§ 52.670 Identification of plan.

(a) Purpose and scope. This section sets forth the applicable State implementation plan for Idaho under section 110 of the Clean Air Act, 42 U.S.C. 7401, 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 January 6, 2026, 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 notification 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 January 6, 2026, will be incorporated by reference in the next update to the SIP compilation. (2) EPA Region 10 certifies that the rules/regulations provided by the 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 the dates referenced in paragraph (b)(1) of this section. (3) Copies of the materials incorporated by reference may be inspected at the Region 10 EPA Office at 1200 Sixth Avenue, Suite 155, Seattle, WA 98101. To obtain the material, please call (206) 553-0256. You may inspect the material with an EPA approval date prior to January 6, 2026, for Idaho at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA email fedreg.legal@nara.gov or go to http://www.archives.gov/federal-register/cfr/ibr-locations.html. (c) EPA approved laws and regulations. Table 1 to Paragraph (c)—State Regulations Table 2 to Paragraph (c)—State Statutes Table 3 to Paragraph (c)—City and County Codes and Ordinances (d) EPA approved source-specific requirements. Table 4 to Paragraph (d)—State Source-Specific Requirements 1 (e) EPA approved nonregulatory provisions and quasi-regulatory measures. Table 5 to Paragraph (e)—State Provisions Approved But Not Incorporated by Reference Table 6 to Paragraph (e)—State Attainment, Maintenance, and Other Plans