| Acronym | Meaning |
| GAMESS | General Atomic And Molecular Electronic Structure System |
| BARC | Bottom Antireflective Coating |
| ELAP | Environmental Laboratory Accreditation Program |
| ABWAG | Abwasserabgabengestres (Germany Wastewater Discharge Law Regulates Cost Per Volume) |
| PHFS | Perturbative Hartree-Fock-Slater |
| TDCS | Total Dissolved And Colloidal Solids |
| AAEM | Advanced Analytical Electron Microscope |
| AMAD | Activity Median Aerodynamic Diameter |
| AOES | Actinometry Optical Emission Spectroscopy |
| IGAC | International Global Atmospheric Chemistry |