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 radioactive waste. The government implements license management over licensees that have nuclear materials, and over licensees that produce, sell and use radioisotope and radiation-emitting devices based on categories and levels of radiation. It performs approval and online monitoring over the transport of radioactive materials and implements license management over licensees that design, manufacture, install, and perform nondestructive testing of civil nuclear safety equipment, and licensees that design and manufacture containers for the transport of radioactive materials. A risk-informed and problem-oriented review system has been established, and efforts are being made to enhance the capacity of independent verification and calculations, probabilistic safety assessment, and risk assessment.

Whole-process surveillance and law enforcement. The government performs rigorous surveillance of nuclear facilities and units that are engaged in nuclear activities in accordance with the law, to ensure compliance with nuclear safety laws, regulations, standards, and licensing requirements. It carries out regular surveillance of units that operate nuclear facilities, manufacture nuclear safety equipment, and utilize nuclear technologies, covering all matters and activities in relation to nuclear safety such as design, purchasing, manufacturing, construction, operation, and decommissioning. The government performs on-site safety surveillance of key nuclear facilities and activities, urges enterprises in violation of relevant regulations to rectify, and punishes those that violate the law. It has initiated special programs to handle major cases caused by quality issues, taking resolute action against operations involving falsification and violation of regulations. A national platform has been set up for nuclear power plants and research reactors to share experience and information, to effectively ensure the safe operation of nuclear facilities.

Round-the-clock radiation environment monitoring. China has established a three-tier radiation environment monitoring system at state, provincial and municipal level, and three networks – national radiation environment monitoring, surveillance monitoring of radiation environment in the vicinity of key nuclear facilities, and nuclear and radiation emergency monitoring – to monitor radiation environment round-the-clock in all areas. As of June 2019, the state radiation environment monitoring network had 1,501 monitoring sites: 167 automatic monitoring sites for atmospheric radiation, 328 land sites, 362 soil sites, 477 inland water sites, 48 seawater sites, 85 electromagnetic radiation sites, and 34 marine life sites. There were also 46 radiation environment surveillance monitoring systems set up in the vicinity of key nuclear facilities as well as sites set up to monitor radioactivity in food.