Parameter EOMABRL
(Max. accept)
NAFDAC
(Max. accept)
USEPA
(Max. accept)
FEPA
(Max. accept)
WHO
(Max. accept)
PH 2.56* 7.0 6.5-8.5 6-9 7-9
Cadmium 0.006* 0.0 0.005 0.05 0.003
Cobalt 0.049* 0.0 - - -
Chromium 0.068* 0.0 0.1 0.05 0.005
Copper 0.341* 0.0 1.0 0.3 -
Iron 2.66* 0.0 0.3 0.05 -
Manganese 7.84* 0.0 0.05 0.05 -
Molybdenum ND - - - -
Nickel 0.048* - - - -
Lead 0.015* 0.0 0.01 0.01 0.01
Selenium ND - - - -
Zinc 1.26* 5.0 - - 5.0
Total Alkalinity 145* - 20 250 -
P04- 0.1* - - - -
Table 3: Characterization of heavy metals (chemical components) in Elewi Odo Municipal auto-battery recycling site leachate (EOMABRL).