| Acronym | Meaning |
| JGOFS | Joint Global Ocean Flux Study |
| CRAF | Comet Rendezvous Asteroid Flyby |
| IER | Ion Exchange Resin |
| GLC | Ground Level Concentration |
| BSAF | Biota-to-sediment Accumulation Factor |
| ETGAO | Even-tempered Gaussian Atomic Orbital |
| PDECD | Pulsed Discharge Electron Capture Detector |
| CATSI | Compact Atmospheric Sounding Interferometer |
| NGWA | National Ground Water Association |
| UKAWRG | United Kingdom Acid Waters Review Group |