The head of the disposal agency or his designee may -
(a) Assign to the Secretary of ED for disposal under 40 U.S.C. 550(c) surplus real property, including buildings, fixtures, and equipment, as recommended by the Secretary as being needed for school, classroom, or other educational use; or
(b) Assign to the Secretary of HHS for disposal under 40 U.S.C. 550 (d) such surplus real property, including buildings, fixtures, and equipment situated thereon, as recommended by the Secretary as being needed for use in the protection of public health, including research.