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Sediment analysis of the Upper and Lower Delta revealed synergistic index ranges for Potential Ecological, Toxic, Nemerow, and Pollution Risk indices as follows: 4717-12807, 203-1219, 2992-6542, 28-162, 6917-24690, 800-1347, 2053-15292, and 118-158, respectively. This suggests a mixed pollution risk profile, with some areas exhibiting low risk and others moderate risk. Nature's contribution to the metals found in Upper