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Two areal spots (Vladikavkaz areal spot and Unal spot) where chemical pollution of soils associated with mining reaches an extremely dangerous level were identified on the territory of North Ossetia-Alania. The areas with varying degrees of environmental stress were identified within the RSO-Alania region based on the obtained data. As a result of eco-geochemical soil sampling in the territory of Vladikavkaz, a technogenic halo of heavy metals dispersion (with an area of about 42 km2) was singled out, the nuclear zone of which, while being characterized by a high concentration of lead, zinc and copper (more than 1%), remains almost unchanged with a significant decrease in the volume of mineral processing in the last decade. Investigations on the influence of negative environmental factors on the morbidity of the population in urbanized areas of Vladikavkaz and Alagir district were conducted. A correlation relationship between the number of neoplasm cases originating from the age group of cancer patients was established. For a more detailed investigation of the distribution of cancer morbidity by age categories, similar data for the Chechen Republic were analyzed. Investigations on the influence of negative environmental factors on the morbidity of the population in urbanized areas of Vladikavkaz and Alagir district were conducted. A correlation relationship between the number of neoplasm cases originating from the age group of cancer patients was established. For a more detailed investigation of the distribution of cancer morbidity by age categories, similar data for the Chechen Republic were analyzed. Keywords—ecological state; heavy metals; technogenic pollution; morbidity; regression analysis

Environmental State of North Caucasus Region, Caused by Mining Activities