| Acronym | Meaning |
| GLOSS | Global Sea Level Observing System (of IOC) |
| BLT | Bismuth Lanthanum Titanate |
| ESD | Environmental Services Division (US EPA) |
| CHESS | Cornell High-Energy Synchrotron Source |
| EMSL | Environmental Monitoring Systems Laboratory |
| SPQC | Series Piezoelectric Quartz Crystal |
| RMAPS | Receptor Model Applied To Patterns In Space |
| DAS | Direct Absorption Spectroscopy |
| PAGIF | Polyacrylamide Gel Isoelectric Focusing |
| AU | Absorbance Units |