52.2620—Identification of plan.

(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 August 31, 2006 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 submitted by the state to EPA, and notice of any change in the material will be published in the Federal Register. Entries for paragraphs (c) and (d) of this section with EPA approval dates after August 31, 2006, 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 State Implementation Plan as of August 31, 2006.

(3) Copies of the materials incorporated by reference may be inspected at the Environmental Protection Agency, Region 8, 1595 Wynkoop Street, Denver, Colorado 80202-1129; the Environmental Protection Agency, Air and Radiation Docket and Information Center, Air Docket (6102), 1200 Pennsylvania Ave., NW., Washington, DC 20460; or the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go tohttp://www.archives.gov/federal-register/cfr/ibr-locations.html.

(1) State of Wyoming Regulations

State citation	Title/subject	State adopted andeffective date	EPA approval date and citation 1
Chapter 1
Section 2	Authority	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Definitions	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 4	Prevention of significant deterioration	7/27/06, 10/6/06	7/16/08, 73 FR 47050
Section 5	Unavoidable Equipment Malfunction	11/16/05, 1/30/06	4/16/10, 75 FR 19886
Section 6	Credible Evidence	10/23/00, 12/8/00	4/16/10, 75 FR 19886
Chapter 2
Section 2	Ambient standards for particulate matter	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Ambient standards for nitrogen oxides	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 4	Ambient standards for sulfur oxides	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 5	Ambient standards for carbon monoxide	9/13/99, 10/29/00	7/28/04, 69 FR 44965.
Section 6	Ambient standards for ozone	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 8	Ambient standards for suspended sulfates	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 10	Ambient standards for lead	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 3
Section 2	Emission standards for particulate matter	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Emission standards for nitrogen oxides	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 4	Emission standards for sulfur oxides	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 5	Emission standards for carbon monoxide	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 6	Emission standards for volatile organic compounds	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 4
Section 2	Existing sulfuric acid production units	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Existing nitric acid manufacturing plants	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 6
Section 2	Permit requirements for construction, modification, and operation	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 4	Prevention of significant deterioration	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 7
Section 2	Continuous monitoring requirements for existing sources	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 8
Section 2	Sweetwater County particulate matter regulations	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Conformity of general federal actions to state implementation plans	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 9
Code of Federal Regulations 1170
Section 2	Visibility	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 10
Section 2	Open burning restrictions	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Section 3	Wood waste burners	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 12
Section 2	Air pollution emergency episodes	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
Chapter 13
Section 2	Motor vehicle pollution control	9/13/99, 10/29/99	7/28/04, 69 FR 44965.
1 In order to determine the EPA effective date for a specific provision that is listed in this table, consult the Federal Register cited in this column for that particular provision.

(d) EPA-approved source-specific requirements.

Name of source	Nature of requirement	State submittal and effective date	EPA approval date and citation 2
FMC Corporation	Order containing schedule for compliance, interim requirements, and monitoring and reporting requirements	1/25/79, 4/25/79	7/2/79, 44 FR 38473
Black Hills Power and Light	Order containing schedule for compliance, interim requirements, and monitoring and reporting requirements	1/25/79, 4/25/79	7/2/79, 44 FR 38473
2 In order to determine the EPA effective date for a specific provision that is listed in this table, consult the Federal Register cited in this column for that particular provision.

(e) EPA-approved nonregulatory provisions.

Name of nonregulatory SIP provision	Applicable geographic or non-attainment area	State submittal date/adopted date	EPA approval date and citation 3	Explanations
I. Implementation Plan for the State of WyomingI. Introduction II. Legal Authority III. Control Strategy IV. Compliance Schedule V. Emergency Plan VI. Air Quality Surveillance VII. Review of New Sources and Modifications VIII. Source Surveillance IX. Resources X. Intergovernmental Cooperation IX. Reports and Revisions Appendices	Statewide	Submitted: 1/28/72, Adopted: 1/22/72, Additional letters submitted on 3/28/72 and 5/3/72	5/31/72, 37 FR 10842	Excluding: (1) the Wyoming Air Quality Act of 1967 and Wyoming Air Quality Standards and Regulations contained in Appendix E (more recent versions of these documents have been approved in the SIP); (2) Section III, paragraph following table I and Section IV, paragraph G (revisions to these paragraphs have subsequently been approved). (See II below.)
II. Revisions to Sections III (paragraph following Table I and IV (paragraph G) of the SIP	Statewide	Submitted: 5/29/73	7/3/74, 39 FR 24504
III. Inclusion of the Wyoming Environmental Quality Act, 1973, with amendments incorporated by the 1975 Wyoming State Legislature	Statewide	Submitted: 2/19/76	8/31/76, 41 FR 36652
Code of Federal Regulations 1171
IV. Revisions to Implementation Plan for Air Quality Control Plan State of Wyoming: addition of sections for Implementation Plan Reviews: Added to Air Quality Surveillance Chapter—Public Notification of Air Quality; and added to Intergovernmental Cooperation Chapter—Consultation	Statewide	Submitted: 1/25/79	7/2/79, 44 FR 38473
V. SIP for Total Suspended Particulate (TSP) Trona Area of Sweetwater County nonattainment area	Trona area of Sweetwater County	Submitted: 1/25/79	7/2/79, 44 FR 38473	SIP also contained source specific regulations that are now in Chapter 8, Section 2.
VI. Revision to Implementation Plan for Air Quality Control Plan State of Wyoming: Addition of section to Control Strategy Chapter for Implementation Plan Reviews	Statewide	4/30/91	4/19/83, 48 FR 16682
VII. SIP to meet Air Quality Monitoring 40 CFR part 58	Statewide	Submitted: 8/26/81	2/9/82, 47 FR 5892
VIII. Emergency Episode Contingency Plan	Statewide	Submitted: 8/26/81	2/9/82, 47 FR 5892
IX. Implementation Plan for Lead	Statewide	Submitted: 8/30/84	10/11/84, 49 FR 39843
X. Implementation Plan for Class I Visibility Protection	Statewide	Submitted: 9/6/88	2/15/89, 54 FR 6912
XI. Commitment to conduct stack height evaluations in accordance with the “Guideline for Determination of Good Engineering Practice Stack Height (Technical Support Document for the Stack Height Regulations),” EPA 450/4-80-023R, June, 1985	Statewide	Submitted: 12/9/88	3/17/89, 54 FR 11186
XII. Stack Height Demonstration Analyses	Statewide	Submitted: 8/5/86	6/7/89, 54 FR 24334
XIII. Implementation Plan on Air Quality Surveillance for Inhalable Particulate Matter (PM10)	Statewide	Submitted: 3/14/89, Adopted: 12/13/88	7/10/89 55 FR 28197
XIV. NOX Increment Implementation	Statewide	Submitted: 11/20/90	5/24/91, 56 FR 23811
XV. Small Business Program	Statewide	Submitted: 11/1/93	6/20/94, 59 FR 31548
XVI. Implementation Plan for PM-10 Control Strategies Sheridan, Wyoming (includes City of Sheridan—Air Quality Maintenance Plan)	Sheridan	Submitted: 8/28/89, Adopted: 7/17/89	6/23/94, 59 FR 32360	Approval does not include sections 2 and 3, Voluntary Curtailment of Solid Fuel Combustion and Industrial Sources.
XVII. Memorandum of Agreement on Procedures for Protecting PM10 NAAQS in the Powder River Basin	Powder River Basin	Signed: 12/22/93	9/12/95, 60 FR 47290
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 PM 2.5 standards	Statewide	Submitted: 5/3/07Adopted: 4/15/07	5/8/08, 73 FR 26019.
3 In order to determine the EPA effective date for a specific provision that is listed in this table, consult the Federal Register cited in this column for that particular provision.

Code of Federal Regulations

[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]