| Acronym | Meaning |
| GRF | Growth Hormone Releasing Factor |
| EQL | Estimated Quantitation Limit |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |
| COSCI | Complete Open Shell Configuration Interaction |
| IEL | Independent Electron (model In Ion-impact Ionization Calcns.) |
| PARC | Polycyclic Aromatic Ring Cleavage |
| PALMS | Particle Analysis By Laser Mass Spectrometry |
| HDC | Hydrodynamic Chromatography |
| ICPEMC | International Commission On Protection Against Environmental Mutagens And Carcinogens |
| NREL | National Renewable Energy Laboratory (formerly SERI) |