Indiana Code Title 10. Public Safety § 10-14-8-2

(1) irradiated reactor fuel;

(2) liquid wastes resulting from the operation of a first cycle solvent extraction system or its equivalent and the concentrated wastes from a subsequent extraction cycle or its equivalent in a facility for reprocessing irradiated reactor fuel;

(3) solids into which liquid wastes described in subdivision (2) have been converted;  and

(4) materials produced as a byproduct of the reactions that occur inside a nuclear reactor in either of the following forms: