Between the Poles: Fukushima Daiichi: Radiation readings near perimeter continue to decline

Geoff Zeiss

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April 03, 2011

Fukushima Daiichi: Radiation readings near perimeter continue to decline

JAIF has reported radiation readings at the Fukushima Daiichi plant at 09:00, Apr. 3rd (20:00 Saturday April 2 ET)

0.83 mSv/h (830 μSv/h) at the south side of the office building
127 μSv/h at the Main gate
59 μSv/h at the West gate

A nuclear power worker in Japan exposed to the level recorded at the west gate ( 59 μSv/h ) for a prolonged period would reach his/her maximum exposure for a year (100 mSv/yr) in about 70 days. A member of the public would reach his/her annual maximum exposure (1 mSv/yr ) in about 17 hrs of prolonged exposure.

Previous readings

21:00, Mar. 31st (08:00 am Thursday March 31 ET)

0.94 mSv/h (940 μSv/h) at the south side of the office builiding
148 μSv/h at the Main gate
70 μSv/h at the West gate

21:00, Mar. 30th (8:00 am Wednesday March 30 ET)

1.00 mSv/h (1000 μSv/h) at the south side of the office building
156 μSv/h at the main gate
72 μSv/h at the west gate

15:00, Mar. 30th (02:00 am Wednesday March 30 ET)

1.05mSv/h (1050 μSv/h) at the south side of the office building
163 μSv/h at the main gate
75 μSv/h at the west gate

09:00, Mar. 30th (20:00:00 Tuesday March 29 ET)

1.05 mSv/h (1050 μSv/h) at the south side of the office building
169 μSv/h at the Main gate
78 μSv/h at the West gate

Previous readings at the West Gate

120.0 μSv/h at 21:30, Mar. 28 (08:30 am Monday March 28 ET)
122.8 μSv/h at 15:30, Mar. 28 (02:30 am Monday March 28 ET)
132.5 μSv/h at the West gate at 16:00, Mar. 27 (03:00 am Sunday March 27 ET)

Posted at 11:25 AM in Electric Power, Environment, Fukushima Nuclear Incidents | Permalink

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Between the Poles

Geoff Zeiss

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April 03, 2011

Fukushima Daiichi: Radiation readings near perimeter continue to decline

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