| Acronym | Meaning |
| AQCDS | Air Quality Criteria Documents |
| FARM | Fixed-angle Reactor Model (in Quantum Calcns. On Reactive Scattering) |
| BCP | B-cell Precursor |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| FTIR | Fourier Transform Infrared Spectroscopy |
| ADF | Annular Dark-field |
| CBF | Core-binding Factor |
| CSEPP | Chemical Stockpile Emergency Preparedness Plan |
| HKS | Hartree-Kohn-Sham (quantum Theory) |
| EP | Electrostatic Precipitator |