1
2011-11-03 19:00:26 +0900 14.47 CPM (0.121 uSv/h) at Matsudo-city, Chiba Prefecture (indoor on the 2nd floor) 松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸松戸