by the United States government

“ Whenever a Governor finds and demonstrates to the satisfaction of the Administrator, and the Administrator concurs in such finding, that with respect to a portion of a metropolitan statistical area or consolidated metropolitan statistical area, sources in the portion do not contribute significantly to violation of the national ambient air quality standard, the Administrator shall approve the Governor’s request to exclude such portion from the nonattainment area. ”

“ If the Governor fails to submit the list in whole or in part, as required under subparagraph (A) , the Administrator shall promulgate the designation that the Administrator deems appropriate for any area (or portion thereof) not designated by the State. (iii) If the Governor of any State, on the Governor’s own motion, under subparagraph (A) , submits a list of areas (or portions thereof) in the State designated as nonattainment, attainment, or unclassifiable, the Administrator shall act on such designations in accordance with the procedures under paragraph (3) (relating to redesignation) . ”

“ Responsibility of each State for air quality; submission of implementation plan Each State shall have the primary responsibility for assuring air quality within the entire geographic area comprising such State by submitting an implementation plan for such State which will specify the manner in which national primary and secondary ambient air quality standards will be achieved and maintained within each air quality control region in such State. ”