| Acronym | Meaning |
| RESIS | Receptor Site Interaction Simulation |
| VACSY | Variable-angle Correlation Spectroscopy |
| TSS | Total Suspended Solids |
| NOEC | No Observed Effect Concentration |
| EQCM | Electrochemical Quartz Crystal Microbalance |
| ASP | Activated Sludge Plant Or Process |
| LHEA | Laboratory For High Energy Astrophysics |
| LDR | Linear Dynamic Range |
| HPTLC | High-Performance Thin-Layer Chromatography |
| SOHO | Solar And Heliosphere Observatory |