; and (B) the Governor submits to the Administrator and the Delegate to the House of Representatives from Guam a detailed plan for the future use of such surplus property and makes such plan available on a public government website. (2) Navigable airspace The conveyance document for any surplus property that is real property transferred under this section located in a 6-mile radius of an airport shall contain a provision that requires a determination by the Federal Aviation Administration that no interference to air navigation exists in accordance with regulations set forth in subparts I and III of part A of subtitle VII of title 49, United States Code, in order for construction or alteration on the property to be permitted. (e) Severe contamination Notwithstanding any other provision of this Act, the Administrator may choose not to transfer any surplus property under this section on which there is severe contamination, the remedy of which would require the United States to incur extraordinary costs. (f) Supplement, not supplant The fair-market value, appraised or otherwise estimated, of any surplus property transferred to the government of Guam under this section shall be used to supplement and not supplant other Federal funds provided to the government of Guam as compensation or reimbursement for costs or impact expenses incurred by that affected jurisdiction pursuant to— (1) section 104(e)(6) of the Compact of Free Association Act of 1985 ( 48 U.S.C. 1904(e)(6) ); (2) section 104(e)(3) and section 104(e)(6) of the Compact of Free Association Amendments Act of 2003; and (3) any other impact aid provided to the government of Guam under any other authority. (g) Net-Negative land transfers Land parcels (or the value thereof) included in the inventory under section (3) and transferred by the Secretary of Defense to the government of Guam shall not be counted— (1) as compensation or reimbursement by the Federal Government for costs or impact expenses incurred by the territorial government