The Environmental Protection Agency (EPA) is taking final action to extend the compliance date for the Best Available Retrofit Technology (BART) emission limits for sulfur dioxide (SO<INF>2</INF>) at the P.H. Glatfelter Company (Glatfelter) facility submitted as part of its State Implementation Plan (SIP) Revision on April 14, 2014. Specifically, EPA is extending the compliance date for the SO<INF>2</INF> emission limits applicable to Boilers No. 7 and No. 8 at Glatfelter by 25 months, from December 31, 2014, to January 31, 2017. We have reviewed this SIP revision and concluded that it meets the requirements of the Clean Air Act and the regional haze rule and because BART requirements continue to be met.