Research Article
Polycyclic Aromatic Hydrocarbons in Soil and Vegetation of Niger Delta, Nigeria: Ecological Risk Assessment
Table 1
Concentration of PAHs in soil and plant samples from different locations in the Niger Delta.
| Samples | Nap | Acy | Ace | Flu | Phe | Ant | Flt | Pyr | BaA | Cry | BbF | BkF | BaP | DahA | BghiP | Ind | Total |
| Uyo | Elephant grass | 0.25 | 0.79 | 0.85 | 0.35 | 0.36 | 0.74 | 0.57 | 0.92 | 0.85 | 0.93 | 0.40 | 0.96 | 0.89 | 0.18 | 0.25 | 0.72 | 10.0 | Maize | 0.14 | 0.71 | 0.78 | 0.00 | 0.53 | 0.69 | 0.15 | 0.89 | 0.28 | 0.00 | 0.81 | 0.10 | 0.83 | 0.38 | 0.43 | 0.10 | 7.69 | Guinea grass | 0.04 | 0.60 | 0.49 | 0.94 | 0.92 | 0.27 | 0.02 | 0.87 | 0.50 | 0.61 | 0.11 | 0.89 | 0.67 | 0.60 | 0.93 | 0.48 | 8.42 | Soil sample | 0.80 | 0.99 | 0.34 | 0.89 | 0.08 | 0.62 | 0.77 | 0.91 | 0.32 | 0.85 | 0.40 | 0.12 | 0.01 | 0.38 | 0.66 | 0.68 | 8.80 |
| Choba | Elephant grass | 0.31 | 0.63 | 0.22 | 0.28 | 0.31 | 0.71 | 0.60 | 0.32 | 0.27 | 0.53 | 0.28 | 0.51 | 0.46 | 0.28 | 0.97 | 0.28 | 6.96 | Maize | 0.54 | 0.58 | 0.04 | 0.11 | 0.45 | 0.41 | 0.41 | 0.07 | 0.69 | 0.76 | 0.01 | 0.97 | 0.36 | 0.89 | 0.14 | 0.05 | 6.51 | Guinea grass | 0.48 | 0.23 | 0.83 | 0.50 | 0.37 | 0.98 | 0.54 | 0.64 | 0.74 | 0.12 | 0.04 | 0.86 | 0.20 | 0.47 | 0.18 | 0.16 | 7.31 | Soil sample | 0.83 | 0.26 | 0.73 | 0.59 | 0.64 | 0.56 | 0.67 | 0.38 | 0.08 | 0.14 | 0.42 | 0.20 | 0.32 | 0.56 | 0.72 | 0.30 | 7.42 |
| Khana | Elephant grass | 0.00 | 0.00 | 0.00 | 0.00 | 1.62 | 0.00 | 0.06 | 0.49 | 4.22 | 0.05 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.58 | Maize | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.74 | 0.33 | 0.91 | 0.72 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.70 | Guinea grass | 1.14 | 11.9 | 1.88 | 0.38 | 1.66 | 0.09 | 0.52 | 1.35 | 0.61 | 0.39 | 0.76 | 0.71 | 11.1 | 0.00 | 0.00 | 0.00 | 32.5 | Soil sample | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.82 | 0.00 | 0.00 | 0.00 | 0.00 | 3.36 | 0.15 | 0.00 | 0.00 | 0.00 | 6.33 |
| Yenagoa | Elephant grass | 0.18 | 0.51 | 0.15 | 0.78 | 0.54 | 0.60 | 0.70 | 0.62 | 0.78 | 0.82 | 0.55 | 0.02 | 0.84 | 0.29 | 0.52 | 0.18 | 8.06 | Maize | 0.85 | 0.65 | 0.32 | 0.79 | 0.37 | 0.28 | 0.47 | 0.92 | 0.66 | 0.50 | 0.81 | 0.76 | 0.02 | 0.91 | 0.59 | 0.84 | 9.71 | Guinea grass | 0.32 | 0.82 | 0.68 | 0.00 | 0.34 | 0.53 | 0.24 | 0.46 | 0.08 | 0.65 | 0.95 | 0.91 | 0.48 | 0.43 | 0.18 | 0.12 | 7.17 | Soil sample | 0.59 | 0.89 | 0.67 | 0.13 | 0.23 | 0.00 | 0.29 | 0.10 | 0.36 | 0.17 | 0.71 | 0.97 | 0.85 | 0.64 | 0.72 | 0.07 | 7.39 |
| Eleme | Elephant grass | 0.14 | 0.24 | 0.28 | 0.98 | 0.74 | 0.21 | 0.89 | 0.34 | 0.43 | 0.78 | 0.78 | 0.62 | 0.04 | 0.19 | 0.85 | 0.72 | 8.22 | Maize | 0.47 | 0.89 | 0.23 | 0.85 | 0.07 | 0.43 | 0.75 | 0.87 | 0.09 | 0.51 | 0.73 | 0.96 | 0.62 | 0.81 | 0.78 | 0.50 | 9.52 | Guinea grass | 0.86 | 0.37 | 0.51 | 0.26 | 0.30 | 0.23 | 0.02 | 0.14 | 0.55 | 0.29 | 0.24 | 0.70 | 0.84 | 0.89 | 0.32 | 0.44 | 6.96 | Soil sample | 0.19 | 0.58 | 0.33 | 0.18 | 0.53 | 0.52 | 0.36 | 0.16 | 0.25 | 0.92 | 0.13 | 0.39 | 0.83 | 0.49 | 0.10 | 0.83 | 6.79 |
| Trans-Amadi | Elephant grass | 0.25 | 0.55 | 0.91 | 0.69 | 0.02 | 0.30 | 0.77 | 0.17 | 0.16 | 0.65 | 0.21 | 0.19 | 0.40 | 0.96 | 0.55 | 0.45 | 7.21 | Maize | 0.65 | 0.94 | 0.61 | 0.08 | 0.47 | 0.27 | 0.74 | 0.87 | 0.08 | 0.06 | 0.46 | 0.21 | 0.42 | 0.44 | 0.06 | 0.72 | 7.07 | Guinea grass | 0.09 | 0.63 | 0.52 | 0.16 | 0.85 | 0.11 | 0.53 | 0.74 | 0.58 | 0.85 | 0.59 | 0.69 | 0.54 | 0.67 | 0.84 | 0.02 | 8.42 | Soil sample | 0.82 | 0.16 | 0.71 | 0.23 | 0.51 | 0.24 | 0.77 | 0.99 | 0.27 | 0.03 | 0.92 | 0.11 | 0.46 | 0.89 | 0.74 | 0.13 | 7.97 |
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