| Acronym | Meaning |
| GRO | Gasoline-range Organics |
| ETSAP | Energy Technology Systems Analysis Program |
| FIT | Flow Injection Titration |
| POM | Particulate Organic Matter |
| ANPR | Advance Notice Of Proposed Rulemaking |
| BEBO/R | Relaxed Bond Energy-bond Order Method |
| EP | Electrostatic Precipitator |
| MP2(FC) | MP2(frozen Core) Only (outer) Valence Electrons Included In The Approximation |
| ERW | Electrical Resistance Welding |
| HGAFS | Hydride Generation Atomic Fluorescence Spectrometry |