•SO2 NAAQS – Final June 2010
•Ozone NAAQS Reconsideration – Final August 2010
•Utility Boiler New Source Performance Standards (NSPS) and Maximum Achievable Control Technology (MACT) – Proposed March 2011 / Final November 2011
•Transport Rule II (NOx) – Proposed Summer 2011 / Final Summer 2012
•PM NAAQS – Proposed February 2011 / Final October 2011


