| Acronym | Meaning |
| FCCC | Framework Convention On Climate Change |
| HPCA | Hierarchical Principal Component Analysis |
| CASE | Coordinated Air Sea Experiment |
| USGCRP | U.S. Global Change Research Program |
| SCIC | Single-column Ion Chromatography |
| APS | Advanced Photon Source |
| CVG | Chemical Vapor Generation |
| DZHD | Double-zeta Huzinaga-Dunning (wave Functions) |
| MASS | Magic Angle Sample Spinning |
| LADD | Lowest Acceptable Daily Dose |