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Re: variations in background





On 7 Sep 2002 at 11:55, Michael G. Stabin wrote:



> For Tennessee, we cite an average value of 3 mSv/y, 



Hi Mike,



I believe that the average dose received from all sources of radiation, natural 

background, medical, etc., is quoted at about 3.6 mSv/Yr. I think that the 3.0 mSv you 

quote is from all sources, and not just the natural background component.



Regards,



Sandy

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