| Acronym | Meaning |
| LOGD | Limit Of Guaranteed Detection |
| EMEFS | Eulerian Model Evaluation Field Study |
| USDI | US Department Of Interior |
| SNMS | Secondary Neutral Mass Spectrometry |
| SNMS | Sputtered Neutral Mass Spectrometry |
| STOM | Scanning Tunneling Optical Microscopy |
| OIDA | Optoelectronics Industry Development Association |
| EOSDIS | Earth Observing System Data Information System |
| AGWSE | Association Of Ground Water Scientists And Engineers |
| MACSIMS | Measurement Of Atmospheric Constituents By Selective Ion Mass Spectrometry |