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

○Information

○Measurement value list ： 2021/04/24(CSV Download)

Radioactivity Concentration Unit:Bq/L

※ When being smaller then detection limit value, the numerical value is indicated with ND

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDND8.9
00:20NDNDND
00:30NDND9.0
00:40NDND9.9
00:50NDND9.0
01:00NDND10
01:10NDND9.9
01:20NDND9.0
01:30NDND9.7
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDND11
03:20NDND10
03:30NDND11
03:40NDND12
03:50NDND12
04:00NDND11
04:10NDNDND
04:20NDNDND
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDND10
05:50NDND13
06:00NDND13
06:10NDND13
06:20NDND13
06:30NDND9.9
06:40NDND8.8
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:00NDND10
08:10NDND10
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDND9.6
09:00NDNDND
09:10NDNDND
09:20NDND11
09:30NDND13
09:40NDND12
09:50NDND13
10:00NDND12
10:10NDND10
10:20NDNDND
10:30NDNDND
10:40NDNDND
10:50NDNDND
11:00NDND11
11:10NDND14
11:20NDND14
11:30NDND14
11:40NDND12
11:50NDND9.0
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:30NDNDND
12:40NDNDND
12:50NDND10
13:00NDND8.8
13:10NDND8.9
13:20NDNDND
13:30NDNDND
13:40NDND9.0
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDND11
14:50NDND10
15:00NDND10
15:10NDND9.3
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