| Acronym | Meaning |
| EFA | Evolving Factor Analysis |
| WANG | West Australian Natural Gas |
| ZLS | Zeeman Laser Scattering |
| NAERG | North American Emergency Response Guidebook |
| VAH | Volatile Aromatic Hydrocarbon(s) |
| LSDFT | Local Spin Density Functional Theory |
| HPPM | Hole-particle Potential Model (in Mol. Excited States Calcns.) |
| ECHO | European Community Host Organization |
| ANPR | Advance Notice Of Proposed Rulemaking |
| CFAES | Carbon Furnace Atomic Emission Spectrometry |