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

○Information

○Measurement value list : 2018/12/31(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:000.25ND10
00:100.24ND11
00:200.25ND12
00:300.26ND13
00:400.26ND11
00:500.28ND12
01:000.28ND12
01:100.30NDND
01:200.30NDND
01:300.32NDND
01:400.33NDND
01:500.34NDND
02:000.33NDND
02:100.35NDND
02:200.36NDND
02:300.37NDND
02:400.38ND9.9
02:500.40ND8.9
03:000.42ND8.8
03:100.41ND8.8
03:200.43NDND
03:300.43NDND
03:400.43NDND
03:500.42NDND
04:000.42NDND
04:100.45NDND
04:200.45NDND
04:300.44NDND
04:400.44NDND
04:500.45NDND
05:000.44NDND
05:100.42NDND
05:200.40NDND
05:300.40NDND
05:400.38NDND
05:500.36NDND
06:000.35NDND
06:100.34NDND
06:200.34NDND
06:300.34NDND
06:400.34NDND
06:500.32NDND
07:000.30NDND
07:100.29NDND
07:200.27NDND
07:300.25ND9.0
07:400.25NDND
07:500.24NDND
08:000.25NDND
08:100.24NDND
08:200.23NDND
08:300.23NDND
08:400.23NDND
08:500.25NDND
09:000.23ND10
09:100.24ND14
09:200.25ND14
09:300.24ND10
09:400.23ND10
09:500.22ND10
10:000.23NDND
10:100.23NDND
10:200.22NDND
10:300.22NDND
10:400.21ND11
10:500.21NDND
11:000.21ND11
11:100.22ND11
11:200.23NDND
11:300.23NDND
11:400.23NDND
11:500.24NDND
12:000.25NDND
12:100.23NDND
12:200.22ND9.0
12:300.21NDND
12:400.22NDND
12:500.22ND10
13:000.20ND11
13:100.21ND11
13:200.22ND10
13:300.24NDND
13:400.22NDND
13:500.21NDND
14:000.22NDND
14:100.21NDND
14:200.20NDND
14:300.20NDND
14:400.21NDND
14:500.20NDND
15:000.21NDND
15:100.23NDND
15:200.24NDND
15:300.25ND9.2
15:400.25ND10
15:500.26ND9.0
16:000.24NDND
16:100.23NDND
16:200.22NDND
16:300.22NDND
16:400.22NDND
16:500.22NDND
17:000.23NDND
17:100.24NDND
17:200.25NDND
17:300.27NDND
17:400.28NDND
17:500.29NDND
18:000.30NDND
18:100.30ND10
18:200.29ND10
18:300.29ND12
18:400.27ND14
18:500.25ND14
19:000.24ND12
19:100.24ND9.3
19:200.24ND8.8
19:300.23NDND
19:400.25NDND
19:500.27NDND
20:000.27NDND
20:100.26NDND
20:200.26NDND
20:300.25NDND
20:400.25NDND
20:500.24NDND
21:000.22NDND
21:100.24NDND
21:200.24NDND
21:300.25NDND
21:400.25ND12
21:500.26ND14
22:000.28ND14
22:100.28ND13
22:200.29ND12
22:300.29ND10
22:400.28NDND
22:500.26NDND
23:000.25NDND
23:100.24NDND
23:200.23NDND
23:300.24NDND
23:400.24NDND
23:500.25NDND