| Acronym | Meaning |
| THGA | Transversely Heated Graphite Atomizer |
| GFA | Glass-forming Ability |
| SVI | Sludge Volume Index |
| SGO | Spherical Gaussian Orbital |
| ATLAS | Atmospheric Laboratory For Applications And Science |
| ARIC | Acid Rain Information Clearinghouse |
| BSE | Backscattering Electrons |
| GOCART | Georgia Tech/Goddard Global Ozone Chem. Aerosol Radiation And Transport Model |
| OSW | Office Of Solid Waste (US EPA) |
| IDLH | Immediately Dangerous To Life Or Health |