[3J01-08] Fukushima 1

[3J04] Investigation on distribution of radioactive substances in Fukushima

(4)Reduction of Indoor Radiocaesium by Repeated Vacuuming in Dwelling Houses in Okuma Town

*Hiroko Yoshida¹, Naohide Shinohara² (1. Tohoku University, 2. National Institute of Advanced Industrial Science and Technology)

Keywords:Inside dwelling house, Repeated vacuuming, Radiocaesium, Reduction effect, House dust

Since 2012, we have been continuously measuring radiocaesium in residential houses within former and current evacuation areas. In this study, we investigated the effect of repeated vacuuming on the reduction of indoor radiocaesium in 10 dwelling houses in Okuma Town.