| Acronym | Meaning |
| HD | Hydrogen Damage |
| NAA | Nonattainment Area |
| ASS | Argininosuccinate Synthetase |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| GRID | Global Resources Information Database |
| ECTFP | Empty-core Thomas-Fermi Pseudopotential |
| EEA | European Environment Agency |
| OSPARCOM | Oslo And Paris Commission [Environmental Regulations For The European Community] |
| MFAG | Medical First Aid Guide For Use In Accidents Involving Dangerous Goods |
| MASERATI | Middle Atmosphere Spectrometric Experiment On Rockets For Analysis Of Trace Gas Influences |