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  Watari (residential area): 11 January, 2013
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Koji Nagahata



Informing before decontamination work
mp3     WAV
Official measurement of the radiation level in a room
mp3     WAV
Report of the results
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Memorandum
Informing before the decontamination works of my apartment and the official measurements before the decontamination works in my room was done.
According to the informing, the target level for the decontamination works is 1 mSv/year (this level is the primary legal annual public dose limits) after 5 years.
The measurement points was 1 cm, 50 cm and 100 cm above the floor. However, the measurer did not measure the heights: he decided the height by his sense.



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