(a) The Arizona Department of Environmental Quality submitted on June 17, 1997 and June 29, 1999, the State of Arizona's Section 111(d) Plan for Existing Municipal Solid Waste Landfills.

(b) Control of landfill gas emissions from existing municipal solid waste landfills, submitted by the Arizona Department of Environmental Quality on July 24, 2018, to implement 40 CFR par 60, subpart Cf. The Plan includes the regulatory provisions cited in paragraph (f) of this section, which the EPA incorporates by reference.

(c) After March 20, 2020, the substantive requirements of the municipal solid waste landfills state plan are contained in paragraph (b) of this section and owners and operators of municipal solid waste landfills in Arizona must comply with the requirements in paragraph (b) of this section.

(d) Control of landfill gas emissions from existing municipal solid waste landfills, submitted by the Pinal County Air Quality Control District on March 4, 2019, to implement 40 CFR part 60, subpart Cf. The Plan includes the regulatory provisions cited in paragraph (f) of this section, which the EPA incorporates by reference.

(e) After March 20, 2020, the substantive requirements of the municipal solid waste landfills state plan are contained in paragraph (d) of this section and owners and operators of municipal solid waste landfills in Arizona must comply with the requirements in paragraph (d) of this section.

(f)

(1) The material incorporated by reference in this section was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. You may obtain copies at the EPA Region 9 office, 75 Hawthorne Street, San Francisco, California 94105, 415-947-8000 or from the source(s) listed in this paragraph (f). Copies may be inspected at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email [email protected] or go to: www.archives.gov/federal-register/cfr/ibr-locations.html.

(2) State of Arizona, Pinal County Air Quality Control District. Clerk of the Board, Pinal County, PO Box 827, Florence, AZ 85232.

(i) Pinal County Air Quality Control District Code of Regulations. Article 34: Standards of Performance for Existing Municipal Solid Waste Landfills—5-34-2050 Applicability, amended December 19, 2018.

(ii) Pinal County Air Quality Control District Code of Regulations. 6-1-030 Performance standards, Nos. 1, 2, and 75, amended December 19, 2018.

[85 FR 9389, Feb. 19, 2020]