Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to New Source Review Rules; Extension of Comment Period

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EPA is extending the comment period for a document published on December 7, 2005 (70 FR 72744). In the December 7, 2005 document, EPA proposed to approve those revisions adopted by Colorado on April 16, 2004 to Regulation No. 3 (Stationary Source Permitting and Air Pollutant Emission Notice Requirements) that incorporate EPA's December 31, 2002 NSR Reforms. At the request of several commentors, EPA is extending the comment period through February 6, 2006.