| Acronym | Meaning |
| LAER | Lowest Achievable Emission Rate |
| HERL | Health Effects Research Laboratory |
| EX-MEG | Excited-mixed Exponentially Generated (wave Function) |
| SPF | Simons-Parr-Finlan (potential Function) |
| BTEM | Band Target Entropy Minimization |
| UF | Ultrafiltration (water Treatment) |
| TSA | Temperature Swing Adsorption |
| QSM | Quantum Shell Model |
| LLE | Liquid Liquid Extraction |
| TAP | Temporal Anal. Of Products |