Table 7 Carcinogenic risk index of the PAHs across the mining sites.
Carcinogenic Risk Index | Enyigba | Ezza South | Ikwo | Akwatakwa | Ameri Ameka | Mpume-Akwaokuko | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mena | Mean 500 | |
\(\:\sum\:\varvec{D}\varvec{D}\varvec{I}\) | 1.07E-01 | 3.21E-02 | 8.24E-02 | 4.32E-02 | 4.22E-01 | 6.74E-02 | 1.04E-01 | 3.34E-02 | 4.61E-02 | 3.07E-02 | 6.57E-02 | 2.08E-02 |
\(\:\sum\:\varvec{C}\varvec{D}\varvec{D}\varvec{I}\) | 1.07E-01 | 3.20E-02 | 8.15E-02 | 4.31E-02 | 4.22E-01 | 6.72E-02 | 1.03E-01 | 3.32E-02 | 4.57E-02 | 3.06E-02 | 6.53E-02 | 2.07E-02 |
\(\:\sum\:\varvec{I}\varvec{L}\varvec{C}\varvec{R}\:Adult\) | 4.30E-09 | 1.29E-09 | 3.31E-09 | 1.73E-09 | 1.69E-08 | 2.70E-09 | 4.16E-09 | 1.34E-09 | 1.85E-09 | 1.23E-09 | 2.63E-09 | 8.35E-10 |
\(\:\sum\:\varvec{I}\varvec{L}\varvec{C}\varvec{R}\) children | 2.01E-08 | 6.01E-09 | 1.54E-08 | 8.08E-09 | 7.90E-08 | 1.26E-08 | 1.94E-08 | 6.26E-09 | 8.63E-09 | 5.74E-09 | 1.23E-08 | 3.90E-09 |
