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Radon equilibrium factor and aerosols

Equilibrium factor values (F) were measured in the NRPB radon chamber and corresponding track densities of the bare (D) and diffusion (D-0) LR-115 nuclear track detectors were determined. The obtained empirical function, F(D/D-0), has agreed with the theoretical one, that had been derived by using concentration equations for the radon and its short-lived decay products. Measurements of the detector track densities and aerosol concentrations (c(a)) made possible a fitting of the D/D-0(c(a)) function, that after introducing into the F (D/D-0) gave a relationship for the equilibrium factor and aerosol concentration, F(c(a)). So, it was possible to assess a radon dose equivalent if concentrations of radon and aerosols in the air were known (measured). [References: 10]

radon equilibrium factor; nuclear track detector; aerosols; dose equivalent

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