国际原子能机构应急计划区的发展研究

为了保证在发生核事故时能及时有效地采取防护行动以保护公众和环境，需要事先在核设施周围建立应急计划区，并在该区域内需要制定应急计划并做好应急准备。本文系统地介绍了国际原子能机构（IAEA）有关应急计划区发展历程及预防行动区（PAZ）和紧急防护行动计划区（UPZ）的特征，详细阐述了在福岛核事故后IAEA有关应急计划区的最新变化发展，重点分析了Ⅰ类威胁核设施的PAZ和UPZ的变化，为完善我国核电厂核应急工作提供启示与参考。

Review and Progresses in Studies of Emergency Planning Zones in IAEA

Emergency planning zone(EPZ) should be established around the nuclear facility in advance to ensure that the effective protective actions would be taken promptly for the public and environment in case of nuclear accident. The IAEA evolution of EPZ and the characteristic of PAZ and UPZ were introduced systematically. The new development of IAEA EPZ after Fukushima nuclear accident was elaborated and the PAZ and UPZ change of nuclear facility of threat category I was analyzed. The implication was summarized as references to improve nuclear emergency work in China.