| Similarity | Rank | |
|---|---|---|
| Waste | 0.858 | 13424 |
| landfill | 0.834 | 16597 |
| Wastewater | 0.820 | 52649 |
| Recycling | 0.803 | 19598 |
| Disposal | 0.793 | 44203 |
| Sewage | 0.786 | 66452 |
| Stormwater | 0.786 | 62618 |
| Brownfield | 0.760 | 93506 |
| Reclamation | 0.760 | 54409 |
| Groundwater | 0.757 | 66053 |
| Superfund | 0.736 | 64056 |
| Sewer | 0.729 | 44938 |
| Remediation | 0.721 | 67735 |
| incinerator | 0.718 | 60101 |
| Composting | 0.712 | 63833 |
| landfills | 0.710 | 25855 |
| Hazardous | 0.706 | 38834 |
| Redevelopment | 0.706 | 43552 |
| Sediment | 0.703 | 95198 |
| Abatement | 0.702 | 96085 |
| Sludge | 0.702 | 98368 |
| wastewater | 0.699 | 17337 |
| brownfield | 0.697 | 66903 |
| Biomass | 0.697 | 50798 |
| Coal | 0.695 | 17487 |