Extension of Public Comment Period for Proposed Rule on Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of California; PM-10; Affirmation of Determination of Attainment for the San Joaquin Valley Nonattainment Area

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The EPA is announcing an extension of the public comment period for the proposed rule entitled "Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of California; PM-10; Affirmation of Determination of Attainment for the San Joaquin Valley Nonattainment Area." The proposed rule was initially published in the Federal Register on August 27, 2007. Written comments on the proposed rule were to be submitted to EPA on or before September 26, 2007 (a 30-day comment period). The EPA is extending the public comment period until October 26, 2007.