On June 9, 2011, we received an instruction document^*, "Installment of treatment facility and storing facility of water including highly concentrated radioactive materials at Fukushima Daiichi Nuclear Power Station (Instruction)" from Nuclear and Industrial Safety Agency (NISA) of Ministry of Economy, Trade and Industry.

(Previously announced on June 9, 2011)

Since then, per the instruction, we have been treating the water accumulated in the Centralized Radiation Waste Treatment Facility that contains highly concentrated radioactive materials. We announce today we submitted a report to NISA regarding the latest updates of storage and treatment of the accumulated water.

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-Situation of storage and treatment of accumulated water including highly concentrated radioactive materials at Fukushima Daiichi Nuclear Power Station (40th Release)(PDF 62.6KB)

* Installment of treatment facility and storage facility of water including highly concentrated radioactive materials at Fukushima Daiichi Nuclear Power Station (Instruction)
(NISA No. 6, June 8, 2011)

We have provided a Japanese press release version of the instruction document received from NISA.  However, at this time we have reserved the right to not provide an English version due to potential misunderstandings that may arise from an inaccurate rendering of the original Japanese text. 
We may provide the English translation that NISA releases in our press releases. However, in principle we would advise you to visit the NISA website for timely and accurate information.