Page:United States Statutes at Large Volume 84 Part 2.djvu/348

 1678

PUBLIC LAW 91-604-DEC. 31, 1970

[84 STAT.

designated by the Governors of the affected States, which agency shall be capable of recommending to the Governors plans for implementation of national primary and secondary ambient air quality standards and shall include representation from the States and appropriate political subdivisions within the air quality control region. After the initial two-year period the Administrator is authorized to make grants to such agency in an amount up to three-fourths of the air quality planning program costs of such agency." AMBIENT AIR QUALITY AND EMISSION STANDARDS 81 Stat. 490. 42 USC 1857C-2. 42 USC 1857d1857f.

SEC. 4. (a) The Clean Air Act is amended by striking out section 107; by redesignating sections 108, 109, 110, and 111 as 115, 116, 117, and 118, respectively; and by inserting after section 106 the following new sections: " A I R Q U A L I T Y CONTROL REGIONS

Post, p. 1680.

"SEC. 107. (a) 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. "(b) For purposes of developing and carrying out implementation plans under section 110— " (1) an air quality control region designated under this section before the date of enactment of the Clean Air Amendments of 1970, or a region designated after such date under subsection (c), shall be an air quality control region; and "(2) the portion of such State which is not part of any such designated region shall be an air quality control region, but such portion may be subdivided by the State into two or more air quality control regions with the approval of the Administrator. "(c) The Administrator shall, within 90 days after the date of enactment of the Clean Air Amendments of 1970, after consultation with appropriate State and local authorities, designate as an air quality control region any interstate area or major intrastate area which he deems necessary or appropriate for the attainment and maintenance of ambient air quality standards. The Administrator shall immediately notify the Governors of the affected States of any designation made under this subsection. " A I R Q U A L I T Y C R I T E R I A A N D CONTROL TECHNIQUES

Air pollutant list, publication.

"SEC. 108. (a)(1) For the purpose of establishing national primary and secondary ambient air quality standards, the Administrator shall within 30 days after the date of enactment of the Clean Air Amendments of 1970 publish, and shall from time to time thereafter revise, a list which includes each air pollutant— " (A) which in his judgment has an adverse effect on public health or welfare; " (B) the presence of which in the ambient air results from numerous or diverse mobile or stationary sources; and " (C) for which air quality criteria had not been issued before the date of enactment of the Clean Air Amendments of 1970, but for which he plans to issue air quality criteria under this section. "(2) The Administrator shall issue air quality criteria for an air pollutant within 12 months after he has included such pollutant in a list under paragraph (1). Air quality criteria for an air pollutant shall accurately reflect the latest scientific knowledge useful in indicating

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