; and (3) in subsection (f)(1)— (A) in subparagraph (A), by inserting (other than a toxic chemical described in subparagraph (C)) after to a toxic chemical ; (B) in subparagraph (B), in the matter preceding clause (i), by inserting (other than a toxic chemical described in subparagraph (C)) after to a toxic chemical ; and (C) by adding at the end the following: (C) With respect to per- or poly­flu­o­ro­al­kyl substances manufactured, processed, or used at a facility, a total of 1,000 pounds of per- or polyfluoroalkyl substances per year. .