| Days |
Concentrations in ppm |
| lead (Pb) |
Selenium (Se) |
Arsenic (As) |
Cadmium (Cd) |
| 1 |
0.280 |
19.419 |
5.020 |
0.101 |
| 3 |
0.280 |
19.006 |
4.988 |
0.101 |
| 5 |
0.248 |
9.333 |
4.745 |
0.101 |
| 7 |
0.109 |
4.896 |
4.106 |
0.098 |
| 9 |
0.092 |
1.615 |
3.891 |
0.094 |
| 11 |
0.072 |
0.779 |
3.496 |
0.068 |
| 13 |
0.062 |
0.406 |
1.122 |
0.052 |
| 15 |
0.058 |
0.164 |
0.661 |
0.033 |
These values are measured in duplicates |
