Table 1.
Summary of health risk assessment for metals in water from Benin River.
| ELEMENT | RfDingestion | RfDdermal | EDIingestion | EDI dermal | THQingestion | THQdermal |
|---|---|---|---|---|---|---|
| Mn | 0.14 | 0.96 | 1.89E-03 | 1.44E-05 | 1.35E-02 | 1.50E-05 |
| Fe | 0.3 | 140 | 4.40E-03 | 3.36E-05 | 1.47E-02 | 2.40E-07 |
| Cu | 0.04 | 8 | 6.29E-04 | 4.80E-06 | 1.57E-02 | 6.00E-07 |
| Cd | 0.001 | 0.025 | 3.14E-04 | 2.40E-06 | 3.14E-01 | 9.60E-05 |
| Ni | 0.02 | 0.42 | 1.32E-02 | 4.03E-04 | 6.60E-01 | 9.60E-04 |
| Pb | 0.004 | 60 | 5.66E-03 | 2.59E-05 | 1.41E+00 | 4.32E-07 |
| Co | 0.02 | 1.4 | 4.40E-03 | 3.36E-05 | 2.20E-01 | 2.40E-05 |
| Zn | 0.3 | 200 | 3.14E-04 | 2.40E-06 | 1.05E-03 | 1.20E-08 |
| TTHQ | 2.65E+00 | 1.10E-03 |