| Acronym | Meaning |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| ART | Advanced Recycling Technologies |
| GCSOA | Gain-clamped Semiconductor Optical Amplifier |
| HSA | Hyperspherical Adiabatic (for Resonances In Electron-atom Scattering. Energy Levels |
| SCC | Self-consistent Charge Method |
| AIS | Airborne Imaging Spectrometer |
| CWM | Center For Waste Management |
| RAGS | Risk Assessment Guidelines For Superfund Sites |
| LIMS | Laboratory Information Management System |
| BID | Brinell Indentation Diameter |