This standard specifies the principles for determining high and ultra-high radiation zones in nuclear power plants and the control measures for personnel entry. This standard applies to operating nuclear power plants. In principle, the provisions of this standard can also be referred to for entry control in high and ultra-high radiation areas of decommissioned nuclear power plants and other nuclear facilities.
EJ/T 1172-2004 history
2016NB/T 20383-2016 Control of access to high and super-high radiation areas in nuclear power plants
2004EJ/T 1172-2004 Control of access to high and super-high radiation areas in nuclear power plant
EJ/T 1172-2004 Control of access to high and super-high radiation areas in nuclear power plant was changed to NB/T 20383-2016 Control of access to high and super-high radiation areas in nuclear power plants.