| Acronym | Meaning |
| OPPE | Office Of Policy |
| BELLE | Biological Effects Of Low Level Exposures |
| NRRA | Nuclear Resonant Reaction Analysis |
| CMF | Continuous Microfiltration |
| SITE | Superfund Innovative Technology Evaluation |
| DXRL | Deep X-ray Lithography |
| AIMD | Ab Initio Molecular Dynamics |
| MSM | Multiple-scattering Model |
| TLDA | Total Lifetime Distribution Analysis |
| DRIFT | Diffuse Reflectance IR Fourier Transform |