Metal | RfDing (µg/kg/day) | RfDderm (µg/kg/day) |
Cr | 3 | 0.075 |
Cu | 40 | 8 |
Fe | 700 | 140 |
Mn | 24 | 0.96 |
Pb | 1.4 | 0.42 |
Zn | 30 | 60 |