Table 1: Heavy metal concentration of present study compared with past studies.
LF |
As |
Cd |
Zn |
Mn |
Cu |
Co |
Cr |
Ni |
Pb |
Ref |
EC |
2-4 |
1.99-2.4 |
93.4-131 |
54.6-349 |
15.1-26.2 |
2.99-4.50 |
11.6-72.5 |
17.0-23.4 |
14.6-27.9 |
PS* |
Isolo |
5-16 |
BDL-4.9 |
25-1625 |
49-1673 |
13-498 |
- |
41-125 |
- |
34-1057 |
[3] |
Rum |
- |
0.008-0.05 |
3.04-4.79 |
- |
0.98-1.9 |
- |
0.30-0.58 |
- |
0.12-0.76 |
[4] |
Ekiti |
- |
- |
4.5-120.5 |
56-1221 |
2-12.5 |
- |
40-8450 |
ND-0.03 |
7.5-65.5 |
[13] |
Abak |
- |
0.10-0.14 |
42.21-84.21 |
- |
10.35-56.26 |
- |
- |
- |
12.90-19.51 |
[14] |
WHO |
|
0.003 |
|
|
2.0 |
|
0.01 |
0.05 |
0.1 |
|
BGV |
1.8 |
0.15 |
71 |
56 |
25 |
40 |
35 |
20 |
20 |
[14] |
LF: Landfill; EC: Eagle Cement Landfill/Iwofe Landfill; Rum: Rumuepirikom Landfill; Abak: Abakaliki Landfill; PS: Present Study; WHO: World Health Organization; BGV: Background Value