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| Agency | Zn | Cu | Cd | Pb | Hg | As | Se | Cr | Mn |
|---|---|---|---|---|---|---|---|---|---|
| ANVISA | 50 | 30 | 1 | 2 | 0.5 | 1 | 0.3 | 0.1 | – |
| FAO/WHO | 30 | 30 | 1 | 2 | 0.5 | – | – | – | 0.5 |
| US FDA | NA | NA | 3.7 | – | – | – | – | – | – |
| US EPA | 10–30 | 1–20 | >2 | – | – | – | – | – | – |
| MAFF | 50 | 20 | 0.2 | 2 | 0.3 | – | – | – | – |
| EC | – | – | 0.05 | 0.2 | 0.5 | – | – | – | – |
Note:
NA = Not Available.
