[ RadSafe ] Ambient Dose Rates in Fukushima Prefecture

[henric.bolander at vattenfall.com]

I guess its 1 m above the ground?

/Henric

 

-----Ursprungligt meddelande-----
Från: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] För Ted de Castro
Skickat: den 20 november 2013 05:44
Till: The International Radiation Protection (Health Physics) Mailing List
Ämne: Re: [ RadSafe ] Ambient Dose Rates in Fukushima Prefecture

At 1 meter from what????

On 11/19/2013 8:33 PM, Joel C. wrote:
> It was pointed out to me that ambient levels in the Fukushima Prefecture have been steady at about 0.75 uSv/h @ 1 meter for many months, but recently fell to 0.28 uSv/h.  With patience, you can see the change at:
>
>
> http://radioactivity.nsr.go.jp/en/list/192/list-1.html
>
> Anyone want to try to explain the decrease?  I guessed snow cover; but the data from 2012 winter are 0.6-0.7 uSv/h.
>   
>
> Joel I. Cehn, CHP
> Radiation Info
> joelc at alum.wpi.edu
>
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