PFAS The term PFAS means perfluoroalkyl and polyfluoroalkyl substances that are man-made chemicals with at least 1 fully fluorinated carbon atom. (b) Grants The Administrator shall carry out a grant program to provide grants to States and Indian tribes to assist the owners and operators of community water systems affected by contamination by PFAS. (c) Authorization of appropriations There are authorized to be appropriated to the Administrator such sums as are necessary to carry out this section, to remain available until expended. . (c) Pretreatment standards Section 307 of the Federal Water Pollution Control Act ( 33 U.S.C. 1317 ) is amended by adding at the end the following: (f) PFAS pretreatment standards (1) Definitions In this subsection: (A) Fully fluorinated carbon atom The term fully fluorinated carbon atom means a carbon atom on which all the hydrogen substituents have been replaced by fluorine. (B) PFAS The term PFAS means perfluoroalkyl and polyfluoroalkyl substances that are man-made chemicals with at least 1 fully fluorinated carbon atom. (2) Standards required The Administrator shall establish pretreatment standards under subsection (b) for PFAS. (3) Grants (A) Establishment The Administrator shall carry out a grant program to provide assistance to publicly owned treatment works in implementing the pretreatment standards required under paragraph (2). (B) Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out this paragraph, to remain available until expended. . (d) Water infrastructure grants (1) Grants The Administrator shall carry out a grant program to assist in the development of water infrastructure. (2) Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out this subsection, to remain available until expended. 6. Prohibition against food contact substances containing perfluoroalkyl and polyfluoroalkyl substances Paragraph (6) of section 409(h) of the Federal Food, Drug, and