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Table 4 Target hazard quotient (THQ) and hazard index (HI) of heavy metals in the fish tissues consumed by normal and high consumers from Bardawil Lake (* is the reference dose of each metal)

From: Impact of some heavy metal accumulation in different organs on fish quality from Bardawil Lake and human health risks assessment

Tissue

Fish Species

Heavy metals concentration µg/g (wet weight)

THQCd

THQPb

THQCu

THQZn

HI (TTHQ)

Normal Consumer

Muscles

Mugil Cephalus

0.13

0.01

0.01

0.01

0.26

Liza Auratus

0.34

0.08

0.01

0.11

0.46

Sparus Aurata

0.47

0.11

0.02

0.02

0.52

Dicentrarchus Labrax

0.11

0.32

0.01

0.02

0.63

Siganus Rivulatus

0.89

0.68

0.03

0.53

1.08

Anguilla Anguilla

0.50

0.06

0.04

0.17

0.50

Solea Solea

0.29

0.07

0.06

0.08

0.40

Liver

Mugil Cephalus

0.17

0.03

0.34

0.03

0.57

Liza Auratus

0.44

0.10

0.45

0.03

1.01

Sparus Aurata

0.42

0.19

0.23

0.05

0.89

Dicentrarchus Labrax

0.23

1.30

0.43

0.12

2.08

Siganus Rivulatus

0.08

0.21

0.04

0.03

0.36

Anguilla Anguilla

4.23

0.24

0.17

0.49

5.10

Solea Solea

0.24

0.04

0.51

0.25

1.03

Gills

Mugil Cephalus

0.24

0.13

0.00

0.02

0.27

Liza Auratus

0.35

0.24

0.01

0.02

0.70

Sparus Aurata

0.39

0.21

0.01

0.02

0.71

Dicentrarchus Labrax

0.27

0.14

0.00

0.03

0.27

Siganus Rivulatus

0.28

0.34

0.01

0.11

1.78

Anguilla Anguilla

0.32

0.10

0.01

0.11

0.81

Solea Solea

0.26

0.03

0.01

0.05

0.46

Higher Consumer

Muscles

Mugil Cephalus

0.73

0.04

0.00

0.05

0.82

Liza Auratus

1.09

0.26

0.04

0.05

1.44

Sparus Aurata

1.20

0.34

0.03

0.07

1.64

Dicentrarchus Labrax

0.84

1.00

0.01

0.10

1.95

Siganus Rivulatus

0.86

2.11

0.04

0.35

3.36

Anguilla Anguilla

0.99

0.20

0.04

0.34

1.57

Solea Solea

0.82

0.21

0.04

0.17

1.24

Liver

Mugil Cephalus

0.53

0.09

1.07

0.09

1.77

Liza Auratus

1.36

0.31

1.40

0.09

3.16

Sparus Aurata

1.30

0.58

0.73

0.17

2.78

Dicentrarchus Labrax

0.71

4.07

1.34

0.38

6.51

Gills

Siganus Rivulatus

0.26

0.66

0.12

0.10

1.14

Anguilla Anguilla

13.15

0.74

0.53

1.51

15.93

Solea Solea

0.75

0.13

1.59

0.76

3.23

Mugil Cephalus

0.41

0.39

0.02

0.04

0.85

Liza Auratus

1.05

0.75

0.04

0.34

2.18

Sparus Aurata

1.45

0.64

0.06

0.07

2.23

Dicentrarchus Labrax

0.34

0.43

0.02

0.06

0.85

Siganus Rivulatus

2.78

1.05

0.09

1.65

5.56

Anguilla Anguilla

1.55

0.32

0.13

0.53

2.54

Solea Solea

0.90

0.11

0.17

0.24

1.43

 

* TDIs (µg/day) (WHO,1989)

58.3*

105*

700*

8000–11000*

 
  1. * Toxicological limit (µg/day) (FAO/WHO, 1989)
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Geochemical Transactions

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