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Contemporary Problems of Ecology

2009 year, number 2

About Fluorine Content in Natural Water in the Southern Part of the Territory Between the Ob and the Irtysh

Y. V. Ermolov
Keywords: fluorine, natural water, territory between the Ob and the Irtysh, ecological-geochemical evaluation
Pages: 319-325

Abstract

Fluorine content in 327 sources of surface, soil-ground and underground water in the south of the territory between the Ob and the Irtysh is investigated. Substantial variations of fluorine concentration in water are revealed; its possible geochemical reasons are considered. A large region with high (> MPC) fluorine concentration in the sources of underground water involved in water supply to settlements was discovered in the western part of the Baraba plain. The values of fluorine to calcium ratios in those water samples provide evidence of the high danger of fluorosis in the population.