| Acronym | Meaning |
| GWPC | Ground Water Protection Council |
| SOCO | Second-order Correlation Orbital |
| TNVOX | Total Nonvolatile Org. Halogen Compds. |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| EPW | Electron Plasma Wave |
| NLSLE | Nonlinear Schroedinger-Langevin Equation |
| EOSDIS | Earth Observing System Data Information System |
| SWM | Statistical Wave Function Model (for Highly Excited Vibrational Levels Of Mols.) |
| CC-LRT | Coupled-cluster(-based) Linear Response Theory |
| RNRA | Resonant Nuclear Reaction Analysis |