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

○Information

○Measurement value list : 2023/04/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
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13:20---
13:30NDND12
13:40NDND15
13:50NDND13
14:00NDND13
14:10NDND13
14:20NDND11
14:30NDND16
14:40NDND10
14:50NDND10
15:00NDND14
15:10NDND14
15:20NDND13
15:30NDND10
15:40NDND14
15:50NDND17
16:00NDND13
16:10NDND9.5
16:20NDND10
16:30NDND10
16:40NDND8.8
16:50NDNDND
17:00NDNDND
17:10NDND12
17:20NDND12
17:30NDND10
17:40NDND11
17:50NDND10
18:00NDND10
18:10NDND9.3
18:20NDND11
18:30NDND12
18:40NDND11
18:50NDND11
19:00NDNDND
19:10NDND11
19:20NDND9.5
19:30NDND11
19:40NDND12
19:50NDND10
20:00NDND11
20:10NDND9.3
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDND9.6
22:10NDND9.3
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDND9.5
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND