| Acronym | Meaning |
| FEMP | Federal Energy Management Program |
| NGV | Natural Gas Vehicle |
| MIRIS | Multiple Internal Reflection IR Spectroscopy |
| EGTA | Ethylene Glycol Bis(2-aminoethyl Ether)-N |
| CAIBE | Chemically Assisted Ion Beam Etching |
| NDDO | Neglect Of Diatomic Differential Overlap |
| PAN | Peroxyacetyl Nitrate |
| SIR | Statutory Invention Registration |
| DDM | Denuder Difference Method |
| PWBA-EX | Plane-wave Born Approxn. (with) Exchange |