| Acronym | Meaning |
| DTGF | Double-time Green Function |
| RAGS | Risk Assessment Guidelines For Superfund Sites |
| QCT | Quasiclassical Trajectory (method For Mol. Collision Calcns.) |
| PHBTD | (number)projected-hartree-bogolyubov Tamm-dancoff(quantum Method) |
| PSD | Photon Stimulated Desorption |
| PTGF | Perturbative-type Green Function |
| PFT | Pulmonary Functional Test(s) |
| SHR | Selective Hybrid Reduction |
| WTRXLPE | Water-tree Retardant Crosslinked Polyethylene [elec. Insulation] |
| RINDO | Rydberg Intermediate Neglect Of Differential Overlap |