; mixture The terms chemical substance and mixture have the meanings given those terms in section 3 of the Toxic Substances Control Act ( 15 U.S.C. 2602 ). (ii) Covered facility The term covered facility means a covered facility identified in the inventory. (iii) Inventory The term inventory means the inventory published under paragraph (11) of section 8(b) of the Toxic Substances Control Act ( 15 U.S.C. 2607(b) ). (B) Assessment Not later than April 1, 2027, taking into account the inventory, the Administrator shall conduct a single assessment of the aggregate, cumulative public health impacts on fenceline communities at covered facilities. (C) Requirements The assessment under subparagraph (B) shall— (i) ascertain the potentially exposed or susceptible subpopulations; (ii) estimate the magnitude of the potential health impacts on— (I) fenceline communities generally; and (II) more exposed or susceptible subpopulations specifically; (iii) determine which chemical substances or mixtures may be causing or contributing to potential adverse public health impacts; (iv) include an assessment of— (I) the cumulative exposures associated with covered facilities from all chemicals used to make plastic polymers; (II) the chemical substances (including plastic polymers, additives, and byproducts) produced from— (aa) the use of the plastic polymers as feedstocks for other chemicals; and (bb) waste-to-fuel technology; and (III) the impact of chemical substances (including plastic polymers, additives, and byproducts) on— (aa) the recyclability of plastics; (bb) the use of recycled content in food contact products and packaging; and (cc) public health; and (v) focus on— (I) communities located near covered facilities; (II) workers at covered facilities; (III) other potentially exposed or susceptible subpopulations; and (IV) impacts in other countries resulting from— (aa) volatile organic compounds, metals, and other toxic additives and air emissions of foreign recycling facilities