Radiation Monitoring in Hokkaido

Radiation levels are regularly measured at 22 sites around the Hokkaido Electric Power Co., Inc. Tomari Nuclear Power Station, aiming to monitor environmental radiation in those areas. In order to ensure safety across Hokkaido, survey meters are used to measure radiation levels in 13 subprefectures.

・Radiation levels around the Tomari Nuclear Power Station　　The following chart shows that the levels have remained normal.

  　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　  　 (Unit: µGy/h [microgray per hour])  

測定場所 (Subprefectural Bureau)	所在市町村名 (Municipality)	4/29  9:00 Month/day Time	4/29  13:00 Month/day Time	4/29  17:00 Month/day Time	昨日までの範囲 (Date range until previous day)
Kamikawa	Asahikawa	0.048	0.050	0.054	0.042～0.078