From the results of the analysis of the collected water from the spent 
fuel pool of Unit 4 and the skimmer surge tank of Unit 2 of Fukushima 
Daiichi Nuclear Power Station, we verified the detection of radioactive 
materials.
                                   (Announced on April 14th and 18th 2011)

After that, Japan Atomic Energy Agency has conducted the detailed analysis 
of the water collected from the pool and the skimmer surge tank, and we 
have summarized the result as the exhibit. Then today, we reported to 
Nuclear and Industry Safety Agency and the government of Fukushima 
Prefecture about the results. 

<Reference>
Exhibit: Detailed analysis results of the water in the spent fuel pool of 
         Unit 4 and the skimmer surge tank of Unit 2 of Fukushima Daiichi 
         Nuclear Power Station(PDF 41.8KB)