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

○Information

○Measurement value list : 2021/04/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:000.16ND-
00:100.17ND-
00:200.17ND-
00:300.16ND-
00:400.18ND-
00:500.20ND-
01:000.19ND-
01:100.17ND-
01:200.15ND-
01:300.14ND-
01:400.15ND-
01:500.14ND-
02:000.14ND-
02:100.14ND-
02:200.13ND-
02:300.13ND-
02:400.11ND-
02:500.12ND-
03:000.10ND-
03:100.10ND-
03:200.095ND-
03:300.091ND-
03:400.099ND-
03:500.089ND-
04:000.10ND-
04:100.091ND-
04:200.11ND-
04:300.10ND-
04:400.12ND-
04:500.11ND-
05:000.098ND-
05:100.11ND-
05:200.11ND-
05:300.11ND-
05:400.10ND-
05:500.13ND-
06:000.11ND-
06:100.11ND-
06:200.14ND-
06:300.11ND-
06:400.11ND-
06:500.14ND-
07:000.13ND-
07:100.19ND-
07:200.16ND-
07:300.19ND-
07:400.19ND-
07:500.15ND-
08:000.17ND-
08:100.12ND-
08:200.14ND-
08:300.16ND-
08:400.19ND-
08:500.21ND-
09:000.22ND-
09:100.22ND-
09:200.23ND-
09:30---
09:40---
09:50---
10:00---
10:10---
10:20---
10:30---
10:40---
10:50---
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---
14:00---
14:10---
14:20---
14:30---
14:40---
14:50---
15:00---
15:10---
15:20NDND11
15:30NDND9.3
15:40NDNDND
15:50NDNDND
16:00NDND9.5
16:10NDND11
16:20NDND12
16:30NDND12
16:40NDND14
16:50NDND13
17:00NDND14
17:10NDND12
17:20NDND12
17:30NDND12
17:40NDND11
17:50NDND13
18:00NDND12
18:10NDND14
18:20NDND16
18:30NDND14
18:40NDND16
18:50NDND15
19:00NDND14
19:10NDND12
19:20NDND11
19:30NDND11
19:40NDND9.3
19:50NDND12
20:00NDND14
20:10NDND12
20:20NDND10
20:30NDND13
20:40NDND15
20:50NDND12
21:00NDND13
21:10NDND14
21:20NDND16
21:30NDND12
21:40NDND13
21:50NDND12
22:00NDND12
22:10NDND12
22:20NDND10
22:30NDND12
22:40NDND12
22:50NDND14
23:00NDND12
23:10NDND11
23:20NDND11
23:30NDND9.2
23:40NDNDND
23:50NDNDND