| Acronym | Meaning |
| NOM | Natural Organic Matter |
| BXE | Bombardment-induced X-ray Emission |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| ERP | Environmental Review Process |
| ELF | Electron Localization Function |
| OSRD | Office Of Scientific Research And Development |
| MMMF | Man-Made Mineral Fiber |
| CS | Coupled-states (or Centrifugal Sudden) Approximation |
| DLT | Dose-limiting Toxicity |
| ASH | Air-sparged Hydrocyclone |