(a) The following portions of the Arizona SIP are disapproved because they do not meet the requirements of Part D of the Clean Air Act.

(1) The attainment demonstration, conformity and contingency portions of the 1987 Maricopa Association of Governments Carbon Monoxide Plan and 1988 Addendum.

(2) [Reserved]

(b) The following Reasonably Available Control Technology (RACT) determinations are disapproved because they do not meet the requirements of Part D of the Clean Air Act.

(1) [Reserved]

(2) Maricopa County Air Quality Department. (i) RACT determinations for CTG source categories for Aerospace Coating and Industrial Adhesives (“National Emission Standards for Hazardous Air Pollutants for Source Categories: Aerospace Manufacturing and Rework” (59 FR 29216), “Control of Volatile Organic Compound Emissions from Coating Operations at Aerospace Manufacturing and Rework Operations” (EPA-453/R-97-004), and “Control Techniques Guidelines for Miscellaneous Industrial Adhesives” (EPA-453/R-08-005)), in the submittal titled “Analysis of Reasonably Available Control Technology for the 2008 8-Hour Ozone National Ambient Air Quality Standard (NAAQS) State Implementation Plan (RACT SIP),” dated December 5, 2016, as adopted on May 24, 2017 and submitted on June 22, 2017.

(ii) [Reserved]

(c) The following portions of the “Arizona State Implementation Plan Revision: Hayden Sulfur Dioxide Nonattainment Area for the 2010 SO2 NAAQS” are disapproved because they do not meet the requirements of Part D of the Clean Air Act:

(1) Attainment demonstration,

(2) Reasonably available control measures/reasonably available control technology,

(3) Enforceable emission limitations,

(4) Reasonable further progress, and

(5) Contingency measures.