108 STAT. 3118 PUBLIC LAW 103-339—OCT. 6, 1994 in the same manner as lands within the park that are owned by the United States. SEC. 4. OBJECTS AFFECTING NAVIGABLE AIRSPACE. The conveyance document for any land transferred under this Act located within 6 nautical miles of an airport shall contain a provision that requires a determination of no hazard to air navigation to be obtained from the Federal Aviation Administration in accordance with applicable regulations governing objects affecting navigable airspace or under the authority of the Federal Aviation Act of 1958 (Public Law 85-726, as amended) in order for construction or alteration on the property to be permitted. SEC. 5. SEVERE CONTAMINATION. Notwithstanding any other provision of this Act, the Administrator of General Services, in his discretion, may choose not to transfer any parcel under this Act on which there is severe contamination, the remedy of which would require the United States to incur extraordinary costs. SEC. 6. APPLICATION OF FEDERAL AND TERRITORIAL LAWS. All Federal and territorial environmental laws and regulations shall apply to the parcels transferred pursuant to this Act during and after the transfer of such parcels. Approved October 6, 1994. LEGISLATIVE HISTORY—H.R. 2144: HOUSE REPORTS: No. 103-391, Pt. 1 (Comm. on Natural Resources). SENATE REPORTS: No. 103-293 (Comm. on Energy and Natural Resources). CONGRESSIONAL RECORD, Vol. 140 (1994): Jan. 26, considered and passed House. Sept. 21, considered and passed Senate.