Which Nonattainment Areas are Required to Submit Control Strategy SIPs?
• Ozone nonattainment area – subpart 1(basic), and moderate and above, • CO nonattainment area – moderate (>12.7 ppm) and above, • Moderate and serious PM-10 nonattainment areas, • All PM-2.5 nonattainment areas, and • All NO2 nonattainment areas. Exhibits D-5 and D-6 summarize the requirements of conformity tests applicable to different nonattainment areas.