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3-11.ドレーン孔・ドレーン設備の水抜き結果<br />

ドレーン孔全β濃度(Bq/cm3)<br />

1.0E+02<br />

1.0E+01<br />

1.0E+00<br />

1.0E-01<br />

1.0E-02<br />

2013/5/9<br />

2013/5/11<br />

2013/5/13<br />

2013/5/15<br />

No.2地下貯水槽<br />

ドレーン孔全β(Bq/cm3)<br />

β核種回収量累計(Bq)<br />

2013/5/17<br />

2013/5/19<br />

2013/5/21<br />

2013/5/23<br />

2013/5/25<br />

2013/5/27<br />

2013/5/29<br />

2013/5/31<br />

2013/6/2<br />

2.4E+07<br />

1.9E+07<br />

1.4E+07<br />

9.0E+06<br />

4.0E+06<br />

-1.0E+06<br />

6m 3 (原水換算で0.2リットル)を回収しただけで、全β濃度は1/4程<br />

度に低下 → 大量の汚染水は存在しない<br />

β回収量累計(Bq)<br />

18

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