; (6) in paragraph (4), by striking subparagraph (C); (7) by amending paragraph (6) to read as follows: (6) Exception for standards with no feasible technologies (A) In general Notwithstanding paragraph (4), if the Administrator determines that there is no feasible technology to meet a maximum contaminant level, the Administrator may, after notice and opportunity for public comment, promulgate a maximum contaminant level for the contaminant that maximizes health risk reduction benefits and can be met with feasible technology. (B) Judicial review A determination by the Administrator that no feasible technology is available to meet a maximum contaminant level shall be considered an action pertaining to the establishment of a national primary drinking water regulation and subject to judicial review. ; (8) in paragraph (12)(B)(ii), by inserting (as in effect on the day before the date of enactment of the Safe Drinking Water Act Amendments of 2017 ) after paragraph (3)(B) ; (9) in paragraph (13)(B)(i), by inserting (as in effect on the day before the date of enactment of the Safe Drinking Water Act Amendments of 2017 ) after paragraph (3) ; and (10) in paragraph (13)(C), by inserting (as in effect on the day before the date of enactment of the Safe Drinking Water Act Amendments of 2017 ) after paragraph (3)(C) . (b) Additional conforming amendments (1) Section 1459 of the Safe Drinking Water Act ( 42 U.S.C. 300j–19 ) is amended— (A) by striking subsection (c)