)—Prongs 1 and 2. (32) Section 110(a)(2) Infrastructure Requirements for the 2010 NO2 NAAQS Statewide 2/7/2013 4/3/2018, 83 FR 14179 This action addresses the following CAA elements 110(a)(2)(A) through (C), (D)(i)(I)—Prongs 1 and 2, (D)(i)(II)—Prong 3, (D)(ii), (E) through (H), and (J) through (M). [EPA-R07-OAR-2017-0477; FRL-9976-09-Region 7]. (33) Section 110(a)(2) Infrastructure Requirements for the 2010 SO2 NAAQS Statewide 8/22/2013 4/3/2018, 83 FR 14179 This action addresses the following CAA elements 110(a)(2)(A) through (C), (D)(i)(II)—Prong 3, (D)(ii), (E) through (H), and (J) through (M). [EPA-R07-OAR-2017-0477; FRL-9976-09-Region 7]. (34) Section 110(a)(2) Infrastructure Requirements for the 2010 PM2.5 NAAQS Statewide 2/22/2016 4/3/2018, 83 FR 14179 This action addresses the following CAA elements 110(a)(2)(A) through (C), (D)(i)(II)—Prong 3, (D)(ii), (E) through (H), and (J) through (M). [EPA-R07-OAR-2017-0477; FRL-9976-09-Region 7]. (35) Sections 110 (a)(1) and (2) Infrastructure Requirements for the 2015 O3 NAAQS Statewide 9/24/2018 4/17/2020, 85 FR 21325 This action approves for the O3 NAAQS: The following CAA elements: 110(a)(1) and (2): (A) through (C), (D)(i)(I)—prongs 1 and 2, (D)(i)(II)—prong 3, (D)(ii), (E) through (H), and (J) through (M). EPA-R07-OAR-2019-0083; FRL-10007-78-Region 7. (36) Section 110(a)(2) (D)(i)(I)—significant contribution to nonattainment (prong 1), and interfering with maintenance of the NAAQs (prong 2) (Interstate Transport) Infrastructure Requirements for the 2012 Annual Fine Particulate Matter (PM2.5) NAAQS Statewide 2/22/2016 9/6/2019, 84 FR 46887 This action approves the following CAA elements: 110(a)(1) and 110(a)(2 (D)(i)(I)—prongs 1 and 2 [EPA-R07-OAR-2019-0332; FRL-9998-89-Region 7]. (37) Section 110(a)(2)(D)(i)(I)—significant contribution to nonattainment (prong 1), and interfering with maintenance of the NAAQs (prong 2) (Interstate Transport) Infrastructure Requirements for the 2010 SO2 NAAQS Statewide 10/27/2020 8/11/2021, 86 FR 43960 [EPA-R07-OAR-2021-0365; FRL-8705-02-Region 7]. This action addresses the following CAA elements: 110(a)(2)(D)(i)(I)—prongs 1 and 2. [64 FR 7103, Feb. 12, 1999]