| Acronym | Meaning |
| ITFM | Intergovernmental Task Force On Monitoring |
| MBTH | 3-methyl-2-benzothiazolinone Hydrazone |
| ICPAC | International Committee On Polycyclic Aromatic Compounds |
| SCD | Sulfur Chemiluminescence Detector |
| MLTCS | Mesosphere-lower Thermosphere Coupling Study |
| RFWM | Resonant Four-wave Mixing |
| ATIR | Attenuated Total Reflectance Infrared |
| ICLAS | Intracavity Laser Absorption Spectroscopy |
| DRF | Direct Reaction Field (for Intermol. Interactions) |
| SOP | Standard Operating Procedure |