re as presented in
Figure 1. The mean levels of Cu with respect to distance from the road and depth ranged from 1.43 to 18.45 μg/g
and Cd concentrations ranged from 1.05 to 16.45 μg/g;
6.54 to 35.11 μg/g Fe; 1.78 to 25.34 μg/g Pb; 1.77 to
19.34 μg/g As; 8.45 to 28.12 μg/g Mn; 20.21 to 61.56
μg/g Zn and 4.34 to 23.23 μg/g Ni. The highest concentrations of all the metals were observed at a distance of 2
meters close to the road and at depth a 4 - 6 cm, while the
lowest concentrations were detected at 60 meters away
from the road. Figure 2 present the concentrations of
some heavy with respect to depth and distances from the
road within Federal Medical Centre in Benue Metropolis.
The concentrations of Cu ranged from 1.03 to 21.34 µg/g;
0.89 to 13.23 μg/g Cd; 3.22 to 27.34 μg/g Fe; 1.11 to
17.34 μg/g Pb; 1.12 to 14.34 μg/g As; 4.23 to 22.34 μg/g
Mn; 10.34 to 63.54 μg/g Zn and 0.32 to 28.45 μg/g Ni