| from concentrated animal feeding operations | 7 | location |
| from garbage | 7 | other |
| under high humidity conditions | 6 | location |
| ammonia → be → released | 30 |
| ammonia → be → emitted | 12 |
| ammonia → be released into → the atmosphere | 11 |
| ammonia → be released into → the air | 5 |
| ammonia → be released to → the atmosphere | 5 |
| ammonia → be released into → the environment | 3 |
| negative | neutral | positive |
| 0.423 | 0.517 | 0.060 |
| Raw frequency | 66 |
| Normalized frequency | 0.694 |
| Modifier score | 0.333 |
| Perplexity | 31.555 |