| Acronym | Meaning |
| SPIRIT | Spatial IR Imaging Telescope |
| ICCA | International Council Of Chemical Associations |
| CPR | Chemically Perturbed Region |
| LMF | Ladle Metallurgical Facility |
| SAPS | Spherical Average Pseudopotential |
| SESAME | Second European Stratospheric Arctic And Midlatitude Experiment |
| ETD | Enhanced Trickle Down (watershed Acidification Model) |
| TCSM | Tropospheric Chemistry Systems Model |
| PFCGE | Pulsed-field Capillary Gel Electrophoresis |
| BDOC | Biodegradable Dissolved Organic Carbon |