| Type of battery leachate (MABL) |
| Parameter |
BL6 |
BL7 |
BL8 |
| PH |
3.97 |
3.38 |
1.51 |
| Cadmium |
1.333 ± 1.42 |
1.413 ± 0.06 |
1.417 ± 0.06 |
| Cobalt |
1.847 ± 0.42 |
1.857 ± 0.21 |
1.867 ± 0.06 |
| Chromium |
22.3 ± 23.39 |
30.0 ± 15.59 |
21.833 ± 4.16 |
| Copper |
2.63 ± 1.21 |
2.377 ± 1.36 |
28.4 ± 9.64 |
| Iron |
1.67 ± 0.90 |
1.777 ± 0.49 |
5.04 ± 2.34 |
| Manganese |
1.85 ± 0.17 |
1.843 ± 0.12 |
1.837 ± 0.15 |
| Molybdenum |
2.01 ± 0.44 |
2.023 ± 0.15 |
2.037 ± 0.12 |
| Nickel |
2.057 ± 2.94 |
2.23 ± 0.46 |
2.458 ± 0.49 |
| Lead |
10.813 ± 8.80 |
5.07 ± 0.89 |
7.14 ± 2.61 |
| Selenium |
1.673 ± 2.63 |
1.957 ± 0.95 |
2.25 ± 2.04 |
| Zinc |
1.8 ± 1.39 |
1.897 ± 0.15 |
2.92 ± 0.52 |
Values are significantly higher (P<0.05) against the NAFDAC, USEPA, FEPA and WHO, n=3. Values are measured in part per million (ppm) |
