| Acronym | Meaning |
| MDI | Modified Dipole Interaction(model For Mol.-polarizability Calcn.) |
| CIG | Commonwealth Industrial Gases Limited (Australia) |
| NESDIS | National Environmental Satellite |
| SAS | Small Angle Scattering |
| AMWA | American Metropolitan Water Association |
| NPD | Nitrogen Phosphorus Detector (gas Chromatography) |
| EIS | Environmental Impact Statement |
| BTEM | Band Target Entropy Minimization |
| AQDHS | Air Quality Data Handling System |
| KAERI | Korea Atomic Energy Research Institute |