Document: 10 CFR Part 50
Document ID: 95bb6c95-4469-43d8-aa77-b4d3038159b8
Document Type: cfr
Title: Definitions.
Source: 10 CFR Part 50
Source URL: https://www.ecfr.gov/current/title-10/part-50/section-50.2
Revision Date: 
Chapter: 
Section ID: 50.2
CFR Part: 50
CFR Title: 10

Content:
§ 50.2 Definitions. As used in this part, Act means the Atomic Energy Act of 1954 (68 Stat. 919) including any amendments thereto. Alternate ac source means an alternating current (ac) power source that is available to and located at or nearby a nuclear power plant and meets the following requirements: ( 1 ) Is connectable to but not normally connected to the offsite or onsite emergency ac power systems; ( 2 ) Has minimum potential for common mode failure with offsite power or the onsite emergency ac power sources; ( 3 ) Is available in a timely manner after the onset of station blackout; and ( 4 ) Has sufficient capacity and reliability for operation of all systems required for coping with station blackout and for the time required to bring and maintain the plant in safe shutdown (non-design basis accident). Applicant means a person or an entity applying for a license, permit, or other form of Commission permission or approval under this part or part 52 of this chapter . Atomic energy means all forms of energy released in the course of nuclear fission or nuclear transformation. Atomic weapon means any device utilizing atomic energy, exclusive of the means for transporting or propelling the device (where such means is a separable and divisible part of the device), the prinicipal purpose of which is for use as, or for development of, a weapon, a weapon prototype, or a weapon test device. Basic component means, for the purposes of § 50.55(e) of this chapter : ( 1 ) When applied to nuclear power reactors, any plant structure, system, component, or part thereof necessary to assure ( i ) The integrity of the reactor coolant pressure boundary, ( ii ) The capability to shut down the reactor and maintain it in a safe shutdown condition, or ( iii ) The capability to prevent or mitigate the consequences of accidents which could result in potential offsite exposures comparable to those referred to in § 50.34(a)(1) , § 50.67(b)(2) , or § 100.11 of this chapter , as