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

○Information

○Measurement value list ： 2018/03/01(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	0.85	0.043	ND
00:10	0.83	0.042	ND
00:20	0.80	0.053	ND
00:30	0.80	0.050	ND
00:40	0.82	0.051	ND
00:50	0.85	0.039	ND
01:00	0.87	0.030	ND
01:10	0.91	0.029	ND
01:20	0.96	ND	ND
01:30	0.96	ND	ND
01:40	0.95	ND	ND
01:50	0.90	0.033	ND
02:00	0.88	0.041	ND
02:10	0.85	0.047	ND
02:20	0.85	0.050	ND
02:30	0.83	0.055	ND
02:40	0.82	0.054	8.8
02:50	0.82	0.051	9.7
03:00	0.83	0.047	ND
03:10	0.85	0.046	ND
03:20	0.82	0.045	9.5
03:30	0.82	0.049	8.8
03:40	0.84	0.040	ND
03:50	0.84	0.045	ND
04:00	0.86	0.047	9.9
04:10	0.84	0.047	ND
04:20	0.84	0.050	ND
04:30	0.84	0.050	ND
04:40	0.82	0.059	ND
04:50	0.82	0.058	ND
05:00	0.79	0.060	ND
05:10	0.81	0.065	ND
05:20	0.82	0.057	ND
05:30	0.82	0.061	ND
05:40	0.82	0.066	ND
05:50	0.83	0.066	ND
06:00	0.86	0.063	ND
06:10	0.86	0.056	ND
06:20	0.86	0.058	ND
06:30	0.88	0.057	ND
06:40	0.91	0.048	ND
06:50	0.91	0.046	11
07:00	0.89	0.049	10
07:10	0.89	0.056	14
07:20	0.88	0.065	16
07:30	0.87	0.074	15
07:40	0.87	0.077	14
07:50	0.88	0.083	13
08:00	0.88	0.083	13
08:10	0.87	0.081	12
08:20	0.90	0.073	12
08:30	0.89	0.067	14
08:40	0.90	0.062	14
08:50	0.88	0.074	16
09:00	0.90	0.067	18
09:10	0.90	0.065	18
09:20	0.87	0.070	18
09:30	0.90	0.059	20
09:40	0.88	0.061	21
09:50	0.87	0.056	19
10:00	0.88	0.061	18
10:10	0.86	0.071	15
10:20	0.86	0.078	14
10:30	0.84	0.083	12
10:40	0.84	0.092	12
10:50	0.84	0.092	14
11:00	0.83	0.093	13
11:10	0.84	0.091	13
11:20	0.85	0.082	12
11:30	0.88	0.077	14
11:40	0.89	0.077	12
11:50	0.87	0.074	8.8
12:00	0.91	0.062	9.7
12:10	0.89	0.064	8.8
12:20	0.88	0.067	ND
12:30	0.87	0.061	ND
12:40	0.89	0.039	ND
12:50	0.90	0.041	9.7
13:00	0.88	0.045	ND
13:10	0.89	0.041	9.5
13:20	0.90	0.036	12
13:30	0.91	0.034	13
13:40	0.90	0.043	9.9
13:50	0.90	0.046	12
14:00	0.88	0.051	15
14:10	0.88	0.055	16
14:20	0.88	0.061	15
14:30	0.88	0.063	16
14:40	0.88	0.066	19
14:50	0.90	0.051	18
15:00	0.92	0.049	19
15:10	0.90	0.044	18
15:20	0.91	0.046	18
15:30	0.90	0.044	19
15:40	0.91	0.046	19
15:50	0.89	0.058	17
16:00	0.91	0.059	15
16:10	0.93	0.059	15
16:20	0.92	0.059	17
16:30	0.92	0.060	15
16:40	0.89	0.067	13
16:50	0.92	0.059	13
17:00	0.92	0.059	14
17:10	0.93	0.056	17
17:20	0.94	0.063	16
17:30	0.97	0.058	19
17:40	1.0	0.056	19
17:50	0.98	0.073	18
18:00	0.99	0.069	17
18:10	0.98	0.077	13
18:20	0.98	0.067	11
18:30	0.99	0.069	9.0
18:40	0.99	0.062	ND
18:50	0.98	0.054	10
19:00	0.99	0.062	8.9
19:10	1.0	0.064	9.5
19:20	1.0	0.064	13
19:30	1.0	0.064	12
19:40	1.0	0.057	12
19:50	1.0	0.062	14
20:00	1.0	0.067	14
20:10	1.0	0.065	15
20:20	1.0	0.075	13
20:30	1.0	0.072	13
20:40	1.0	0.090	16
20:50	1.0	0.092	15
21:00	1.0	0.096	14
21:10	0.99	0.094	11
21:20	1.0	0.086	15
21:30	0.99	0.083	15
21:40	0.99	0.072	13
21:50	0.99	0.066	9.6
22:00	1.0	0.059	10
22:10	0.99	0.061	11
22:20	0.99	0.065	9.2
22:30	0.99	0.060	12
22:40	0.99	0.065	13
22:50	1.0	0.054	17
23:00	1.0	0.060	19
23:10	1.0	0.048	19
23:20	1.0	0.057	19
23:30	1.0	0.066	16
23:40	1.0	0.067	17
23:50	1.0	0.077	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