As used in this part 2 of division IV, unless the context otherwise requires:
1. “Nuclear waste disposal site” means all facilities and appurtenances including all real and personal property connected with such facilities, which are acquired, leased, purchased, constructed, reconstructed, equipped, improved, extended, maintained, or operated to facilitate the final disposition of radioactive waste without creating a significant hazard to the public health or safety, and which are approved by the director.
2. “Radiation” means any ionizing radiation including, but not limited to, high-speed electrons, neutrons, protons and other nuclear particles, but not sound waves.
3. “Radioactive material” means any solid, liquid, or gaseous material which emits radiation spontaneously.
C83, §455B.331
86 Acts, ch 1245, §1899