by the United States government

“ Authority to establish visibility transport regions Whenever, upon the Administrator’s motion or by petition from the Governors of at least two affected States, the Administrator has reason to believe that the current or projected interstate transport of air pollutants from one or more States contributes significantly to visibility impairment in class I areas located in the affected States, the Administrator may establish a transport region for such pollutants that includes such States. ”

“ Federal Advisory Committee Act The visibility transport commissions shall be exempt from the requirements of the Federal Advisory Committee Act [5 U.S.C. App.] . (d) Duties of visibility transport commissions A Visibility Transport Commission—
(1) shall assess the scientific and technical data, studies, and other currently available information, including studies conducted pursuant to subsection (a) (1) of this section, pertaining to adverse impacts on visibility from potential or projected growth in emissions from sources located in the Visibility Transport Region ”