| Similarity | Rank | |
|---|---|---|
| asbestos | 0.648 | 19231 |
| carbon_monoxide | 0.648 | 39006 |
| arsenic | 0.636 | 26103 |
| carcinogen | 0.602 | 61516 |
| radioactivity | 0.594 | 39280 |
| contaminant | 0.592 | 17936 |
| health_hazard | 0.583 | 63475 |
| radioactive_material | 0.579 | 55020 |
| groundwater | 0.576 | 10207 |
| particulate_matter | 0.574 | 54856 |
| radionuclide | 0.573 | 60202 |
| hazardous_substance | 0.570 | 62680 |
| ground_water | 0.569 | 30977 |
| benzene | 0.567 | 50027 |
| mercury | 0.565 | 12741 |
| formaldehyde | 0.564 | 47313 |
| pollutant | 0.563 | 14162 |
| indoor_air_quality | 0.562 | 81240 |
| dioxin | 0.560 | 55824 |
| sulfur_dioxide | 0.556 | 93673 |
| ozone | 0.553 | 18722 |
| radiation_from | 0.551 | 89043 |
| toxic_chemical | 0.549 | 31858 |
| air_pollutant | 0.549 | 77087 |
| toxic_substance | 0.547 | 64101 |