| Acronym | Meaning |
| RVS-SCF | Reduced Variational Space-self-consistent Field (in Quantum Calcns. On Hydrogen Bonding) |
| AHRQ | Agency For Healthcare Research And Quality |
| LTP | Leachate Treatment Plant |
| NIGA | Neutron Induced Gamma Activity |
| LIF | Leukemia Inhibitory Factor |
| IAEG | International Association Of Engineering Geology |
| CEPA | Coupled Electron Pair Approximation |
| CSITE | Consortium For Research On Enhancing Carbon Sequestration In Terrestrial Ecosystems |
| PIMS | Process Information Management System |
| CBO | Corrected Born-Oppenheimer (in Calcns. For Mol. Complexes) |