| Similarity | Rank | |
|---|---|---|
| soil | 0.659 | 1523 |
| industrial_waste | 0.651 | 70885 |
| contaminant | 0.647 | 17936 |
| landfill | 0.632 | 8253 |
| contaminated_water | 0.629 | 71547 |
| sediment | 0.629 | 9378 |
| hazardous_waste | 0.616 | 31432 |
| radioactive_waste | 0.614 | 60970 |
| contamination | 0.612 | 11533 |
| hazardous_substance | 0.611 | 62680 |
| topsoil | 0.608 | 51433 |
| leach | 0.605 | 58619 |
| ground_water | 0.599 | 30977 |
| pollutant | 0.597 | 14162 |
| toxic_substance | 0.596 | 64101 |
| sludge | 0.596 | 28932 |
| effluent | 0.596 | 39640 |
| organic_matter | 0.595 | 26813 |
| waste_material | 0.595 | 63275 |
| solid_waste | 0.594 | 32002 |
| toxic_waste | 0.593 | 66397 |
| groundwater | 0.592 | 10207 |
| remediation_of | 0.591 | 67409 |
| contaminated | 0.590 | 43979 |
| arsenic | 0.586 | 26103 |