((a)) ** .—** Response costs and damages recovered by the Secretary under this subchapter or amounts recovered by the Federal Government under any Federal, State, or local law or regulation or otherwise as a result of destruction, loss of, or injury to any System unit resource shall be available to the Secretary and without further Congressional action may be used only as follows:
((1)) ** .—** To reimburse response costs and damage assessments by the Secretary or other Federal agencies as the Secretary considers appropriate.
((2)) ** .—** To restore, replace, or acquire the equivalent of System unit resources that were the subject of the action and to monitor and study those System unit resources. The funds may not be used to acquire any land or water, interest in land or water, or right to land or water unless the acquisition is specifically approved in advance in appropriations Acts. The acquisition shall be subject to any limitations contained in the legislation establishing the System unit.
((b)) ** .—** Any amounts remaining after expenditures pursuant to paragraphs (1) and (2) of subsection (a) shall be deposited in the Treasury.