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

○Information

○Measurement value list ： 2021/04/27(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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14:20NDND8.9
14:30NDNDND
14:40NDND9.0
14:50NDND10
15:00NDND12
15:10NDND13
15:20NDND12
15:30NDND12
15:40NDND11
15:50NDND10
16:00NDND12
16:10NDND13
16:20NDND13
16:30NDND14
16:40NDND13
16:50NDND13
17:00NDND13
17:10NDND9.9
17:20NDND9.6
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDND8.8
21:00NDND10
21:10NDND10
21:20NDND9.9
21:30NDND8.8
21:40NDND9.9
21:50NDNDND
22:00NDNDND
22:10NDNDND
22:20NDND9.9
22:30NDND11
22:40NDND10
22:50NDND10
23:00NDND9.5
23:10NDND11
23:20NDNDND
23:30NDNDND
23:40NDND8.8
23:50NDND9.2