Table 6.
Daily doses and non-carcinogenic risk for child residents
| Metal | Ingestion of Sediment | |||||
|---|---|---|---|---|---|---|
| Central Tendency Exposure (CTE) | Reasonable Maximum Exposure (RME) | |||||
| CADD | LADD | Hazard index | CADD | LADD | Hazard index | |
| As | 3.25E-05 | 2.78E-06 | 1.08E-01 | 1.94E-04 | 1.67E-05 | 6.48E-01 |
| Cd | 5.98E-06 | 5.13E-07 | 1.20E-02 | 3.58E-05 | 3.07E-06 | 7.16E-02 |
| Cr(VI) | 2.10E-03 | 1.80E-04 | 7.01E-01 | 1.26E-02 | 1.08E-03 | 4.20 |
| Cu | 1.57E-03 | 1.35E-04 | 4.24E-02 | 9.40E-03 | 8.05E-04 | 2.54E-01 |
| Pb | 2.86E-04 | 2.45E-05 | 7.95E-02 | 1.71E-03 | 1.47E-04 | 4.76E-01 |
| Hg | 5.02E-06 | 4.30E-07 | 1.67E-02 | 3.00E-05 | 2.58E-06 | 1.00E-01 |
| Ni | 3.69E-05 | 3.16E-06 | 1.84E-03 | 2.21E-04 | 1.89E-05 | 1.10E-02 |
| Zn | 4.16E-05 | 3.56E-06 | 1.39E-04 | 2.49E-04 | 2.13E-05 | 8.29E-04 |
| Dermal Contact with Sediment | ||||||
| As | 1.91E-06 | 1.64E-07 | 6.38E-03 | 2.33E-05 | 2.00E-06 | 7.78E-02 |
| Cd | 1.18E-08 | 1.01E-09 | 2.35E-05 | 1.43E-07 | 1.23E-08 | 2.87E-04 |
| Cr(VI) | 4.13E-05 | 3.54E-06 | 1.38E-02 | 5.04E-04 | 4.32E-05 | 1.68E-01 |
| Cu | 3.09E-05 | 2.64E-06 | 8.34E-04 | 3.76E-04 | 3.23E-05 | 1.02E-02 |
| Pb | 5.62E-06 | 4.82E-07 | 1.56E-03 | 6.85E-05 | 5.88E-06 | 1.90E-02 |
| Hg | 9.87E-07 | 8.46E-08 | 3.29E-03 | 1.20E-05 | 1.03E-06 | 4.01E-02 |
| Ni | 7.24E-07 | 6.21E-08 | 3.62E-05 | 8.83E-06 | 7.57E-07 | 4.42E-04 |
| Zn | 8.17E-07 | 7.00E-08 | 2.72E-06 | 9.96E-06 | 8.53E-07 | 3.32E-05 |