| Acronym | Meaning |
| PACT | Powdered Activated Carbon Treatment |
| TDS | Total Dissolved Solids |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| PTR | Proton Transfer Reaction |
| UQCISD | Unrestricted Quadratic Ci (with) Single (and) Double (excitations) |
| IRIS | Integrated Risk Information System |
| NCDGF | Noncalcareous Dark Grey Floodplain |
| CIDNP | Chemically Induced Dynamic Nuclear Polarization |
| PUMP | Pure (alpha-spin-state) Unrestricted Moeller-Plesset Nth-order (wave Function) |
| HANS | Heavy Aromatic Naphtha Solvent |