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  • From: Louis Pittman <>
  • To: mailing list at ibiblio - Northamerican Allied Fruit Experimenters <>
  • Subject: Re: [nafex] fertilzing
  • Date: Wed, 20 May 2015 08:16:57 -0500

To my understanding - and I'm not a nuclear physicist, and don't play one
on TV - is that radon, out in the open, is not a concern. It's a potential
problem when it's seeping into and accumulating in closed spaces
(basements,etc.). I suspect that in an open-field setting, any radon (it
is a gas) that might be present/released would quickly dissipate to


On Wed, May 20, 2015 at 8:00 AM, Lawrence London <>

> On Wed, May 20, 2015 at 7:42 AM, Mike Levine <> wrote:
> > I considered using some once, but the particular product we were were
> > looking at had a tiny bit of radioactive material in it. It was just a
> > small amount, but we were advised by a friend who does environmental
> > testing not to use it for that reason. Every little but of radiation is
> a
> > little bit more you just don't want around. Radon is common in our area
> > and is formed by the break down of these heavier radioactive elements so
> > it's believable that even a small amount of radioactive material in rock
> > dust could be harmful.
> >
> Thanks for the heads-up. I have heard about radioactivity issues with rock
> phosphate,
> particularly the Florida types, possibly Tennessee too, don't know about
> the Idaho.
> As for quarry dusts, I suppose it may exist, maybe with certain types of
> granite (a kind of gravelly rock used for driveways in my region). Radon is
> a problem in many areas and sealing cracks and perimeter of ground contact
> concrete slabs is necessary; there may be well water issues too.
> I'll check tonight to see if my feet and hands are beginning to glow. As
> for my use of quarry dusts I feel the benefits far outweigh any risks.
> --
> Lawrence F. London
> Ello: @ecoponderosa <>
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