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

○Information

○Measurement value list ： 2020/12/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

Time	Cs137	Cs134	Totalβ
00:00	ND	ND	15
00:10	ND	ND	15
00:20	ND	ND	13
00:30	ND	ND	14
00:40	ND	ND	16
00:50	ND	ND	17
01:00	ND	ND	16
01:10	ND	ND	17
01:20	ND	ND	17
01:30	ND	ND	16
01:40	ND	ND	15
01:50	ND	ND	16
02:00	ND	ND	15
02:10	ND	ND	13
02:20	ND	ND	14
02:30	ND	ND	17
02:40	ND	ND	16
02:50	ND	ND	16
03:00	ND	ND	17
03:10	ND	ND	17
03:20	ND	ND	14
03:30	ND	ND	12
03:40	ND	ND	15
03:50	ND	ND	14
04:00	ND	ND	12
04:10	ND	ND	9.9
04:20	ND	ND	14
04:30	ND	ND	15
04:40	ND	ND	12
04:50	ND	ND	11
05:00	ND	ND	14
05:10	ND	ND	16
05:20	ND	ND	11
05:30	ND	ND	14
05:40	ND	ND	14
05:50	ND	ND	16
06:00	ND	ND	16
06:10	ND	ND	16
06:20	ND	ND	18
06:30	ND	ND	15
06:40	ND	ND	15
06:50	ND	ND	16
07:00	ND	ND	15
07:10	ND	ND	15
07:20	ND	ND	12
07:30	ND	ND	15
07:40	ND	ND	17
07:50	ND	ND	18
08:00	ND	ND	18
08:10	ND	ND	19
08:20	ND	ND	19
08:30	ND	ND	17
08:40	ND	ND	14
08:50	ND	ND	14
09:00	ND	ND	10
09:10	ND	ND	ND
09:20	ND	ND	9.3
09:30	ND	ND	10
09:40	ND	ND	10
09:50	ND	ND	11
10:00	ND	ND	13
10:10	ND	ND	15
10:20	ND	ND	16
10:30	ND	ND	15
10:40	ND	ND	19
10:50	ND	ND	16
11:00	ND	ND	18
11:10	ND	ND	18
11:20	ND	ND	17
11:30	ND	ND	17
11:40	ND	ND	16
11:50	ND	ND	16
12:00	ND	ND	14
12:10	ND	ND	13
12:20	ND	ND	12
12:30	ND	ND	12
12:40	ND	ND	9.2
12:50	ND	ND	ND
13:00	ND	ND	ND
13:10	ND	ND	9.0
13:20	ND	ND	10
13:30	ND	ND	12
13:40	ND	ND	15
13:50	ND	ND	16
14:00	ND	ND	19
14:10	ND	ND	17
14:20	ND	ND	20
14:30	ND	ND	21
14:40	ND	ND	19
14:50	ND	ND	19
15:00	ND	ND	19
15:10	ND	ND	21
15:20	ND	ND	16
15:30	ND	ND	15
15:40	ND	ND	14
15:50	ND	ND	10
16:00	ND	ND	8.9
16:10	ND	ND	8.9
16:20	ND	ND	12
16:30	ND	ND	10
16:40	ND	ND	11
16:50	ND	ND	15
17:00	ND	ND	14
17:10	ND	ND	13
17:20	ND	ND	13
17:30	ND	ND	13
17:40	ND	ND	12
17:50	ND	ND	11
18:00	ND	ND	12
18:10	ND	ND	12
18:20	ND	ND	9.2
18:30	ND	ND	9.2
18:40	ND	ND	10
18:50	ND	ND	10
19:00	ND	ND	8.8
19:10	ND	ND	ND
19:20	ND	ND	ND
19:30	ND	ND	ND
19:40	ND	ND	ND
19:50	ND	ND	ND
20:00	ND	ND	ND
20:10	ND	ND	ND
20:20	ND	ND	ND
20:30	ND	ND	ND
20:40	ND	ND	ND
20:50	ND	ND	ND
21:00	ND	ND	11
21:10	ND	ND	12
21:20	ND	ND	16
21:30	ND	ND	16
21:40	ND	ND	18
21:50	ND	ND	18
22:00	ND	ND	17
22:10	ND	ND	20
22:20	ND	ND	16
22:30	ND	ND	15
22:40	ND	ND	14
22:50	ND	ND	14
23:00	ND	ND	15
23:10	ND	ND	13
23:20	ND	ND	13
23:30	ND	ND	14
23:40	ND	ND	16
23:50	ND	ND	16

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

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