Source Study of Water Pollution to Fluorine in Ahar Town Villages, East Azarbayjan Province
Subject Areas : Water and Environment
1 - Ph.D Student, Soil Science Faculty, Tehran University, Tehran, Iran
Keywords: Groundwater Resources, water type, geologic change,
Abstract :
Higher contents of standard limits of F element in drinking water of Galandar village of Ahartown in East Azarbayjan was reported by health center and people of this village. This study wasconducted to evaluate water pollution (and probability soil pollution) to F and probable source of thispollution. For this purpose, from water, soil, and rock of the watershed were sampled and EC,temperature, pH parameters of water were measured in field. Cations and anions analyses and Fcontents of water, soil, and rock samples were carried out in lab. Also, microscopic sections of rockswere prepared and this samples measured by XRF method. Results showed water type in low-changedand lime was bicarbonate-calcite, in Galandar village with high-changed, sodium-sulphate, and inother samples were sulphate-calcite. Comparing of obtained results with Iran, WHO, and EPAdrinking water standards showed F and sulfate ions were higher than permissible limit in some watersamples. Diagrams of elements concentrations Fluctuations in water samples, showed high correlation between F, bicarbonate, and Na ions. Appearance of F contain minerals in Biotite, Hornblende, and Apatite minerals in microscopic sections, high contents of F in XRF results, and normative composition of the rock samples, correspond water pollution source of F to metamorphic rocks of this region. Therefore, with highgeologic changes in the rocks, pollution potential of this region is high. F contents in the soil samples,showed lower than permissible limit of this element content.
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