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۱Measurement of Heavy Metals Concentration in Drinking Water from Source to Consumption Site in Kermanshah – Iran
اطلاعات انتشار: World Applied Sciences Journal، بيست و يكم،شماره۳، ۲۰۱۳، سال
تعداد صفحات: ۸
Nowadays water pollution is one of the most important environmental health concerns. Quality of drinking water is affected by conditions of water supply system and presence of contamination sources. In this study a total number of 165 water samples were collected from water supply resources (128 wells), 25 water reservoirs and water distribution network (tap water) of Kermanshah City (with a population of about one million). Heavy metals concentrations (Aluminum, Arsenic, Cadmium, Lead, Chromium, Mercury, Copper, Cobalt, Iron, Manganese, Selenium, Molybdenum, Vanadium, Antimony, Nickel and Zinc) in all samples were measured by the Varian atomic absorption device. Results indicated that concentrations of all measured metals (except the amount of Aluminum, Iron and Manganese in some samples of water resources, distribution network and water reservoirs) were lower than the national standards and guidelines recommended by the World Health Organization (WHO). Continuous monitoring of heavy metals concentrations in urban water systems from source of production to consumption site is recommended to identify the source of pollution.
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