Junk yard means any property utilized for breaking up, dismantling, sorting, storing, distributing, buying or selling of any scrap waste material, junk or used equipment or machinery of any nature.
Drum means any cylindrical metal shipping container of 13 to 110 gallon capacity.
Beam scattering foil means a thin piece of material (usually metallic) placed in the beam to scatter a beam of electrons in order to provide a more uniform electron distribution in the useful beam.
Leak of UPSI means communication of information which is/deemed to be UPSI by any person, who is in possession of UPSI, to any other person, directly or indirectly, overtly or covertly or in any manner whatsoever, except for legitimate purposes, performance of duties or discharge of legal obligations.
Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.