| Acronym | Meaning |
| OBD | On-board Diagnosis |
| ITFM | Intergovernmental Task Force On Monitoring |
| DCP-OES | Direct Coupled Plasma-optical Emission Spectroscopy |
| SLAC | Stanford Linear Accelerator Center |
| LAD | Left Anterior Descending |
| NWSIA | National Water Supply Improvement Association |
| ESEM | Electron Spin Echo Modulation |
| GLP | Great Lakes Precipitation |
| TAG | Trans-Atlantic Geotraverse |
| CCRSP | California Cooperative Remote Sensing Project |