The paper is devoted to the study of the regularities of the radon situation formation in modern multi-storey buildings at the design stage. Calculation schemes for radon entry into the premises of the lower and upper floors are constructed. a method for determination of radon concentration in the building after its erection is proposed. It is based on a joint analysis of the soil bas... https://www.mainlandskateandsurfes.shop/product-category/boys-youth-hoodies/