; (9) the full number of currently contaminated lands that were contaminated at the time of conveyance pursuant to the Alaska Native Claims Settlement Act ( 43 U.S.C. 1601 et seq. ) is unknown; (10) it is not, and never was, the intent of Congress to convey lands that would still be contaminated in 2024 to Alaska Native Corporations for the settlement of aboriginal land claims in 1971; (11) there is an immediate need to address the environmental and health risks to Alaska Native Peoples due to the United States conveying contaminated lands and lands at risk for contamination to Alaska Native Corporations; and (12) addressing the environmental and health risks to Alaska Native Peoples due to the conveyance of contaminated lands by the United States to Alaska Native Peoples should be done rapidly, with certainty, without litigation, and in conformity with the real economic, social, and cultural needs of Alaska Native communities. (b) Duties of the Secretary of the Interior Not later than 180 days after the date of enactment of this Act, the Secretary of the Interior shall— (1) perform the duties established in the 2016 update to the Department of the Interior 1998 report entitled Hazardous Substance Contamination of Alaska Native Claims Settlement Act Lands in Alaska ; and (2) develop a cleanup plan for ANCSA land. (c) Report to Congress Not later than 180 days after the date of enactment of this Act, and each year thereafter for a period of 10 years, the Secretary of the Interior shall submit to Congress a report that describes the status of the performance of the duties required under subsection (b). 4. Brownfield revitalization funding eligibility (a) Alaska Native eligibility Section 104(k)(1) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k)(1) ) is amended— (1) in subparagraph (G), by striking other than in Alaska