| Acronym | Meaning |
| PMB | Performance Measurement Baseline |
| AWF | Aging Waste Facility |
| OSTP | Office Of Science And Technology Policy |
| DNFSB | Defense Nuclear Facilities Safety Board |
| OFPS | Office Of Field Project Support |
| DEM | Digital Elevation Model |
| AQCA | Air Quality Control Act |
| FSSP | Forward Scattering Spectometer Probe |
| BCL | Battelle Columbus Laboratory |
| LST | Large Space Telescope |