| Acronym | Meaning |
| CCPA | Canadian Chemical Producers Association |
| CAPA | Critical Aquifer Protection Area |
| NRD | Natural Resource Damage |
| FCPC | Full-core Plus Correlation (calcn. Method) |
| ABIH | American Board Of Industrial Hygienists |
| PBC | Primary Biliary Cirrhosis |
| TIROS | Television And IR Observation Satellite |
| ARF | ADP-ribosylation Factor |
| LLS | Linear-least Squares |
| CI-TD-HG | Configuration Interaction Time-dependent Hartree Grid |