Szukana fraza: [Abstract = "On the basis of the studies, was found that the main phases of the sludges PSP are\: lead sulphide, zinc sulphide, nonstoichiometriciron sulfides, lead oxide, chalcopyriteandzinc oxide. In all identified phases, the accompanying elements\:Si, Fe, Cd, As, Ca, Mn, Sn, In, Sb, Te, in different concentrations, were found. Sludges PSP, due to the presence in their phasesof numerous accompanying elements, may be a potential source of ground\-water environment pollution."]

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