; and (2) the Environmental Protection Agency. (b) Deposits Each Fund shall consist of— (1) amounts provided in appropriation Acts; (2) any proceeds from reprocessing deposited under section 4(f)(4)(B)(iv); (3) any financial assurance funds collected from an agreement described in section 4(m)(1)(A)(vi)(V)(bb); (4) any funds collected for long-term operations and maintenance under an agreement under section 4(r)(5); (5) any interest earned under an investment under subsection (c); (6) any proceeds from the sale or redemption of investments held in the Fund; and (7) any amounts donated to the Fund by any person. (c) Unused funds Amounts in each Fund not currently needed to carry out this Act shall be— (1) maintained as readily available or on deposit; (2) invested in obligations of the United States or guaranteed by the United States; or (3) invested in obligations, participations, or other instruments that are lawful investments for a fiduciary, a trust, or public funds. (d) Retain and use authority The Administrator and each head of a Federal land management agency, as appropriate, may, notwithstanding any other provision of law, retain and use money deposited in the applicable Fund without fiscal year limitation for the purpose of carrying out this Act. 6. Report to Congress (a) In general Not later than 8 years after the date of enactment of this Act, the Administrator, in consultation with the heads of Federal land management agencies, shall submit to the Committee on Environment and Public Works of the Senate and the Committees on Transportation and Infrastructure, Energy and Commerce, and Natural Resources of the House of Representatives a report evaluating the Good Samaritan pilot program under this Act. (b) Inclusions The report under subsection (a) shall include— (1) a description of— (A) the number, types, and objectives of Good Samaritan permits granted pursuant to this Act; and (B) each remediation project authorized by those Good Samaritan permits