Distribution of arsenic in the area caused by the natural decay of soil and
Mining of human activities. More likely to spread into the environment. Also from leaching from the rain and emissions of arsenic-contaminated wastewater into natural water resources. Properties of arsenic have a melting point 817oC and boiling point 613oC does not dissolve and suspended in water source. When it binds with soil particles and sediment deposition into the bottom.