1. Short title This Act may be cited as the American Isotope Security Act . 2. Report on radioactive isotopes (a) In general Not later than 180 days after the date of enactment of this Act, the Secretary of Energy shall submit to the Committee on Energy and Commerce of the House of Representatives, the Committee on Science, Space, and Technology of the House of Representatives, the Committee on Energy and Natural Resources of the Senate, and the Committee on Environment and Public Works of the Senate a report on radioactive isotopes that includes— (1) a list of each radioactive isotope that can only be produced by a foreign government or foreign non-government person determined to be a foreign adversary under section 7.4 of title 15, Code of Federal Regulations, or any successor regulation; (2) a description of each radioactive isotope listed under paragraph (1), including how such radioactive isotope is produced and the potential uses of such radioactive isotope; (3) an examination of how reliance on any radioactive isotope listed under paragraph (1) may impact the national security of the United States; and (4) policy recommendations for bolstering production of radioactive isotopes in the United States, including recommendations relating to the advancement of advanced nuclear reactors and other technologies, including spent nuclear fuel recycling technologies, that may increase the potential to produce radioactive isotopes. (b) Definition In this section, the term radioactive isotope means any— (1) critical radioactive and stable isotope (as defined in section 311(a) of the Department of Energy Research and Innovation Act ( 42 U.S.C. 18649(a) ); or (2) medical isotope (as defined in section 134 of the Atomic Energy Act of 1954 ( 42 U.S.C. 2160d )).