International standards

Heavy metals in fish muscles (μg/g dry. wt.)

Cu

Fe

Cd

Reference

FAO

100

-

0.17

[21]

FAO/WHO limit

100

-

1.67

[22]

WHO

100

333.3

3.33

[13]

European community

-

-

0.17

[23]

England

66.67

-

0.67

[24]