| Similarity | Rank | |
|---|---|---|
| ppm | 0.880 | 23860 |
| μg | 0.822 | 43488 |
| micrograms | 0.798 | 50646 |
| contaminant | 0.759 | 45441 |
| concentrations | 0.747 | 9699 |
| 0.02 | 0.746 | 56641 |
| coliform | 0.746 | 93324 |
| Hg | 0.740 | 40070 |
| dL | 0.737 | 43381 |
| PAHs | 0.734 | 93057 |
| mmol | 0.730 | 61410 |
| 0.05 | 0.730 | 33360 |
| 0.001 | 0.729 | 48446 |
| 0.04 | 0.728 | 68641 |
| PM2 | 0.727 | 89917 |
| dioxins | 0.721 | 77636 |
| turbidity | 0.716 | 71435 |
| 0.06 | 0.714 | 81097 |
| SO2 | 0.714 | 90224 |
| toluene | 0.713 | 81758 |
| cesium | 0.711 | 91358 |
| arsenic | 0.710 | 26971 |
| phosphorus | 0.710 | 23230 |
| benzene | 0.709 | 46443 |
| 0.01 | 0.708 | 37178 |