| Acronym | Meaning |
| CIPAC | Collaborative International Pesticides Analytical Council |
| NATO | North Atlantic Treaty Organization |
| ERPG | Emergency Response Planning Guidelines |
| CCD | Coupled-cluster Doubles |
| GSH-PX | Glutathione Peroxidase |
| UFG | Ultrafine Grained |
| TDCS | Triple Differential Cross Section |
| RCC | Relativistic Coupled Cluster |
| ICNZ | International Committee On Natural Zeolites |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |