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

○Information

○Measurement value list ： 2023/04/10(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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15:40NDND9.3
15:50NDND12
16:00NDND10
16:10NDND11
16:20NDND14
16:30NDND9.7
16:40NDND10
16:50NDNDND
17:00NDND9.7
17:10NDND10
17:20NDNDND
17:30NDND11
17:40NDND9.0
17:50NDND10
18:00NDND9.6
18:10NDNDND
18:20NDND11
18:30NDNDND
18:40NDND9.2
18:50NDND12
19:00NDND11
19:10NDND11
19:20NDND12
19:30NDND14
19:40NDND15
19:50NDND13
20:00NDND15
20:10NDND16
20:20NDND13
20:30NDND10
20:40NDND9.9
20:50NDND11
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDND8.8
21:40NDNDND
21:50NDNDND
22:00NDNDND
22:10NDND9.3
22:20NDND10
22:30NDND9.2
22:40NDND13
22:50NDND12
23:00NDND16
23:10NDND16
23:20NDND13
23:30NDND15
23:40NDND12
23:50NDND14