| Acronym | Meaning |
| SIGLE | System For Information On Grey Literature In Europe |
| DFM | Dynamic Force Microscopy |
| WDI | World Drug Index |
| GRCDA | Government Refuse Collection And Disposal Association |
| IEMM | Incident Energy Modulation Method |
| FRSS | Federal Register Search System |
| NTP | Normal Temperature And Pressure |
| ESDB | Endangered Species Database/Reach Scanlink |
| UAPS | Utility Acid Precipitation Study |
| PBCIMS | Particle Beam Chem. Ionization Mass Spectrometry |