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

○Information

○Measurement value list ： 2021/02/01(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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16:20NDND10
16:30NDND10
16:40NDND12
16:50NDND9.2
17:00NDND9.7
17:10NDND12
17:20NDND9.5
17:30NDND8.8
17:40NDND10
17:50NDNDND
18:00NDND12
18:10NDND11
18:20NDND14
18:30NDND13
18:40NDND13
18:50NDND15
19:00NDND9.5
19:10NDND11
19:20NDND11
19:30NDND12
19:40NDND13
19:50NDND14
20:00NDND15
20:10NDND16
20:20NDND17
20:30NDND20
20:40NDND19
20:50NDND18
21:00NDND18
21:10NDND18
21:20NDND14
21:30NDND13
21:40NDND13
21:50NDND13
22:00NDND16
22:10NDND13
22:20NDND14
22:30NDND13
22:40NDND14
22:50NDND14
23:00NDND11
23:10NDND12
23:20NDND14
23:30NDND13
23:40NDND12
23:50NDND10