| Acronym | Meaning |
| IDAF | Interacting Distributed Approximating Function (propagator |
| DOS | Di(2-ethylhexyl) Sebacate |
| NPOX | Nonpurgeable Organic Halide |
| OSW | US Office Of Saline Water |
| APAF | Apoptosis Protease Activating Factor |
| CCAP | Center For Clean Air Policy |
| QCISD | Quadratic Configuration Interaction With Single And Double Excitation |
| CMS | Carbogenic Molecular Sieves |
| OTS | Office Of Toxic Substances (USEPA) |
| PACT | Process Automation Configuration Tool [EPRI Software] |