TEPCO : 福島第一原子力発電所における海水放射線モニタ計測結果（過去分）

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福島第一原子力発電所における海水放射線モニタ計測結果（過去分）

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○計測値一覧：2026年07月08日(CSVデータダウンロード)

放射能濃度単位：Bq/L

※検出限界値未満の場合はNDと表示されます。

計測時刻 Cs137 Cs134 全β

00:00 ND ND ND

00:10 ND ND ND

00:20 ND ND 9.6

00:30 ND ND 10

00:40 ND ND 10

00:50 ND ND 13

01:00 ND ND 12

01:10 ND ND 13

01:20 ND ND 9.0

01:30 ND ND 12

01:40 ND ND 14

01:50 ND ND 10

02:00 ND ND 11

02:10 ND ND 9.5

02:20 ND ND 13

02:30 ND ND 12

02:40 ND ND 11

02:50 ND ND 16

03:00 ND ND 15

03:10 ND ND 16

03:20 ND ND 14

03:30 ND ND 12

03:40 ND ND 12

03:50 ND ND 9.3

04:00 ND ND 8.5

04:10 ND ND ND

04:20 ND ND ND

04:30 ND ND ND

04:40 ND ND ND

04:50 ND ND ND

05:00 ND ND 8.8

05:10 ND ND 10

05:20 ND ND 11

05:30 ND ND 14

05:40 ND ND 11

05:50 ND ND 10

06:00 ND 0.025 10

06:10 ND ND 9.0

06:20 ND 0.028 11

06:30 ND 0.027 12

06:40 ND ND 14

06:50 ND ND 14

07:00 ND ND 14

07:10 ND ND 18

07:20 ND ND 15

07:30 ND ND 14

07:40 ND ND 13

07:50 ND ND 14

08:00 ND ND 15

08:10 ND ND 13

08:20 ND ND 13

08:30 ND ND 12

08:40 ND ND 13

08:50 ND ND 14

09:00 ND 0.026 14

09:10 ND ND 14

09:20 ND 0.026 15

09:30 ND ND 17

09:40 ND ND 15

09:50 ND ND 13

10:00 ND ND 12

10:10 ND ND 11

10:20 ND ND 14

10:30 ND ND 12

10:40 ND ND 13

10:50 ND ND 16

11:00 ND ND 17

11:10 ND ND 20

11:20 ND 0.029 19

11:30 ND 0.031 19

11:40 ND 0.031 21

11:50 ND ND 23

12:00 ND ND 22

12:10 ND ND 23

12:20 ND ND 22

12:30 ND ND 22

12:40 ND ND 21

12:50 ND ND 17

13:00 ND ND 16

13:10 ND ND 14

13:20 ND ND 12

13:30 ND ND 13

13:40 ND ND 13

13:50 ND ND 14

14:00 ND ND 17

14:10 ND ND 17

14:20 ND ND 21

14:30 ND ND 18

14:40 ND ND 19

14:50 ND ND 18

15:00 ND ND 14

15:10 ND ND 12

15:20 ND ND 8.5

15:30 ND ND 11

15:40 ND ND 11

15:50 ND ND 11

16:00 ND ND 12

16:10 ND ND 12

16:20 ND ND 13

16:30 ND ND 11

16:40 ND ND 9.6

16:50 ND ND 9.6

17:00 ND ND 11

17:10 ND ND 10

17:20 ND ND ND

17:30 ND ND ND

17:40 ND ND 9.0

17:50 ND ND 12

18:00 ND ND 12

18:10 ND ND 14

18:20 ND ND 18

18:30 ND ND 20

18:40 ND ND 17

18:50 ND ND 17

19:00 ND ND 16

19:10 ND ND 13

19:20 ND ND 12

19:30 ND ND 9.7

19:40 ND ND 12

19:50 ND ND 14

20:00 ND ND 13

20:10 ND ND 15

20:20 ND ND 13

20:30 ND ND 15

20:40 ND ND 16

20:50 ND ND 14

21:00 ND ND 14

21:10 ND ND 13

21:20 ND ND 15

21:30 ND ND 15

21:40 ND ND 10

21:50 ND ND 9.3

22:00 ND ND 10

22:10 ND ND 12

22:20 ND ND 9.6

22:30 ND ND 9.9

22:40 ND ND 13

22:50 ND ND 12

23:00 ND ND 12

23:10 ND ND 11

23:20 ND ND 15

23:30 ND 0.026 14

23:40 ND 0.027 17

23:50 ND 0.026 17

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	ND
00:10	ND	ND	ND
00:20	ND	ND	9.6
00:30	ND	ND	10
00:40	ND	ND	10
00:50	ND	ND	13
01:00	ND	ND	12
01:10	ND	ND	13
01:20	ND	ND	9.0
01:30	ND	ND	12
01:40	ND	ND	14
01:50	ND	ND	10
02:00	ND	ND	11
02:10	ND	ND	9.5
02:20	ND	ND	13
02:30	ND	ND	12
02:40	ND	ND	11
02:50	ND	ND	16
03:00	ND	ND	15
03:10	ND	ND	16
03:20	ND	ND	14
03:30	ND	ND	12
03:40	ND	ND	12
03:50	ND	ND	9.3
04:00	ND	ND	8.5
04:10	ND	ND	ND
04:20	ND	ND	ND
04:30	ND	ND	ND
04:40	ND	ND	ND
04:50	ND	ND	ND
05:00	ND	ND	8.8
05:10	ND	ND	10
05:20	ND	ND	11
05:30	ND	ND	14
05:40	ND	ND	11
05:50	ND	ND	10
06:00	ND	0.025	10
06:10	ND	ND	9.0
06:20	ND	0.028	11
06:30	ND	0.027	12
06:40	ND	ND	14
06:50	ND	ND	14
07:00	ND	ND	14
07:10	ND	ND	18
07:20	ND	ND	15
07:30	ND	ND	14
07:40	ND	ND	13
07:50	ND	ND	14
08:00	ND	ND	15
08:10	ND	ND	13
08:20	ND	ND	13
08:30	ND	ND	12
08:40	ND	ND	13
08:50	ND	ND	14
09:00	ND	0.026	14
09:10	ND	ND	14
09:20	ND	0.026	15
09:30	ND	ND	17
09:40	ND	ND	15
09:50	ND	ND	13
10:00	ND	ND	12
10:10	ND	ND	11
10:20	ND	ND	14
10:30	ND	ND	12
10:40	ND	ND	13
10:50	ND	ND	16
11:00	ND	ND	17
11:10	ND	ND	20
11:20	ND	0.029	19
11:30	ND	0.031	19
11:40	ND	0.031	21
11:50	ND	ND	23
12:00	ND	ND	22
12:10	ND	ND	23
12:20	ND	ND	22
12:30	ND	ND	22
12:40	ND	ND	21
12:50	ND	ND	17
13:00	ND	ND	16
13:10	ND	ND	14
13:20	ND	ND	12
13:30	ND	ND	13
13:40	ND	ND	13
13:50	ND	ND	14
14:00	ND	ND	17
14:10	ND	ND	17
14:20	ND	ND	21
14:30	ND	ND	18
14:40	ND	ND	19
14:50	ND	ND	18
15:00	ND	ND	14
15:10	ND	ND	12
15:20	ND	ND	8.5
15:30	ND	ND	11
15:40	ND	ND	11
15:50	ND	ND	11
16:00	ND	ND	12
16:10	ND	ND	12
16:20	ND	ND	13
16:30	ND	ND	11
16:40	ND	ND	9.6
16:50	ND	ND	9.6
17:00	ND	ND	11
17:10	ND	ND	10
17:20	ND	ND	ND
17:30	ND	ND	ND
17:40	ND	ND	9.0
17:50	ND	ND	12
18:00	ND	ND	12
18:10	ND	ND	14
18:20	ND	ND	18
18:30	ND	ND	20
18:40	ND	ND	17
18:50	ND	ND	17
19:00	ND	ND	16
19:10	ND	ND	13
19:20	ND	ND	12
19:30	ND	ND	9.7
19:40	ND	ND	12
19:50	ND	ND	14
20:00	ND	ND	13
20:10	ND	ND	15
20:20	ND	ND	13
20:30	ND	ND	15
20:40	ND	ND	16
20:50	ND	ND	14
21:00	ND	ND	14
21:10	ND	ND	13
21:20	ND	ND	15
21:30	ND	ND	15
21:40	ND	ND	10
21:50	ND	ND	9.3
22:00	ND	ND	10
22:10	ND	ND	12
22:20	ND	ND	9.6
22:30	ND	ND	9.9
22:40	ND	ND	13
22:50	ND	ND	12
23:00	ND	ND	12
23:10	ND	ND	11
23:20	ND	ND	15
23:30	ND	0.026	14
23:40	ND	0.027	17
23:50	ND	0.026	17