Radiation conditions from radon dwellings of various purpose

A specific feature of the mechanism of pollution of air environment is continuous flow of a radon in volume of a dwelling and, owing to it decay, accumulation of affiliated products, mainly determining a dose load on the person. The intensity of radon allocation in volume of a dwelling depends basically on geophysical properties of spread under rocks building material and time of air exchange. This determines specific character of formation of a radiating conditions in residential and industrial dwellings. Main sources of allocation of a radon in volume of dwelling are: 1. Massif of rocks under buildings. 2 Building materials. 3. Technical and drinking water, natural gas. The quantity of a radon, arriving from these sources, depends on a number of the reasons, determined by geological and geophysical properties of spread under rocks and by construction and architect features of dwellings and buildings. (author)