| Acronym | Meaning |
| ASPEN | Assessment System For Population Exposure Nationwide |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| IIRF | Intergalactic IR Radiation Field |
| NEDB | National Exposure Database (HSE) |
| VC | Vapor Compression |
| SAC | Symmetry-adapted Cluster (expansion Method For Calcg. Wave Functions) |
| CBF | Correlated Basis Function |
| FHCP | Federal Hazard Communication Program |
| SAMOS | System For Automated Monitoring Of Org. Pollutants In Surface Water |
| RGTO | Rheotaxial Growth And Thermal Oxidation |