| Acronym | Meaning |
| BEA | Binary Encounter Approximation |
| GCCP | Global Climate Change Program |
| ROHF | Restricted Open-shell Hartree-Fock |
| CPBE | Coulomb-projected Born Approxn. With Exchange |
| NCC | Near-centerline Concn. |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| SSER | Spinless Salpeter Equation (with) Retardation |
| ADMR | Absorption Detected Magnetic Resonance |
| CFEM | Combined Fates And Effects Model |
| NARSTO | North American Research Strategy For Tropospheric Ozone |