| Similarity | Rank | |
|---|---|---|
| remediation | 0.819 | 21521 |
| Mitigation | 0.817 | 46446 |
| Wastewater | 0.816 | 52649 |
| Stormwater | 0.803 | 62618 |
| Assessment | 0.790 | 8922 |
| Groundwater | 0.775 | 66053 |
| Inspections | 0.772 | 43871 |
| Abatement | 0.766 | 96085 |
| Environmental | 0.763 | 4967 |
| Disposal | 0.762 | 44203 |
| Assessments | 0.761 | 33614 |
| Pollution | 0.753 | 29306 |
| Sediment | 0.752 | 95198 |
| Sewage | 0.751 | 66452 |
| Reclamation | 0.748 | 54409 |
| Superfund | 0.745 | 64056 |
| Drainage | 0.741 | 48557 |
| Hazardous | 0.741 | 38834 |
| Sanitation | 0.741 | 43413 |
| Erosion | 0.734 | 67301 |
| Cleanup | 0.733 | 45356 |
| Evaluation | 0.733 | 13264 |
| Waste | 0.722 | 13424 |
| Landfill | 0.721 | 57827 |
| Audits | 0.720 | 58279 |