| from the environment | 7 | other |
| by using the best available technology | 3 | manner |
| for up to 300 years | 3 | temporal |
| waste → be → isolated | 14 |
| waste → require → isolation | 4 |
| negative | neutral | positive |
| 0.374 | 0.482 | 0.144 |
| Raw frequency | 18 |
| Normalized frequency | 0.306 |
| Modifier score | 0.500 |
| Perplexity | 373.972 |