| Acronym | Meaning |
| TIU | Technical Information Unit |
| LCPH | Localized Chemical Pseudopotential Hamiltonian |
| SARS | Severe Acute Respiratory Syndrome |
| GDNF | Glial-derived Neurotrophic Factor |
| ASP | Antisegregation Process |
| BLIP | Background-limited Infrared Photodetector |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| MAOT | Maximum Allowable Operating Temperature For Stationary Phase |
| EEGL | Emergency Exposure Guidance Levels |
| OPPTS | Office For Prevention |