韩国月城核电站泄漏约265千克重水

Core Viewpoint - A heavy water leak incident occurred at the Wolseong Nuclear Power Plant in South Korea, with approximately 265 kilograms of heavy water leaked, but no radiation abnormalities detected [3]. Group 1: Incident Details - The leak was reported on September 19, 2025, at the Wolseong Nuclear Power Plant Unit 2, located in Gyeongju, North Gyeongsang Province [3]. - The leak was contained within the facility, and the surrounding radiation levels were reported as normal [3]. - The incident took place during a routine maintenance shutdown of the unit, and the operator, Korea Hydro & Nuclear Power, promptly shut down the relevant nuclear pumps upon detection of the leak [3]. Group 2: Previous Incidents - This incident marks the second leak reported at the Wolseong Nuclear Power Plant in 2025, following a previous incident on January 12, where approximately 29 tons of untested nuclear waste liquid were discharged into the sea while the unit was operational [3].