The definitions set forth in this section apply throughout this chapter.

(1) "Radioactive waste" means unwanted radioactive material, including radioactive residues produced as a result of electric power generation or other reactor operation.

(2) "Medical waste" means radioactive waste from all therapy, diagnosis, or research in medical fields and radioactive waste which results from the production and manufacture of radioactive material used for therapy, diagnosis, or research in medical fields, except that "medical waste" does not include spent fuel or waste from the fuel of an isotope production reactor.

(3) "Radioactive waste generated or otherwise produced outside the geographic boundaries of the state of Washington" means radioactive waste which was located outside the state of Washington at the time of removal from a reactor vessel.