Ground atmosphere is characterized by low activity of radioactive gases and aerosols, which leads to some difficulties in the choice of control methods. Modeling techniques in these cases have undeniable advantages for determining the volumetric activity (VA) of radioactive gases and aerosols in the ground atmosphere. It is known that the activity of radon isotopes and aerosols decay products i...

The report summarizes recent research and practice of using materials with high absorption ability to noble gases to measure their radioactive isotopes. Most of the studies employ bisphenol-A based polycarbonates, because of their remarkably high absorption ability to noble gases. This is the material of which commercial CDs/DVDs are made and they may serve as serendipitous, already available i...