SEDL / STP / STP1127-EB / STP15322S

Perimeter Radiation Monitors for the Control and Physical Security of Special Nuclear Materials

Fehlau, PE
Staff member, Los Alamos National Laboratory, Los Alamos, NM

Pages: 7    Published: Jan 1992

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Abstract

Perimeter radiation monitors are gamma-ray and neutron measurement systems that can provide timely notice of theft or diversion of special nuclear material (SNM). The monitors may be hand-held instruments operated by security inspectors or automatic pedestrian or vehicle monitors located in exit pathways. A monitor's performance depends on its design, the characteristics of SNM and the operating environment, and proper monitor calibration and maintenance. Goals of ASTM Subcommittee C26.12 are to describe monitoring technology, how to apply it, and how to test its performance.