| Similarity | Rank | |
|---|---|---|
| cadmium | 0.876 | 41468 |
| antimony | 0.849 | 86112 |
| dioxins | 0.847 | 77636 |
| sulfide | 0.835 | 49224 |
| benzene | 0.833 | 46443 |
| mercury | 0.827 | 12016 |
| strontium | 0.825 | 86420 |
| dioxin | 0.822 | 57731 |
| toxicity | 0.819 | 14174 |
| chromium | 0.812 | 30704 |
| fluorine | 0.812 | 79157 |
| manganese | 0.810 | 34131 |
| phosphorus | 0.809 | 23230 |
| carcinogenic | 0.807 | 37544 |
| sulfur | 0.803 | 22001 |
| contaminant | 0.801 | 45441 |
| chloride | 0.800 | 23685 |
| cyanide | 0.799 | 41824 |
| chlorinated | 0.795 | 53829 |
| nitrate | 0.791 | 24975 |
| iodine | 0.789 | 22213 |
| leaching | 0.788 | 47493 |
| ammonia | 0.787 | 21773 |
| contaminants | 0.786 | 17549 |
| PAHs | 0.785 | 93057 |