; or (B) determining that any such substance or class of substances is unsafe within the meaning of such section. (c) First substances subject to reassessment The first ten substances or classes of substances reassessed by the Secretary under subsection (b) are the following: (1) Tert-butylhydroquinone. (2) Titanium dioxide. (3) Potassium bromate. (4) Perchlorate. (5) Butylated hydroxyanisole (BHA). (6) Butylated hydroxytoluene (BHT). (7) Brominated vegetable oil (BVO). (8) Propyl paraben. (9) Sodium nitrite. (10) Sulfuric acid. (d) Rule of construction Nothing in this section alters the authority or duties of the Secretary with respect to the administration and enforcement of section 409. (e) Food advisory committee Not later than 180 days after the date of enactment of the Food Chemical Reassessment Act of 2023, the Secretary shall re-establish the Food Advisory Committee to advise the Secretary with respect to— (1) the standards for reassessments conducted under this section; and (2) the process and methods necessary to complete the work of the Office. (f) Definitions In this section: (1) The term food contact substance has the meaning given such term in section 409(h)(6). (2) The term generally recognized as safe for use in food means, with respect to a substance used in food, that the substance is generally recognized, among experts qualified by scientific training and experience to evaluate its safety, as having been adequately shown through scientific procedures (or, in the case of a substance used in food prior to January 1, 1958, through either scientific procedures or experience based on common use in food) to be safe under the conditions of its intended use, as described in section 201(s). (3) The term prior-sanctioned substance means a substance described in paragraph (4) of section 201(s). .