; (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 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. (e) Limitation Amounts in each Fund may only be used for the Good Samaritan project for which the funds were deposited. 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; (2) qualitative and quantitative data on the results achieved under the Good Samaritan permits before the date of issuance of the report; (3) a description of— (A) any problems encountered in administering this Act; and (B) whether the problems have been or can be remedied by administrative action (including amendments to existing law); (4) a description of progress made in achieving the purposes of this Act; and (5) recommendations on whether the Good Samaritan pilot program under this Act should be continued, including a description of any modifications (including amendments to existing law) required to continue administering this Act.