
From the U.S. Code Online via GPO Access
[wais.access.gpo.gov]
[Laws in effect as of January 23, 2000]
[Document not affected by Public Laws enacted between
  January 23, 2000 and December 4, 2001]
[CITE: 42USC7470]

 
                 TITLE 42--THE PUBLIC HEALTH AND WELFARE
 
            CHAPTER 85--AIR POLLUTION PREVENTION AND CONTROL
 
                  SUBCHAPTER I--PROGRAMS AND ACTIVITIES
 
     Part C--Prevention of Significant Deterioration of Air Quality
 
                          subpart i--clean air
 
Sec. 7470. Congressional declaration of purpose

    The purposes of this part are as follows:
        (1) to protect public health and welfare from any actual or 
    potential adverse effect which in the Administrator's judgment may 
    reasonably be anticipate \1\ to occur from air pollution or from 
    exposures to pollutants in other media, which pollutants originate 
    as emissions to the ambient air) \2\, notwithstanding attainment and 
    maintenance of all national ambient air quality standards;
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    \1\ So in original. Probably should be ``anticipated''.
    \2\ So in original. Section was enacted without an opening 
parenthesis.
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        (2) to preserve, protect, and enhance the air quality in 
    national parks, national wilderness areas, national monuments, 
    national seashores, and other areas of special national or regional 
    natural, recreational, scenic, or historic value;
        (3) to insure that economic growth will occur in a manner 
    consistent with the preservation of existing clean air resources;
        (4) to assure that emissions from any source in any State will 
    not interfere with any portion of the applicable implementation plan 
    to prevent significant deterioration of air quality for any other 
    State; and
        (5) to assure that any decision to permit increased air 
    pollution in any area to which this section applies is made only 
    after careful evaluation of all the consequences of such a decision 
    and after adequate procedural opportunities for informed public 
    participation in the decisionmaking process.

(July 14, 1955, ch. 360, title I, Sec. 160, as added Pub. L. 95-95, 
title I, Sec. 127(a), Aug. 7, 1977, 91 Stat. 731.)


                             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

    Section 127(c) of Pub. L. 95-95 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

    Section 127(d) of Pub. L. 95-95 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.

                  Section Referred to in Other Sections

    This section is referred to in section 7476 of this title.
