Recommended by

Maximum Permissible level (mg/kg)

Concentration (mg/kg) Wwb*

Heavy metals

FAO (1992)

EOSQC (1993)**

2.0

0.1

N.D***

Lead (Pb)

FAD (2001)

(EOSQC, 1993)

3.0

0.1

N.D

Cadmium (Cd)

FAO (1992)

30.0

2.77

Copper (Cu)