Abstract
The Ribeira de Iguape river, received for approximately 40 years, mining waste (tailings from beneficiation and smelting slag) enriched in potentially toxic metals. Studies conducted during the period of mining and ore beneficiation, 1980s and early 1990s activities, found high concentrations of Pb in waters and sediments of Ribeira de Iguape river, its tributaries and Iguape-Cananéia est…