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

○Information

○Measurement value list ： 2021/04/09(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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14:00---
14:10NDNDND
14:20NDND9.6
14:30NDNDND
14:40NDND8.8
14:50NDND12
15:00NDND12
15:10NDND13
15:20NDND12
15:30NDND12
15:40NDND12
15:50NDND12
16:00NDND15
16:10NDND13
16:20NDND10
16:30NDND13
16:40NDND12
16:50NDNDND
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDND13
18:30NDND16
18:40NDND17
18:50NDND13
19:00NDND13
19:10NDND12
19:20NDND10
19:30NDNDND
19:40NDND8.9
19:50NDND12
20:00NDND11
20:10NDND11
20:20NDND10
20:30NDND11
20:40NDND9.7
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDND9.7
21:30NDNDND
21:40NDND8.9
21:50NDND10
22:00NDNDND
22:10NDND9.5
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDND8.9
23:40NDND10
23:50NDND9.5