| Acronym | Meaning |
| SODW | Second-order Distorted Wave (in Electron-atom Scattering) |
| STP | Sewage Treatment Plant |
| IWG | International Working Group |
| CFME | Carbon Fiber Microelectrode |
| ABEP | Acetate Buffer Extraction Procedure |
| BEAR | Business And Environmentalists In An Alliance For Recycling |
| IMMA | Ion Microprobe Mass Analysis |
| ESID | Environmental Statistics And Information Division |
| STOIC | Stratospheric Ozone Intercomparison Campaign |
| LMP | Laser Microprobe |