Research Article

Assessment of Ecological Risk of Heavy Metals Using Probabilistic Risk Assessment Model (AQUARISK) in Surface Sediments from Wami Estuary, Tanzania

Figure 2

Fitted cumulative probability distribution of sediment concentrations of total As, Cd, Cr, Cu, Pb, and Zn (mg/kg) in the Wami Estuary using log-normal (blue) and Burr type III (red) functions. The vertical green line indicates the sediment quality guideline for each element.