Research Article
Polycyclic Aromatic Hydrocarbons in Soil and Vegetation of Niger Delta, Nigeria: Ecological Risk Assessment
Table 6
RQ(NCs), RQ∑PAHs(NCs), RQ(MPCs), and RQ∑PAHs(MPCs) values for PAH from different regions in the Niger Delta.
| RQ(NCs) | RQ(MPCs) | | Uyo | Choba | Khana | Yenagoa | Eleme | Trans-Amadi | | Uyo | Choba | Khana | Yenagoa | Eleme | Trans-Amadi |
| Nap | 796 | 829 | 1 | 594 | 195 | 823 | Nap | 7.96 | 8.29 | 0.01 | 5.94 | 1.95 | 8.23 | Acy | 998 | 263 | 1 | 894 | 580 | 162 | Acy | 9.98 | 2.63 | 0.01 | 8.94 | 5.80 | 1.62 | Ace | 335 | 730 | 1 | 672 | 331 | 706 | Ace | 3.35 | 7.30 | 0.01 | 6.72 | 3.31 | 7.06 | Flu | 875 | 589 | 1 | 125 | 177 | 234 | Flu | 8.75 | 5.89 | 0.01 | 1.25 | 1.77 | 2.34 | Phe | 79 | 640 | 1 | 234 | 529 | 513 | Phe | 0.79 | 6.40 | 0.01 | 2.34 | 5.29 | 5.13 | Ant | 61.7 | 56.4 | 0.1 | 0.20 | 51.9 | 23.7 | Ant | 6.17 | 0.56 | 0.001 | 0.002 | 0.52 | 0.24 | Flt | 766 | 667 | — | 288 | 364 | 772 | Flt | 7.66 | 6.67 | 28.2 | 2.88 | 3.64 | 7.72 | Pyr | 907 | 382 | 1 | 99 | 157 | 988 | Pyr | 9.07 | 3.82 | 0.01 | 0.99 | 1.57 | 9.88 | BaA | 3.19 | 8.30 | 0.01 | 3.63 | 2.45 | 2.72 | Baa | 0.03 | 0.08 | 0.00 | 0.04 | 0.03 | 0.03 | Cry | 84.9 | 14.4 | 0.1 | 16.9 | 92.2 | 3.3 | Cry | 8.49 | 0.14 | 0.00 | 0.17 | 0.92 | 0.03 | BbF | 4.02 | 4.20 | 0.01 | 7.08 | 1.30 | 9.19 | BbF | 0.04 | 0.04 | 0.00 | 0.07 | 0.01 | 0.09 | BkF | 1.19 | 2.03 | 33.7 | 9.66 | 3.92 | 1.13 | BkF | 0.01 | 0.02 | 0.34 | 0.10 | 0.04 | 0.01 | BaP | 0.01 | 0.32 | 0.15 | 0.85 | 0.83 | 0.46 | BaP | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | DahA | 0.38 | 0.57 | 0.001 | 0.64 | 0.49 | 0.88 | DahA | 0.04 | 0.01 | 0.00 | 0.06 | 0.01 | 0.01 | BghiP | 66.2 | 72.3 | 1 | 72.3 | 10.3 | 74.3 | BghiP | 0.66 | 0.73 | 0.01 | 0.72 | 0.10 | 0.74 | Ind | 68.3 | 29.9 | 1 | 6.9 | 82.5 | 10.8 | Ind | 0.68 | 0.03 | 0.01 | 0.07 | 0.83 | 0.11 | RQ∑PAHs(NCs) | 5,045.9 | 4,288.4 | 2,858.8 | 3,024.1 | 2,578.9 | 4,324.4 | RQ∑PAHs(MPCs) | 50.5 | 42.9 | 28.6 | 30.2 | 25.8 | 43.2 |
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