| Acronym | Meaning |
| PCI | Positive-ion Chemical Ionization (mass Spectrometry) |
| STE | Septic Tank Effluent |
| VHAP | Volatile Hazardous Air Pollutant |
| WDXRF | Wavelength Dispersive X-Ray Fluorescence |
| ABR | Advanced Breeder Reactor |
| GID | Grazing Incidence Diffraction |
| VOA | Volatile Organic Aromatic Compounds |
| VRM | Viscous Remanent Magnetization |
| PIN | Pesticide Information Network |
| EDGAR | Electronic Data Gathering |