Re: Radon equilibrium fraction in outdoor air

["Philippe Duport" <pduport@home.com>]

Forgot to mention, equilbrium given in activity ratio:


Measurements made in Brest, Brittany, France, in 1977 (not yesterday) by Dr.
Georges Tymen (PhD dissertation):

                       Rn   /   Po-218   /  Pb- 214    /    Bi-214-Po-214

 Average:       1             1                 .53                      .22

Min                 1            0.98              0.28
0.06

Max                 1            1                  0.8
0.5


Philippe Duport
International Centre for Low Dose Radiation Reserach
University of Ottawa
pduport@uottawa.ca
t: 613 562 5800, ext 1270

----- Original Message -----
From: Cook, Lew (LCOO) <LCOO@chevron.com>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Sent: Monday, February 07, 2000 10:28 AM
Subject: Radon equilibrium fraction in outdoor air


> What is a good consensus number for Radon equilibrium (short half lived
> decay products only) in outdoor air?
>
> Lew
> 510 242-7040
> lcoo@chevron.com
>
>
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