| Acronym | Meaning |
| FCD | Fault Consequence Digraph |
| AQS | Air Quality Standard |
| PWRI | Public Works Research Institute (Japan) |
| HERL/MIS | Health Effects Research Laboratory Management Information System |
| AQDM | Air Quality Display Model |
| SMAI | Solvated Metal Atom Impregnation |
| PWETF | Plane-wave Electronic Translational Factor (ion-atom Collisions) |
| PTS | Pressure Tuning Spectroscopy |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| GIXR | Grazing Incidence X-ray Reflectivity |