Potential risk factor Er | ||||
Statistics | Cu | Cr | Pb | RI |
Low water period in June (S1) | ||||
Minimum | 0.075 | 0.0036 | 0.0135 | 0.0921 |
Maximum | 0.3585 | 0.0062 | 0.0315 | 0.3962 |
Mean | 0.181 | 0.005 | 0.0243 | 0.21 |
Winter period in December (S2) | ||||
Minimum | 0.0085 | 0.0028 | 0.0025 | 0.0138 |
Maximum | 0.013 | 0.0084 | 0.0025 | 0.0239 |
Mean | 0.0105 | 0.0146 | 0.0025 | 0.0276 |