| Acronym | Meaning |
| EKMA | Empirical Kinetic Modeling Approach (in Air Pollution) |
| PIUG | Patent Information Users Group |
| BLS | Bureau Of Labor Statistics |
| ICT | Intramol. Charge Transfer |
| DAP | Diallyl Phthalate |
| PNEC | Predicted No-effect Concentration |
| LOCV | Lowest-order Constrained Variation |
| NWWA | Northwest Water Authority (UK) |
| FSA | Free And Saline Ammonia (e.g. |
| ATM | Airborne Thematic Mapper |