| Typicality: | 0.343 |
| Saliency: | 0.218 |
| during landfill operations | 4 | temporal |
| from the foam | 3 | location |
| from storage tanks | 3 | location |
| hydrogen sulfide → be → released | 6 |
| negative | neutral | positive |
| 0.444 | 0.531 | 0.026 |
| Raw frequency | 6 |
| Normalized frequency | 0.218 |
| Modifier score | 0.500 |
| Perplexity | 18.572 |