| Acronym | Meaning |
| HHMI | Howard Hughes Medical Institute |
| SWANA | Solid Waste Association Of North America |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| SPMN | Soil Potentially Mineralizable Nitrogen |
| VLDPE | Very Low Density Polyethylene |
| USP | United States Pharmacopeia |
| MEMS | Microelectromechanical Systems |
| XPM | X-ray Photoelectron Microscopy |
| DAPC | Department Of Air Pollution Control |
| OOA | Oxygenated Organic Aerosol |