Chemical analysis of surface layers of the dumps soil of the city of augustinópolis, tocantins
The dumps are considered potential sources of heavy metals, since various types of waste are disposed of inappropriately in this area and can contaminate the air, surface water and groundwater, and encouraging the spread of disease through vectors. This study aims to analyze the soil surface layers of the landfill in the municipality of Augustinópolis, Tocantins, about the presence of some heavy metals. It is a field research, with analysis of pH and heavy metals in the soil of the dump in order to compare the values obtained with the guiding values of the CONAMA resolution n ⁰ 420/2009.