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Table 6 PERI and RI of heavy metals in Little Akaki River sediment

From: Little Akaki River sediment enrichment with heavy metals, pollution load and potential ecological risks in downstream, Central Ethiopia

Sample site code The potential ecological risk factor of single metal (Eir) RI of heavy metals
Zn Cr Cd Pb
S1 0.87 0.05 416 14.36 431.28
S2 1.58 0.68 412 10.45 424.71
S3 1.76 9.80 304 7.73 323.29
S4 1.68 1.26 292 149.10 444.04
S5 1.79 1.16 209 15.29 227.24
S6 0.98 1.09 260 93.10 355.17
S7 0.83 0.81 244 7.78 253.42
S8 2.40 3.88 404 11.57 421.85
S9 2.48 0.13 300 10.83 313.44
S10 1.25 5.48 296 9.06 311.79
Average 1.56 2.43 313.70 32.93 350.62