| Acronym | Meaning |
| DHT | Down-hole Temperature |
| SAT | Sulfuric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| NRMS | Neutralization-reionization Mass Spectrometry |
| SXRFM | Synchrotron X-ray-fluorescence Microprobe |
| ALPS | Airborne Laser Polarization Sensor |
| CNDO/2-V | Complete Neglect Of Differential Overlap-potential Method |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| TOF | Turnover Frequency |
| TARIS | Thermal Atomization Resonance Ionization Spectrometry |
| PICT | Pollution-induced Community Tolerance |