Classification of mineral deposits according to the degree of radon release

A classification of mineral deposits according to the degree of radiation hazard for workers in prospecting sections and mining-enrichment combines and the public in adjoining development territories is substantiated on the basis of NRB-99. Four categories of radiation hazardous deposits are identified. The radiation hazard is considered separately for the public, workers in underground sections, and workers in surface production and processing operations. 4 tables, 8 references. A. A. Logachev All-Russia Scientific-Research Institute of Prospecting Geophysics. Translated from Atomnaya énergiya, Vol. 88, No. 6, pp. 438–445, June, 2000.