Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley; Reclassification as Serious Nonattainment for the 1997 PM2.5 Standards

The Environmental Protection Agency (EPA) is taking final action to reclassify the San Joaquin Valley (SJV) Moderate nonattainment area, including areas of Indian country within it, as a Serious nonattainment area for the 1997 PM<INF>2.5</INF> national ambient air quality standards (NAAQS) based on EPA's determination that the area cannot practicably attain these NAAQS by the applicable attainment date of April 5, 2015 and in response to a request from the SJV Air Pollution Control District that we reclassify the area. As a consequence of this reclassification, California must submit a Serious area plan including a demonstration that the plan provides for attainment of the 1997 annual and 24-hour PM<INF>2.5</INF> standards in the SJV area by the applicable attainment date, which is no later than December 31, 2015, or by the most expeditious alternative date practicable, in accordance with the requirements of part D of title I of the Clean Air Act.