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.

SamplesNapAcyAceFluPheAntFltPyrBaACryBbFBkFBaPDahABghiPIndTotal

Uyo
Elephant grass0.250.790.850.350.360.740.570.920.850.930.400.960.890.180.250.7210.0
Maize0.140.710.780.000.530.690.150.890.280.000.810.100.830.380.430.107.69
Guinea grass0.040.600.490.940.920.270.020.870.500.610.110.890.670.600.930.488.42
Soil sample0.800.990.340.890.080.620.770.910.320.850.400.120.010.380.660.688.80

Choba
Elephant grass0.310.630.220.280.310.710.600.320.270.530.280.510.460.280.970.286.96
Maize0.540.580.040.110.450.410.410.070.690.760.010.970.360.890.140.056.51
Guinea grass0.480.230.830.500.370.980.540.640.740.120.040.860.200.470.180.167.31
Soil sample0.830.260.730.590.640.560.670.380.080.140.420.200.320.560.720.307.42

Khana
Elephant grass0.000.000.000.001.620.000.060.494.220.050.130.000.000.000.000.006.58
Maize0.000.000.000.000.000.000.740.330.910.720.000.000.000.000.000.002.70
Guinea grass1.1411.91.880.381.660.090.521.350.610.390.760.7111.10.000.000.0032.5
Soil sample0.000.000.000.000.000.002.820.000.000.000.003.360.150.000.000.006.33

Yenagoa
Elephant grass0.180.510.150.780.540.600.700.620.780.820.550.020.840.290.520.188.06
Maize0.850.650.320.790.370.280.470.920.660.500.810.760.020.910.590.849.71
Guinea grass0.320.820.680.000.340.530.240.460.080.650.950.910.480.430.180.127.17
Soil sample0.590.890.670.130.230.000.290.100.360.170.710.970.850.640.720.077.39

Eleme
Elephant grass0.140.240.280.980.740.210.890.340.430.780.780.620.040.190.850.728.22
Maize0.470.890.230.850.070.430.750.870.090.510.730.960.620.810.780.509.52
Guinea grass0.860.370.510.260.300.230.020.140.550.290.240.700.840.890.320.446.96
Soil sample0.190.580.330.180.530.520.360.160.250.920.130.390.830.490.100.836.79

Trans-Amadi
Elephant grass0.250.550.910.690.020.300.770.170.160.650.210.190.400.960.550.457.21
Maize0.650.940.610.080.470.270.740.870.080.060.460.210.420.440.060.727.07
Guinea grass0.090.630.520.160.850.110.530.740.580.850.590.690.540.670.840.028.42
Soil sample0.820.160.710.230.510.240.770.990.270.030.920.110.460.890.740.137.97