For purposes of this subchapter:
(1) The term local educational agency means
(A) any local educational agency as defined in section
7801 of title
20;
(C) the governing authority of any
school operated pursuant to section
241 of title
20, as in effect before enactment of the Improving Americas Schools Act of 1994, or successor authority, relating to impact aid for children who reside on Federal property.
(3) The term radon means the radioactive gaseous element and its short-lived decay products produced by the disintegration of the element radium occurring in air, water, soil, or other media.
(4) The term
school building has the meaning given such term by section
2642 (13) of this title.