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)
Table 2: Characterization of proximate heavy metals (Chemical components) of Municipal auto- battery Leachate (MABL).