| Acronym | Meaning |
| ECR | Eriochrome Cyanine Rpar |
| QFAA | Quartz Furnace Atomic Absorption |
| GFCM | Green-function Cellular Method |
| ACTS | Advisory Committee On Toxic Substances |
| MCMP | Modified Corrugated Morse Potential |
| CNDO SP | Complete Neglect Of Differential Overlap Spin Polarization |
| FFAR | Fuel And Fuel Additive Registration |
| RBM | Rigid Band Model |
| TMP | Turbomolecular Pump |
| GOMOS | Global Ozone Monitoring By Occultation Of Stars |