| Acronym | Meaning |
| FCP | Function Counterpoise (method For Eliminating Basis Set Superposition Error) |
| WQS | Water Quality Standard |
| SIMBA | Selective Inverse Multiple Bond Analysis |
| CDHR | Center For Devices And Radiological Health |
| SSM | Synthetic Soil Matrix (US EPA) |
| MSCE | Modified Semiclassical Exchange (aproxn. In Scattering Calcns.) |
| MIS | Management Information System (OSHA) |
| AIEMP | Ab Initio Embedding Model Potential |
| SVE | Soil Vapor Extraction |
| AGGG | Advisory Group On Greenhouse Gases |