(1) "By-product material" means any radioactive material (except special nuclear material) yielded in or made radioactive by exposure to the radiation incident to the process of producing or utilizing special nuclear material.

(2) "Ionizing radiation" means gamma rays and X rays, alpha and beta particles, electrons, neutrons, protons, and other atomic particles; but not sound or radio waves, or visible, infrared, or ultraviolet light.

(3) "General license" means a license effective pursuant to regulations promulgated under the provisions of this article without the filing of an application to transfer, acquire, own, possess or use quantities of, or devices or equipment utilizing by-product, source, special atomic energy materials, or other radioactive materials occurring naturally or produced artificially.

(4) "Specific license" means a license, issued after application, to use, manufacture, produce, transfer, receive, acquire, own, or possess quantities of, or devices or equipment utilizing by-product, source, special atomic energy materials, or other radioactive materials occurring naturally or produced artificially.

(5) "Atomic energy" means all forms of energy released in the course of nuclear fission or nuclear fusion or other atomic transformations.

(6) "Source material" means (a) uranium, thorium, or any other material which the Governor declares by order to be source material after the United States Atomic Energy Commission, or any successor thereto, has determined the material to be such; or (b) ores containing one or more of the foregoing materials, in such concentration as the Governor declares by order to be source material after the United States Atomic Energy Commission, or any successor thereto, has determined the material in such concentration to be source material.

(7) "Special atomic energy materials" mean (a) plutonium, uranium 233, uranium enriched in the isotope 233 or in the isotope 235, and any other material which the Governor declares by order to be special nuclear materials after the United States Atomic Energy Commission, or any successor thereto, has determined the material to be such, but does not include source material; or (b) any material artificially enriched by any of the foregoing, but does not include source material.

(8) "Emergency" means any condition existing outside the bounds of nuclear operating sites owned or licensed by a Federal agency and any condition existing within or outside of the jurisdictional confines of a facility licensed by the Department arising out of the handling or the transportation of by-product material, source material or special atomic energy materials, as hereinabove defined, and hereinafter referred to as radioactive material, which is endangering or could reasonably be expected to endanger the health and safety of the public, or to contaminate the environment.

(9) "Nonionizing radiation" for the purpose of this section shall mean only ultraviolet radiation used for the purpose of tanning the human body, and shall include ultraviolet radiation with wavelengths in air between two hundred and four hundred nanometers.

(10) "Decommissioning trust fund" means the trust fund established pursuant to a Trust Agreement dated March 4, 1981, among Chem-Nuclear Systems, Inc. (grantor), the State Fiscal Accountability Authority (beneficiary as the successor in interest to the South Carolina Budget and Control Board), and the South Carolina State Treasurer (trustee), whose purpose is to assure adequate funding for decommissioning of the disposal site, or any successor fund with a similar purpose.

(11) "Extended care maintenance fund" means the "escrow fund for perpetual care" that is used for custodial, surveillance, and maintenance costs during the period of institutional control and any post-closure observation period specified by the Department of Health and Environmental Control, and for activities associated with closure of the site as provided for in § 13-7-30(4).

(12) "Maintenance" means active maintenance activities as specified by the Department of Health and Environmental Control including pumping and treatment of groundwater and the repair and replacement of disposal unit covers.