| Acronym | Meaning |
| ALMS | Atomic Line Molecular Spectroscopy |
| SSA | Spherical Sector Analysis |
| OTAG | Ozone Transport Assessment Group |
| IGBP | International Geosphere Biosphere Programme |
| SOCI | Spin-orbit Configuration Interaction |
| DWRF | Drinking Water Research Foundation |
| PWSCF | Partial-wave Self-consistent Field |
| DOP | Dissolved Organic Phosphorus |
| AQMWA | Air Quality And Waste Management Association |
| WRAQS | Western Regional Air Quality Study |