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Japan's Reports on Conditions at TEPCO's Fukushima Daiichi Nuclear Power Station

Results of groundwater and sea water monitoring analyses have shown no significant change of radioactivity in sampled groundwater and sea water at the Fukushima Daiichi nuclear power plant, according to the report on the discharge record and the sea water monitoring results, which was provided by Japan on 2 November to all missions in Tokyo.

The report covers the record and monitoring data of the discharge of groundwater from the subdrain and groundwater drain systems in September and October, as well as the discharge of groundwater for bypassing in October. It includes measurements taken by Tokyo Electric Power Corporation (TEPCO), as well as detailed analyses by a third-party institution. The results of analysis show that radiation levels have been substantially below the operational targets.

The report also includes the results of analysis of sea water sampled during the operations, which showed that the radiation level of sea water has remained low, and no significant change in radioactivity had been observed.

Last update: 27 Jul 2017


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