Information on radiation monitoring of accidents at the Fukushima I Nuclear Power Plant -2013

Information on radiation monitoring of accidents at the Fukushima I Nuclear Power Plant (2013)

Location: Tohoku University (Sendai City, Aoba-ku, Aobayama Area)
Normal Level (BG): approx. 0.04 microsieverts/hr. (Reference data: Natural background radiation dose par hours from the ground in the world)
* Measurements indicate airborne dosage rates.
Inquiries: Tohoku University Environment & Safety Office (022-217-6017)

December 19

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.06 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.09 No health risk

December 12

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

December 5

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.11 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.09 No health risk

November 28

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.09 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

November 21

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.11 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

November 14

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.09 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

November 7

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

October 31

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.09 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

October 24

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

October 17

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.09 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

October 10

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

October 3

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

September 26

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.12 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

September 19

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

September 13

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

September 12

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

September 5

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

August 30

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.11 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

August 22

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

August 8

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.06 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.10 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

August 1

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.11 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

July 25

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11No health risk

July 18

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

July 11

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11No health risk

July 4

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

June 27

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.07 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10No health risk

June 20

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

June 13

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

June 6

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

May 30

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

May 23

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.07 No health risk
Watari (Kamimachi): 0.11 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

May 16

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

May 9

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.14 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

May 2

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.09 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

April 25

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

April 18

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.06 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.14 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

April 11

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.18 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.10 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

April 4

Measurements taken for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.09 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

March 29, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 28, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on March 28 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.10 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

March 27, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 26, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 25, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 22, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on March 22 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.10 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

March 21, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

March 19, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 18, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

March 15, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

March 14, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on March 14 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

March 13, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 12, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 11, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 8, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 7, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on March 7 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.09 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

March 6, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 5, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

March 4, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

March 1, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 28, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on February 28 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.09 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.10 No health risk
Kakuda (Uramachi): 0.14 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

February 27, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

February 26, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 25, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 22, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

February 21, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on February 21 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.14 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

February 20, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 19, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 18, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 15, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 14, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.06 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on February 14 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.09 No health risk
Watari (Kamimachi): 0.15 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk

February 13, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 12, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 8, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 7, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on February 7 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.09 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

February 6, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 5, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 4, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

February 1, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 31, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on January 31 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.14 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

January 30, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 29, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 28, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 25, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 24, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on January 24 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.12 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.11 No health risk

January 23, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 22, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 21, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 18, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 17, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on January 17 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.04 No health risk
Iwanuma (Nagaoka): 0.10 No health risk
Watari (Kamimachi): 0.11 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.08 No health risk
Kakuda (Uramachi): 0.12 No health risk
Marumori (Marumori Town Hall): 0.10 No health risk

January 16, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 15, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 11, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

January 10, 17:00 (Time of measurement: 16:00)

Recorded Level: 0.07 microsieverts/hr.
Comments: No health risk.

Additional Information (Updated approx.)
Measurements taken on January 10 for other areas are as follows (in microsieverts/hr.)
Natori (Jusanzuga): 0.05 No health risk
Iwanuma (Nagaoka): 0.08 No health risk
Watari (Kamimachi): 0.13 No health risk
Yamamoto (1.5km west of Sakamoto Station, Line No. 6/unpaved zone): 0.11 No health risk
Kakuda (Uramachi): 0.13 No health risk
Marumori (Marumori Town Hall): 0.12 No health risk