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

○Information

○Measurement value list ： 2021/02/12(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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13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDNDND
14:10NDND8.9
14:20NDND11
14:30NDND12
14:40NDND14
14:50NDND15
15:00NDND13
15:10NDND9.7
15:20NDND9.7
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDND9.7
16:10NDND12
16:20NDND10
16:30NDND10
16:40NDND10
16:50NDND9.7
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDND9.2
17:40NDND11
17:50NDND10
18:00NDND9.2
18:10NDND9.5
18:20--10
18:30--ND
18:40--ND
18:50--ND
19:00--ND
19:10--ND
19:20--ND
19:30--ND
19:40--ND
19:50--9.2
20:00--8.9
20:10--8.9
20:20--ND
20:30--ND
20:40--ND
20:50--ND
21:00--ND
21:10--ND
21:20--ND
21:30--ND
21:40--ND
21:50--ND
22:00--ND
22:10--ND
22:20--ND
22:30--ND
22:40--ND
22:50--ND
23:00--ND
23:10--ND
23:20--ND
23:30--ND
23:40--ND
23:50--ND