|
| Hg | As | Pb | Cd | Zn | Cu | Cr |
January | ST | 139.4 | 90.62 | 9.9 | 731.39 | 18031.8 | 500.56 | 86.05 |
| OS | 12.12 | 27.19 | 0.94 | 14.72 | 386.5 | 15.68 | 150.82 |
April | ST | 969.7 | 193.75 | 28.1 | 1269.72 | 20283 | 779.28 | 151.5 |
| OS | 212.12 | 40.62 | 3 | 43.05 | 966.75 | 51.12 | 191.98 |
July | ST | 470.59 | 123.81 | 27.5 | 1024.33 | 10947.1 | 515.68 | 107.7 |
| OS | 156.86 | 48.86 | 4.9 | 67.7 | 724.1 | 69.70 | 263.2 |