Re: Potassium 40 variation in soil

[William V Lipton <liptonw@dteenergy.com>]

NCRP Report No. 50, "Environmental Radiation Measurements," has some of this
information.

Maybe a website is an acceptable source of information "for educational
purposes," but I would not use such a source for any application where accurate
information is important, unless I could validate the data.

The opinions expressed are strictly mine.
It's not about dose, it's about trust.

Bill Lipton
liptonw@dteenergy.com

Bjorn Cedervall wrote:

> I have this one number of 400 Bq K-40 per kg in soil. Guess that "soils" can
> vary in composition quite a bit. Can anyone give me an idea about the
> natural variation - or give me a hint about some relevant website? (I am
> also interested in values for granite and other major rock types). The same
> question is for Th-232 and U-238. This is for educational purposes - to
> teach people about natural radioactivity. Thank you in advance for any help.
>
> Bjorn Cedervall    bcradsafers@hotmail.com
>
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