To amend the Atomic Energy Act of 1954 to prohibit the disposal of non-byproduct material at certain mill tailings disposal sites, and for other purposes.

[AI summary unavailable — showing source text] Amends the Atomic Energy Act of 1954 to require the agreement of the Governor or chief executive officer of a State before: (1) any material (other than byproduct material which is generated at a site subject to regulation under specified provisions of the Uranium Mill Tailings Radiation Control Act of 1978) may be disposed of at that site in such State; or (2) any such byproduct material may be transported into such State for purposes of storage or disposal.…