Recommended by | Maximum Permissible level (mg/kg) | Concentration (mg/kg) Wwb* | Heavy metals | |
After washing and soaking | Zero time | |||
FAO (1992) | 30.0 | N.D*** | 6.16 | Copper (Cu) |
FAD (2001) (EOSQC, 1993) | 2.0 0.1 | N.D | N.D | Lead (Pb) |
FAO (1992) EOSQC (1993)** | 3.0 1.0 | N.D | N.D | Cadmium (Cd) |