Monitoring Data in February, 2012
Regarding the accident at Fukushima nuclear power plant No.1, we started to measure the intensity of radiation.
The place of monitoring, measuring method
The place of monitoring
1-2-1, Sengen, Tsukuba, Ibaraki, 305-0047 JAPAN
(Measuring outdoors. The measuring counter is approximately 1-meter altitude from ground.)
(Measuring outdoors. The measuring counter is approximately 1-meter altitude from ground.)
Measuring method
Instrument: NaI scintillation counter, *ALOKA TCS-172B (ALOKA TCS-161)
Dose rate: values including background level of 0.06 µSv/h
We are using new survey meter to monitor the radiation level from Feb.20.
Dose rate: values including background level of 0.06 µSv/h
We are using new survey meter to monitor the radiation level from Feb.20.
Monitoring Data
Monitoring Data at NIMS Sengen-site
µSv/h (Micro sievert/hour; 1 micro sievert = 1/1000 milli sievert)
| Date | Dose rate(µSv/h) |
|---|---|
| Feb. 29, 17:00 pm | *0.14 |
| Feb. 29, 14:00 pm | *0.14 |
| Feb. 29, 10:00 am | *0.15 |
| Feb. 28, 17:00 pm | *0.14 |
| Feb. 28, 14:00 pm | *0.13 |
| Feb. 28, 10:00 am | *0.14 |
| Feb. 27, 17:00 pm | *0.13 |
| Feb. 27, 14:00 pm | *0.14 |
| Feb. 27, 10:00 am | *0.14 |
| Feb. 26, 13:50 pm | *0.14 |
| Feb. 25, 12:05 pm | *0.14 |
| Feb. 24, 18:00 pm | *0.14 |
| Feb. 24, 13:15 pm | *0.14 |
| Feb. 24, 10:00 am | *0.14 |
| Feb. 23, 17:00 pm | *0.14 |
| Feb. 23, 14:00 pm | *0.14 |
| Feb. 23, 10:00 am | *0.14 |
| Feb. 22, 17:00 pm | *0.14 |
| Feb. 22, 14:00 pm | *0.14 |
| Feb. 22, 10:00 am | *0.14 |
| Feb. 21, 17:00 pm | *0.14 |
| Feb. 21, 14:00 pm | *0.14 |
| Feb. 21, 10:00 am | *0.14 |
| Feb. 20, 17:00 pm | 0.15 (*0.15) |
| Feb. 20, 14:00 pm | 0.14 (*0.14) |
| Feb. 20, 10:00 am | 0.13 (*0.14) |
| Feb. 19, 10:10 am | 0.12 |
| Feb. 18, 13:20 pm | 0.13 |
| Feb. 17, 17:00 pm | 0.13 |
| Feb. 17, 14:00 pm | 0.13 |
| Feb. 17, 10:00 am | 0.13 |
| Feb. 16, 17:00 pm | 0.12 |
| Feb. 16, 14:00 pm | 0.13 |
| Feb. 16, 10:00 am | 0.13 |
| Feb. 15, 17:50 pm | 0.13 |
| Feb. 15, 14:00 pm | 0.13 |
| Feb. 15, 10:00 am | 0.13 |
| Feb. 14, 17:00 pm | 0.13 |
| Feb. 14, 14:00 pm | 0.13 |
| Feb. 14, 10:00 am | 0.13 |
| Feb. 13, 17:00 pm | 0.13 |
| Feb. 13, 14:00 pm | 0.13 |
| Feb. 13, 10:00 am | 0.14 |
| Feb. 12, 15:25 pm | 0.13 |
| Feb. 11, 00:00 pm | No measuring |
| Feb. 10, 17:00 pm | 0.12 |
| Feb. 10, 14:00 pm | 0.13 |
| Feb. 10, 10:00 am | 0.13 |
| Feb. 9, 17:00 pm | 0.13 |
| Feb. 9, 14:00 pm | 0.13 |
| Feb. 9, 10:00 am | 0.13 |
| Feb. 8, 17:00 pm | 0.13 |
| Feb. 8, 14:00 pm | 0.13 |
| Feb. 8, 10:00 am | 0.12 |
| Feb. 7, 17:00 pm | 0.14 |
| Feb. 7, 14:00 pm | 0.13 |
| Feb. 7, 10:00 am | 0.14 |
| Feb. 6, 17:00 pm | 0.14 |
| Feb. 6, 14:00 pm | 0.14 |
| Feb. 6, 10:00 am | 0.14 |
| Feb. 5, 13:40 pm | 0.13 |
| Feb. 4, 14:40 pm | 0.12 |
| Feb. 3, 17:00 pm | 0.13 |
| Feb. 3, 14:00 pm | 0.13 |
| Feb. 3, 10:00 am | 0.13 |
| Feb. 2, 17:00 pm | 0.13 |
| Feb. 2, 14:00 pm | 0.13 |
| Feb. 2, 10:00 am | 0.13 |
| Feb. 1, 17:00 pm | 0.13 |
| Feb. 1, 14:00 pm | 0.13 |
| Feb. 1, 10:00 am | 0.13 |