Type of battery leachate (MABL)
Parameter BL1 BL2 BL3 BL4 BL5
PH 3.29 2.14 2.34 1.56 6.29
Cadmium 1.417 ± 0.06 1.410 ± 0.00 1.417 ± 0.06 1.427 ± 0.21 1.413 ± 0.06
Cobalt 1.847 ± 0.06 1.850 ± 0.20 1.837 ± 0.12 1.827 ± 0.32 1.837 ± 0.15
Chromium 24.1 ± 15.59 23.467 ± 25.03 29.533 ± 8.51 11.3 ± 13.53 20.433 ± 17.62
Copper 2.783 ± 2.41 3.277 ± 1.88 2.44 ± 2.63 2.437 ± 1.33 2.18 ± 1.06
Iron 1.77 ± 0.40 2.323 ± 1.01 1.76 ± 0.36 1.83 ± 1.73 1.733 ± 0.15
Manganese 1.853 ± 0.12 1.833 ± 0.12 18.57 ± 0.15 1.84 ± 0.17 1.85 ± 0.17
Molybdenum 2.017 ± 0.45 2.010 ± 0.20 2.027 ± 0.15 2.073 ± 0.92 2.0 ± 0.20
Nickel 2.277 ± 0.67 2.517 ± 0.15 2.267 ± 0.15 2.257 ± 1.25 2.193 ± 0.32
Lead 8.167 ± 2.60 9.383 ± 6.19 7.35 ± 1.93 27.9 ± 17.00 12.1 ± 3.61
Selenium 2.023 ± 0.72 2.057 ± 0.84 2.023 ± 0.55 2.233 ± 3.20 2.043 ± 0.34
Zinc 1.757 ± 0.06 2.277 ± 0.40 1.758 ± 0.06 1.757 ± 0.21 0.21 1.747 ± 0.06

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