| Acronym | Meaning |
| ITTFA | Iterative Target Transformation Factor Analysis |
| CDM | Clean Development Mechanism |
| CTD | Conductivity |
| AWT | Advanced Wastewater Treatment |
| HECD | Hot Electron Capture Dissociation |
| RID | Recrystn. Induced Diffusion |
| ETBE | Ethyl Tert Butyl Ether |
| SSULI | Special Sensor Ultraviolet Limb Imager |
| IIRF | Infinite Impulse Response Filter |
| AQM | Additive Quark Model |