| Acronym | Meaning |
| HALS | Hindered-amine Light Stabilizers |
| SFG | Sum Frequency Generation Spectroscopy |
| MPR | Maximum Permissible Risk |
| ETEC | Environmental Technology & Education Center |
| CALS | Cloud And Aerosol Lidar System |
| APH | Adiabatically Adjusting |
| MSWV | Multiple Square Wave Voltammetry |
| MCP2P | Multiconfigurational Particle-particle Propagator |
| GWPC | Ground Water Protection Council |
| TCDW1 | Target Continuum Distorted-wave 1st-order (for At. Collisions) |