Provided further , That the transfer authority provided under this heading is in addition to any other transfer authority provided elsewhere in this Act. Environmental restoration, Defense-Wide (including transfer of funds) For the Department of Defense, $19,002,000, to remain available until transferred: Provided , That the Secretary of Defense shall, upon determining that such funds are required for environmental restoration, reduction and recycling of hazardous waste, removal of unsafe buildings and debris of the Department of Defense, or for similar purposes, transfer the funds made available by this appropriation to other appropriations made available to the Department of Defense, to be merged with and to be available for the same purposes and for the same time period as the appropriations to which transferred: Provided further , That upon a determination that all or part of the funds transferred from this appropriation are not necessary for the purposes provided herein, such amounts may be transferred back to this appropriation: Provided further , That the transfer authority provided under this heading is in addition to any other transfer authority provided elsewhere in this Act. Environmental restoration, formerly used defense sites (including transfer of funds) For the Department of the Army, $248,673,000, to remain available until transferred: Provided , That the Secretary of the Army shall, upon determining that such funds are required for environmental restoration, reduction and recycling of hazardous waste, removal of unsafe buildings and debris at sites formerly used by the Department of Defense, transfer the funds made available by this appropriation to other appropriations made available to the Department of the Army, to be merged with and to be available for the same purposes and for the same time period as the appropriations to which transferred: Provided further , That upon a determination that all or part of the funds transferred from this appropriation are not necessary for the purposes