Table 5.
Estimated exposures for the general population in seaweeds from Zhejiang province.
| Element | RfDa μg/kg bw/day |
Exposure Dose μg/kg bw/day |
THQ | ||
|---|---|---|---|---|---|
| Meanb | P97.5c | Mean | P97.5 | ||
| Al | 1000 | 41.1 | 176.6 | 0.04 | 0.18 |
| Cd | 1 | 0.08 | 0.34 | 0.08 | 0.34 |
| Cr | 3 | 0.19 | 1.14 | 0.06 | 0.38 |
| Cu | 40 | 0.46 | 1.70 | 0.01 | 0.04 |
| Hg | 0.3 | 0.003 | 0.012 | 0.01 | 0.04 |
| Mn | — | 2.22 | 5.59 | — | — |
| Ni | 20 | 0.10 | 0.41 | 0.00 | 0.02 |
| Pb | 3.6 | 0.04 | 0.14 | 0.01 | 0.04 |
| Se | — | 0.06 | 0.53 | — | — |
| HId: 0.22 | HI: 1.05 | ||||
aRfD, recommended reference dose for chemicals provided by US EPA.
bThe mean levels of elements were used.
cThe P97.5 levels of elements were used.
dHI, hazard index calculated by sum of THQ; Mn and Se were not included.