Color TV screens as radon daughter collectors

["North, David" <DNorth@LIFESPAN.ORG>]

Dear Radsafers,



I know this subject has come up on the List before, but I wasn't paying

really close attention. Now my daughter needs some sort of science project,

and I thought it might be possible for her to assay some airborne dust

(hopefully laden with radon daughters) that collects on TV and PC monitor

screens. Are there any tips out there for doing this? What's good for

cleaning the screens? What's good for counting, a thin-window GM? How long

does the TV have to be powered on to collect enough?



Any help will be much appreciated. If my daughter is happy, the whole family

will be happy!



David L. North, Sc.M. DABR

Associate Physicist

Department of Medical Physics

Main Bldg Rm 317

Rhode Island Hospital

593 Eddy St.

Providence, RI 02903

ph: (401)444-5961

fax: (401)444-4446

dnorth@lifespan.org

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