Skip to main content

Table 3 Health risk assessment of pesticide residues in fishes from rivers in Edo State

From: Pesticide contaminants in Clarias gariepinus and Tilapia zilli from three rivers in Edo State, Nigeria; implications for human exposure

Pesticides

Tilapia zilli

Clarias gariepinus

 

Rfd (μg/kg/day)

Residual conc

EADI

HQ

Residual conc

EADI

HQ

alpha – BHC

8

0.62

0.08

0.01

1.50

0.19

0.02

gamma - BHC

0.3

0.44

0.06

0.19

0.67

0.09

0.29

beta – BHC

8

0.93

0.12

0.01

1.67

0.21

0.03

Heptachlor

5

0.52

0.07

0.01

0.27

0.03

0.01

Heptachlor epoxide

0.013

0.11

0.01

1.09

0.28

0.04

2.77

Aldrin

0.03

0.33

0.04

1.41

0.52

0.07

2.23

Dieldrin

0.05

0.11

0.01

0.28

0.45

0.06

1.16

Endrin

0.03

0.05

0.01

0.21

0.38

0.05

1.63

DDT

0.5

0.04

0.01

0.01

0.05

0.01

0.01

Endosulfan 1

6

0.19

0.02

0.00

0.26

0.03

0.01

Endosulfan 11

6

0.03

0.00

0.00

0.18

0.02

0.00

Endosulfan aldehyde

6

0.10

0.01

0.00

0.24

0.03

0.01

Endosulfan sulfate

6

0.10

0.01

0.00

0.23

0.03

0.00

Phosphomethylglycine

300

0.37

0.05

0.00

0.42

0.05

0.00

Atrazine

35

0.12

0.02

0.00

0.29

0.04

0.00

Carbofuran

5

0.05

0.01

0.00

0.44

0.06

0.01

  1. Rfd = (Reference Dose). HQ = Hazard quotient, EADI = Estimated Average Daily Intake. Bold figures are above the thresh hold limit.