Parameter

EOMABRL

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). (*P<0.05) against NAFDAC, USEPA, FEPA and WHO, n=3. Values are measured in part per million (ppm).