| Acronym | Meaning |
| SSNTD | Solid-state Nuclear Track Detector |
| BDH | British Drug House |
| ELF | Electron Localization Function |
| RAMS | Regional Air Monitoring System |
| SSC | Sudden Storm Commencement (magnetic Storm) |
| QVB | Quasiempirical Valence Bond (method) |
| AEROCE | Atmosphere-Ocean Chemistry Experiment |
| CEEM | Center For Energy And Environmental Management |
| ORGDL | Oak Ridge Gaseous Diffusion Lab. |
| BLTM | Branched Lagrangian Transport [model] |