| Acronym | Meaning |
| SAS | Statistical Anal. System |
| RPJ | Radio-frequency Plasma Jet |
| EUMAC | European Modeling Of Atmospheric Constituents |
| JAIE | Japan Association Of Ion Exchange |
| ABA | Acid-base Account [related To Acid-forming Potential] |
| COSY | Correlation Spectroscopy |
| AMO MT | Alternant Molecular Orbital Matsubara-Toyozawa Method |
| CAAA | Clean Air Act Amendments (of 1990) |
| SPU | Segmented Polyurethane |
| CIRA | COSPAR International Reference Atmosphere |