(A) any uranium or thorium processing site, including the mill, containing byproduct material for which a license (issued by the Nuclear Regulatory Commission or its predecessor agency under the Atomic Energy Act of 1954 [
42 U.S.C.
2011 et seq.], or by a State as permitted under section 274 of such Act (
42 U.S.C.
2021)) for the production at such site of any uranium or thorium derived from ore
(i) was in effect on January 1, 1978;
(ii) was issued or renewed after January 1, 1978; or
(iii) for which an application for renewal or issuance was pending on, or after January 1, 1978; and
(B) any other real property or improvement on such real property that is determined by the Secretary or by a State as permitted under section 274 of the Atomic Energy Act of 1954 (
42 U.S.C.
2021) to be
(i) in the vicinity of such site; and
(ii) contaminated with residual byproduct material;