| Acronym | Meaning |
| HNLC | High-nutrient Low-chlorophyll |
| LEMOFS | Laser-excited Molecular Fluorescence Spectrometry |
| SCOD | Soluble Chemical Oxygen Demand |
| ISV | In Situ Vitrification |
| SCANIIR | Surface Composition Analysis By Neutral And Ion Impact Radiation |
| RITS | Radiatively Important Trace Species |
| LTDU | Land Treatment Demonstration Unit |
| PVB | Projected Valence Bond |
| MCPB | (4-(2-methyl-4-chlorophenoxy)butyric Acid |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |