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

○Information

○Measurement value list ： 2023/05/18(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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13:00---
13:10NDND15
13:20NDND18
13:30NDND21
13:40NDND22
13:50NDND24
14:00NDND27
14:10NDND26
14:20NDND23
14:30NDND22
14:40NDND20
14:50NDND18
15:00NDND15
15:10NDND14
15:20NDND15
15:30NDND16
15:40NDND18
15:50NDND15
16:00NDND15
16:10NDND17
16:20NDND19
16:30NDND15
16:40NDND16
16:50NDND20
17:00NDND19
17:10NDND17
17:20NDND16
17:30NDND18
17:40NDND19
17:50NDND16
18:00NDND20
18:10NDND22
18:20NDND22
18:30NDND20
18:40NDND19
18:50NDND21
19:00NDND19
19:10NDND17
19:20NDND19
19:30NDND20
19:40NDND21
19:50NDND20
20:00NDND20
20:10NDND18
20:20NDND17
20:30NDND17
20:40NDND18
20:50NDND18
21:00NDND18
21:10NDND18
21:20NDND18
21:30NDND16
21:40NDND16
21:50NDND17
22:00NDND18
22:10NDND19
22:20NDND19
22:30NDND21
22:40NDND20
22:50NDND21
23:00NDND22
23:10NDND21
23:20NDND22
23:30NDND21
23:40NDND18
23:50NDND17