| Days |
Concentrations in ppm |
| lead (Pb) |
Selenium (Se) |
Arsenic (As) |
Cadmium (Cd) |
| 1 |
0.280 |
19.419 |
5.020 |
0.101 |
| 3 |
0.201 |
15.461 |
5.020 |
0.100 |
| 5 |
0.154 |
10.903 |
4.985 |
0.066 |
| 7 |
0.117 |
4.904 |
3.559 |
0.042 |
| 9 |
0.098 |
1.016 |
2.882 |
0.023 |
| 11 |
0.058 |
0.640 |
0.931 |
0.012 |
| 13 |
0.021 |
0.209 |
0.086 |
0.010 |
| 15 |
0.010 |
0.011 |
0.010 |
0.010 |
These values are measured in duplicates |
