(a) Purpose and scope. This section sets forth the applicable State Implementation Plan for Wyoming 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 or other requirements under the Clean Air Act.
(b) Incorporation by reference.
(1) Material listed in paragraphs (c) and (d) of this section with an EPA approval date prior to September 1, 2015, 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 September 1, 2015, will be incorporated by reference in the next update to the SIP compilation.
(2) EPA Region 8 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 September 1, 2015.
(3) Copies of the materials incorporated by reference may be inspected at the EPA Region 8 Office, Office of Partnerships and Regulatory Assistance (OPRA), Air Program, 1595 Wynkoop Street, Denver, Colorado 80202-1129 and at the National Archives and Records Administration (NARA). 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.
| Rule No. | Rule title | State effective date |
EPA Effective date |
Final rule citation/date | Comments |
|---|---|---|---|---|---|
| Chapter 01. Common Provisions. | |||||
| Section 02 | Authority | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 03 | Definitions | 2/14/2013 | 12/23/2013 | 78 FR 69998, 11/22/13 | |
| Section 04 | Diluting and concealing emissions | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 05 | Unavoidable equipment malfunction | 1/30/2006 | 6/15/2010 | 75 FR 19886, 4/16/10 | |
| Section 06 | Credible Evidence | 12/8/2000 | 6/15/2010 | 75 FR 19886, 4/16/10 | |
| Section 07 | Greenhouse gasses | 2/14/2013 | 12/23/2013 | 78 FR 69998, 11/22/13 | |
| Chapter 02. Ambient Standards. | |||||
| Section 02 | Ambient standards for particulate matter | 9/7/2010 | 10/27/2014 | 79 FR 50840, 8/26/14 | All, except Section 02(b) and (c). |
| Section 02 (b), (c), and (d) | Ambient standards for particulate matter | 10/13/2015 | 11/14/2016. | 81 FR 70364, 10/12/2016 | |
| Section 03 | Ambient standards for nitrogen oxides | 12/19/2012 | 11/14/2014 | 79 FR 54910, 9/15/14 | |
| Section 04 | Ambient standards for sulfur oxides | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 05 | Ambient standards for carbon monoxide | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 06 | Ambient Standards for ozone | 12/20/2016 | 10/22/2018 | 83 FR 47565, 9/20/2018 | |
| Section 08 | Ambient standards for suspended sulfates | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 10 | Ambient standards for lead | 9/7/2010 | 10/27/2014 | 79 FR 50840, 8/26/14 | |
| Section 12 | Incorporation by reference | 2/5/2018 | 10/22/2018 | 83 FR 47565, 9/20/2018 | |
| Chapter 03. General Emission Standards. | |||||
| Section 02 | Emission standards for particulate matter | 11/22/2013 | 11/20/2014 | 79 FR 62859, 10/21/14 | |
| Section 03 | Emission standards for nitrogen oxides | 12/20/2016 | 10/22/2018 | 83 FR 47565, 9/20/2018 | |
| Section 04 | Emission standards for sulfur oxides | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 05 | Emission standards for carbon monoxide | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 06 | Emission standards for volatile organic compounds | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 09 | Incorporation by reference | 2/5/2018 | 10/22/2018 | 83 FR 47565, 9/20/2018 | |
| Chapter 04. State Performance Standards for Specific Existing Sources. | |||||
| Section 02 | Existing sulfuric acid production units | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 03 | Existing nitric acid manufacturing plants | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Chapter 06. Permitting Requirements. | |||||
| Section 02 | Permit requirements for construction, modification, and operation | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 04 | Prevention of significant deterioration | 12/20/2016 | 10/22/2018 | 83 FR 47565, 9/20/18 | |
| Section 13 | Nonattainment new source review permit requirements | 10/13/2015 | 7/5/2016 | 6/2/2016, 81 FR 35273 | |
| Section 14 | Incorporation by reference | 2/5/2018 | 10/22/2018 | 83 FR 47565, 9/20/18 | |
| Chapter 07. Monitoring Regulations. | |||||
| Section 02 | Continuous monitoring requirements for existing sources | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Chapter 08. Non-attainment Area Regulations. | |||||
| Section 02 | Sweetwater County particulate matter regulations | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 03 | Conformity of general federal actions to state implementation plans | 2/5/2018 | 10/22/2018 | 83 FR 47565, 9/20/18 | |
| Section 05 | Ozone nonattainment emission inventory rule | 11/22/2013 | 10/24/2016. | 81 FR 58399, 8/25/16 | |
| Section 10 | Incorporation by reference | 2/5/2018 | 10/22/2018 | 83 FR 47565, 9/20/18 | |
| Chapter 09. Visibility Impairment/PM Fine Control. | |||||
| Section 02 | Visibility | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Chapter 10. Smoke Management. | |||||
| Section 02 | Open burning restrictions | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 03 | Wood waste burners | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Section 04 | Smoke management requirements | 4/5/2005 | 1/11/2013 | 77 FR 73926, 12/12/12 | |
| Chapter 12. Emergency Controls. | |||||
| Section 02 | Air pollution emergency episodes | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Chapter 13. Mobile Sources. | |||||
| Section 02 | Motor vehicle pollution control | 10/29/1999 | 8/27/2004 | 69 FR 44965, 7/28/04 | |
| Chapter 14. Emission Trading Program Regulations. | |||||
| Section 2 | Western backstop sulfur dioxide trading program | 5/7/2008 | 1/11/2013 | 77 FR 73926, 12/12/12 | |
| Section 3 | Sulfur dioxide milestone inventory | 2/5/2018 | 6/19/2019 | 84 FR 22725, 5/20/2019 | |
| App A | Web Chapter 14, Section 2 Monitoring Protocols | 5/7/2008 | 1/11/2013 | 77 FR 73926, 12/12/12 | |
| Chapter I. General Rules of Practice and Procedure. | |||||
| Section 16 | Air Quality Division, State Implementation Plan | 4/21/2016 | 5/25/2017 | 82 FR 18994, 4/25/2017 | CAA section 128 Requirements. |
(d) EPA-approved source specific requirements.
| Regulation | Rule title | State effective date |
EPA Effective date |
Final rule citation/date | Comments |
|---|---|---|---|---|---|
| Black Hills Power and Light | Order containing schedule for compliance, interim requirements, and monitoring and reporting requirements | 4/25/1979 | 8/1/1979 | 44 FR 38473, 7/2/79 | |
| FMC Corporation | Order containing schedule for compliance, interim requirements, and monitoring and reporting requirements | 4/25/1979 | 8/1/1979 | 44 FR 38473, 7/2/79 | |
| Naughton Unit 3 | Air Quality SIP Permits containing BART Alternative requirements, MD-15946 and P0021110 | Nov. 28, 2017 | Apr. 22, 2019. | 84 FR 10435,3/21/19 | Only the following permit provisions: NOX and PM emission limits (MD-15946 condition 5, for lb/hr and tons/year emission limits; P0021110, condition 7, for lb/MMbtu emission limits); emission limit compliance dates (P0021110, condition 7; MD-15946, conditions 5 and 6); heat input limit and compliance date (P0021110, condition 18); compliance date for coal pulverizers to be removed from service (P0021110, condition 19); and associated monitoring, recordkeeping, and reporting requirements (P0021110, conditions 4, 6, 8, 9, 10, 11, 12, 13, 14, 17, 18, 19, 21, and 24). |
(e) EPA-approved nonregulatory provisions.
| Rule No. | Rule title | State effective date |
EPA Effective date |
Final rule citation/date | Comments |
|---|---|---|---|---|---|
| (01) I | Introduction | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (02) II | Legal Authority | 2/19/1976 | 9/30/1976 | 41 FR 36652, 8/31/76 | |
| (03) III | Control Strategy | 8/30/1984 | 11/11/1984 | 49 FR 39843, 10/11/84 | |
| (04) IV | Compliance Schedule | 5/29/1973 | 8/2/1973 | 39 FR 24504, 7/03/73 | |
| (05) V | Emergency Episode Plan | 8/26/1981 | 4/12/1981 | 47 FR 5892, 2/09/81 | |
| (06) VI | Air Quality Surveillance | 12/13/1988 | 9/9/1988 | 55 FR 28197, 7/10/88 | |
| (07) VII | Review of New Sources and Modifications | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (08) VIII | Source Surveillance | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (09) IX | Resources | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (10) X | Intergovernmental Cooperation | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (11) XI | Reports and Revisions | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (12) XII | Visibility Protection Class I | 9/6/1988 | 3/17/1989 | 54 FR 6912, 2/15/89 | |
| (13) XIII | Sweetwater PM10 Attainment Plan | 1/25/1979 | 8/1/1979 | 44 FR 38473, 7/02/79 | |
| (14) XIV | Stack Height Good Engineering Practice | 12/9/1988 | 4/16/1989 | 54 FR 11186, 3/17/89 | |
| (15) XV | Small Business Assistance Program | 11/30/1993 | 8/19/1994 | 59 FR 31548, 6/20/94 | |
| (16) XVI | City of Sheridan—PM10 Air Quality Control and Maintenance Plan | 10/30/1990 | 7/25/1994 | 59 FR 32360, 6/23/94 | |
| (17) XVII | PSD Implementation for NOx | 11/20/1990 | 6/23/1991 | 56 FR 23811, 5/24/91 | |
| (18) XVIII | Interstate Transport, Wyoming Interstate Transport SIP satisfying the requirement of Section 110(a)(2)(D)(i) of the CAA for the 1997 8-hour ozone and PM2.5 standards | 4/15/2008 | 7/7/2008 | 73 FR 26019, 5/8/08 | |
| (19) XIX | Powder River Basin PM10 Memorandum of Agreement | 12/22/1993 | 10/11/1995 | 60 FR 47290, 9/12/95 | |
| (20) XX | Addressing Regional Haze Visibility Protection For The Mandatory Federal Class I Areas Required Under 40 CFR 51.309 | 4/5/2018 | 6/19/2019 | 84 FR 22725, 5/20/2019 | |
| (21) XXI | Infrastructure SIP for Section 110(a)(2)—1997 PM2.5 NAAQS | 3/26/2008 | 12/6/2013 | 78 FR 73445, 12/06/13 | |
| (22) XXII | Infrastructure SIP for Section 110(a)(2)—2006 PM2.5 NAAQS | 8/19/2011 | 9/9/2015 | 80 FR 47857, 8/10/2015 | |
| (23) XXIII | Infrastructure SIP for Section 110(a)(2)—1997 Ozone NAAQ | 12/10/2009 | 8/24/2011 | 76 FR 44265, 7/25/11 | |
| (24) XXIV | Air Quality Control Regions and Emissions Inventory | 1/22/1972 | 6/30/1972 | 37 FR 10842, 5/31/72 | |
| (25) XXV | Wyoming State Implementation Plan for Regional Haze for 309(g) | 1/12/2011 | 3/3/2014 | 79 FR 5032, 1/30/14 | Excluding portions of the following: Chapters 6.4, 6.5.7, 6.5.8, and 7.5. EPA disapproved (1) the NOX BART determinations for (a) Laramie River Units 1-3, (b) Dave Johnston Unit 3, and (c) Wyodak Unit 1; (2) the State's monitoring, recordkeeping, and reporting requirements for BART units; and (3) the State's reasonable progress goals. |
| (26)XXVI | Infrastructure SIP for Section 110(a)(2)(C) and (D)(i)(II) prong 3 for 2008 Ozone NAAQS | 02/06/2014 | 11/14/2016. | 81 FR 70364, 10/12/2016 | Only includes 111(a)(2)(C) and (D)(i)(II) prong 3 for 2008 Ozone NAAQS. |
| (27) XXVII | Interstate transport SIP for Section 110(a)(2)(D)(i) prong 1-2008 Ozone NAAQS; prongs 1, 2 and 4-2008 Pb NAAQS; prong 1 and 2-2010 NO2 NAAQS; prong 4-2010 SO2 NAAQS | 2/6/2014; 10/12/2011; 1/24/2014; 3/6/2015 | 3/6/2017 | 82 FR 9154, 2/3/17 | |
| (28) XXVIII | Infrastructure SIP for Section 110(a)(2)— 2008 Lead, 2008 Ozone, 2010 NO2, 2010 SO2, and 2012 PM2.5 NAAQS | 10/12/2011, 2/6/2014, 1/24/2014, 3/6/2015, and 6/24/2016 | 5/25/2017 | 82 FR 18994, 4/25/17 | |
| (29) XXIX | Sheridan 1987 PM10 Limited Maintenance Plan | 12/14/2015 | 5/4/2018 | 83 FR 14374, 4/4/18 | |
| (30) XXX | Interstate transport SIP for Section 110(a)(2)(D)(i)(I) prongs 1 and 2 for the 2012 PM2.5 NAAQS | 6/24/2016 | 8/6/2018 | 83 FR 31330, 7/5/2018 | |
| (31) XXXI | Interstate transport SIP for Section 110(a)(2)(D)(i)(I) prongs 1 and 2 for the 2010 SO2 NAAQS. | 3/6/2015 | 10/1/2018 | 83 FR 44503, 8/31/2018 | |
| (32) XXXII | Wyoming State Implementation Plan 5-Year Progress Report for Regional Haze, Appendix B: Alternative to BART for NOX and PM for PacifiCorp Naughton Unit 3 | 11/28/17 | 4/22/19 | 84 FR 1043, 3/21/19 | Only includes Appendix B: Alternative to BART for NOX and PM for PacifiCorp Naughton Unit 3. |
| (33) XXXIII | Interstate transport SIP for Section 110(a)(2)(D)(i)(I) prong 2 for the 2008 Ozone NAAQS | August 30, 2018 | 5/10/2019 | 84 FR 14271, 4/10/2019 | |
| (34) XXXIV | Infrastructure SIP for section 110(a)(2)—2015 Ozone NAAQS | 1/3/2019 | 3/25/2020 | 85 FR 10306, 2/24/2020 | The EPA is not acting on (D)(i)(I) Prong 1, and (D)(i)(I) Prong 2. The EPA is disapproving (D)(i)(II) Prong 4. |
[71 FR 64462, Nov. 2, 2006, as amended at 73 FR 26025, May 8, 2008; 73 FR 40752, July 16, 2008; 75 FR 19890, Apr. 16, 2010; 76 FR 44270, July 25, 2011; 77 FR 73933, Dec. 12, 2012; 78 FR 49690, Aug. 15, 2013; 78 FR 70000, Nov. 22, 2013; 78 FR 73448, Dec. 6, 2013; 79 FR 5219, Jan. 30, 2014; 79 FR 50843, Aug. 26, 2014; 79 FR 54912, Sept. 15, 2014; 79 FR 62861, Oct. 21, 2014; 80 FR 9201, Feb. 20, 2015; 80 FR 47859, Aug. 10, 2015; 80 FR 45609, July 31, 2015; 80 FR 68769, Nov. 6, 2015; 81 FR 35273, June 2, 2016; 81 FR 58399, Aug. 25, 2016; 81 FR 70364, Oct. 12, 2016; 82 FR 9154, Feb. 3, 2017; 82 FR 18994, Apr. 25, 2017; 83 FR 14374, Apr. 4, 2018; 83 FR 31330, July 5, 2018; 83 FR 44503, Aug. 31, 2018; 83 FR 47565, Sept. 20, 2018; 84 FR 10435, Mar. 21, 2019; 84 FR 14271, Apr. 10, 2019; 84 FR 22725, May 20, 2019; 85 FR 10306, Feb. 24, 2020]
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