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

○Information

○Measurement value list ： 2018/03/03(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	1.4	0.098	10
00:10	1.4	0.090	10
00:20	1.3	0.078	11
00:30	1.3	0.070	12
00:40	1.3	0.061	9.0
00:50	1.3	0.053	ND
01:00	1.3	0.062	ND
01:10	1.3	0.070	ND
01:20	1.3	0.068	ND
01:30	1.2	0.067	ND
01:40	1.2	0.076	ND
01:50	1.2	0.075	ND
02:00	1.2	0.069	ND
02:10	1.2	0.060	ND
02:20	1.2	0.059	ND
02:30	1.2	0.061	10
02:40	1.2	0.050	ND
02:50	1.2	0.055	13
03:00	1.2	0.057	16
03:10	1.2	0.061	12
03:20	1.2	0.065	10
03:30	1.2	0.071	9.0
03:40	1.2	0.077	11
03:50	1.2	0.076	ND
04:00	1.2	0.077	ND
04:10	1.2	0.073	9.0
04:20	1.2	0.068	9.0
04:30	1.2	0.062	9.5
04:40	1.2	0.053	ND
04:50	1.2	0.054	ND
05:00	1.2	0.049	ND
05:10	1.2	0.052	ND
05:20	1.3	0.057	ND
05:30	1.3	0.063	ND
05:40	1.3	0.066	9.5
05:50	1.3	0.061	ND
06:00	1.3	0.068	9.3
06:10	1.3	0.069	8.9
06:20	1.3	0.070	ND
06:30	1.3	0.069	ND
06:40	1.3	0.075	ND
06:50	1.4	0.079	ND
07:00	1.4	0.077	ND
07:10	1.4	0.079	ND
07:20	1.4	0.077	ND
07:30	1.4	0.073	8.9
07:40	1.4	0.068	ND
07:50	1.4	0.073	9.7
08:00	1.4	0.072	ND
08:10	1.4	0.083	ND
08:20	1.4	0.071	9.2
08:30	1.4	0.076	ND
08:40	1.4	0.069	9.0
08:50	1.4	0.067	8.9
09:00	1.4	0.063	10
09:10	1.4	0.056	ND
09:20	1.3	0.066	ND
09:30	1.3	0.068	ND
09:40	1.3	0.074	ND
09:50	1.3	0.064	ND
10:00	1.3	0.067	ND
10:10	1.3	0.061	ND
10:20	1.3	0.060	ND
10:30	1.3	0.054	ND
10:40	1.2	0.058	ND
10:50	1.2	0.073	ND
11:00	1.2	0.073	ND
11:10	1.2	0.087	ND
11:20	1.1	0.092	ND
11:30	1.1	0.095	ND
11:40	1.1	0.093	ND
11:50	1.2	0.074	ND
12:00	1.1	0.071	ND
12:10	1.1	0.061	ND
12:20	1.2	0.056	ND
12:30	1.1	0.055	11
12:40	1.1	0.053	14
12:50	1.1	0.060	13
13:00	1.1	0.062	13
13:10	1.1	0.060	13
13:20	1.1	0.069	15
13:30	1.1	0.070	11
13:40	1.1	0.075	9.2
13:50	1.1	0.082	ND
14:00	1.1	0.087	ND
14:10	1.1	0.083	9.3
14:20	1.1	0.080	ND
14:30	1.1	0.081	ND
14:40	1.1	0.080	9.5
14:50	1.1	0.064	11
15:00	1.1	0.056	12
15:10	1.1	0.064	10
15:20	1.1	0.062	ND
15:30	1.1	0.054	ND
15:40	1.1	0.054	ND
15:50	1.1	0.060	ND
16:00	1.1	0.064	ND
16:10	1.1	0.062	ND
16:20	1.1	0.066	ND
16:30	1.1	0.065	ND
16:40	1.1	0.066	ND
16:50	1.1	0.061	ND
17:00	1.2	0.059	ND
17:10	1.1	0.071	ND
17:20	1.1	0.066	ND
17:30	1.2	0.062	ND
17:40	1.2	0.053	ND
17:50	1.2	0.058	ND
18:00	1.2	0.053	ND
18:10	1.2	0.049	ND
18:20	1.2	0.053	9.5
18:30	1.2	0.059	ND
18:40	1.1	0.062	ND
18:50	1.1	0.051	10
19:00	1.2	0.045	ND
19:10	1.2	0.035	ND
19:20	1.2	0.038	ND
19:30	1.2	0.047	ND
19:40	1.2	0.052	9.6
19:50	1.2	0.058	8.8
20:00	1.2	0.065	10
20:10	1.2	0.066	10
20:20	1.2	0.065	9.9
20:30	1.2	0.059	10
20:40	1.2	0.052	ND
20:50	1.2	0.053	ND
21:00	1.2	0.051	ND
21:10	1.2	0.055	ND
21:20	1.2	0.047	ND
21:30	1.2	0.041	ND
21:40	1.2	0.051	9.0
21:50	1.2	0.053	ND
22:00	1.2	0.060	8.8
22:10	1.3	0.070	ND
22:20	1.3	0.076	ND
22:30	1.3	0.074	ND
22:40	1.3	0.076	ND
22:50	1.4	0.069	10
23:00	1.4	0.071	ND
23:10	1.4	0.077	ND
23:20	1.3	0.083	ND
23:30	1.3	0.084	ND
23:40	1.3	0.091	ND
23:50	1.3	0.089	ND

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