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[Drinking water quality indices in the Orenburg Region].

N A NA Golubkina, T I TI Burtseva, and A Iu AIu Gatsenko

Gig Sanit (2011) PMID 21510052

The quality of underground waters from 22 areas of the Orenburg Region was studied from the values of mineralization and pH and the amounts of the ions of Se, Cl, Pb, Cd, F, and phenols. High fluorine ion concentrations (5-12 mg/l), high mineralization (> 1 g/l), and alkalinity (pH > 8.0) were shown to be human risk factors in a considerable number of areas. Districts with cadmium, lead, and phenol ion-polluted underground waters were identified. The amount of selenium in the drinking water (18-319 ng/l) and in the sera of donors in Orenburg, Buzuluk, and Orsk (86-97 microg/l) fails to support the data available in the literature on environmental selenium pollution and is comparable with the relevant data for the Moscow Region.

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