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Re: Outdoor Rn measurements (background)

Although I agree with what's been said already, the possible existence of
potential radon/thoron emitting formations upwind of the predominant winds
in these months could be a consideration.  Many years ago, before I came to
it was established that radon/thoron levels on Long Island are greater in
the winter months when the predominant winds are from the NNW and sweep
radon from the uranium rich Palisades (some 60 miles upwind).
Andy Hull

At 12:40 PM 4/8/98 -0500, you wrote:
>We see Rn levels go up in Dec/Jan each year, and have accepted this as fact,
> but does anyone have available data that supports this?  I have found some 
>daily, and hourly data, but was hoping to find the data already summarized.
>Thanks in advance
>Brian Rees