Abbreviation
CAA

controlled access area
CATU

closed administrative-territorial unit
DWU

Division work unit
LC

life cycle
MBA

material balance area
NM
nuclear materials
NPP
 nuclear power plant
NPPS
nuclear power propulsion system
NRF

nuclear research facility
PA

protected area
PGLR
power graphite loop reactor
PSS

protective security system
PVA

permissible volumetric activity
TC
training center
AARMS
Arms Automated radiation monitoring system
ACS
Automated control system
AGR
Advanced Gas-Cooled Reactor
AMFRM
automated monitoring of fissile radioactive materials
ARMS
automated radiation monitoring system
ASS

activity suppression setting