| Acronym | Meaning |
| CCV | Continuing Calibration Verification |
| ASM | Advanced Scavenging Model (for Air Pollution) |
| ATM | Aerosol Trajectory Model |
| SC-SI | Semiclassical State Interaction (method For Solving Schroedinger Equation) |
| ITRI | Inhalation Toxicology Research Institute |
| NME | New Molecular Entity |
| HRAP | High Rate Algal Pond |
| PESTANV4.0 | Pesticide Analytical Model Version 4.0 |
| RASSI | Restricted Active Space State Interaction |
| SIAM | Society For Industrial And Applied Mathematics |