Fukushima Daiichi NPS Prompt Report 2013

This is follow-up information on the latest situation concerning the detection of high densities of tritium and strontium in the observation hole located on the east of the Units 1-4 Turbine Buildings.

We would like to announce measurement result in the groundwater observation hole No.2-5 (on the mountain side of No.2) located on the east of the Units 1-4 Turbine Buildings, sampled for the first time on September 29.

<Measurement results on the groundwater observation hole No.2-5: Sampled on September 29>
·Cesium-134: 3.1Bq/L
·Cesium-137: 6.9Bq/L
·All-β: 32,000Bq/L
·Manganese54: 0.62Bq/L
·Sb125: 26Bq/L

We will continue monitoring the situation.

For the past sampling results, please refer to the following page on our website:
http://www.tepco.co.jp/en/nu/fukushima-np/f1/smp/index-e.html