[ RadSafe ] Radon Transport

[Emer, Dudley]

It would be interesting to see what the gas permeability is for
different varieties of granites, although my suspicion is he may be
looking at fracture transport.  Do you have the experimental set up and
report on Dr. Kitto's tests? 

Dudley Emer
Geophysicist
National Security Technologies
702-295-7808 office
702-794-5824 pager
702-521-8577 cell

-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of al gerhart
Sent: Monday, September 22, 2008 3:02 PM
To: radsafe at radlab.nl
Subject: [ RadSafe ] Radon Transport

Dan,
  this might not be relevant, but it was interesting and might touch on
the subject you are looking at.  Dr. Kitto did some testing with the
granite slabs on the porosity of granite to the Radon.  He took a known
high exhalation rate granite, then placed another known low emanation
rate granite on top, then placed the Radon detector on top with a
chamber over the meter.
   
  Supposedly, the Radon came right through the low emitting slab.
   
  If true, it is not what I would have expected.
   
  I know, don't speculate :-)
   
  Later,
   
  Al
   
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