; and (B) additional controls or pollution prevention requirements. ; and (3) in subsection (b)— (A) in each of paragraphs (1)(D), (2)(B), and (3) through (7), by striking the semicolon at the end and inserting a period; (B) in paragraph (8), by striking ; and at the end and inserting a period; and (C) by adding at the end the following: (10) To ensure that no permit will be issued or renewed if, with respect to an application for the permit, the State determines, based on an analysis by the State of existing water quality and the potential cumulative impacts (as defined in section 501 of the Clean Air Act ( 42 U.S.C. 7661 )) of the discharge, considered in conjunction with the designated and actual uses of the impacted navigable water, that the terms and conditions of the permit or renewal would not be sufficient to ensure a reasonable certainty of no harm to the health of the general population, or to any potentially exposed or susceptible subpopulation. . (b) Clean Air Act (1) Definitions Section 501 of the Clean Air Act ( 42 U.S.C. 7661 ) is amended— (A) in the matter preceding paragraph (1), by striking As used in this title— and inserting In this title: ; (B) by redesignating paragraphs (2), (3), and (4) as paragraphs (3), (5), and (4), respectively, and moving the paragraphs so as to appear in numerical order; and (C) by inserting after paragraph (1) the following: (2) Cumulative impacts The term cumulative impacts means any exposure, public health or environmental risk, or other effect occurring in a specific geographical area, including from an emission or release— (A) including— (i) environmental pollution released— (I) (aa) routinely; (bb) accidentally; or (cc) otherwise; and (II) from any source, whether single or multiple; and (ii) as assessed based on the combined past, present, and reasonably foreseeable emissions and discharges affecting the geographical area