RE: Radon class demo

["Grimm, Lawrence" <LGrimm@ADMIN.UCLA.EDU>]

1) Make sure your sampling area is not under positive pressure - most
University/commerical facilities are under positive pressure.  Radon rarely
builds up in this instance. 
2) Try finding a computer monitor/TV that builds up dust.  If the area has
much radon, you will find a fair amount of the progeny from a wipe of the
screen.  Try a wipe on a basement TV at home.  Likely there is a negative
pressure in the basement, and being in the Midwest, likely a fair amount of
Radon.  

Larry Grimm
lgrimm@admin.ucla.edu
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