Past measurement result　by Seawater Radiation Monitor near Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list ： 2021/05/24(CSV Download)

Radioactivity Concentration Unit:Bq/L

※ When being smaller then detection limit value, the numerical value is indicated with ND

TimeCs137Cs134Totalβ
00:00NDND10
00:10NDND11
00:20NDND12
00:30NDND14
00:40NDND12
00:50NDND10
01:00NDND9.5
01:10NDNDND
01:20NDNDND
01:30NDND9.9
01:40NDND9.7
01:50NDNDND
02:00NDND11
02:10NDND13
02:20--14
02:30--14
02:40--14
02:50--18
03:00--16
03:10--17
03:20--14
03:30--14
03:40--14
03:50--12
04:00--13
04:10--11
04:20--12
04:30--11
04:40--10
04:50--ND
05:00--ND
05:10--ND
05:20--ND
05:30--9.6
05:40--13
05:50--14
06:00--12
06:10--11
06:20--12
06:30--11
06:40--ND
06:50--ND
07:00--10
07:10--10
07:20--9.3
07:30--10
07:40--12
07:50--12
08:00--13
08:10--14
08:20--14
08:30--12
08:40--14
08:50--12
09:00--9.3
09:10--10
09:20--10
09:30--10
09:40--9.7
09:50--10
10:00--11
10:10--12
10:20--12
10:30--13
10:40--14
10:50--11
11:00---
11:10---
11:20---
11:30---
11:40---
11:50---
12:00---
12:10---
12:20---
12:30---
12:40---
12:50---
13:00---
13:10---
13:20---
13:30---
13:40---
13:50---
14:00NDND11
14:10NDND11
14:20NDND13
14:30NDND11
14:40NDND12
14:50NDND13
15:00NDND8.8
15:10NDND10
15:20NDND8.8
15:30NDND9.7
15:40NDND9.3
15:50NDNDND
16:00NDND11
16:10NDND9.6
16:20NDND12
16:30NDND12
16:40NDND15
16:50NDND18
17:00NDND17
17:10NDND16
17:20NDND13
17:30NDND14
17:40NDND13
17:50NDND13
18:00NDND14
18:10NDND17
18:20NDND19
18:30NDND17
18:40NDND18
18:50NDND18
19:00NDND16
19:10NDND13
19:20NDND16
19:30NDND14
19:40NDND12
19:50NDND12
20:00NDND14
20:10NDND14
20:20NDND10
20:30NDND8.8
20:40NDND9.7
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDND10
21:40NDND9.6
21:50NDND9.7
22:00NDND10
22:10NDNDND
22:20NDND10
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDND11
23:10NDND12
23:20NDND9.7
23:30NDND14
23:40NDND14
23:50NDND14