医疗回旋加速器的退役

[中文适用范围]： 本文件提供了关于医疗回旋加速器设施退役的信息和指南，重点关注被激活或污染的部件。文件中给出了退役策略和计划、安全评估以及各种退役活动的有用信息和指南。本文件还提供了使用蒙特卡洛模拟估算激活水平的指南，以及在运行和退役期间对主结构、系统组件及屏蔽墙、天花板和地板中激活放射性核素进行测量的方法。此外，文件还包括财务条款和放射性废物管理方面的内容。本文件可用于负责医疗回旋加速器设施运营和退役的组织。此外，预计设计医疗回旋加速器或管理回旋加速器产生的放射性废物的组织也可以在整体或部分方面参考或使用本文件。 [外文原描述]： This document provides information and guidelines on the decommissioning of a medical cyclotron facility, with a focus on activated or contaminated parts. Useful information and guidelines are given on decommissioning strategy and plan, safety assessment, and various decommissioning activities. This document also provides the guideline on the estimation of activation level using Monte Carlo simulation and the methodology for the measurement of activated radionuclides in the main structure, system components, and shielding walls, ceilings and floors during operation and decommissioning. Financial provisions and radioactive waste management aspects are also included. This document can be used by organizations responsible for operation and decommissioning of a medical cyclotron facility. In addition, it is expected that organizations that design a medical cyclotron or manage radioactive waste generated by cyclotron can utilize or refer to this document in whole or in part.