| Acronym | Meaning |
| FACS | Fluorescence Atom-coincidence Spectroscopy |
| SMMR | Scanning Multichannel Microwave Radiometer |
| SPG | Shirasu Porous Glass |
| LTTS | Low-Temperature Thermal Separation (for Waste Soil Treatment) |
| MAGIC | Major Atmospheric Gamma Imaging Cherenkov |
| NEXAFS | Near-edge X-ray Absorption Fine Structure |
| LPED | Low-pressure Electric Discharge |
| SRT | Sludge Or Solids Retention Time |
| EDCS | Energy Distribution Curve Spectroscopy |
| ARMI | Analytical Reference Materials International |