 So in original. Probably should be “anticipated”.

to occur from air pollution or from exposures to pollutants in other media, which pollutants originate as emissions to the ambient air) 

 So in original. Section was enacted without an opening parenthesis.

, notwithstanding attainment and maintenance of all national ambient air quality standards;

Statutory Notes and Related Subsidiaries

Effective Date

Subpart effective Aug. 7, 1977, except as otherwise expressly provided, see section 406(d) of Pub. L. 95–95, set out as an Effective Date of 1977 Amendment note under section 7401 of this title.

Guidance Document

Pub. L. 95–95, title I, § 127(c), Aug. 7, 1977, 91 Stat. 741, required Administrator, not later than 1 year after Aug. 7, 1977, to publish a guidance document to assist States in carrying out their functions under part C of title I of the Clean Air Act (this part) with respect to pollutants for which national ambient air quality standards are promulgated.

Study and Report on Progress Made in Program Relating to Significant Deterioration of Air Quality

Pub. L. 95–95, title I, § 127(d), Aug. 7, 1977, 91 Stat. 742, directed Administrator, not later than 2 years after Aug. 7, 1977, to complete a study and report to Congress on progress made in carrying out part C of title I of the Clean Air Act (this part) and the problems associated in carrying out such section.