Corporate Information

Press Release (Mar 12,2011)
Occurrence of a Specific Incident Stipulated in Article 15, Clause 1 of the Act on Special Measures Concerning Nuclear Emergency Preparedness (Extraordinary increase of radiation dose at site boundary)
At2:46PM on March 11th, turbines and reactors of Tokyo Electric Power 
Company's Fukushima Daiichi Nuclear Power Station Unit 1 (Boiling Water 
Reactor, rated output 460 Megawatts) and Units 2 and 3 (Boiling Water 
Reactor, Rated Output 784 Megawatts) that had been operating at rated 
power automatically shutdown due to the Miyagiken-oki Earthquake.

After the shut down, the values of radioactive materials (iodine, etc) 
measured by the monitoring car have been increasing. Increase in the 
measured value has also been recognized in one of the monitoring posts.

Furthermore, today at 3:29PM, radiation dose measured at site boundary has 
exceeded the limiting value. Therefore, at 4:17PM, it was determined that 
a specific incident stipulated in article 15, clause 1 has occurred.

We will endeavor to secure the safety and alongside, continue monitoring 
the environment of the site periphery. 
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