| Acronym | Meaning |
| CEI | Committee On Environmental Improvement |
| IRF | Interferon Regulatory Factor |
| PC-TD-SCF | Perturbation-corrected Time-dependent SCF |
| DC | Blood-air Distribution Coefficient |
| EEA | Energy And Environment Analysis |
| CLS | Core Level Spectroscopy |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| IRBIC | Infrared Beam Induced Current |
| PMIRRAS | Polarization Modulation Infrared Reflection Absorption Spectroscopy |
| WHPA | Wellhead Protection Areas |