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HYGIENIC EVALUATION OF THE CARCINOGENIC RISK TO HEALTH OF THE POPULATION LIVING IN THE ZONE OF THE EXPOSURE TO PLACES OF THE BURIAL STORAGE OF WASTE OF MINING AND PROCESSING ENTERPRISES


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Abstract

The article deals with hygienic problems related to effects of the results of the previous economic activities of the ore mining and processing enterprise located in Zakamensk (Republic of Buryatia) on the health of the population. The storage of the plant’s waste in close proximity to residential buildings was established to generate an abnormal quality of the habitat (up to 2 MPC for single dose (MPCsd) of the investigated metals in the atmospheric air, up to 4 MPC in drinking water, up to 85 MPCsd in the soil), and unacceptable levels of a carcinogenic risk to the health of the population (total individual carcinogenic risk is up to 2.11 ∙ 10-3). The main factors of carcinogenic risk are metals (cadmium, nickel, chromium, cobalt, beryllium, arsenic, lead, etc.) presenting the components of the waste of the ore mining and processing enterprise, among which the greatest contribution is made by chromium [contribution to total cancerogenic risk (TCR) up to 80.9%] and arsenic (contribution up to 53.2%). Priority objects of risk factors from the habitat are atmospheric air and food products (contribution to the TCR value up to 71.0 and 43.1%, respectively).


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