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

○Information

○Measurement value list : 2021/04/18(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDND12
00:20NDND16
00:30NDND15
00:40NDND17
00:50NDND15
01:00NDND14
01:10NDND12
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDND8.8
02:10NDND9.7
02:20NDND13
02:30NDND15
02:40NDND13
02:50NDND13
03:00NDND11
03:10NDND12
03:20NDND10
03:30NDND9.7
03:40NDND14
03:50NDND16
04:00NDND16
04:10NDND13
04:20NDND12
04:30NDND9.5
04:40NDNDND
04:50NDND9.2
05:00NDND10
05:10NDND12
05:20NDND13
05:30NDND18
05:40NDND17
05:50NDND16
06:00NDND17
06:10NDND18
06:20NDND19
06:30NDND17
06:40NDND17
06:50NDND16
07:00NDND16
07:10NDND16
07:20NDND17
07:30NDND15
07:40NDND-
07:50NDND-
08:00NDND-
08:10NDND-
08:20NDND-
08:30NDND-
08:40NDND-
08:50NDND-
09:00NDND-
09:10NDND-
09:20NDND-
09:30NDND-
09:40NDND-
09:50NDND-
10:00NDND-
10:10NDND-
10:20NDND-
10:30NDND-
10:40NDND-
10:50NDND-
11:00NDND-
11:10NDND-
11:20NDND-
11:300.067ND-
11:400.058ND-
11:500.055ND-
12:000.052ND-
12:10NDND-
12:20NDND-
12:30NDND-
12:40NDND-
12:50NDND-
13:000.050ND-
13:100.056ND-
13:200.064ND-
13:300.082ND-
13:400.074ND-
13:500.074ND-
14:000.085ND-
14:100.099ND-
14:200.11ND-
14:300.12ND-
14:400.14ND-
14:500.16ND-
15:000.16ND-
15:100.16ND-
15:200.15ND-
15:300.16ND-
15:400.16ND-
15:500.17ND-
16:000.17ND-
16:100.18ND-
16:200.18ND-
16:300.17ND-
16:400.19ND-
16:500.20ND-
17:000.19ND-
17:100.18ND-
17:200.19ND-
17:300.18ND-
17:400.16ND-
17:500.17ND-
18:000.15ND-
18:100.16ND-
18:200.15ND-
18:300.14ND-
18:400.12ND-
18:500.11ND-
19:000.12ND-
19:100.10ND-
19:200.097ND-
19:300.090ND-
19:400.079ND-
19:500.084ND-
20:000.067ND-
20:100.067ND-
20:200.079ND-
20:300.089ND-
20:400.098ND-
20:500.095ND-
21:000.12ND-
21:100.12ND-
21:200.12ND-
21:300.14ND-
21:400.14ND-
21:500.13ND-
22:000.12ND-
22:100.12ND-
22:200.12ND-
22:300.11ND-
22:400.12ND-
22:500.15ND-
23:000.16ND-
23:100.17ND-
23:200.18ND-
23:300.19ND-
23:400.17ND-
23:500.15ND-