| Acronym | Meaning |
| MBRSPT | Many-body Rayleigh-Schroedinger Perturbation Theory |
| ERRD | Emergency And Remedial Response Division |
| HPM | Hypervirial-perturbative Method |
| ORM | Other Regulated Material (DOT) |
| SURE | Sulfate Regional Experiment |
| HRADS | High Resolution Adsorption |
| FOND PT | Finite-order Nondegenerate Perturbation Theory |
| EXGF(1) | Extended Group Function(1) (model Wave Function Accounting For Electron Correlation) |
| CIDR | Center For Inherited Diseases Research |
| IPIRDW | Independent-process (and) Isolated-resonance (approxn. Using) Distorted Waves |