Table 6 Summarized BEC, DDI and ILCR (Adult and Children) of PAHs in the food crops across the mining sites.
PAHs, mg/kg | Enyigba | Ezza South | Ikwo | Akwatakwa | Ameri Ameka | Mpume-Akwaokuko | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | Mean | Mean 500 | ||
FLU | 6.27E-03 | 3.27E-03 | 3.97E-03 | 1.57E-03 | 1.67E-03 | 7.33E-04 | 1.53E-03 | 1.53E-04 | 4.67E-03 | 1.13E-03 | 4.13E-03 | 1.67E-03 | |
BEC | 6.27E-06 | 3.27E-06 | 3.97E-06 | 1.57E-06 | 1.67E-06 | 7.33E-07 | 1.53E-06 | 1.53E-07 | 4.67E-06 | 1.13E-06 | 4.13E-06 | 1.67E-06 | |
DDI | 1.69E-04 | 8.82E-05 | 1.07E-04 | 4.23E-05 | 4.50E-05 | 1.98E-05 | 4.14E-05 | 4.14E-06 | 1.26E-04 | 3.06E-05 | 1.12E-04 | 4.50E-05 | |
ILCR adult | 6.78E-12 | 3.54E-12 | 4.29E-12 | 1.70E-12 | 1.81E-12 | 7.94E-13 | 1.66E-12 | 1.66E-13 | 5.05E-12 | 1.23E-12 | 4.49E-12 | 1.81E-12 | |
ILCR children | 3.16E-11 | 1.65E-11 | 2.00E-11 | 7.92E-12 | 8.42E-12 | 3.71E-12 | 7.75E-12 | 7.75E-13 | 2.36E-11 | 5.73E-12 | 2.10E-11 | 8.42E-12 | |
NAPH | 2.33E-03 | 0.00E + 00 | 7.33E-04 | 0.00E + 00 | 1.10E-03 | 0.00E + 00 | 2.07E-03 | 0.00E + 00 | 4.67E-04 | 0.00E + 00 | 2.43E-03 | 0.00E + 00 | |
BEC | 2.33E-06 | 0.00E + 00 | 7.33E-07 | 0.00E + 00 | 1.10E-06 | 0.00E + 00 | 2.07E-06 | 0.00E + 00 | 4.67E-07 | 0.00E + 00 | 2.43E-06 | 0.00E + 00 | |
DDI | 6.30E-05 | 0.00E + 00 | 1.98E-05 | 0.00E + 00 | 2.97E-05 | 0.00E + 00 | 5.58E-05 | 0.00E + 00 | 1.26E-05 | 0.00E + 00 | 6.57E-05 | 0.00E + 00 | |
ILCR adult | 2.53E-12 | 0.00E + 00 | 7.94E-13 | 0.00E + 00 | 1.19E-12 | 0.00E + 00 | 2.24E-12 | 0.00E + 00 | 5.05E-13 | 0.00E + 00 | 2.64E-12 | 0.00E + 00 | |
ILCR children | 1.18E-11 | 0.00E + 00 | 3.71E-12 | 0.00E + 00 | 5.56E-12 | 0.00E + 00 | 1.04E-11 | 0.00E + 00 | 2.36E-12 | 0.00E + 00 | 1.23E-11 | 0.00E + 00 | |
PHEN | 2.45E-03 | 7.33E-04 | 1.80E-02 | 1.69E-03 | 7.30E-03 | 2.93E-03 | 5.45E-03 | 4.07E-03 | 2.60E-03 | 2.27E-04 | 3.18E-03 | 0.00E + 00 | |
BEC | 2.45E-06 | 7.33E-07 | 1.80E-05 | 1.69E-06 | 7.30E-06 | 2.93E-06 | 5.45E-06 | 4.07E-06 | 2.60E-06 | 2.27E-07 | 3.18E-06 | 0.00E + 00 | |
DDI | 6.61E-05 | 1.98E-05 | 4.87E-04 | 4.57E-05 | 1.97E-04 | 7.92E-05 | 1.47E-04 | 1.10E-04 | 7.02E-05 | 6.12E-06 | 8.60E-05 | 0.00E + 00 | |
ILCR adult | 2.65E-12 | 7.94E-13 | 1.95E-11 | 1.83E-12 | 7.90E-12 | 3.18E-12 | 5.90E-12 | 4.41E-12 | 2.82E-12 | 2.45E-13 | 3.45E-12 | 0.00E + 00 | |
ILCR children | 1.24E-11 | 3.71E-12 | 9.12E-11 | 8.56E-12 | 3.69E-11 | 1.48E-11 | 2.75E-11 | 2.06E-11 | 1.31E-11 | 1.15E-12 | 1.61E-11 | 0.00E + 00 | |
ACEN | 5.33E-04 | 0.00E + 00 | 9.73E-03 | 0.00E + 00 | 5.40E-03 | 0.00E + 00 | 1.66E-03 | 0.00E + 00 | 7.33E-04 | 0.00E + 00 | 1.27E-03 | 0.00E + 00 | |
BEC | 5.33E-07 | 0.00E + 00 | 9.73E-06 | 0.00E + 00 | 5.40E-06 | 0.00E + 00 | 1.66E-06 | 0.00E + 00 | 7.33E-07 | 0.00E + 00 | 1.27E-06 | 0.00E + 00 | |
DDI | 1.44E-05 | 0.00E + 00 | 2.63E-04 | 0.00E + 00 | 1.46E-04 | 0.00E + 00 | 4.49E-05 | 0.00E + 00 | 1.98E-05 | 0.00E + 00 | 3.42E-05 | 0.00E + 00 | |
ILCR adult | 5.78E-13 | 0.00E + 00 | 1.06E-11 | 0.00E + 00 | 5.86E-12 | 0.00E + 00 | 1.80E-12 | 0.00E + 00 | 7.94E-13 | 0.00E + 00 | 1.37E-12 | 0.00E + 00 | |
ILCR children | 2.70E-12 | 0.00E + 00 | 4.92E-11 | 0.00E + 00 | 2.73E-11 | 0.00E + 00 | 8.41E-12 | 0.00E + 00 | 3.71E-12 | 0.00E + 00 | 6.40E-12 | 0.00E + 00 | |
ACENA | 4.17E-03 | 0.00E + 00 | 2.33E-03 | 0.00E + 00 | 2.13E-03 | 0.00E + 00 | 2.54E-03 | 0.00E + 00 | 2.10E-03 | 0.00E + 00 | 4.70E-03 | 0.00E + 00 | |
BEC | 4.17E-06 | 0.00E + 00 | 2.33E-06 | 0.00E + 00 | 2.13E-06 | 0.00E + 00 | 2.54E-06 | 0.00E + 00 | 2.10E-06 | 0.00E + 00 | 4.70E-06 | 0.00E + 00 | |
DDI | 1.13E-04 | 0.00E + 00 | 6.30E-05 | 0.00E + 00 | 5.76E-05 | 0.00E + 00 | 6.86E-05 | 0.00E + 00 | 5.67E-05 | 0.00E + 00 | 1.27E-04 | 0.00E + 00 | |
ILCR adult | 4.53E-12 | 0.00E + 00 | 2.53E-12 | 0.00E + 00 | 2.31E-12 | 0.00E + 00 | 2.75E-12 | 0.00E + 00 | 2.27E-12 | 0.00E + 00 | 5.09E-12 | 0.00E + 00 | |
ILCR children | 2.12E-11 | 0.00E + 00 | 1.18E-11 | 0.00E + 00 | 1.08E-11 | 0.00E + 00 | 1.28E-11 | 0.00E + 00 | 1.06E-11 | 0.00E + 00 | 2.38E-11 | 0.00E + 00 | |
FLUO | 1.53E-03 | 2.00E-03 | 1.80E-03 | 1.60E-03 | 2.77E-03 | 2.37E-03 | 1.90E-03 | 4.67E-03 | 1.87E-03 | 1.80E-03 | 1.27E-04 | 2.57E-03 | |
BEC | 1.53E-06 | 2.00E-06 | 1.80E-06 | 1.60E-06 | 2.77E-06 | 2.37E-06 | 1.90E-06 | 4.67E-06 | 1.87E-06 | 1.80E-06 | 1.27E-07 | 2.57E-06 | |
DDI | 4.14E-05 | 5.40E-05 | 4.86E-05 | 4.32E-05 | 7.47E-05 | 6.39E-05 | 5.13E-05 | 1.26E-04 | 5.04E-05 | 4.86E-05 | 3.42E-06 | 6.93E-05 | |
ILCR adult | 1.66E-12 | 2.17E-12 | 1.95E-12 | 1.73E-12 | 3.00E-12 | 2.56E-12 | 2.06E-12 | 5.05E-12 | 2.02E-12 | 1.95E-12 | 1.37E-13 | 2.78E-12 | |
ILCR children | 7.75E-12 | 1.01E-11 | 9.10E-12 | 8.09E-12 | 1.40E-11 | 1.20E-11 | 9.60E-12 | 2.36E-11 | 9.43E-12 | 9.10E-12 | 6.40E-13 | 1.30E-11 | |
BENA | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BEC | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
DDI | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR adult | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR children | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BaP | 8.33E-04 | 9.23E-04 | 1.37E-03 | 1.43E-03 | 1.30E-03 | 2.48E-03 | 1.50E-03 | 1.10E-03 | 7.00E-04 | 1.13E-03 | 1.20E-03 | 7.67E-04 | |
BEC | 8.33E-04 | 9.23E-04 | 1.37E-03 | 1.43E-03 | 1.30E-03 | 2.48E-03 | 1.50E-03 | 1.10E-03 | 7.00E-04 | 1.13E-03 | 1.20E-03 | 7.67E-04 | |
DDI | 2.25E-02 | 2.49E-02 | 3.69E-02 | 3.85E-02 | 3.51E-02 | 6.70E-02 | 4.05E-02 | 2.97E-02 | 1.89E-02 | 3.06E-02 | 3.24E-02 | 2.07E-02 | |
ILCR adult | 9.03E-10 | 9.99E-10 | 1.48E-09 | 1.54E-09 | 1.41E-09 | 2.69E-09 | 1.62E-09 | 1.19E-09 | 7.58E-10 | 1.23E-09 | 1.30E-09 | 8.30E-10 | |
ILCR children | 4.21E-09 | 4.66E-09 | 6.91E-09 | 7.21E-09 | 6.57E-09 | 1.25E-08 | 7.58E-09 | 5.56E-09 | 3.54E-09 | 5.73E-09 | 6.07E-09 | 3.88E-09 | |
Bg, h,iPE | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BEC | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
DDI | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR adult | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR children | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BkFLO | 8.20E-03 | 0.00E + 00 | 2.20E-03 | 0.00E + 00 | 2.07E-03 | 0.00E + 00 | 2.07E-03 | 0.00E + 00 | 1.23E-03 | 0.00E + 00 | 4.60E-03 | 0.00E + 00 | |
BEC | 8.20E-04 | 0.00E + 00 | 2.20E-04 | 0.00E + 00 | 2.07E-04 | 0.00E + 00 | 2.07E-04 | 0.00E + 00 | 1.23E-04 | 0.00E + 00 | 4.60E-04 | 0.00E + 00 | |
DDI | 2.21E-02 | 0.00E + 00 | 5.94E-03 | 0.00E + 00 | 5.58E-03 | 0.00E + 00 | 5.58E-03 | 0.00E + 00 | 3.33E-03 | 0.00E + 00 | 1.24E-02 | 0.00E + 00 | |
ILCR adult | 8.87E-10 | 0.00E + 00 | 2.38E-10 | 0.00E + 00 | 2.24E-10 | 0.00E + 00 | 2.24E-10 | 0.00E + 00 | 1.34E-10 | 0.00E + 00 | 4.97E-10 | 0.00E + 00 | |
ILCR children | 4.14E-09 | 0.00E + 00 | 1.11E-09 | 0.00E + 00 | 1.04E-09 | 0.00E + 00 | 1.04E-09 | 0.00E + 00 | 6.23E-10 | 0.00E + 00 | 2.32E-09 | 0.00E + 00 | |
DahANT | 2.07E-03 | 0.00E + 00 | 1.20E-03 | 0.00E + 00 | 1.39E-02 | 0.00E + 00 | 1.80E-03 | 0.00E + 00 | 5.67E-04 | 0.00E + 00 | 6.67E-04 | 0.00E + 00 | |
BEC | 2.07E-03 | 0.00E + 00 | 1.20E-03 | 0.00E + 00 | 1.39E-02 | 0.00E + 00 | 1.80E-03 | 0.00E + 00 | 5.67E-04 | 0.00E + 00 | 6.67E-04 | 0.00E + 00 | |
DDI | 5.58E-02 | 0.00E + 00 | 3.24E-02 | 0.00E + 00 | 3.74E-01 | 0.00E + 00 | 4.86E-02 | 0.00E + 00 | 1.53E-02 | 0.00E + 00 | 1.80E-02 | 0.00E + 00 | |
ILCR adult | 2.24E-09 | 0.00E + 00 | 1.30E-09 | 0.00E + 00 | 1.50E-08 | 0.00E + 00 | 1.95E-09 | 0.00E + 00 | 6.14E-10 | 0.00E + 00 | 7.22E-10 | 0.00E + 00 | |
ILCR children | 1.04E-08 | 0.00E + 00 | 6.07E-09 | 0.00E + 00 | 7.00E-08 | 0.00E + 00 | 9.10E-09 | 0.00E + 00 | 2.86E-09 | 0.00E + 00 | 3.37E-09 | 0.00E + 00 | |
PYR | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BEC | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
DDI | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR adult | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
ILCR children | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | 0.00E + 00 | |
BbFLO | 2.37E-03 | 2.61E-03 | 2.30E-03 | 1.69E-03 | 2.49E-03 | 5.67E-05 | 3.23E-03 | 1.30E-03 | 3.04E-03 | 0.00E + 00 | 9.00E-04 | 0.00E + 00 | |
BEC | 2.37E-04 | 2.61E-04 | 2.30E-04 | 1.69E-04 | 2.49E-04 | 5.67E-06 | 3.23E-04 | 1.30E-04 | 3.04E-04 | 0.00E + 00 | 9.00E-05 | 0.00E + 00 | |
DDI | 6.39E-03 | 7.05E-03 | 6.21E-03 | 4.55E-03 | 6.72E-03 | 1.53E-04 | 8.73E-03 | 3.51E-03 | 8.22E-03 | 0.00E + 00 | 2.43E-03 | 0.00E + 00 | |
ILCR adult | 2.56E-10 | 2.83E-10 | 2.49E-10 | 1.83E-10 | 2.70E-10 | 6.14E-12 | 3.50E-10 | 1.41E-10 | 3.30E-10 | 0.00E + 00 | 9.75E-11 | 0.00E + 00 | |
ILCR children | 1.2E-09 | 1.32E-09 | 1.16E-09 | 8.52E-10 | 1.26E-09 | 2.86E-11 | 1.63E-09 | 6.57E-10 | 1.54E-09 | 0.00E + 00 | 4.55E-10 | 0.00E + 00 | |
