Heavy metals

Frogs

Fresh fish (carp and jawbones)

Mollusca

Maximum

permitted

µg/kg

Al

<5

7230

<5

-

As

<5

<5

<5

1

Cd

12.77

21.57

3.439

2

Co

<5

<5

<5

-

Cr

<5

<5

<5

1

Cu

<5

<5

<5

500

Fe

<50

<50

<50

-

Hg

<0.5

<0.5

<0.5

0.5

Mn

8.7

95.4

654

-

Ni

<5

<5

<5

30

Pb

<5

<5

<5

6

Sb

<5

<5

<5

1

Zn

7868

4562

4028

500

B

3104

1872

246.4

-

Ba

1768

706.6

796.9

-