Alabama (Birmingham fine particulate matter nonattainment area).

DOE adopted energy conservation standards for residential furnaces and for residential central air conditioners and heat pumps. 

Virginia (NAAQS for nitrogen dioxide (NO2)).

EPA finalized an update to a portion of the outer continental shelf air regulations for Alaska.

 Illinois/Missouri (attainment of the 1997 eight-hour ozone NAAQS for the St. Louis (Mo.-Ill.) metropolitan nonattainment area).

Georgia (attainment of the 1997 eight-hour ozone NAAQS for the Atlanta nonattainment area).

Georgia (attainment of the 1997 annual average fine particulate matter (PM) NAAQS for the Macon nonattainment area) 

EPA revised the performance standards for new stationary compression ignition internal combustion engines under CAA §111(b).

EPA finalized an update to a portion of the outer continental shelf air regulations for Alaska. 

EPA amended the NESHAP for the plating and polishing area source category to exclude bench-scale activities.