Technological pollution impact of Dzhidinsky tungsten and molybdenum combine on children’s health in Zakamensk (Republic of Buryatia)

Based on the analysis of the carried out researches for 2008-2012 the ecological status of Zakamensk was evaluated according to the level of the health risk of the children population due to the impact of technological sand of Dzhidinsky Tungsten and Molybdenum Combine The respiratory diseases (64,1 %) caused the main part of the total increase in morbidity in children during the study period. The relative risk of respiratory diseases morbidity in contaminated areas ranges within 1.9-2.4 fold. While analyzing the morbidity on standardized indicators and with the release of conditionally clean areas the increase in the number of the respiratory diseases in schoolchildren is observed and their relative risk to the extent of environmental pollution in the area of residence and reaches the increase to 1,24 Maximum Permissible Concentration at the territory of tense situation. The assessment of the relative risks of diseases in schoolchildren and adolescents allow to relate the ecological status in Zakamensk to ecological disaster, and on the overall risk of morbidity level - to a crisis or extreme environmental situation (except the area of Novostroika, i.e. New District). The ecological situation in the city and surrounding area can be classified according to the total index of soil pollution with toxic elements: 18,5 % - satisfactory situation, 25,5 % - ecological disaster, 26 % - crisis situation, 30 % - notably tense situation. Thus, the notably tense ecological situation has occurred in the Zakamensk area. To diminish the status of the city as of ecological trouble it is necessary to conduct a comprehensive targeted program of environmental and preventive measures.