PUBLIC LAW 101-549—NOV. 15, 1990 104 STAT. 2469 • SEC. 193. GENERAL SAVINGS CLAUSE. 42 USC 7515. "Each regulation, standard, rule, notice, order and guidance promulgated or issued by the Administrator under this Act, as in effect before the date of the enactment of the Clean Air Act Amendments of 1990 shall remain in effect according to its terms, except to the extent otherwise provided under this Act, inconsistent with any provision of this Act, or revised by the Administrator. No control requirement in effect, or required to be adopted by an order, settlement agreement, or plan in effect before the date of the enactment of the Clean Air Act Amendments of 1990 in any area which is a nonattainment area for any air pollutant may be modified after such enactment in any manner unless the modification insures equivalent or greater emission reductions of such air pollutant.". (m) BOUNDARY CHANGES.— Section 162(a) of the Clean Air Act (42 U.S.C. 7472(a)) is amended by adding at the end thereof the following: "The extent of the areas designated as Class I under this section shall conform to any changes in the boundaries of such areas which have occurred subsequent to the date of the enactment of the Clean Air Act Amendments of 1977, or which may occur subsequent to the date of the enactment of the Clean Air Act Amendments of 1990.". (n) BOUNDARIES.— Section 164(a) of the Clean Air Act (42 U.S.C. 7474(a)) is amended by inserting immediately before the sentence beginning "Any area (other than an area referred to in paragraph (1) or (2))" the following: "The extent of the areas referred to in paragraph (1) and (2) shall conform to any changes in the boundaries of such areas which have occurred subsequent to the date of the enactment of the Clean Air Act Amendments of 1977, or which may occur subsequent to the date of the enactment of the Clean Air Act Amendments of 1990.". (o) ASSESSMENTS. —Section 108 of the Clean Air Act (42 U.S.C. 7408) is amended by adding at the end thereof a new subsection (g) to read as follows: "(g) ASSESSMENT OF RISKS TO ECOSYSTEMS. —The Administrator may assess the risks to ecosystems from exposure to criteria air pollutants (as identified by the Administrator in the Administrator's sole discretion).". (p) PuBuc PARTICIPATION.— Section 307 of the Clean Air Act (42 U.S.C. 7607) is amended by adding the following after subsection (g): "(h) PuBuc PARTICIPATION. — It is the intent of Congress that. Regulations, consistent with the policy of the Administrative Procedures Act, the j- Administrator in promulgating any regulation under this Act, including a regulation subject to a deadline, shall ensure a reasonable period for public participation of at least 30 days, except as otherwise expressly provided in section 107(d), 172(a), 181(a) and (b), and 186(a) and (b).'\ (q) ETHICS, FINANCIAL DISCLOSURE, AND CONFLICTS OF INTEREST. — Repeal. Section 318 of the Clean Air Act (42 U.S.C. 7618) is repealed.". SEC. 109. INTERSTATE POLLUTION. (a) AMENDMENTS TO SECTION 126.— Section 126 of the Clean Air Act (42 U.S.C. 7426) is amended as follows: (1) In subsection (b)— (A) in the first sentence, following "major source", insert "or group of stationary sources"; and (B) strike "110(a)(2)(E)(i)" and insert in lieu thereof " 110(a)(2)(D)(ii) or this section". (2) In subsection (c)—
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