| Acronym | Meaning |
| RIHRA | Research To Improve Health Risk Assessments Program (US EPA) |
| QSTLS | Quantum Singwi-tosi-land-sjolander (theory |
| VAD | Vapor Axial Deposition |
| OCE | One-center Expansion (SCF MO Method) |
| BMMO | Best Minimal Molecular Orbital |
| GCAM | Global Change Assessment Modeling |
| IPF | Inorg. Polymer Flocculant |
| MOCED | Molecular Orbital Constrained Electron Diffraction Method |
| SCI | Super Configuration Interaction |
| BWIP | Basalt Waste Isolation Project |