| Acronym | Meaning |
| EMPPL | Effluent Monitoring Priority Pollutants List |
| TEC | Teo Electron Counting Method (for Complexes |
| DWES | Distorted-wave Energy Sudden (for Inelastic Mol. Collisions) |
| HOC | Hydrophobic Organic Compounds |
| HEGL | High-energy Gas Laser |
| ABCM | Assembly (of) Boundary-controlled Monolayers (method For Electronic-structure Calcns.) |
| R-CNDO/1X | Relativistic Complete Neglect Of Differential Overlap (method) |
| THEL | Tactical High Energy Laser |
| SPLEEM | Spin-polarized Low-energy Electron Microscopy |
| CLIA-88 | Clinical Laboratory Improvement Amendments Of 1988 |