| Time | Acid mine drainage concentration | |
| 1.539 mg/l | 0.657 mg/l | |
| 3 | 0.077 | 0.019 |
| 6 | 0.270 | 0.023 |
| 9 | 0.298 | 0.048 |
| 12 | 0.302 | 0.075 |
| 15 | 0.306 | 0.101 |
| 18 | 0.310 |
|
| 19 |
| 0.120 |
| 21 | 0.313 |
|
| 22 |
| 0.131 |
| 25 | 0.318 |
|
| 26 |
| 0.142 |