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Metal concentrations (mg/kg), dry mass and metal pollution index (MPI) in the open dump and control soil samples |
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| Element |
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|
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| Sampling Points |
Pb |
Cd |
Mn |
Zn |
Fe |
Ca |
MPI |
|
|
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| 1 |
0.03 (0.04) |
0.003 (0.004) |
7.56 (3.02) |
0.27 (0.19) |
0.77 (9.38) |
0.04 (0.09) |
0.13 (0.21) |
| 2 |
0.03 (0.02) |
0.002 (0.002) |
3.70 (0.71) |
0.19 (0.06) |
2.12 (5.74) |
0.04 (5.74) |
0.12 (0.08) |
| 3 |
0.12 (0.04) |
0.003 (0.004) |
2.61 (9.22) |
0.29 (0.08) |
15.43 (19.04) |
0.05 (0.02) |
0.24 (0.19) |
| 4 |
0.05 (0.06) |
0.004 (0.005) |
5.41 (4.87) |
0.28 (0.13) |
20.39 (17.52) |
0.17 (0.03) |
0.32 (0.21) |
| 5 |
0.10 (0.04) |
0.004 (0.003) |
5.81 (1.89) |
0.51 (0.07) |
19.39 (6.75) |
0.34 (0.05) |
0.45 (0.13) |
| Mean ± SD |
0.07 ± 0.04 (0.04 ± 0.01) |
0.003 ± 0.001 (0.004 ± 0.001) |
5.02 ± 1.92 (3.94 ± 3.33) |
0.31 ± 0.12 (0.11 ± 0.05) |
11.62 ± 9.48 (11.69 ± 6.19) |
0.12 ± 0.13 (0.04 ± 0.03) |
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Notes: SD = standard deviation; values in parentheses are for the control soil sample | |||||||
Adeniyi et al. Chemistry Central Journal 2008 2:9 doi:10.1186/1752-153X-2-9 |
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