; and (2) provides for necessary revisions because of a revised map submitted under section 5. (d) Grants The Secretary may incur obligations to make grants from amounts available under section 8 to carry out a project under a part of a noise compatibility program approved under subsection (c). A grant may be made to a rail operator submitting the program to carry out the program directly or in cooperation with— (1) a local educational agency of a school that is subject to nonconforming noise levels; or (2) a unit of local government in the area surrounding the school that has nonconforming noise levels. (e) Federal share The Federal share of a project for which a grant is made under subsection (d) is 80 percent of the cost of the project. 7. Nonadmissibility of noise exposure map and related information as evidence No part of a noise exposure map or related information described in section 5 that is submitted to, or prepared by, the Secretary of Transportation and no part of a list of land uses the Secretary identifies as normally compatible with various exposures of individuals to noise may be admitted into evidence or used for any other purpose in a civil action asking for relief for noise resulting from the operation of a fixed rail public transportation facility. 8. Authorization of appropriations There are authorized to be appropriated from the Mass Transit Account of the Highway Trust Fund under section 5338 of title 49, United States Code, such funds as may be necessary to carry out this Act.