| Typicality: | 0.516 |
| Saliency: | 0.244 |
| for check assays | 11 | purpose |
| for assay | 7 | purpose |
| for perchlorate | 2 | purpose |
| sample → be sent to → secondary laboratories | 15 |
| sample → be sent to → secondary laboratory | 3 |
| negative | neutral | positive |
| 0.077 | 0.896 | 0.027 |
| Raw frequency | 18 |
| Normalized frequency | 0.244 |
| Modifier score | 1.000 |
| Perplexity | 84.993 |