| Parameter | Up Qua I. | Mid Qua I. | Down Qua I. | Bn value |
| Iron | 0.0002 | 0.0002 | 0.0002 | 47,200 |
| Zinc | 0.0007 | 0.0007 | 0.0004 | 95 |
| Manganese | 0.0001 | 0.0001 | 0.0004 | 850 |
| Cobalt | 0.532 | 0.473 | 0.401 | 18 |
| Lead | 0.024 | 0.021 | 0.021 | 20 |
| Nickel | 0.015 | 0.017 | 0.003 | 68 |
| Copper | 0.013 | 0.002 | 0.004 | 45 |
| Chromium | 0.009 | - | - | 90 |
| Cadmium | 3.437 | 3.043 | 3.417 | 90 |