| Acronym | Meaning |
| ECIST | Estimated Chronic In Stream Toxicity |
| AOAC | Association Of Official Analytical Chemists |
| CVG | Chemical Vapor Generation |
| PKR | Protein Kinase R |
| ANO | Average Natural Orbitals |
| ATW | Accelerator Transmutation Of Waste (for Radioactive Waste) |
| GLP | Great Lakes Precipitation |
| MSFIA | Multisyringe Flow Injection Analysispar |
| ESIC | Electrostatic Interaction Chromatography |
| LGFSTF | Liquefied Gaseous Fuels Spill Test Facility (DOE Mercury |