| in the umbilical cords of newborns | 5 | location |
| in the water | 5 | location |
| routinely | 4 | temporal |
| chemical → be found in → air | 13 |
| chemical → be found in → the air | 12 |
| chemical → be found in → our air | 9 |
| chemical → be present in → the air | 6 |
| chemical → be present in → air | 4 |
| negative | neutral | positive |
| 0.617 | 0.359 | 0.024 |
| Raw frequency | 44 |
| Normalized frequency | 0.447 |
| Modifier score | 0.700 |
| Perplexity | 37.376 |