| Acronym | Meaning |
| SQC | Sediment Quality Criteria |
| ECDIN | Environmental Chemicals Data And Information Network |
| SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |
| NRHF | Numerical Restricted Hartree-Fock |
| HWDMS | Hazardous Waste Data Management System |
| FREEON | Spin-free Orbital |
| IAHE | International Association For Hydrogen Energy |
| CMS | Complete Model Space (in Many-body Calcns.) |
| OTDR | Optical Time Domain Reflectometry |
| RAFA | Rank Annihilation Factor Analysis |