| Acronym | Meaning |
| PAN | Peroxyacetyl Nitrate |
| BRS | Bibliographic Retrieval Service |
| ACT | Acoustic Charge Transport |
| NEDB | National Exposure Database (HSE) |
| CF | Cystic Fibrosis |
| ISC3 | Industrial Source Complex Version 3 |
| MDR | Multidrug Resistance |
| SANO | Symmetry-adapted Natural Orbital |
| PCF | Pair Correlation Function |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |