In addition to the amounts authorized to be appropriated under section 106(k), there is authorized to be appropriated to the Secretary of Transportation, out of the Airport and Airway Trust Fund established under section 9502 of the Internal Revenue Code of 1986 (26 U.S.C. 9502), $4,200,000 for fiscal year 2004 and for each fiscal year thereafter to facilitate the timely processing, review, and completion of environmental activities associated with airport capacity enhancement projects at congested airports.