| Acronym | Meaning |
| HRBS | High Resolution Rutherford Backscattering |
| FIRE | Flame Infrared Emission |
| IAWQ | International Association On Water Quality |
| EERL | Eastern Environmental Research Laboratory |
| UCL | Upper Confidence Limit |
| FMCW | Frequency Modulated Continuous Wave |
| OAO | Orthogonalized Atomic Orbital |
| MFVT | Mixed Flow Vectored Thrust |
| HABR | Hybrid Anaerobic Baffled Reactor (for Wastewater Treatment) |
| ZHE | Zero-headspace Extractor (used In TCLP Determinations) |