Ferrous Sulfate Heavy Metal Analysis
| Heavy Metal Analysis | PPM |
| Arsenic (As) | 1 |
| Cadmium (Cd) | 2 |
| Cobalt (Co) | ND |
| Copper (Cu) | 6 |
| Lead (Pb) | 12 |
| Mercury (Hg) | ND |
| Molybdenum (Mo) | ND |
| Nickel (Ni) | 123 |
| Selenium (Se) | ND |
| Heavy Metal Analysis | PPM |
| Arsenic (As) | 1 |
| Cadmium (Cd) | 2 |
| Cobalt (Co) | ND |
| Copper (Cu) | 6 |
| Lead (Pb) | 12 |
| Mercury (Hg) | ND |
| Molybdenum (Mo) | ND |
| Nickel (Ni) | 123 |
| Selenium (Se) | ND |