on the inventory under section 8(b)(1) of the Toxic Substances Control Act ( 15 U.S.C. 2607(b)(1) ). (2) Threshold for reporting (A) In general Subject to subparagraph (B), the threshold for reporting under section 313(f)(1) of the Emergency Planning and Community Right-To-Know Act of 1986 ( 42 U.S.C. 11203(f)(1) ) the substances and classes of substances included in the toxics release inventory under paragraph (1) is 100 pounds. (B) Revisions Not later than 5 years after the date of enactment of this Act, the Administrator shall— (i) determine whether revision of the thresholds under subparagraph (A) is warranted