Radon Progeny and Trafic

by Mr Olof Lundberg (Stockholm University)

Friday 9 Oct 2009, 10:15 → 11:30 Europe/Stockholm

A3:1003

Research concerning the behaviour of radon and thoron progeny in outdoor air is of great importance for a number of medical and geological reasons. This study investigate the concentrations of three progeny isotopes, 212Pb, 214Pb and 214Bi, and in particular their correlations with trafic. It is concluded that neither is there any evident correlation between the diurnal changes in trafic volume and the diurnal changes in activity concentrations, nor are there any signifi- cant variations between week-ends and weekdays. Some conclusions about the correlations between different weather variables and activity concentrations are drawn, and it is concluded that the most important factor for the concentrations is whether it is day or night.