| Acronym | Meaning |
| AALA | American Association For Laboratory Accreditation |
| ERP | Environmental Review Process |
| ESRIN | European Space Research Institute |
| LEPECVD | Low Energy Plasma Enhanced Chemical Vapor Deposition |
| EMS | Electron Momentum Spectroscopy |
| PAS | Periodic Acid Schiff |
| PFU | Plaque-forming Units |
| PFEO | Perimeter Free Electron Orbital |
| SQC | Sediment Quality Criteria |
| PILA | Publishers International Linking Association |