| Acronym | Meaning |
| CCSA | Classical Cintrifugal-sudden Approxn. |
| CDRP | Carbon Dioxide Research Program (of US Department Of Energy) |
| PDB | Peedee Belemnite |
| LERPC | Ligand-exchange Reagent Performance Check |
| ELSD | Evaporative Light Scattering Detector |
| CART | Cloud And Radiation Testbed |
| GFAP | Glial Fibrillary Acidic Protein |
| ACBM | Asbestos Containing Building Material |
| MOSIS | Metal Oxide Semiconductor Implementation Service |
| OOA | Oxygenated Organic Aerosol |