| Acronym | Meaning |
| ASPRS | American Society Of Photogrammetry And Remote Sensing |
| HFE | Hot-feed Extrusion |
| CGI | Clinical Global Impression |
| CPAA | Charged Particle Activation Analysis |
| SEE | Standard Error Of Estimate |
| GCDIS | Global Change Data And Information System |
| SAFIR | Smoke Gas Anal. By Fourier Transform IR Spectroscopy |
| CIESE | Combined Ion Exchange-solvent Extraction |
| PSES | Pretreatment Standards For Existing Sources |
| WPB | Within Plate Basalts |