For purposes of sections 71-3523 to 71-3528:

(1) Department means the Department of Health and Human Services;

(2) High-level radioactive waste has the definition found in section 81-1589; and

(3) Transuranic waste means radioactive waste material containing alpha-emitting radioactive elements, with radioactive half-lives greater than five years, having an atomic number greater than 92 in concentrations in excess of one hundred nanocuries per gram.