S/n

LocalGovt

Location

Sites

Zn

Cu

Fe

Pb

Cd

1.

Ikorodu

Odonla

International Textile

19.58

40.20

28.91

32.58

0.27

Chikki/Holdent Industries

14.32

0.93

27.12

9.98

0.19

Odogunyan

Sunflag Group (Spintex)

41.62

5.38

21.11

44.09

0.022

AKS Steel

39.87

20.07

16.71

2.09

0.016

Losi Oba

Pz Cusson

49.21

18.21

4.82

18.10

0.019

Ijede

Egbin Thermal Station

141.06

131.70

12.90

3.12

0.20

Ibeshe

Nichemtex

46.12

34.12

1.201

59.80

0.178

2.

Ikeja

Oregun

7up Bottling Company

17.46

9.09

1.782

1.60

ND

Alausa

Clay Industries

6.23

22.08

6.04

1.12

ND

Oba Akran

Guinness Plc

12.10

31.11

1.77

2.02

1.72

3.

Alimosho

Kola

Chemstar

54.11

32.06

14.12

29.27

0.15

Standard Threshold Value

EU Threshold Value

300

130-140

NA

300

3.0

USEPA Threshold Value

300

80-200

NA

300

3.0

UK Threshold Value

100-200

63

NA

70

1.4