| 风险物质 | 饮用途径a mg/(kg∙d) | 皮肤途径 mg/(kg∙d) |
| As | 3 × 10−4 | 3 × 10−4 |
| Cr | 3 × 10−3 | 7.5 × 10−5 |
| Cd | 5 × 10−4 | 1.25 × 10−5 |
| Pb | 1.4 × 10−3 | 1.4 × 10−3 |
| Mn | 0.14 | 0.14 |
| B | 0.2 | 0.2 |
| NO3-N | 1.6 | 1.6 |
| NO2-N | 0.1 | 0.1 |