Table 1: Heavy metal concentration of present study compared with past studies.

LF

As

Cd

Zn

Mn

Cu

Co

Cr

Ni

Pb

Ref

EC

2-4

1.99-2.4

93.4-131

54.6-349

15.1-26.2

2.99-4.50

11.6-72.5

17.0-23.4

14.6-27.9

PS*

Isolo

5-16

BDL-4.9

25-1625

49-1673

13-498

-

41-125

-

34-1057

[3]

Rum

-

0.008-0.05

3.04-4.79

-

0.98-1.9

-

0.30-0.58

-

0.12-0.76

[4]

Ekiti

-

-

4.5-120.5

56-1221

2-12.5

-

40-8450

ND-0.03

7.5-65.5

[13]

Abak

-

0.10-0.14

42.21-84.21

-

10.35-56.26

-

-

-

12.90-19.51

[14]

WHO

 

0.003

 

 

2.0

 

0.01

0.05

0.1

 

BGV

1.8

0.15

71

56

25

40

35

20

20

[14]

LF: Landfill; EC: Eagle Cement Landfill/Iwofe Landfill; Rum: Rumuepirikom Landfill; Abak: Abakaliki Landfill; PS: Present Study; WHO: World Health Organization; BGV: Background Value