| Similarity | Rank | |
|---|---|---|
| benzene | 0.792 | 46443 |
| hydrocarbons | 0.775 | 32458 |
| toxics | 0.759 | 88988 |
| TCE | 0.756 | 83931 |
| dioxin | 0.754 | 57731 |
| contaminant | 0.752 | 45441 |
| chlorinated | 0.750 | 53829 |
| dioxins | 0.749 | 77636 |
| PAHs | 0.744 | 93057 |
| chlorination | 0.743 | 98665 |
| VOCs | 0.743 | 56195 |
| ethanol | 0.738 | 14555 |
| hydrocarbon | 0.738 | 36213 |
| methane | 0.736 | 19799 |
| CFCs | 0.736 | 88142 |
| methanol | 0.735 | 42034 |
| particulate | 0.735 | 32316 |
| gases | 0.733 | 11662 |
| toluene | 0.732 | 81758 |
| ozone | 0.730 | 18222 |
| Ammonia | 0.730 | 78473 |
| ammonia | 0.729 | 21773 |
| pollutant | 0.723 | 41997 |
| sulfur | 0.721 | 22001 |
| methyl | 0.719 | 39129 |