Document: 10 CFR Part 73
Document ID: 54aa87ba-52e2-431e-a375-a017c2df2a31
Document Type: cfr
Title: Definitions.
Source: 10 CFR Part 73
Source URL: https://www.ecfr.gov/current/title-10/part-73/section-73.2
Revision Date: 
Chapter: 
Section ID: 73.2
CFR Part: 73
CFR Title: 10

Content:
ntrusion alarm means a tamper indicating electrical, electromechanical, electrooptical, electronic or similar device which will detect intrusion by an individual into a building, protected area, vital area, or material access area, and alert guards or watchmen by means of actuated visible and audible signals. Isolation zone means any area adjacent to a physical barrier, clear of all objects which could conceal or shield an individual. Lock in the case of vaults or vault type rooms means a three-position, manipulation resistant, dial type, built-in combination lock or combination padlock and in the case of fences, walls, and buildings means an integral door lock or padlock which provides protection equivalent to a six-tumbler cylinder lock. Lock in the case of a vault or vault type room also means any manipulation resistant, electromechanical device which provides the same function as a built-in combination lock or combination padlock, which can be operated remotely or by the reading or insertion of information, which can be uniquely characterized, and which allows operation of the device. Locked means protected by an operable lock. Material access area means any location which contains special nuclear material, within a vault or a building, the roof, walls, and floor of which each constitute a physical barrier. Movement control center means an operations center which is remote from the transport activity and which maintains position information on the movement of special nuclear material or radioactive material; receives reports of actual or attempted attacks, thefts, or sabotage; provides a means for notifying these and other problems to the NRC and appropriate agencies; and can request and coordinate appropriate aid. Need to know means a determination by a person having responsibility for protecting Safeguards Information (including Safeguards Information designated as Safeguards Information—Modified Handling) that a proposed recipient's access to Safeguards