Nuclear facility decommissioning practice for plant-221

This paper describes the practice of decommissioning nuclear facilities of the plant-221, including pre-preparation of decommissioning projects, implementing criteria, organizational management and quality assurance system for decommissioning, construction of decommissioning projects, decontaminating methods, operational monitoring, treatment and disposal of decommissioned radioactive contaminants and radiation survey for verification inspection of decommissioning termination. After being decommissioned to national acceptance standards, the whole plant-221 was transferred to local government for its unrestricted use. (authors)