THE USE OF RESULTS OF EXPANDED MONITORING RESEARCH FOR THE INTEGRATED ASSESSMENT OF DRINKING WATER ACCORDING TO INDICES OF CHEMICAL HARMLESSNESS
According to results of the estimation of drinking water on the index of the chemical harmlessness of five water intake structures of the city of Ufa, the drinking water of a superficial water intake on total and population cancerogenic risks was shown to be more harmful in comparison with water from infiltration water intakes. At the same time, drinking water from an infiltration water intake with ultra-violet disinfecting has smallest values of cancerogenic and non-cancerogenic risks. Trigalogenmetans and dichloroacetic acid (water disinfection chlorine by-products)| make the main contribution to the value of the total cancerogenic risk of the studied drinking waters, trigalogenmetans and di(2-ethylhexyl)phthalate make the contribution to the value of noncancerogenic risk. Polycyclic Aromatic Hydrocarbons fail to have a significant impact on the value of total cancerogenic risk of drinking water of the city in view of their presence at low concentration. Work is carried out according to R 188.8.131.520-04 and MR 2.1.4.0032-11.
About the authorsVozhdaeva Margarita Yu.
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