Code of Federal Regulations Title 40. Protection of Environment § 40.52.62 Control strategy:  Sulfur oxides and particulate matter

(a) Determination of Attaining Data. EPA has determined, as of September 20, 2010, the Birmingham, Alabama, nonattainment area has attaining data for the 2006 24–hour PM_2.5 NAAQS. This clean data determination, in accordance with 40 CFR 51.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 2006 24–hour PM_2.5 NAAQS.

(b) Determination of Attaining Data. EPA has determined, as of May 31, 2011, the Chattanooga, Tennessee, nonattainment area has attaining data for the 1997 annual PM_2.5 NAAQS. This determination, in accordance with 40 CFR 52.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual PM_2.5 NAAQS.

(c) Determination of attaining data. EPA has determined, as of June 29, 2011, the Birmingham, Alabama, nonattainment area has attaining data for the 1997 annual PM_2.5 NAAQS. This determination, in accordance with 40 CFR 52.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual PM_2.5 NAAQS.

(d) Disapproval. EPA is disapproving portions of Alabama's Infrastructure SIP for the 2006 24–hour PM_2.5 NAAQS addressing interstate transport, specifically with respect to section 110(a)(2)(D)(i)(I).

(e) Disapproval. EPA is disapproving portions of Alabama's Infrastructure SIP for the 1997 annual and 2006 24–hour PM_2.5 NAAQS addressing section 110(a)(2)(E)(ii) that requires the State to comply with section 128 of the CAA.