Fukushima Daiichi Research – Remediation of Affected Areas

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Remediation of Affected Areas

Shunsuke Kondo Chairman

Japan Atomic Energy Commission

Ladies and gentlemen, it is a great pleasure for me to explain the activities for the remediation of off-site areas affected by the accident, given in the second report of the
Government of Japan to the IAEA on the Accident at TEPCO’s Fukushima Daiichi NPP.

As is well known already, a wide area around Fukushima Dai-ichi NPP was contaminated by the large releases of radioactive material during the accident. Based on
the results of various radiation monitoring activities, we have identified highly contaminated areas as shown in Figure 1.

In these days major contaminant is Cesium isotopes, of which half-life is about 2 years in the case of Cs -134 and 30 years in the case of Cs-137.

Fukushima Daiichi Research – Remediation of Affected Areas

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