| Acronym | Meaning |
| ASM | Activated-sludge Model |
| LCIF | Linear Combination Of Interacting Forces |
| ELM | Emulsion Liquid Membranes |
| SC-OFMSW | Separately-collected Organic Fraction Of Municipal Solid Waste |
| VTZ | Valence Triple Zeta (basis Set) |
| RVD | Regulatory Volume Decrease |
| ISPGAA | In Situ Prompt Gamma-ray Activation Analysis |
| EMII | Enriched Mantle Component 2 (of S. R. Hart |
| EMT | Effective Mass Theory (in Electronic Wave Functions Calcn.) |
| CCSA | Const. Current Stripping Anal. |