| Acronym | Meaning |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| DDBJ | DNA Data Bank Of Japan |
| RFA | RCRA Facility Assessment |
| RDF | Radial Distribution Function |
| TSDC | Thermally Stimulated Depolarization Currents |
| THDM | Translucent Humic Degradation Matter |
| AEC | Acceptable Effluent Concentration |
| SCFD | Supercritical Fluid Drying |
| CCTM | Coupled-channel Transition Matrix (in Atom-surface Scattering) |
| ELAS | Electro Acoustic Spectrometry |