Table 1.
The reference doses (RfDs) of potentially toxic elements via ingestion, inhalation through mouth and nose, and dermal contact and slope factors (SFinh) of Cr, Co, Ni, As, and Cd via inhalation in this study [33,34,36,37,40].
| Element | RfDing | RfDinh | RfDderm | SFinh |
|---|---|---|---|---|
| mg·kg−1·day−1 | ||||
| V | 7.00E−03 | 7.00E−03 | 7.00E−05 | |
| Cr | 5.00E−03 | 2.86E−05 | 2.50E−04 | 4.20E+01 |
| Mn | 4.70E−02 | 1.40E−05 | 2.40E−03 | |
| Co | 2.00E−02 | 5.71E−06 | 1.60E−02 | 9.80E+00 |
| Ni | 2.00E−02 | 2.06E−02 | 1.00E−03 | 8.40E−01 |
| Cu | 3.70E−02 | 4.02E−02 | 1.90E−03 | |
| Zn | 3.00E−01 | 3.00E−01 | 6.00E−02 | |
| As | 3.00E−04 | 3.00E−04 | 1.23E−04 | 1.51E+01 |
| Cd | 1.00E−03 | 1.00E−03 | 5.00E−05 | 6.30E+00 |
| Sb | 4.00E−04 | 4.00E−04 | 8.00E−06 | |
| Ba | 7.00E−02 | 1.43E−04 | 4.90E−03 | |
| Pb | 3.50E−03 | 3.52E−03 | 5.25E−04 | |