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Permeability of caulking compounds to 222Rn
1General Electric Research and Development Center, Schenectady, NY 12301.
Health Physics
|January 1, 1992
Abstract:
Caulking compounds have been tested as 222Rn barriers. Of these, the most effective is GE acrylic Latex Silicone Caulk, 0.2 cm of which attenuates 222Rn by 98% to 99.9%. The same thickness of two commercial 222Rn barriers attenuates radon by 75% to 90%. Permeabilities range from 0.3 to 140 x 10(-8) cm2 s-1.