| Typicality: | 0.215 |
| Saliency: | 0.125 |
| mercury → enter → municipal wastewater treatment plants | 3 |
| mercury → enter → the wastewater systems | 3 |
| negative | neutral | positive |
| 0.516 | 0.473 | 0.011 |
| Raw frequency | 6 |
| Normalized frequency | 0.125 |
| Modifier score | 0.500 |
| Perplexity | 356.592 |