Radon in buildings, a hygiene problem caused by radiation. Radon i boliger, et stralehygienisk problem.

Investigation has shown connection between radon content in mines and lung cancer in miners. Radon is also present in building structures. Presents measurements carried out inNorwegian houses and discusses consequences of radiation doses absorbed in human lungs as well as biological effects of background radiation. Diagram illustrates concentration of radon in concrete, brick and wood. Analyses factors which affect radon content, particularly barometric pressure and ventilation rates.