| Typicality: | 0.466 |
| Saliency: | 0.546 |
| for a long time | 12 | temporal |
| for decades | 10 | temporal |
| after formal bans | 2 | temporal |
| chemical → persist in → the environment | 51 |
| chemical → remain in → the environment | 15 |
| chemical → stay in → the environment | 11 |
| chemical → linger in → the environment | 3 |
| negative | neutral | positive |
| 0.623 | 0.342 | 0.034 |
| Raw frequency | 80 |
| Normalized frequency | 0.546 |
| Modifier score | 0.717 |
| Perplexity | 24.047 |