| during the production of another chemical | 11 | temporal |
| during facility operations | 4 | temporal |
| infrequently | 4 | degree |
| chemical → be → produced | 166 |
| chemical → be produced in → way | 12 |
| chemical → be → generated | 11 |
| negative | neutral | positive |
| 0.287 | 0.612 | 0.102 |
| Raw frequency | 189 |
| Normalized frequency | 0.689 |
| Modifier score | 0.653 |
| Perplexity | 43.499 |